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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:20:00 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:20:00 +0000 |
| commit | 8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch) | |
| tree | 4099e8021376c7d8c05bdf8503093d80e9c7bad0 /buildtools | |
| parent | Initial commit. (diff) | |
| download | samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip | |
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'buildtools')
46 files changed, 10575 insertions, 0 deletions
diff --git a/buildtools/README b/buildtools/README new file mode 100644 index 0000000..eab0382 --- /dev/null +++ b/buildtools/README @@ -0,0 +1,12 @@ +See http://code.google.com/p/waf/ for more information on waf + +You can get a svn copy of the upstream source with: + + svn checkout http://waf.googlecode.com/svn/trunk/ waf-read-only + +Samba currently uses waf 1.5, which can be found at: + + http://waf.googlecode.com/svn/branches/waf-1.5 + +To update the current copy of waf, use the update-waf.sh script in this +directory. diff --git a/buildtools/bin/waf b/buildtools/bin/waf new file mode 100755 index 0000000..0f70fa2 --- /dev/null +++ b/buildtools/bin/waf @@ -0,0 +1,166 @@ +#!/usr/bin/env python3 +# encoding: latin-1 +# Thomas Nagy, 2005-2018 +# +""" +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. The name of the author may not be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR +IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, +INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING +IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. +""" + +import os, sys, inspect + +VERSION="2.0.26" +REVISION="x" +GIT="x" +INSTALL="x" +C1='x' +C2='x' +C3='x' +cwd = os.getcwd() +join = os.path.join + +if sys.hexversion<0x206000f: + raise ImportError('Python >= 2.6 is required to create the waf file') + +WAF='waf' +def b(x): + return x +if sys.hexversion>0x300000f: + WAF='waf3' + def b(x): + return x.encode() + +def err(m): + print(('\033[91mError: %s\033[0m' % m)) + sys.exit(1) + +def unpack_wafdir(dir, src): + f = open(src,'rb') + c = 'corrupt archive (%d)' + while 1: + line = f.readline() + if not line: err('run waf-light from a folder containing waflib') + if line == b('#==>\n'): + txt = f.readline() + if not txt: err(c % 1) + if f.readline() != b('#<==\n'): err(c % 2) + break + if not txt: err(c % 3) + txt = txt[1:-1].replace(b(C1), b('\n')).replace(b(C2), b('\r')).replace(b(C3), b('\x00')) + + import shutil, tarfile + try: shutil.rmtree(dir) + except OSError: pass + try: + for x in ('Tools', 'extras'): + os.makedirs(join(dir, 'waflib', x)) + except OSError: + err("Cannot unpack waf lib into %s\nMove waf in a writable directory" % dir) + + os.chdir(dir) + tmp = 't.bz2' + t = open(tmp,'wb') + try: t.write(txt) + finally: t.close() + + try: + t = tarfile.open(tmp) + except: + try: + os.system('bunzip2 t.bz2') + t = tarfile.open('t') + tmp = 't' + except: + os.chdir(cwd) + try: shutil.rmtree(dir) + except OSError: pass + err("Waf cannot be unpacked, check that bzip2 support is present") + + try: + for x in t: t.extract(x) + finally: + t.close() + + for x in ('Tools', 'extras'): + os.chmod(join('waflib',x), 493) + + if sys.hexversion<0x300000f: + sys.path = [join(dir, 'waflib')] + sys.path + import fixpy2 + fixpy2.fixdir(dir) + + os.remove(tmp) + os.chdir(cwd) + + try: dir = unicode(dir, 'mbcs') + except: pass + try: + from ctypes import windll + windll.kernel32.SetFileAttributesW(dir, 2) + except: + pass + +def test(dir): + try: + os.stat(join(dir, 'waflib')) + return os.path.abspath(dir) + except OSError: + pass + +def find_lib(): + path = '../../third_party/waf' + paths = [path, path+'/waflib'] + return [os.path.abspath(os.path.join(os.path.dirname(__file__), x)) for x in paths] + +wafdir = find_lib() +for p in wafdir: + sys.path.insert(0, p) + +if __name__ == '__main__': + #import extras.compat15#PRELUDE + import sys + + from waflib.Tools import ccroot, c, ar, compiler_c, gcc + sys.modules['cc'] = c + sys.modules['ccroot'] = ccroot + sys.modules['ar'] = ar + sys.modules['compiler_cc'] = compiler_c + sys.modules['gcc'] = gcc + + from waflib import Options + Options.lockfile = os.environ.get('WAFLOCK', '.lock-wscript') + if os.path.isfile(Options.lockfile) and os.stat(Options.lockfile).st_size == 0: + os.environ['NOCLIMB'] = "1" + # there is a single top-level, but libraries must build independently + os.environ['NO_LOCK_IN_TOP'] = "1" + + from waflib import Task + class o(object): + display = None + Task.classes['cc_link'] = o + + from waflib import Scripting + Scripting.waf_entry_point(cwd, VERSION, wafdir[0]) diff --git a/buildtools/compare_config_h4.sh b/buildtools/compare_config_h4.sh new file mode 100755 index 0000000..fee8abf --- /dev/null +++ b/buildtools/compare_config_h4.sh @@ -0,0 +1,12 @@ +#!/bin/sh + +# compare the generated config.h from a waf build with existing samba +# build + +grep "^.define" bin/default/source4/include/config.h | sort >waf-config.h +grep "^.define" $HOME/samba_old/source4/include/config.h | sort >old-config.h + +comm -23 old-config.h waf-config.h + +#echo +#diff -u old-config.h waf-config.h diff --git a/buildtools/compare_generated.sh b/buildtools/compare_generated.sh new file mode 100755 index 0000000..e626579 --- /dev/null +++ b/buildtools/compare_generated.sh @@ -0,0 +1,49 @@ +#!/bin/sh + +# compare the generated files from a waf + +old_build=$HOME/samba_old + +gen_files=$(cd bin/default && find . -type f -name '*.[ch]') + +2>&1 + +strip_file() +{ + in_file=$1 + out_file=$2 + cat $in_file | + grep -v 'The following definitions come from' | + grep -v 'Automatically generated at' | + grep -v 'Generated from' | + sed 's|/home/tnagy/samba/source4||g' | + sed 's|/home/tnagy/samba/|../|g' | + sed 's|bin/default/source4/||g' | + sed 's|bin/default/|../|g' | + sed 's/define _____/define ___/g' | + sed 's/define __*/define _/g' | + sed 's/define _DEFAULT_/define _/g' | + sed 's/define _SOURCE4_/define ___/g' | + sed 's/define ___/define _/g' | + sed 's/ifndef ___/ifndef _/g' | + sed 's|endif /* ____|endif /* __|g' | + sed s/__DEFAULT_SOURCE4/__/ | + sed s/__DEFAULT_SOURCE4/__/ | + sed s/__DEFAULT/____/ >$out_file +} + +compare_file() +{ + f=$f + bname=$(basename $f) + t1=/tmp/$bname.old.$$ + t2=/tmp/$bname.new.$$ + strip_file $old_build/$f $t1 + strip_file bin/default/$f $t2 + diff -u -b $t1 $t2 2>&1 + rm -f $t1 $t2 +} + +for f in $gen_files; do + compare_file $f +done diff --git a/buildtools/compare_install.sh b/buildtools/compare_install.sh new file mode 100755 index 0000000..37772a4 --- /dev/null +++ b/buildtools/compare_install.sh @@ -0,0 +1,8 @@ +#!/bin/sh + +prefix1="$1" +prefix2="$2" + +(cd $prefix1 && find .) | sort >p1.txt +(cd $prefix2 && find .) | sort >p2.txt +diff -u p[12].txt diff --git a/buildtools/devel_env.sh b/buildtools/devel_env.sh new file mode 100644 index 0000000..9f87a4a --- /dev/null +++ b/buildtools/devel_env.sh @@ -0,0 +1,7 @@ +# This file can be sourced using +# +# source buildtools/devel_env.sh + +# Setup python path for lsp server +PYTHONPATH="$(pwd)/third_party/waf:$(pwd)/python:$(pwd)/bin/python:$(pwd)/selftest:${PYTHONPATH}" +export PYTHONPATH diff --git a/buildtools/examples/run_on_target.py b/buildtools/examples/run_on_target.py new file mode 100755 index 0000000..0c9ac5a --- /dev/null +++ b/buildtools/examples/run_on_target.py @@ -0,0 +1,148 @@ +#!/usr/bin/env python3 + +# +# Sample run-on-target script +# This is a script that can be used as cross-execute parameter to samba +# configuration process, running the command on a remote target for which +# the cross-compiled configure test was compiled. +# +# To use: +# ./configure \ +# --cross-compile \ +# '--cross-execute=./buildtools/example/run_on_target.py --host=<host>' +# +# A more elaborate example: +# ./configure \ +# --cross-compile \ +# '--cross-execute=./buildtools/example/run_on_target.py --host=<host> --user=<user> "--ssh=ssh -i <some key file>" --destdir=/path/to/dir' +# +# Typically this is to be used also with --cross-answers, so that the +# cross answers file gets built and further builds can be made without +# the help of a remote target. +# +# The following assumptions are made: +# 1. rsync is available on build machine and target machine +# 2. A running ssh service on target machine with password-less shell login +# 3. A directory writable by the password-less login user +# 4. The tests on the target can run and provide reliable results +# from the login account's home directory. This is significant +# for example in locking tests which +# create files in the current directory. As a workaround to this +# assumption, the TESTDIR environment variable can be set on the target +# (using ssh command line or server config) and the tests shall +# chdir to that directory. +# + +import sys +import os +import subprocess +from optparse import OptionParser + +# these are defaults, but can be overridden using command line +SSH = 'ssh' +USER = None +HOST = 'localhost' + + +def xfer_files(ssh, srcdir, host, user, targ_destdir): + """Transfer executable files to target + + Use rsync to copy the directory containing program to run + INTO a destination directory on the target. An exact copy + of the source directory is created on the target machine, + possibly deleting files on the target machine which do not + exist on the source directory. + + The idea is that the test may include files in addition to + the compiled binary, and all of those files reside alongside + the binary in a source directory. + + For example, if the test to run is /foo/bar/test and the + destination directory on the target is /tbaz, then /tbaz/bar + on the target shall be an exact copy of /foo/bar on the source, + including deletion of files inside /tbaz/bar which do not exist + on the source. + """ + + userhost = host + if user: + userhost = '%s@%s' % (user, host) + + cmd = 'rsync --verbose -rl --ignore-times --delete -e "%s" %s %s:%s/' % \ + (ssh, srcdir, userhost, targ_destdir) + p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + (out, err) = p.communicate() + if p.returncode != 0: + raise Exception('failed syncing files\n stdout:\n%s\nstderr:%s\n' + % (out, err)) + + +def exec_remote(ssh, host, user, destdir, targdir, prog, args): + """Run a test on the target + + Using password-less ssh, run the compiled binary on the target. + + An assumption is that there's no need to cd into the target dir, + same as there's no need to do it on a native build. + """ + userhost = host + if user: + userhost = '%s@%s' % (user, host) + + cmd = '%s %s %s/%s/%s' % (ssh, userhost, destdir, targdir, prog) + if args: + cmd = cmd + ' ' + ' '.join(args) + p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + (out, err) = p.communicate() + return (p.returncode, out) + + +def main(argv): + usage = "usage: %prog [options] <prog> [args]" + parser = OptionParser(usage) + + parser.add_option('--ssh', help="SSH client and additional flags", + default=SSH) + parser.add_option('--host', help="target host name or IP address", + default=HOST) + parser.add_option('--user', help="login user on target", + default=USER) + parser.add_option('--destdir', help="work directory on target", + default='~') + + (options, args) = parser.parse_args(argv) + if len(args) < 1: + parser.error("please supply test program to run") + + progpath = args[0] + + # assume that a test that was not compiled fails (e.g. getconf) + if progpath[0] != '/': + return (1, "") + + progdir = os.path.dirname(progpath) + prog = os.path.basename(progpath) + targ_progdir = os.path.basename(progdir) + + xfer_files( + options.ssh, + progdir, + options.host, + options.user, + options.destdir) + + (rc, out) = exec_remote(options.ssh, + options.host, + options.user, + options.destdir, + targ_progdir, + prog, args[1:]) + return (rc, out) + + +if __name__ == '__main__': + (rc, out) = main(sys.argv[1:]) + sys.stdout.write(out) + sys.exit(rc) diff --git a/buildtools/scripts/Makefile.waf b/buildtools/scripts/Makefile.waf new file mode 100644 index 0000000..a15a5f8 --- /dev/null +++ b/buildtools/scripts/Makefile.waf @@ -0,0 +1,72 @@ +# simple makefile wrapper to run waf + +WAF_BINARY=$(PYTHON) BUILDTOOLS/bin/waf +WAF=PYTHONHASHSEED=1 WAF_MAKE=1 $(WAF_BINARY) + +all: + $(WAF) build + +install: + $(WAF) install + +uninstall: + $(WAF) uninstall + +test: + $(WAF) test $(TEST_OPTIONS) + +help: + @echo NOTE: to run extended waf options use $(WAF_BINARY) or modify your PATH + $(WAF) --help + +testenv: + $(WAF) test --testenv $(TEST_OPTIONS) + +quicktest: + $(WAF) test --quick $(TEST_OPTIONS) + +dist: + $(WAF) dist + +distcheck: + $(WAF) distcheck + +clean: + $(WAF) clean + +distclean: + $(WAF) distclean + +reconfigure: configure + $(WAF) reconfigure + +show_waf_options: + $(WAF) --help + +# some compatibility make targets +everything: all + +testsuite: all + +check: test + +torture: all + +# this should do an install as well, once install is finished +installcheck: test + +etags: + $(WAF) etags + +ctags: + $(WAF) ctags + +bin/%:: FORCE + $(WAF) --targets=$@ +FORCE: + +configure: autogen-waf.sh BUILDTOOLS/scripts/configure.waf + ./autogen-waf.sh + +Makefile: autogen-waf.sh configure BUILDTOOLS/scripts/Makefile.waf + ./autogen-waf.sh diff --git a/buildtools/scripts/abi_gen.sh b/buildtools/scripts/abi_gen.sh new file mode 100755 index 0000000..c66a1b8 --- /dev/null +++ b/buildtools/scripts/abi_gen.sh @@ -0,0 +1,26 @@ +#!/bin/sh +# generate a set of ABI signatures from a shared library + +SHAREDLIB="$1" + +GDBSCRIPT="gdb_syms.$$" + +( + cat <<EOF +set height 0 +set width 0 +EOF + + # On older linker versions _init|_fini symbols are not hidden. + objdump --dynamic-syms "${SHAREDLIB}" | + awk '$0 !~ /.hidden/ {if ($2 == "g" && $3 ~ /D(F|O)/ && $4 ~ /(.bss|.rodata|.text)/) print $NF}' | + sort | + while read -r s; do + echo "echo $s: " + echo p "${s}" + done +) >$GDBSCRIPT + +# forcing the terminal avoids a problem on Fedora12 +TERM=none gdb -n -batch -x $GDBSCRIPT "$SHAREDLIB" </dev/null +rm -f $GDBSCRIPT diff --git a/buildtools/scripts/autogen-waf.sh b/buildtools/scripts/autogen-waf.sh new file mode 100755 index 0000000..a0ed80c --- /dev/null +++ b/buildtools/scripts/autogen-waf.sh @@ -0,0 +1,27 @@ +#!/bin/sh + +p=$(dirname $0) + +echo "Setting up for waf build" + +echo "Looking for the buildtools directory" + +d="buildtools" +while test \! -d "$p/$d"; do d="../$d"; done + +echo "Found buildtools in $p/$d" + +echo "Setting up configure" +rm -f $p/configure $p/include/config*.h* +sed "s|BUILDTOOLS|$d|g;s|BUILDPATH|$p|g" <"$p/$d/scripts/configure.waf" >$p/configure +chmod +x $p/configure + +echo "Setting up Makefile" +rm -f $p/makefile $p/Makefile +sed "s|BUILDTOOLS|$d|g" <"$p/$d/scripts/Makefile.waf" >$p/Makefile + +echo "done. Now run $p/configure or $p/configure.developer then make." +if [ $p != "." ]; then + echo "Notice: The build invoke path is not 'source4'! Use make with the parameter" + echo "-C <'source4' path>. Example: make -C source4 all" +fi diff --git a/buildtools/scripts/configure.waf b/buildtools/scripts/configure.waf new file mode 100755 index 0000000..ccb6284 --- /dev/null +++ b/buildtools/scripts/configure.waf @@ -0,0 +1,21 @@ +#!/bin/sh + +PREVPATH=$(dirname $0) + +WAF=BUILDTOOLS/bin/waf + +# using JOBS=1 gives maximum compatibility with +# systems like AIX which have broken threading in python +JOBS=1 +export JOBS + +# Make sure we don't have any library preloaded. +unset LD_PRELOAD + +# Make sure we get stable hashes +PYTHONHASHSEED=1 +export PYTHONHASHSEED + +cd BUILDPATH || exit 1 +$PYTHON $WAF configure "$@" || exit 1 +cd $PREVPATH diff --git a/buildtools/wafsamba/README b/buildtools/wafsamba/README new file mode 100644 index 0000000..1968b55 --- /dev/null +++ b/buildtools/wafsamba/README @@ -0,0 +1,8 @@ +This is a set of waf 'tools' to help make building the Samba +components easier, by having common functions in one place. This gives +us a more consistent build, and ensures that our project rules are +obeyed + + +TODO: + see http://wiki.samba.org/index.php/Waf diff --git a/buildtools/wafsamba/__init__.py b/buildtools/wafsamba/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/buildtools/wafsamba/__init__.py diff --git a/buildtools/wafsamba/configure_file.py b/buildtools/wafsamba/configure_file.py new file mode 100644 index 0000000..98a58a4 --- /dev/null +++ b/buildtools/wafsamba/configure_file.py @@ -0,0 +1,41 @@ +# handle substitution of variables in .in files + +import sys +import re +import os +from waflib import Build, Logs +from samba_utils import SUBST_VARS_RECURSIVE + +def subst_at_vars(task): + '''substiture @VAR@ style variables in a file''' + + env = task.env + s = task.inputs[0].read() + + # split on the vars + a = re.split(r'(@\w+@)', s) + out = [] + for v in a: + if re.match(r'@\w+@', v): + vname = v[1:-1] + if not vname in task.env and vname.upper() in task.env: + vname = vname.upper() + if not vname in task.env: + Logs.error("Unknown substitution %s in %s" % (v, task.name)) + sys.exit(1) + v = SUBST_VARS_RECURSIVE(task.env[vname], task.env) + out.append(v) + contents = ''.join(out) + task.outputs[0].write(contents) + return 0 + +def CONFIGURE_FILE(bld, in_file, **kwargs): + '''configure file''' + + base=os.path.basename(in_file) + t = bld.SAMBA_GENERATOR('INFILE_%s' % base, + rule = subst_at_vars, + source = in_file + '.in', + target = in_file, + vars = kwargs) +Build.BuildContext.CONFIGURE_FILE = CONFIGURE_FILE diff --git a/buildtools/wafsamba/generic_cc.py b/buildtools/wafsamba/generic_cc.py new file mode 100644 index 0000000..1352c54 --- /dev/null +++ b/buildtools/wafsamba/generic_cc.py @@ -0,0 +1,70 @@ + +# compiler definition for a generic C compiler +# based on suncc.py from waf + +import os, optparse +from waflib import Errors +from waflib.Tools import ccroot, ar +from waflib.Configure import conf + +# +# Let waflib provide useful defaults, but +# provide generic_cc as last resort fallback on +# all platforms +# +from waflib.Tools.compiler_c import c_compiler +for key in c_compiler.keys(): + c_compiler[key].append('generic_cc') + +@conf +def find_generic_cc(conf): + v = conf.env + cc = None + if v.CC: + cc = v.CC + elif 'CC' in conf.environ: + cc = conf.environ['CC'] + if not cc: + cc = conf.find_program('cc', var='CC') + if not cc: + conf.fatal('generic_cc was not found') + + try: + conf.cmd_and_log(cc + ['--version']) + except Errors.WafError: + conf.fatal('%r --version could not be executed' % cc) + + v.CC = cc + v.CC_NAME = 'generic_cc' + +@conf +def generic_cc_common_flags(conf): + v = conf.env + + v.CC_SRC_F = '' + v.CC_TGT_F = ['-c', '-o'] + v.CPPPATH_ST = '-I%s' + v.DEFINES_ST = '-D%s' + + if not v.LINK_CC: + v.LINK_CC = v.CC + + v.CCLNK_SRC_F = '' + v.CCLNK_TGT_F = ['-o'] + + v.LIB_ST = '-l%s' # template for adding libs + v.LIBPATH_ST = '-L%s' # template for adding libpaths + v.STLIB_ST = '-l%s' + v.STLIBPATH_ST = '-L%s' + + v.cprogram_PATTERN = '%s' + v.cshlib_PATTERN = 'lib%s.so' + v.cstlib_PATTERN = 'lib%s.a' + +def configure(conf): + conf.find_generic_cc() + conf.find_ar() + conf.generic_cc_common_flags() + conf.cc_load_tools() + conf.cc_add_flags() + conf.link_add_flags() diff --git a/buildtools/wafsamba/pkgconfig.py b/buildtools/wafsamba/pkgconfig.py new file mode 100644 index 0000000..417bf03 --- /dev/null +++ b/buildtools/wafsamba/pkgconfig.py @@ -0,0 +1,68 @@ +# handle substitution of variables in pc files + +import os, re, sys +from waflib import Build, Logs +from samba_utils import SUBST_VARS_RECURSIVE, TO_LIST + +def subst_at_vars(task): + '''substitute @VAR@ style variables in a file''' + + s = task.inputs[0].read() + # split on the vars + a = re.split(r'(@\w+@)', s) + out = [] + done_var = {} + back_sub = [ ('PREFIX', '${prefix}'), ('EXEC_PREFIX', '${exec_prefix}')] + for v in a: + if re.match(r'@\w+@', v): + vname = v[1:-1] + if not vname in task.env and vname.upper() in task.env: + vname = vname.upper() + if not vname in task.env: + Logs.error("Unknown substitution %s in %s" % (v, task.name)) + sys.exit(1) + v = SUBST_VARS_RECURSIVE(task.env[vname], task.env) + # now we back substitute the allowed pc vars + for (b, m) in back_sub: + s = task.env[b] + if s == v[0:len(s)]: + if not b in done_var: + # we don't want to substitute the first usage + done_var[b] = True + else: + v = m + v[len(s):] + break + out.append(v) + contents = ''.join(out) + task.outputs[0].write(contents) + return 0 + + +def PKG_CONFIG_FILES(bld, pc_files, vnum=None, extra_name=None): + '''install some pkg_config pc files''' + dest = '${PKGCONFIGDIR}' + dest = bld.EXPAND_VARIABLES(dest) + for f in TO_LIST(pc_files): + if extra_name: + target = f.split('.pc')[0] + extra_name + ".pc" + else: + target = f + base=os.path.basename(target) + t = bld.SAMBA_GENERATOR('PKGCONFIG_%s' % base, + rule=subst_at_vars, + source=f+'.in', + target=target) + bld.add_manual_dependency(bld.path.find_or_declare(f), bld.env['PREFIX'].encode('utf8')) + t.vars = [] + if t.env.RPATH_ON_INSTALL: + t.env.LIB_RPATH = t.env.RPATH_ST % t.env.LIBDIR + else: + t.env.LIB_RPATH = '' + if vnum: + t.env.PACKAGE_VERSION = vnum + for v in [ 'PREFIX', 'EXEC_PREFIX', 'LIB_RPATH' ]: + t.vars.append(t.env[v]) + bld.INSTALL_FILES(dest, target, flat=True, destname=base) +Build.BuildContext.PKG_CONFIG_FILES = PKG_CONFIG_FILES + + diff --git a/buildtools/wafsamba/samba3.py b/buildtools/wafsamba/samba3.py new file mode 100644 index 0000000..227ee27 --- /dev/null +++ b/buildtools/wafsamba/samba3.py @@ -0,0 +1,111 @@ +# a waf tool to add autoconf-like macros to the configure section +# and for SAMBA_ macros for building libraries, binaries etc + +import os +from waflib import Build +from samba_utils import TO_LIST +from samba_autoconf import library_flags + +def SAMBA3_IS_STATIC_MODULE(bld, module): + '''Check whether module is in static list''' + if module in bld.env['static_modules']: + return True + return False +Build.BuildContext.SAMBA3_IS_STATIC_MODULE = SAMBA3_IS_STATIC_MODULE + +def SAMBA3_IS_SHARED_MODULE(bld, module): + '''Check whether module is in shared list''' + if module in bld.env['shared_modules']: + return True + return False +Build.BuildContext.SAMBA3_IS_SHARED_MODULE = SAMBA3_IS_SHARED_MODULE + +def SAMBA3_IS_ENABLED_MODULE(bld, module): + '''Check whether module is in either shared or static list ''' + return SAMBA3_IS_STATIC_MODULE(bld, module) or SAMBA3_IS_SHARED_MODULE(bld, module) +Build.BuildContext.SAMBA3_IS_ENABLED_MODULE = SAMBA3_IS_ENABLED_MODULE + + + +def s3_fix_kwargs(bld, kwargs): + '''fix the build arguments for s3 build rules to include the + necessary includes, subdir and cflags options ''' + s3dir = os.path.join(bld.env.srcdir, 'source3') + s3reldir = os.path.relpath(s3dir, bld.path.abspath()) + + # the extra_includes list is relative to the source3 directory + extra_includes = [ '.', 'include', 'lib' ] + # local heimdal paths must only be included when using our embedded Heimdal + if bld.CONFIG_SET("USING_EMBEDDED_HEIMDAL"): + extra_includes += [ '../third_party/heimdal/lib/com_err', + '../third_party/heimdal/lib/base', + '../third_party/heimdal/lib/krb5', + '../third_party/heimdal/lib/gssapi/gssapi', + '../third_party/heimdal_build/include', + '../bin/default/third_party/heimdal/lib/asn1' ] + + if bld.CONFIG_SET('USING_SYSTEM_TDB'): + (tdb_includes, tdb_ldflags, tdb_cpppath) = library_flags(bld, 'tdb') + extra_includes += tdb_cpppath + else: + extra_includes += [ '../lib/tdb/include' ] + + if bld.CONFIG_SET('USING_SYSTEM_TEVENT'): + (tevent_includes, tevent_ldflags, tevent_cpppath) = library_flags(bld, 'tevent') + extra_includes += tevent_cpppath + else: + extra_includes += [ '../lib/tevent' ] + + if bld.CONFIG_SET('USING_SYSTEM_TALLOC'): + (talloc_includes, talloc_ldflags, talloc_cpppath) = library_flags(bld, 'talloc') + extra_includes += talloc_cpppath + else: + extra_includes += [ '../lib/talloc' ] + + if bld.CONFIG_SET('USING_SYSTEM_POPT'): + (popt_includes, popt_ldflags, popt_cpppath) = library_flags(bld, 'popt') + extra_includes += popt_cpppath + else: + extra_includes += [ '../lib/popt' ] + + # s3 builds assume that they will have a bunch of extra include paths + includes = [] + for d in extra_includes: + includes += [ os.path.join(s3reldir, d) ] + + # the rule may already have some includes listed + if 'includes' in kwargs: + includes += TO_LIST(kwargs['includes']) + kwargs['includes'] = includes + +# these wrappers allow for mixing of S3 and S4 build rules in the one build + +def SAMBA3_LIBRARY(bld, name, *args, **kwargs): + s3_fix_kwargs(bld, kwargs) + return bld.SAMBA_LIBRARY(name, *args, **kwargs) +Build.BuildContext.SAMBA3_LIBRARY = SAMBA3_LIBRARY + +def SAMBA3_PLUGIN(bld, name, *args, **kwargs): + s3_fix_kwargs(bld, kwargs) + return bld.SAMBA_PLUGIN(name, *args, **kwargs) +Build.BuildContext.SAMBA3_PLUGIN = SAMBA3_PLUGIN + +def SAMBA3_MODULE(bld, name, *args, **kwargs): + s3_fix_kwargs(bld, kwargs) + return bld.SAMBA_MODULE(name, *args, **kwargs) +Build.BuildContext.SAMBA3_MODULE = SAMBA3_MODULE + +def SAMBA3_SUBSYSTEM(bld, name, *args, **kwargs): + s3_fix_kwargs(bld, kwargs) + return bld.SAMBA_SUBSYSTEM(name, *args, **kwargs) +Build.BuildContext.SAMBA3_SUBSYSTEM = SAMBA3_SUBSYSTEM + +def SAMBA3_BINARY(bld, name, *args, **kwargs): + s3_fix_kwargs(bld, kwargs) + return bld.SAMBA_BINARY(name, *args, **kwargs) +Build.BuildContext.SAMBA3_BINARY = SAMBA3_BINARY + +def SAMBA3_PYTHON(bld, name, *args, **kwargs): + s3_fix_kwargs(bld, kwargs) + return bld.SAMBA_PYTHON(name, *args, **kwargs) +Build.BuildContext.SAMBA3_PYTHON = SAMBA3_PYTHON diff --git a/buildtools/wafsamba/samba_abi.py b/buildtools/wafsamba/samba_abi.py new file mode 100644 index 0000000..2d9505d --- /dev/null +++ b/buildtools/wafsamba/samba_abi.py @@ -0,0 +1,334 @@ +# functions for handling ABI checking of libraries + +import os +import sys +import re +import fnmatch + +from waflib import Options, Utils, Logs, Task, Build, Errors +from waflib.TaskGen import feature, before, after +from wafsamba import samba_utils + +# these type maps cope with platform specific names for common types +# please add new type mappings into the list below +abi_type_maps = { + '_Bool' : 'bool', + 'struct __va_list_tag *' : 'va_list' + } + +version_key = lambda x: list(map(int, x.split("."))) + +def normalise_signature(sig): + '''normalise a signature from gdb''' + sig = sig.strip() + sig = re.sub(r'^\$[0-9]+\s=\s\{(.+)\}$', r'\1', sig) + sig = re.sub(r'^\$[0-9]+\s=\s\{(.+)\}(\s0x[0-9a-f]+\s<\w+>)+$', r'\1', sig) + sig = re.sub(r'^\$[0-9]+\s=\s(0x[0-9a-f]+)\s?(<\w+>)?$', r'\1', sig) + sig = re.sub(r'0x[0-9a-f]+', '0xXXXX', sig) + sig = re.sub('", <incomplete sequence (\\\\[a-z0-9]+)>', r'\1"', sig) + + for t in abi_type_maps: + # we need to cope with non-word characters in mapped types + m = t + m = m.replace('*', r'\*') + if m[-1].isalnum() or m[-1] == '_': + m += '\\b' + if m[0].isalnum() or m[0] == '_': + m = '\\b' + m + sig = re.sub(m, abi_type_maps[t], sig) + return sig + + +def normalise_varargs(sig): + '''cope with older versions of gdb''' + sig = re.sub(r',\s\.\.\.', '', sig) + # Make sure we compare bytes and not strings + return bytes(sig, encoding='utf-8').decode('unicode_escape') + + +def parse_sigs(sigs, abi_match): + '''parse ABI signatures file''' + abi_match = samba_utils.TO_LIST(abi_match) + ret = {} + a = sigs.split('\n') + for s in a: + if s.find(':') == -1: + continue + sa = s.split(':') + if abi_match: + matched = False + negative = False + for p in abi_match: + if p[0] == '!' and fnmatch.fnmatch(sa[0], p[1:]): + negative = True + break + elif fnmatch.fnmatch(sa[0], p): + matched = True + break + if (not matched) and negative: + continue + Logs.debug("%s -> %s" % (sa[1], normalise_signature(sa[1]))) + ret[sa[0]] = normalise_signature(sa[1]) + return ret + +def save_sigs(sig_file, parsed_sigs): + '''save ABI signatures to a file''' + sigs = "".join('%s: %s\n' % (s, parsed_sigs[s]) for s in sorted(parsed_sigs.keys())) + return samba_utils.save_file(sig_file, sigs, create_dir=True) + + +def abi_check_task(self): + '''check if the ABI has changed''' + abi_gen = self.ABI_GEN + + libpath = self.inputs[0].abspath(self.env) + libname = os.path.basename(libpath) + + sigs = samba_utils.get_string(Utils.cmd_output([abi_gen, libpath])) + parsed_sigs = parse_sigs(sigs, self.ABI_MATCH) + + sig_file = self.ABI_FILE + + old_sigs = samba_utils.load_file(sig_file) + if old_sigs is None or Options.options.ABI_UPDATE: + if not save_sigs(sig_file, parsed_sigs): + raise Errors.WafError('Failed to save ABI file "%s"' % sig_file) + Logs.warn('Generated ABI signatures %s' % sig_file) + return + + parsed_old_sigs = parse_sigs(old_sigs, self.ABI_MATCH) + + # check all old sigs + got_error = False + for s in parsed_old_sigs: + if not s in parsed_sigs: + Logs.error('%s: symbol %s has been removed - please update major version\n\tsignature: %s' % ( + libname, s, parsed_old_sigs[s])) + got_error = True + elif normalise_varargs(parsed_old_sigs[s]) != normalise_varargs(parsed_sigs[s]): + Logs.error('%s: symbol %s has changed - please update major version\n\told_signature: %s\n\tnew_signature: %s' % ( + libname, s, parsed_old_sigs[s], parsed_sigs[s])) + got_error = True + + for s in parsed_sigs: + if not s in parsed_old_sigs: + Logs.error('%s: symbol %s has been added - please mark it _PRIVATE_ or update minor version\n\tsignature: %s' % ( + libname, s, parsed_sigs[s])) + got_error = True + + if got_error: + raise Errors.WafError('ABI for %s has changed - please fix library version then build with --abi-update\nSee http://wiki.samba.org/index.php/Waf#ABI_Checking for more information\nIf you have not changed any ABI, and your platform always gives this error, please configure with --abi-check-disable to skip this check' % libname) + + +t = Task.task_factory('abi_check', abi_check_task, color='BLUE', ext_in='.bin') +t.quiet = True +# allow "waf --abi-check" to force re-checking the ABI +if '--abi-check' in sys.argv: + t.always_run = True + +@after('apply_link') +@feature('abi_check') +def abi_check(self): + '''check that ABI matches saved signatures''' + env = self.bld.env + if not env.ABI_CHECK or self.abi_directory is None: + return + + # if the platform doesn't support -fvisibility=hidden then the ABI + # checks become fairly meaningless + if not env.HAVE_VISIBILITY_ATTR: + return + + topsrc = self.bld.srcnode.abspath() + abi_gen = os.path.join(topsrc, 'buildtools/scripts/abi_gen.sh') + + abi_file = "%s/%s-%s.sigs" % (self.abi_directory, self.version_libname, + self.abi_vnum) + + tsk = self.create_task('abi_check', self.link_task.outputs[0]) + tsk.ABI_FILE = abi_file + tsk.ABI_MATCH = self.abi_match + tsk.ABI_GEN = abi_gen + + +def abi_process_file(fname, version, symmap): + '''process one ABI file, adding new symbols to the symmap''' + for line in Utils.readf(fname).splitlines(): + symname = line.split(":")[0] + if not symname in symmap: + symmap[symname] = version + +def version_script_map_process_file(fname, version, abi_match): + '''process one standard version_script file, adding the symbols to the + abi_match''' + in_section = False + in_global = False + in_local = False + for _line in Utils.readf(fname).splitlines(): + line = _line.strip() + if line == "": + continue + if line.startswith("#"): + continue + if line.endswith(" {"): + in_section = True + continue + if line == "};": + assert in_section + in_section = False + in_global = False + in_local = False + continue + if not in_section: + continue + if line == "global:": + in_global = True + in_local = False + continue + if line == "local:": + in_global = False + in_local = True + continue + + symname = line.split(";")[0] + assert symname != "" + if in_local: + if symname == "*": + continue + symname = "!%s" % symname + if not symname in abi_match: + abi_match.append(symname) + +def abi_write_vscript(f, libname, current_version, versions, symmap, abi_match): + """Write a vscript file for a library in --version-script format. + + :param f: File-like object to write to + :param libname: Name of the library, uppercased + :param current_version: Current version + :param versions: Versions to consider + :param symmap: Dictionary mapping symbols -> version + :param abi_match: List of symbols considered to be public in the current + version + """ + + invmap = {} + for s in symmap: + invmap.setdefault(symmap[s], []).append(s) + + last_key = "" + versions = sorted(versions, key=version_key) + for k in versions: + symver = "%s_%s" % (libname, k) + if symver == current_version: + break + f.write("%s {\n" % symver) + if k in sorted(invmap.keys()): + f.write("\tglobal:\n") + for s in invmap.get(k, []): + f.write("\t\t%s;\n" % s) + f.write("}%s;\n\n" % last_key) + last_key = " %s" % symver + f.write("%s {\n" % current_version) + local_abi = list(filter(lambda x: x[0] == '!', abi_match)) + global_abi = list(filter(lambda x: x[0] != '!', abi_match)) + f.write("\tglobal:\n") + if len(global_abi) > 0: + for x in global_abi: + f.write("\t\t%s;\n" % x) + else: + f.write("\t\t*;\n") + # Always hide symbols that must be local if exist + local_abi.extend(["!_end", "!__bss_start", "!_edata"]) + f.write("\tlocal:\n") + for x in local_abi: + f.write("\t\t%s;\n" % x[1:]) + if global_abi != ["*"]: + if len(global_abi) > 0: + f.write("\t\t*;\n") + f.write("};\n") + + +def abi_build_vscript(task): + '''generate a vscript file for our public libraries''' + + tgt = task.outputs[0].bldpath(task.env) + + symmap = {} + versions = [] + abi_match = list(task.env.ABI_MATCH) + for f in task.inputs: + fname = f.abspath(task.env) + basename = os.path.basename(fname) + if basename.endswith(".sigs"): + version = basename[len(task.env.LIBNAME)+1:-len(".sigs")] + versions.append(version) + abi_process_file(fname, version, symmap) + continue + if basename == "version-script.map": + version_script_map_process_file(fname, task.env.VERSION, abi_match) + continue + raise Errors.WafError('Unsupported input "%s"' % fname) + if task.env.PRIVATE_LIBRARY: + # For private libraries we need to inject + # each public symbol explicitly into the + # abi match array and remove all explicit + # versioning so that each exported symbol + # is tagged with the private library tag. + for s in symmap: + abi_match.append(s) + symmap = {} + versions = [] + f = open(tgt, mode='w') + try: + abi_write_vscript(f, task.env.LIBNAME, task.env.VERSION, versions, + symmap, abi_match) + finally: + f.close() + +def VSCRIPT_MAP_PRIVATE(bld, libname, orig_vscript, version, private_vscript): + version = version.replace("-", "_").replace("+","_").upper() + t = bld.SAMBA_GENERATOR(private_vscript, + rule=abi_build_vscript, + source=orig_vscript, + group='vscripts', + target=private_vscript) + t.env.ABI_MATCH = [] + t.env.VERSION = version + t.env.LIBNAME = libname + t.env.PRIVATE_LIBRARY = True + t.vars = ['LIBNAME', 'VERSION', 'ABI_MATCH', 'PRIVATE_LIBRARY'] +Build.BuildContext.VSCRIPT_MAP_PRIVATE = VSCRIPT_MAP_PRIVATE + +def ABI_VSCRIPT(bld, libname, abi_directory, version, vscript, abi_match=None, private_library=False): + '''generate a vscript file for our public libraries''' + if abi_directory: + source = bld.path.ant_glob('%s/%s-[0-9]*.sigs' % (abi_directory, libname), flat=True) + def abi_file_key(path): + return version_key(path[:-len(".sigs")].rsplit("-")[-1]) + source = sorted(source.split(), key=abi_file_key) + else: + source = '' + + if private_library is None: + private_library = False + + libname = os.path.basename(libname) + version = os.path.basename(version) + libname = libname.replace("-", "_").replace("+","_").upper() + version = version.replace("-", "_").replace("+","_").upper() + + t = bld.SAMBA_GENERATOR(vscript, + rule=abi_build_vscript, + source=source, + group='vscripts', + target=vscript) + if abi_match is None: + abi_match = ["*"] + else: + abi_match = samba_utils.TO_LIST(abi_match) + t.env.ABI_MATCH = abi_match + t.env.VERSION = version + t.env.LIBNAME = libname + t.env.PRIVATE_LIBRARY = private_library + t.vars = ['LIBNAME', 'VERSION', 'ABI_MATCH', 'PRIVATE_LIBRARY'] +Build.BuildContext.ABI_VSCRIPT = ABI_VSCRIPT diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py new file mode 100644 index 0000000..7b383ea --- /dev/null +++ b/buildtools/wafsamba/samba_autoconf.py @@ -0,0 +1,1023 @@ +# a waf tool to add autoconf-like macros to the configure section + +import os, sys +from waflib import Build, Options, Logs, Context +from waflib.Configure import conf +from waflib.TaskGen import feature +from waflib.Tools import c_preproc as preproc +from samba_utils import TO_LIST, GET_TARGET_TYPE, SET_TARGET_TYPE, unique_list, mkdir_p + +missing_headers = set() + +#################################################### +# some autoconf like helpers, to make the transition +# to waf a bit easier for those used to autoconf +# m4 files + +@conf +def DEFINE(conf, d, v, add_to_cflags=False, quote=False): + '''define a config option''' + conf.define(d, v, quote=quote) + if add_to_cflags: + conf.env.append_value('CFLAGS', '-D%s=%s' % (d, str(v))) + +def hlist_to_string(conf, headers=None): + '''convert a headers list to a set of #include lines''' + hlist = conf.env.hlist + if headers: + hlist = hlist[:] + hlist.extend(TO_LIST(headers)) + hdrs = "\n".join('#include <%s>' % h for h in hlist) + + return hdrs + + +@conf +def COMPOUND_START(conf, msg): + '''start a compound test''' + def null_check_message_1(self,*k,**kw): + return + def null_check_message_2(self,*k,**kw): + return + + v = getattr(conf.env, 'in_compound', []) + if v != [] and v != 0: + conf.env.in_compound = v + 1 + return + conf.start_msg(msg) + conf.saved_check_message_1 = conf.start_msg + conf.start_msg = null_check_message_1 + conf.saved_check_message_2 = conf.end_msg + conf.end_msg = null_check_message_2 + conf.env.in_compound = 1 + + +@conf +def COMPOUND_END(conf, result): + '''start a compound test''' + conf.env.in_compound -= 1 + if conf.env.in_compound != 0: + return + conf.start_msg = conf.saved_check_message_1 + conf.end_msg = conf.saved_check_message_2 + p = conf.end_msg + if result is True: + p('ok') + elif not result: + p('not found', 'YELLOW') + else: + p(result) + + +@feature('nolink') +def nolink(self): + '''using the nolink type in conf.check() allows us to avoid + the link stage of a test, thus speeding it up for tests + that where linking is not needed''' + pass + + +def CHECK_HEADER(conf, h, add_headers=False, lib=None): + '''check for a header''' + if h in missing_headers and lib is None: + return False + d = h.upper().replace('/', '_') + d = d.replace('.', '_') + d = d.replace('-', '_') + d = 'HAVE_%s' % d + if CONFIG_SET(conf, d): + if add_headers: + if not h in conf.env.hlist: + conf.env.hlist.append(h) + return True + + (ccflags, ldflags, cpppath) = library_flags(conf, lib) + + hdrs = hlist_to_string(conf, headers=h) + if lib is None: + lib = "" + ret = conf.check(fragment='%s\nint main(void) { return 0; }\n' % hdrs, + type='nolink', + execute=0, + cflags=ccflags, + mandatory=False, + includes=cpppath, + uselib=lib.upper(), + msg="Checking for header %s" % h) + if not ret: + missing_headers.add(h) + return False + + conf.DEFINE(d, 1) + if add_headers and not h in conf.env.hlist: + conf.env.hlist.append(h) + return ret + + +@conf +def CHECK_HEADERS(conf, headers, add_headers=False, together=False, lib=None): + '''check for a list of headers + + when together==True, then the headers accumulate within this test. + This is useful for interdependent headers + ''' + ret = True + if not add_headers and together: + saved_hlist = conf.env.hlist[:] + set_add_headers = True + else: + set_add_headers = add_headers + for hdr in TO_LIST(headers): + if not CHECK_HEADER(conf, hdr, set_add_headers, lib=lib): + ret = False + if not add_headers and together: + conf.env.hlist = saved_hlist + return ret + + +def header_list(conf, headers=None, lib=None): + '''form a list of headers which exist, as a string''' + hlist=[] + if headers is not None: + for h in TO_LIST(headers): + if CHECK_HEADER(conf, h, add_headers=False, lib=lib): + hlist.append(h) + return hlist_to_string(conf, headers=hlist) + + +@conf +def CHECK_TYPE(conf, t, alternate=None, headers=None, define=None, lib=None, msg=None, cflags=''): + '''check for a single type''' + if define is None: + define = 'HAVE_' + t.upper().replace(' ', '_') + if msg is None: + msg='Checking for %s' % t + ret = CHECK_CODE(conf, '%s _x' % t, + define, + execute=False, + headers=headers, + local_include=False, + msg=msg, + cflags=cflags, + lib=lib, + link=False) + if not ret and alternate: + conf.DEFINE(t, alternate) + return ret + + +@conf +def CHECK_TYPES(conf, list, headers=None, define=None, alternate=None, lib=None): + '''check for a list of types''' + ret = True + for t in TO_LIST(list): + if not CHECK_TYPE(conf, t, headers=headers, + define=define, alternate=alternate, lib=lib): + ret = False + return ret + + +@conf +def CHECK_TYPE_IN(conf, t, headers=None, alternate=None, define=None, cflags=''): + '''check for a single type with a header''' + return CHECK_TYPE(conf, t, headers=headers, alternate=alternate, define=define, cflags=cflags) + + +@conf +def CHECK_VARIABLE(conf, v, define=None, always=False, + headers=None, msg=None, lib=None, + mandatory=False): + '''check for a variable declaration (or define)''' + if define is None: + define = 'HAVE_%s' % v.upper() + + if msg is None: + msg="Checking for variable %s" % v + + return CHECK_CODE(conf, + # we need to make sure the compiler doesn't + # optimize it out... + ''' + #ifndef %s + void *_x; _x=(void *)&%s; return (int)_x; + #endif + return 0 + ''' % (v, v), + execute=False, + link=False, + msg=msg, + local_include=False, + lib=lib, + headers=headers, + define=define, + mandatory=mandatory, + always=always) + + +@conf +def CHECK_DECLS(conf, vars, reverse=False, headers=None, lib=None, always=False): + '''check a list of variable declarations, using the HAVE_DECL_xxx form + of define + + When reverse==True then use HAVE_xxx_DECL instead of HAVE_DECL_xxx + ''' + ret = True + for v in TO_LIST(vars): + if not reverse: + define='HAVE_DECL_%s' % v.upper() + else: + define='HAVE_%s_DECL' % v.upper() + if not CHECK_VARIABLE(conf, v, + define=define, + headers=headers, + lib=lib, + msg='Checking for declaration of %s' % v, + always=always): + if not CHECK_CODE(conf, + ''' + return (int)%s; + ''' % (v), + execute=False, + link=False, + msg='Checking for declaration of %s (as enum)' % v, + local_include=False, + headers=headers, + lib=lib, + define=define, + always=always): + ret = False + return ret + + +def CHECK_FUNC(conf, f, link=True, lib=None, headers=None): + '''check for a function''' + define='HAVE_%s' % f.upper() + + ret = False + + in_lib_str = "" + if lib: + in_lib_str = " in %s" % lib + conf.COMPOUND_START('Checking for %s%s' % (f, in_lib_str)) + + if link is None or link: + ret = CHECK_CODE(conf, + # this is based on the autoconf strategy + ''' + #define %s __fake__%s + #ifdef HAVE_LIMITS_H + # include <limits.h> + #else + # include <assert.h> + #endif + #undef %s + #if defined __stub_%s || defined __stub___%s + #error "bad glibc stub" + #endif + extern char %s(); + int main() { return %s(); } + ''' % (f, f, f, f, f, f, f), + execute=False, + link=True, + addmain=False, + add_headers=False, + define=define, + local_include=False, + lib=lib, + headers=headers, + msg='Checking for %s' % f) + + if not ret: + ret = CHECK_CODE(conf, + # it might be a macro + # we need to make sure the compiler doesn't + # optimize it out... + 'void *__x = (void *)%s; return (int)__x' % f, + execute=False, + link=True, + addmain=True, + add_headers=True, + define=define, + local_include=False, + lib=lib, + headers=headers, + msg='Checking for macro %s' % f) + + if not ret and (link is None or not link): + ret = CHECK_VARIABLE(conf, f, + define=define, + headers=headers, + msg='Checking for declaration of %s' % f) + conf.COMPOUND_END(ret) + return ret + + +@conf +def CHECK_FUNCS(conf, list, link=True, lib=None, headers=None): + '''check for a list of functions''' + ret = True + for f in TO_LIST(list): + if not CHECK_FUNC(conf, f, link=link, lib=lib, headers=headers): + ret = False + return ret + + +@conf +def CHECK_SIZEOF(conf, vars, headers=None, define=None, critical=True): + '''check the size of a type''' + for v in TO_LIST(vars): + v_define = define + ret = False + if v_define is None: + v_define = 'SIZEOF_%s' % v.upper().replace(' ', '_') + for size in list((1, 2, 4, 8, 16, 32, 64)): + if CHECK_CODE(conf, + 'static int test_array[1 - 2 * !(((long int)(sizeof(%s))) <= %d)];' % (v, size), + define=v_define, + quote=False, + headers=headers, + local_include=False, + msg="Checking if size of %s == %d" % (v, size)): + conf.DEFINE(v_define, size) + ret = True + break + if not ret and critical: + Logs.error("Couldn't determine size of '%s'" % v) + sys.exit(1) + return ret + +@conf +def CHECK_SIGN(conf, v, headers=None): + '''check the sign of a type''' + define_name = v.upper().replace(' ', '_') + for op, signed in [('<', 'signed'), + ('>', 'unsigned')]: + if CHECK_CODE(conf, + f'static int test_array[1 - 2 * !((({v})-1) {op} 0)];', + define=f'{define_name}_{signed.upper()}', + quote=False, + headers=headers, + local_include=False, + msg=f"Checking if '{v}' is {signed}"): + return True + + return False + +@conf +def CHECK_VALUEOF(conf, v, headers=None, define=None, lib=None): + '''check the value of a variable/define''' + ret = True + v_define = define + if v_define is None: + v_define = 'VALUEOF_%s' % v.upper().replace(' ', '_') + if CHECK_CODE(conf, + 'printf("%%u", (unsigned)(%s))' % v, + define=v_define, + execute=True, + define_ret=True, + quote=False, + lib=lib, + headers=headers, + local_include=False, + msg="Checking value of %s" % v): + return int(conf.env[v_define]) + + return None + +@conf +def CHECK_CODE(conf, code, define, + always=False, execute=False, addmain=True, + add_headers=True, mandatory=False, + headers=None, msg=None, cflags='', includes='# .', + local_include=True, lib=None, link=True, + define_ret=False, quote=False, + on_target=True, strict=False): + '''check if some code compiles and/or runs''' + + if CONFIG_SET(conf, define): + return True + + if headers is not None: + CHECK_HEADERS(conf, headers=headers, lib=lib) + + if add_headers: + hdrs = header_list(conf, headers=headers, lib=lib) + else: + hdrs = '' + if execute: + execute = 1 + else: + execute = 0 + + if addmain: + fragment='%s\n int main(void) { %s; return 0; }\n' % (hdrs, code) + else: + fragment='%s\n%s\n' % (hdrs, code) + + if msg is None: + msg="Checking for %s" % define + + cflags = TO_LIST(cflags) + + # Be strict when relying on a compiler check + # Some compilers (e.g. xlc) ignore non-supported features as warnings + if strict: + if 'WERROR_CFLAGS' in conf.env: + cflags.extend(conf.env['WERROR_CFLAGS']) + + if local_include: + cflags.append('-I%s' % conf.path.abspath()) + + if not link: + type='nolink' + else: + type='cprogram' + + uselib = TO_LIST(lib) + + (ccflags, ldflags, cpppath) = library_flags(conf, uselib) + + includes = TO_LIST(includes) + includes.extend(cpppath) + + uselib = [l.upper() for l in uselib] + + cflags.extend(ccflags) + + if on_target: + test_args = conf.SAMBA_CROSS_ARGS(msg=msg) + else: + test_args = [] + + conf.COMPOUND_START(msg) + + try: + ret = conf.check(fragment=fragment, + execute=execute, + define_name = define, + cflags=cflags, + ldflags=ldflags, + includes=includes, + uselib=uselib, + type=type, + msg=msg, + quote=quote, + test_args=test_args, + define_ret=define_ret) + except Exception: + if always: + conf.DEFINE(define, 0) + else: + conf.undefine(define) + conf.COMPOUND_END(False) + if mandatory: + raise + return False + else: + # Success is indicated by ret but we should unset + # defines set by WAF's c_config.check() because it + # defines it to int(ret) and we want to undefine it + if not ret: + conf.undefine(define) + conf.COMPOUND_END(False) + return False + if not define_ret: + conf.DEFINE(define, 1) + conf.COMPOUND_END(True) + else: + conf.DEFINE(define, ret, quote=quote) + conf.COMPOUND_END(ret) + return True + + +@conf +def CHECK_STRUCTURE_MEMBER(conf, structname, member, + always=False, define=None, headers=None, + lib=None): + '''check for a structure member''' + if define is None: + define = 'HAVE_%s' % member.upper() + return CHECK_CODE(conf, + '%s s; void *_x; _x=(void *)&s.%s' % (structname, member), + define, + execute=False, + link=False, + lib=lib, + always=always, + headers=headers, + local_include=False, + msg="Checking for member %s in %s" % (member, structname)) + + +@conf +def CHECK_CFLAGS(conf, cflags, fragment='int main(void) { return 0; }\n', + mandatory=False): + '''check if the given cflags are accepted by the compiler + ''' + check_cflags = TO_LIST(cflags) + if 'WERROR_CFLAGS' in conf.env: + check_cflags.extend(conf.env['WERROR_CFLAGS']) + return conf.check(fragment=fragment, + execute=0, + mandatory=mandatory, + type='nolink', + cflags=check_cflags, + msg="Checking compiler accepts %s" % cflags) + +@conf +def CHECK_LDFLAGS(conf, ldflags, + mandatory=False): + '''check if the given ldflags are accepted by the linker + ''' + return conf.check(fragment='int main(void) { return 0; }\n', + execute=0, + ldflags=ldflags, + mandatory=mandatory, + msg="Checking linker accepts %s" % ldflags) + + +@conf +def CONFIG_GET(conf, option): + '''return True if a configuration option was found''' + if (option in conf.env): + return conf.env[option] + else: + return None + +@conf +def CONFIG_SET(conf, option): + '''return True if a configuration option was found''' + if option not in conf.env: + return False + v = conf.env[option] + if v is None: + return False + if v == []: + return False + if v == (): + return False + return True + +@conf +def CONFIG_RESET(conf, option): + if option not in conf.env: + return + del conf.env[option] + +Build.BuildContext.CONFIG_RESET = CONFIG_RESET +Build.BuildContext.CONFIG_SET = CONFIG_SET +Build.BuildContext.CONFIG_GET = CONFIG_GET + + +def library_flags(self, libs): + '''work out flags from pkg_config''' + ccflags = [] + ldflags = [] + cpppath = [] + for lib in TO_LIST(libs): + # note that we do not add the -I and -L in here, as that is added by the waf + # core. Adding it here would just change the order that it is put on the link line + # which can cause system paths to be added before internal libraries + extra_ccflags = TO_LIST(getattr(self.env, 'CFLAGS_%s' % lib.upper(), [])) + extra_ldflags = TO_LIST(getattr(self.env, 'LDFLAGS_%s' % lib.upper(), [])) + extra_cpppath = TO_LIST(getattr(self.env, 'CPPPATH_%s' % lib.upper(), [])) + ccflags.extend(extra_ccflags) + ldflags.extend(extra_ldflags) + cpppath.extend(extra_cpppath) + + extra_cpppath = TO_LIST(getattr(self.env, 'INCLUDES_%s' % lib.upper(), [])) + cpppath.extend(extra_cpppath) + if 'EXTRA_LDFLAGS' in self.env: + ldflags.extend(self.env['EXTRA_LDFLAGS']) + + ccflags = unique_list(ccflags) + ldflags = unique_list(ldflags) + cpppath = unique_list(cpppath) + return (ccflags, ldflags, cpppath) + + +@conf +def CHECK_LIB(conf, libs, mandatory=False, empty_decl=True, set_target=True, shlib=False): + '''check if a set of libraries exist as system libraries + + returns the sublist of libs that do exist as a syslib or [] + ''' + + fragment= ''' +int foo() +{ + int v = 2; + return v*2; +} +''' + ret = [] + liblist = TO_LIST(libs) + for lib in liblist[:]: + if GET_TARGET_TYPE(conf, lib) == 'SYSLIB': + ret.append(lib) + continue + + (ccflags, ldflags, cpppath) = library_flags(conf, lib) + if shlib: + res = conf.check(features='c cshlib', fragment=fragment, lib=lib, uselib_store=lib, cflags=ccflags, ldflags=ldflags, uselib=lib.upper(), mandatory=False) + else: + res = conf.check(lib=lib, uselib_store=lib, cflags=ccflags, ldflags=ldflags, uselib=lib.upper(), mandatory=False) + + if not res: + if mandatory: + Logs.error("Mandatory library '%s' not found for functions '%s'" % (lib, libs)) + sys.exit(1) + if empty_decl: + # if it isn't a mandatory library, then remove it from dependency lists + if set_target: + SET_TARGET_TYPE(conf, lib, 'EMPTY') + else: + conf.define('HAVE_LIB%s' % lib.upper().replace('-','_').replace('.','_'), 1) + conf.env['LIB_' + lib.upper()] = lib + if set_target: + conf.SET_TARGET_TYPE(lib, 'SYSLIB') + ret.append(lib) + + return ret + + + +@conf +def CHECK_FUNCS_IN(conf, list, library, mandatory=False, checklibc=False, + headers=None, link=True, empty_decl=True, set_target=True): + """ + check that the functions in 'list' are available in 'library' + if they are, then make that library available as a dependency + + if the library is not available and mandatory==True, then + raise an error. + + If the library is not available and mandatory==False, then + add the library to the list of dependencies to remove from + build rules + + optionally check for the functions first in libc + """ + remaining = TO_LIST(list) + liblist = TO_LIST(library) + + # check if some already found + for f in remaining[:]: + if CONFIG_SET(conf, 'HAVE_%s' % f.upper()): + remaining.remove(f) + + # see if the functions are in libc + if checklibc: + for f in remaining[:]: + if CHECK_FUNC(conf, f, link=True, headers=headers): + remaining.remove(f) + + if remaining == []: + for lib in liblist: + if GET_TARGET_TYPE(conf, lib) != 'SYSLIB' and empty_decl: + SET_TARGET_TYPE(conf, lib, 'EMPTY') + return True + + checklist = conf.CHECK_LIB(liblist, empty_decl=empty_decl, set_target=set_target) + for lib in liblist[:]: + if not lib in checklist and mandatory: + Logs.error("Mandatory library '%s' not found for functions '%s'" % (lib, list)) + sys.exit(1) + + ret = True + for f in remaining: + if not CHECK_FUNC(conf, f, lib=' '.join(checklist), headers=headers, link=link): + ret = False + + return ret + + +@conf +def IN_LAUNCH_DIR(conf): + '''return True if this rule is being run from the launch directory''' + return os.path.realpath(conf.path.abspath()) == os.path.realpath(Context.launch_dir) +Options.OptionsContext.IN_LAUNCH_DIR = IN_LAUNCH_DIR + + +@conf +def SAMBA_CONFIG_H(conf, path=None): + '''write out config.h in the right directory''' + # we don't want to produce a config.h in places like lib/replace + # when we are building projects that depend on lib/replace + if not IN_LAUNCH_DIR(conf): + return + + # we need to build real code that can't be optimized away to test + stack_protect_list = ['-fstack-protector-strong', '-fstack-protector'] + for stack_protect_flag in stack_protect_list: + flag_supported = conf.check(fragment=''' + #include <stdio.h> + + int main(void) + { + char t[100000]; + while (fgets(t, sizeof(t), stdin)); + return 0; + } + ''', + execute=0, + cflags=[ '-Werror', '-Wp,-D_FORTIFY_SOURCE=2', stack_protect_flag], + mandatory=False, + msg='Checking if compiler accepts %s' % (stack_protect_flag)) + if flag_supported: + conf.ADD_CFLAGS('%s' % (stack_protect_flag)) + break + + flag_supported = conf.check(fragment=''' + #include <stdio.h> + + int main(void) + { + char t[100000]; + while (fgets(t, sizeof(t), stdin)); + return 0; + } + ''', + execute=0, + cflags=[ '-Werror', '-fstack-clash-protection'], + mandatory=False, + msg='Checking if compiler accepts -fstack-clash-protection') + if flag_supported: + conf.ADD_CFLAGS('-fstack-clash-protection') + + if Options.options.debug: + conf.ADD_CFLAGS('-g', testflags=True) + + if Options.options.pidl_developer: + conf.env.PIDL_DEVELOPER_MODE = True + + if Options.options.developer: + conf.env.DEVELOPER_MODE = True + + conf.ADD_CFLAGS('-g', testflags=True) + conf.ADD_CFLAGS('-Wall', testflags=True) + conf.ADD_CFLAGS('-Wshadow', testflags=True) + conf.ADD_CFLAGS('-Wmissing-prototypes', testflags=True) + if CHECK_CODE(conf, + 'struct a { int b; }; struct c { struct a d; } e = { };', + 'CHECK_C99_INIT', + link=False, + cflags='-Wmissing-field-initializers -Werror=missing-field-initializers', + msg="Checking C99 init of nested structs."): + conf.ADD_CFLAGS('-Wmissing-field-initializers', testflags=True) + conf.ADD_CFLAGS('-Wformat-overflow=2', testflags=True) + conf.ADD_CFLAGS('-Wformat-zero-length', testflags=True) + conf.ADD_CFLAGS('-Wcast-align -Wcast-qual', testflags=True) + conf.ADD_CFLAGS('-fno-common', testflags=True) + + conf.ADD_CFLAGS('-Werror=address', testflags=True) + # we add these here to ensure that -Wstrict-prototypes is not set during configure + conf.ADD_CFLAGS('-Werror=strict-prototypes -Wstrict-prototypes', + testflags=True) + conf.ADD_CFLAGS('-Werror=write-strings -Wwrite-strings', + testflags=True) + conf.ADD_CFLAGS('-Werror-implicit-function-declaration', + testflags=True) + conf.ADD_CFLAGS('-Werror=implicit-int', + testflags=True) + conf.ADD_CFLAGS('-Werror=pointer-arith -Wpointer-arith', + testflags=True) + conf.ADD_CFLAGS('-Werror=declaration-after-statement -Wdeclaration-after-statement', + testflags=True) + conf.ADD_CFLAGS('-Werror=return-type -Wreturn-type', + testflags=True) + conf.ADD_CFLAGS('-Werror=uninitialized -Wuninitialized', + testflags=True) + conf.ADD_CFLAGS('-Wimplicit-fallthrough', + testflags=True) + conf.ADD_CFLAGS('-Werror=strict-overflow -Wstrict-overflow=2', + testflags=True) + conf.ADD_CFLAGS('-Werror=old-style-definition -Wold-style-definition', + testflags=True) + + conf.ADD_CFLAGS('-Wformat=2 -Wno-format-y2k', testflags=True) + conf.ADD_CFLAGS('-Wno-format-zero-length', testflags=True) + conf.ADD_CFLAGS('-Werror=format-security -Wformat-security', + testflags=True, prereq_flags='-Wformat') + # This check is because for ldb_search(), a NULL format string + # is not an error, but some compilers complain about that. + if CHECK_CFLAGS(conf, ["-Werror=format", "-Wformat=2"], ''' +int testformat(char *format, ...) __attribute__ ((format (__printf__, 1, 2))); + +int main(void) { + testformat(0); + return 0; +} + +'''): + if not 'EXTRA_CFLAGS' in conf.env: + conf.env['EXTRA_CFLAGS'] = [] + conf.env['EXTRA_CFLAGS'].extend(TO_LIST("-Werror=format")) + + if CHECK_CFLAGS(conf, ["-Wno-error=array-bounds"]): + conf.define('HAVE_WNO_ERROR_ARRAY_BOUNDS', 1) + + if CHECK_CFLAGS(conf, ["-Wno-error=stringop-overflow"]): + conf.define('HAVE_WNO_ERROR_STRINGOP_OVERFLOW', 1) + + if CHECK_CFLAGS(conf, ["-Wno-error=declaration-after-statement"]): + conf.define('HAVE_WNO_ERROR_DECLARATION_AFTER_STATEMENT', 1) + + if not Options.options.disable_warnings_as_errors: + conf.ADD_NAMED_CFLAGS('PICKY_CFLAGS', '-Werror -Wno-error=deprecated-declarations', testflags=True) + conf.ADD_NAMED_CFLAGS('PICKY_CFLAGS', '-Wno-error=tautological-compare', testflags=True) + conf.ADD_NAMED_CFLAGS('PICKY_CFLAGS', '-Wno-error=cast-align', testflags=True) + + if Options.options.fatal_errors: + conf.ADD_CFLAGS('-Wfatal-errors', testflags=True) + + if Options.options.pedantic: + conf.ADD_CFLAGS('-W', testflags=True) + + if (Options.options.address_sanitizer or + Options.options.undefined_sanitizer): + conf.ADD_CFLAGS('-g -O1', testflags=True) + if (Options.options.address_sanitizer + or Options.options.memory_sanitizer): + conf.ADD_CFLAGS('-fno-omit-frame-pointer', testflags=True) + if Options.options.address_sanitizer: + conf.ADD_CFLAGS('-fsanitize=address', testflags=True) + conf.ADD_LDFLAGS('-fsanitize=address', testflags=True) + conf.env['ADDRESS_SANITIZER'] = True + if Options.options.undefined_sanitizer: + conf.ADD_CFLAGS('-fsanitize=undefined', testflags=True) + conf.ADD_CFLAGS('-fsanitize=null', testflags=True) + conf.ADD_CFLAGS('-fsanitize=alignment', testflags=True) + conf.ADD_LDFLAGS('-fsanitize=undefined', testflags=True) + conf.env['UNDEFINED_SANITIZER'] = True + + # MemorySanitizer is only available if you build with clang + if Options.options.memory_sanitizer: + conf.ADD_CFLAGS('-g -O2', testflags=True) + conf.ADD_CFLAGS('-fsanitize=memory', testflags=True) + conf.ADD_CFLAGS('-fsanitize-memory-track-origins=2', testflags=True) + conf.ADD_LDFLAGS('-fsanitize=memory') + conf.env['MEMORY_SANITIZER'] = True + + # Let people pass an additional ADDITIONAL_{CFLAGS,LDFLAGS} + # environment variables which are only used the for final build. + # + # The CFLAGS and LDFLAGS environment variables are also + # used for the configure checks which might impact their results. + # + # If these variables don't pass a smoke test, fail the configure + + conf.add_os_flags('ADDITIONAL_CFLAGS') + if conf.env.ADDITIONAL_CFLAGS: + conf.CHECK_CFLAGS(conf.env['ADDITIONAL_CFLAGS'], + mandatory=True) + conf.env['EXTRA_CFLAGS'].extend(conf.env['ADDITIONAL_CFLAGS']) + + conf.add_os_flags('ADDITIONAL_LDFLAGS') + if conf.env.ADDITIONAL_LDFLAGS: + conf.CHECK_LDFLAGS(conf.env['ADDITIONAL_LDFLAGS'], + mandatory=True) + conf.env['EXTRA_LDFLAGS'].extend(conf.env['ADDITIONAL_LDFLAGS']) + + if path is None: + conf.write_config_header('default/config.h', top=True, remove=False) + else: + conf.write_config_header(os.path.join(conf.variant, path), remove=False) + for key in conf.env.define_key: + conf.undefine(key, from_env=False) + conf.env.define_key = [] + conf.SAMBA_CROSS_CHECK_COMPLETE() + + +@conf +def CONFIG_PATH(conf, name, default): + '''setup a configurable path''' + if not name in conf.env: + if default[0] == '/': + conf.env[name] = default + else: + conf.env[name] = conf.env['PREFIX'] + default + +@conf +def ADD_NAMED_CFLAGS(conf, name, flags, testflags=False, prereq_flags=None): + '''add some CFLAGS to the command line + optionally set testflags to ensure all the flags work + ''' + if prereq_flags is None: + prereq_flags = [] + prereq_flags = TO_LIST(prereq_flags) + if testflags: + ok_flags=[] + for f in flags.split(): + if CHECK_CFLAGS(conf, [f] + prereq_flags): + ok_flags.append(f) + flags = ok_flags + if not name in conf.env: + conf.env[name] = [] + conf.env[name].extend(TO_LIST(flags)) + +@conf +def ADD_CFLAGS(conf, flags, testflags=False, prereq_flags=None): + '''add some CFLAGS to the command line + optionally set testflags to ensure all the flags work + ''' + if prereq_flags is None: + prereq_flags = [] + ADD_NAMED_CFLAGS(conf, 'EXTRA_CFLAGS', flags, testflags=testflags, + prereq_flags=prereq_flags) + +@conf +def ADD_LDFLAGS(conf, flags, testflags=False): + '''add some LDFLAGS to the command line + optionally set testflags to ensure all the flags work + + this will return the flags that are added, if any + ''' + if testflags: + ok_flags=[] + for f in flags.split(): + if CHECK_LDFLAGS(conf, f): + ok_flags.append(f) + flags = ok_flags + if not 'EXTRA_LDFLAGS' in conf.env: + conf.env['EXTRA_LDFLAGS'] = [] + conf.env['EXTRA_LDFLAGS'].extend(TO_LIST(flags)) + return flags + + +@conf +def ADD_EXTRA_INCLUDES(conf, includes): + '''add some extra include directories to all builds''' + if not 'EXTRA_INCLUDES' in conf.env: + conf.env['EXTRA_INCLUDES'] = [] + conf.env['EXTRA_INCLUDES'].extend(TO_LIST(includes)) + + + +def CURRENT_CFLAGS(bld, target, cflags, + allow_warnings=False, + use_hostcc=False, + hide_symbols=False): + '''work out the current flags. local flags are added first''' + ret = [] + if use_hostcc: + ret += ['-D_SAMBA_HOSTCC_'] + ret += TO_LIST(cflags) + if not 'EXTRA_CFLAGS' in bld.env: + list = [] + else: + list = bld.env['EXTRA_CFLAGS'] + ret.extend(list) + if not allow_warnings and 'PICKY_CFLAGS' in bld.env: + list = bld.env['PICKY_CFLAGS'] + ret.extend(list) + if hide_symbols and bld.env.HAVE_VISIBILITY_ATTR: + ret.append(bld.env.VISIBILITY_CFLAGS) + return ret + + +@conf +def CHECK_CC_ENV(conf): + """trim whitespaces from 'CC'. + The build farm sometimes puts a space at the start""" + if os.environ.get('CC'): + conf.env.CC = TO_LIST(os.environ.get('CC')) + + +@conf +def SETUP_CONFIGURE_CACHE(conf, enable): + '''enable/disable cache of configure results''' + if enable: + # when -C is chosen, we will use a private cache and will + # not look into system includes. This roughly matches what + # autoconf does with -C + cache_path = os.path.join(conf.bldnode.abspath(), '.confcache') + mkdir_p(cache_path) + Options.cache_global = os.environ['WAFCACHE'] = cache_path + else: + # when -C is not chosen we will not cache configure checks + # We set the recursion limit low to prevent waf from spending + # a lot of time on the signatures of the files. + Options.cache_global = os.environ['WAFCACHE'] = '' + preproc.recursion_limit = 1 + # in either case we don't need to scan system includes + preproc.go_absolute = False + + +@conf +def SAMBA_CHECK_UNDEFINED_SYMBOL_FLAGS(conf): + if (Options.options.address_sanitizer + or Options.options.memory_sanitizer + or Options.options.enable_libfuzzer): + # Sanitizers can rely on symbols undefined at library link time and the + # symbols used for fuzzers are only defined by compiler wrappers. + return + + if not sys.platform.startswith("openbsd"): + # we don't want any libraries or modules to rely on runtime + # resolution of symbols + conf.env.undefined_ldflags = conf.ADD_LDFLAGS('-Wl,-no-undefined', testflags=True) + + if (conf.env.undefined_ignore_ldflags == [] and + conf.CHECK_LDFLAGS(['-undefined', 'dynamic_lookup'])): + conf.env.undefined_ignore_ldflags = ['-undefined', 'dynamic_lookup'] diff --git a/buildtools/wafsamba/samba_autoproto.py b/buildtools/wafsamba/samba_autoproto.py new file mode 100644 index 0000000..87fb8ef --- /dev/null +++ b/buildtools/wafsamba/samba_autoproto.py @@ -0,0 +1,24 @@ +# waf build tool for building automatic prototypes from C source + +import os +from waflib import Build +from samba_utils import SET_TARGET_TYPE + +def SAMBA_AUTOPROTO(bld, header, source): + '''rule for samba prototype generation''' + bld.SET_BUILD_GROUP('prototypes') + relpath = os.path.relpath(bld.path.abspath(), bld.srcnode.abspath()) + name = os.path.join(relpath, header) + SET_TARGET_TYPE(bld, name, 'PROTOTYPE') + t = bld( + name = name, + source = source, + target = header, + update_outputs=True, + ext_out='.c', + before ='c', + rule = '${PERL} "${SCRIPT}/mkproto.pl" --srcdir=.. --builddir=. --public=/dev/null --private="${TGT}" ${SRC}' + ) + t.env.SCRIPT = os.path.join(bld.srcnode.abspath(), 'source4/script') +Build.BuildContext.SAMBA_AUTOPROTO = SAMBA_AUTOPROTO + diff --git a/buildtools/wafsamba/samba_bundled.py b/buildtools/wafsamba/samba_bundled.py new file mode 100644 index 0000000..029be15 --- /dev/null +++ b/buildtools/wafsamba/samba_bundled.py @@ -0,0 +1,273 @@ +# functions to support bundled libraries + +import sys +from waflib import Build, Options, Logs +from waflib.Configure import conf +from wafsamba import samba_utils + +def PRIVATE_NAME(bld, name): + '''possibly rename a library to include a bundled extension''' + + extension = bld.env.PRIVATE_EXTENSION + + if name in bld.env.PRIVATE_EXTENSION_EXCEPTION: + return name + + if extension and name.startswith('%s' % extension): + return name + + if extension and name.endswith('%s' % extension): + return name + + return "%s-%s" % (name, extension) + + +def target_in_list(target, lst, default): + for l in lst: + if target == l: + return True + if '!' + target == l: + return False + if l == 'ALL': + return True + if l == 'NONE': + return False + return default + + +def BUILTIN_LIBRARY(bld, name): + '''return True if a library should be builtin + instead of being built as a shared lib''' + return target_in_list(name, bld.env.BUILTIN_LIBRARIES, False) +Build.BuildContext.BUILTIN_LIBRARY = BUILTIN_LIBRARY + + +def BUILTIN_DEFAULT(opt, builtins): + '''set a comma separated default list of builtin libraries for this package''' + if 'BUILTIN_LIBRARIES_DEFAULT' in Options.options.__dict__: + return + Options.options.__dict__['BUILTIN_LIBRARIES_DEFAULT'] = builtins +Options.OptionsContext.BUILTIN_DEFAULT = BUILTIN_DEFAULT + + +def PRIVATE_EXTENSION_DEFAULT(opt, extension, noextension=''): + '''set a default private library extension''' + if 'PRIVATE_EXTENSION_DEFAULT' in Options.options.__dict__: + return + Options.options.__dict__['PRIVATE_EXTENSION_DEFAULT'] = extension + Options.options.__dict__['PRIVATE_EXTENSION_EXCEPTION'] = noextension +Options.OptionsContext.PRIVATE_EXTENSION_DEFAULT = PRIVATE_EXTENSION_DEFAULT + + +def minimum_library_version(conf, libname, default): + '''allow override of minimum system library version''' + + minlist = Options.options.MINIMUM_LIBRARY_VERSION + if not minlist: + return default + + for m in minlist.split(','): + a = m.split(':') + if len(a) != 2: + Logs.error("Bad syntax for --minimum-library-version of %s" % m) + sys.exit(1) + if a[0] == libname: + return a[1] + return default + + +@conf +def LIB_MAY_BE_BUNDLED(conf, libname): + if libname in conf.env.SYSTEM_LIBS: + return False + if libname in conf.env.BUNDLED_LIBS: + return True + if '!%s' % libname in conf.env.BUNDLED_LIBS: + return False + if 'NONE' in conf.env.BUNDLED_LIBS: + return False + return True + +def __LIB_MUST_BE(liblist, libname): + if libname in liblist: + return True + if '!%s' % libname in liblist: + return False + if 'ALL' in liblist: + return True + return False + +@conf +def LIB_MUST_BE_BUNDLED(conf, libname): + return __LIB_MUST_BE(conf.env.BUNDLED_LIBS, libname) + +@conf +def LIB_MUST_BE_PRIVATE(conf, libname): + return __LIB_MUST_BE(conf.env.PRIVATE_LIBS, libname) + +@conf +def CHECK_BUNDLED_SYSTEM_PKG(conf, libname, minversion='0.0.0', + maxversion=None, version_blacklist=None, + onlyif=None, implied_deps=None, pkg=None): + '''check if a library is available as a system library. + + This only tries using pkg-config + ''' + if version_blacklist is None: + version_blacklist = [] + return conf.CHECK_BUNDLED_SYSTEM(libname, + minversion=minversion, + maxversion=maxversion, + version_blacklist=version_blacklist, + onlyif=onlyif, + implied_deps=implied_deps, + pkg=pkg) + +@conf +def CHECK_BUNDLED_SYSTEM(conf, libname, minversion='0.0.0', + maxversion=None, version_blacklist=None, + checkfunctions=None, headers=None, checkcode=None, + onlyif=None, implied_deps=None, + require_headers=True, pkg=None, set_target=True): + '''check if a library is available as a system library. + this first tries via pkg-config, then if that fails + tries by testing for a specified function in the specified lib + ''' + # We always do a logic validation of 'onlyif' first + if version_blacklist is None: + version_blacklist = [] + missing = [] + if onlyif: + for l in samba_utils.TO_LIST(onlyif): + f = 'FOUND_SYSTEMLIB_%s' % l + if not f in conf.env: + Logs.error('ERROR: CHECK_BUNDLED_SYSTEM(%s) - ' % (libname) + + 'missing prerequisite check for ' + + 'system library %s, onlyif=%r' % (l, onlyif)) + sys.exit(1) + if not conf.env[f]: + missing.append(l) + found = 'FOUND_SYSTEMLIB_%s' % libname + if found in conf.env: + return conf.env[found] + if conf.LIB_MUST_BE_BUNDLED(libname): + conf.env[found] = False + return False + + # see if the library should only use a system version if another dependent + # system version is found. That prevents possible use of mixed library + # versions + if missing: + if not conf.LIB_MAY_BE_BUNDLED(libname): + Logs.error('ERROR: Use of system library %s depends on missing system library/libraries %r' % (libname, missing)) + sys.exit(1) + conf.env[found] = False + return False + + def check_functions_headers_code(): + '''helper function for CHECK_BUNDLED_SYSTEM''' + if require_headers and headers and not conf.CHECK_HEADERS(headers, lib=libname): + return False + if checkfunctions is not None: + ok = conf.CHECK_FUNCS_IN(checkfunctions, libname, headers=headers, + empty_decl=False, set_target=False) + if not ok: + return False + if checkcode is not None: + define='CHECK_BUNDLED_SYSTEM_%s' % libname.upper() + ok = conf.CHECK_CODE(checkcode, lib=libname, + headers=headers, local_include=False, + msg=msg, define=define) + conf.CONFIG_RESET(define) + if not ok: + return False + return True + + minversion = minimum_library_version(conf, libname, minversion) + + msg = 'Checking for system %s' % libname + msg_ver = [] + if minversion != '0.0.0': + msg_ver.append('>=%s' % minversion) + if maxversion is not None: + msg_ver.append('<=%s' % maxversion) + for v in version_blacklist: + msg_ver.append('!=%s' % v) + if msg_ver != []: + msg += " (%s)" % (" ".join(msg_ver)) + + uselib_store=libname.upper() + if pkg is None: + pkg = libname + + version_checks = '%s >= %s' % (pkg, minversion) + if maxversion is not None: + version_checks += ' %s <= %s' % (pkg, maxversion) + + version_checks += "".join(' %s != %s' % (pkg, v) for v in version_blacklist) + + # try pkgconfig first + if (conf.CHECK_CFG(package=pkg, + args='"%s" --cflags --libs' % (version_checks), + msg=msg, uselib_store=uselib_store) and + check_functions_headers_code()): + if set_target: + conf.SET_TARGET_TYPE(libname, 'SYSLIB') + conf.env[found] = True + if implied_deps: + conf.SET_SYSLIB_DEPS(libname, implied_deps) + return True + if checkfunctions is not None: + if check_functions_headers_code(): + conf.env[found] = True + if implied_deps: + conf.SET_SYSLIB_DEPS(libname, implied_deps) + if set_target: + conf.SET_TARGET_TYPE(libname, 'SYSLIB') + return True + conf.env[found] = False + if not conf.LIB_MAY_BE_BUNDLED(libname): + Logs.error('ERROR: System library %s of version %s not found, and bundling disabled' % (libname, minversion)) + sys.exit(1) + return False + + +def tuplize_version(version): + return tuple([int(x) for x in version.split(".")]) + +@conf +def CHECK_BUNDLED_SYSTEM_PYTHON(conf, libname, modulename, minversion='0.0.0'): + '''check if a python module is available on the system and + has the specified minimum version. + ''' + if conf.LIB_MUST_BE_BUNDLED(libname): + return False + + # see if the library should only use a system version if another dependent + # system version is found. That prevents possible use of mixed library + # versions + minversion = minimum_library_version(conf, libname, minversion) + + try: + m = __import__(modulename) + except ImportError: + found = False + else: + try: + version = m.__version__ + except AttributeError: + found = False + else: + found = tuplize_version(version) >= tuplize_version(minversion) + if not found and not conf.LIB_MAY_BE_BUNDLED(libname): + Logs.error('ERROR: Python module %s of version %s not found, and bundling disabled' % (libname, minversion)) + sys.exit(1) + return found + + +def NONSHARED_BINARY(bld, name): + '''return True if a binary should be built without non-system shared libs''' + return target_in_list(name, bld.env.NONSHARED_BINARIES, False) +Build.BuildContext.NONSHARED_BINARY = NONSHARED_BINARY + + diff --git a/buildtools/wafsamba/samba_conftests.py b/buildtools/wafsamba/samba_conftests.py new file mode 100644 index 0000000..38ce20d --- /dev/null +++ b/buildtools/wafsamba/samba_conftests.py @@ -0,0 +1,529 @@ +# a set of config tests that use the samba_autoconf functions +# to test for commonly needed configuration options + +import os, shutil, re +from waflib import Build, Configure, Utils, Options, Logs, Errors +from waflib.Configure import conf +from samba_utils import TO_LIST, ADD_LD_LIBRARY_PATH, get_string + + +def add_option(self, *k, **kw): + '''syntax help: provide the "match" attribute to opt.add_option() so that folders can be added to specific config tests''' + Options.OptionsContext.parser = self + match = kw.get('match', []) + if match: + del kw['match'] + opt = self.parser.add_option(*k, **kw) + opt.match = match + return opt +Options.OptionsContext.add_option = add_option + +@conf +def check(self, *k, **kw): + '''Override the waf defaults to inject --with-directory options''' + + if not 'env' in kw: + kw['env'] = self.env.derive() + + # match the configuration test with specific options, for example: + # --with-libiconv -> Options.options.iconv_open -> "Checking for library iconv" + additional_dirs = [] + if 'msg' in kw: + msg = kw['msg'] + for x in Options.OptionsContext.parser.parser.option_list: + if getattr(x, 'match', None) and msg in x.match: + d = getattr(Options.options, x.dest, '') + if d: + additional_dirs.append(d) + + # we add the additional dirs twice: once for the test data, and again if the compilation test succeeds below + def add_options_dir(dirs, env): + for x in dirs: + if not x in env.CPPPATH: + env.CPPPATH = [os.path.join(x, 'include')] + env.CPPPATH + if not x in env.LIBPATH: + env.LIBPATH = [os.path.join(x, 'lib')] + env.LIBPATH + + add_options_dir(additional_dirs, kw['env']) + + self.validate_c(kw) + self.start_msg(kw['msg']) + ret = None + try: + ret = self.run_c_code(*k, **kw) + except Configure.ConfigurationError as e: + self.end_msg(kw['errmsg'], 'YELLOW') + if 'mandatory' in kw and kw['mandatory']: + if Logs.verbose > 1: + raise + else: + self.fatal('the configuration failed (see %r)' % self.log.name) + else: + kw['success'] = ret + self.end_msg(self.ret_msg(kw['okmsg'], kw)) + + # success! keep the CPPPATH/LIBPATH + add_options_dir(additional_dirs, self.env) + + self.post_check(*k, **kw) + if not kw.get('execute', False): + return ret == 0 + return ret + + +@conf +def CHECK_ICONV(conf, define='HAVE_NATIVE_ICONV'): + '''check if the iconv library is installed + optionally pass a define''' + if conf.CHECK_FUNCS_IN('iconv_open', 'iconv', checklibc=True, headers='iconv.h'): + conf.DEFINE(define, 1) + return True + return False + + +@conf +def CHECK_LARGEFILE(conf, define='HAVE_LARGEFILE'): + '''see what we need for largefile support''' + getconf_cflags = conf.CHECK_COMMAND(['getconf', 'LFS_CFLAGS']) + if getconf_cflags is not False: + if (conf.CHECK_CODE('if (sizeof(off_t) < 8) return 1', + define='WORKING_GETCONF_LFS_CFLAGS', + execute=True, + cflags=getconf_cflags, + msg='Checking getconf large file support flags work')): + conf.ADD_CFLAGS(getconf_cflags) + getconf_cflags_list=TO_LIST(getconf_cflags) + for flag in getconf_cflags_list: + if flag[:2] == "-D": + flag_split = flag[2:].split('=') + if len(flag_split) == 1: + conf.DEFINE(flag_split[0], '1') + else: + conf.DEFINE(flag_split[0], flag_split[1]) + + if conf.CHECK_CODE('if (sizeof(off_t) < 8) return 1', + define, + execute=True, + msg='Checking for large file support without additional flags'): + return True + + if conf.CHECK_CODE('if (sizeof(off_t) < 8) return 1', + define, + execute=True, + cflags='-D_FILE_OFFSET_BITS=64', + msg='Checking for -D_FILE_OFFSET_BITS=64'): + conf.DEFINE('_FILE_OFFSET_BITS', 64) + return True + + if conf.CHECK_CODE('if (sizeof(off_t) < 8) return 1', + define, + execute=True, + cflags='-D_LARGE_FILES', + msg='Checking for -D_LARGE_FILES'): + conf.DEFINE('_LARGE_FILES', 1) + return True + return False + + +@conf +def CHECK_C_PROTOTYPE(conf, function, prototype, define, headers=None, msg=None, lib=None): + '''verify that a C prototype matches the one on the current system''' + if not conf.CHECK_DECLS(function, headers=headers): + return False + if not msg: + msg = 'Checking C prototype for %s' % function + return conf.CHECK_CODE('%s; void *_x = (void *)%s' % (prototype, function), + define=define, + local_include=False, + headers=headers, + link=False, + execute=False, + msg=msg, + lib=lib) + + +@conf +def CHECK_CHARSET_EXISTS(conf, charset, outcharset='UCS-2LE', headers=None, define=None): + '''check that a named charset is able to be used with iconv_open() for conversion + to a target charset + ''' + msg = 'Checking if can we convert from %s to %s' % (charset, outcharset) + if define is None: + define = 'HAVE_CHARSET_%s' % charset.upper().replace('-','_') + return conf.CHECK_CODE(''' + iconv_t cd = iconv_open("%s", "%s"); + if (cd == 0 || cd == (iconv_t)-1) return -1; + ''' % (charset, outcharset), + define=define, + execute=True, + msg=msg, + lib='iconv', + headers=headers) + +def find_config_dir(conf): + '''find a directory to run tests in''' + k = 0 + while k < 10000: + dir = os.path.join(conf.bldnode.abspath(), '.conf_check_%d' % k) + try: + shutil.rmtree(dir) + except OSError: + pass + try: + os.stat(dir) + except: + break + k += 1 + + try: + os.makedirs(dir) + except: + conf.fatal('cannot create a configuration test folder %r' % dir) + + try: + os.stat(dir) + except: + conf.fatal('cannot use the configuration test folder %r' % dir) + return dir + +@conf +def CHECK_SHLIB_INTRASINC_NAME_FLAGS(conf, msg): + ''' + check if the waf default flags for setting the name of lib + are ok + ''' + + snip = ''' +int foo(int v) { + return v * 2; +} +''' + return conf.check(features='c cshlib',vnum="1",fragment=snip,msg=msg, mandatory=False) + +@conf +def CHECK_NEED_LC(conf, msg): + '''check if we need -lc''' + + dir = find_config_dir(conf) + + env = conf.env + + bdir = os.path.join(dir, 'testbuild2') + if not os.path.exists(bdir): + os.makedirs(bdir) + + + subdir = os.path.join(dir, "liblctest") + + os.makedirs(subdir) + + Utils.writef(os.path.join(subdir, 'liblc1.c'), '#include <stdio.h>\nint lib_func(void) { FILE *f = fopen("foo", "r");}\n') + + bld = Build.BuildContext() + bld.log = conf.log + bld.all_envs.update(conf.all_envs) + bld.all_envs['default'] = env + bld.lst_variants = bld.all_envs.keys() + bld.load_dirs(dir, bdir) + + bld.rescan(bld.srcnode) + + bld(features='c cshlib', + source='liblctest/liblc1.c', + ldflags=conf.env['EXTRA_LDFLAGS'], + target='liblc', + name='liblc') + + try: + bld.compile() + conf.check_message(msg, '', True) + return True + except: + conf.check_message(msg, '', False) + return False + + +@conf +def CHECK_SHLIB_W_PYTHON(conf, msg): + '''check if we need -undefined dynamic_lookup''' + + dir = find_config_dir(conf) + snip = ''' +#include <Python.h> +#include <crt_externs.h> +#define environ (*_NSGetEnviron()) + +static PyObject *ldb_module = NULL; +int foo(int v) { + extern char **environ; + environ[0] = 1; + ldb_module = PyImport_ImportModule("ldb"); + return v * 2; +} +''' + return conf.check(features='c cshlib',uselib='PYEMBED',fragment=snip,msg=msg, mandatory=False) + +# this one is quite complex, and should probably be broken up +# into several parts. I'd quite like to create a set of CHECK_COMPOUND() +# functions that make writing complex compound tests like this much easier +@conf +def CHECK_LIBRARY_SUPPORT(conf, rpath=False, version_script=False, msg=None): + '''see if the platform supports building libraries''' + + if msg is None: + if rpath: + msg = "rpath library support" + else: + msg = "building library support" + + dir = find_config_dir(conf) + + bdir = os.path.join(dir, 'testbuild') + if not os.path.exists(bdir): + os.makedirs(bdir) + + env = conf.env + + subdir = os.path.join(dir, "libdir") + + os.makedirs(subdir) + + Utils.writef(os.path.join(subdir, 'lib1.c'), 'int lib_func(void) { return 42; }\n') + Utils.writef(os.path.join(dir, 'main.c'), + 'int lib_func(void);\n' + 'int main(void) {return !(lib_func() == 42);}\n') + + bld = Build.BuildContext() + bld.log = conf.log + bld.all_envs.update(conf.all_envs) + bld.all_envs['default'] = env + bld.lst_variants = bld.all_envs.keys() + bld.load_dirs(dir, bdir) + + bld.rescan(bld.srcnode) + + ldflags = [] + if version_script: + ldflags.append("-Wl,--version-script=%s/vscript" % bld.path.abspath()) + Utils.writef(os.path.join(dir,'vscript'), 'TEST_1.0A2 { global: *; };\n') + + bld(features='c cshlib', + source='libdir/lib1.c', + target='libdir/lib1', + ldflags=ldflags, + name='lib1') + + o = bld(features='c cprogram', + source='main.c', + target='prog1', + uselib_local='lib1') + + if rpath: + o.rpath=os.path.join(bdir, 'default/libdir') + + # compile the program + try: + bld.compile() + except: + conf.check_message(msg, '', False) + return False + + # path for execution + lastprog = o.link_task.outputs[0].abspath(env) + + if not rpath: + if 'LD_LIBRARY_PATH' in os.environ: + old_ld_library_path = os.environ['LD_LIBRARY_PATH'] + else: + old_ld_library_path = None + ADD_LD_LIBRARY_PATH(os.path.join(bdir, 'default/libdir')) + + # we need to run the program, try to get its result + args = conf.SAMBA_CROSS_ARGS(msg=msg) + proc = Utils.subprocess.Popen([lastprog] + args, + stdout=Utils.subprocess.PIPE, stderr=Utils.subprocess.PIPE) + (out, err) = proc.communicate() + w = conf.log.write + w(str(out)) + w('\n') + w(str(err)) + w('\nreturncode %r\n' % proc.returncode) + ret = (proc.returncode == 0) + + if not rpath: + os.environ['LD_LIBRARY_PATH'] = old_ld_library_path or '' + + conf.check_message(msg, '', ret) + return ret + + + +@conf +def CHECK_PERL_MANPAGE(conf, msg=None, section=None): + '''work out what extension perl uses for manpages''' + + if msg is None: + if section: + msg = "perl man%s extension" % section + else: + msg = "perl manpage generation" + + conf.start_msg(msg) + + dir = find_config_dir(conf) + + bdir = os.path.join(dir, 'testbuild') + if not os.path.exists(bdir): + os.makedirs(bdir) + + Utils.writef(os.path.join(bdir, 'Makefile.PL'), """ +use ExtUtils::MakeMaker; +WriteMakefile( + 'NAME' => 'WafTest', + 'EXE_FILES' => [ 'WafTest' ] +); +""") + back = os.path.abspath('.') + os.chdir(bdir) + proc = Utils.subprocess.Popen(['perl', 'Makefile.PL'], + stdout=Utils.subprocess.PIPE, + stderr=Utils.subprocess.PIPE) + (out, err) = proc.communicate() + os.chdir(back) + + ret = (proc.returncode == 0) + if not ret: + conf.end_msg('not found', color='YELLOW') + return + + if section: + man = Utils.readf(os.path.join(bdir,'Makefile')) + m = re.search(r'MAN%sEXT\s+=\s+(\w+)' % section, man) + if not m: + conf.end_msg('not found', color='YELLOW') + return + ext = m.group(1) + conf.end_msg(ext) + return ext + + conf.end_msg('ok') + return True + + +@conf +def CHECK_COMMAND(conf, cmd, msg=None, define=None, on_target=True, boolean=False): + '''run a command and return result''' + if msg is None: + msg = 'Checking %s' % ' '.join(cmd) + conf.COMPOUND_START(msg) + cmd = cmd[:] + if on_target: + cmd.extend(conf.SAMBA_CROSS_ARGS(msg=msg)) + try: + ret = get_string(Utils.cmd_output(cmd)) + except: + conf.COMPOUND_END(False) + return False + if boolean: + conf.COMPOUND_END('ok') + if define: + conf.DEFINE(define, '1') + else: + ret = ret.strip() + conf.COMPOUND_END(ret) + if define: + conf.DEFINE(define, ret, quote=True) + return ret + + +@conf +def CHECK_UNAME(conf): + '''setup SYSTEM_UNAME_* defines''' + ret = True + for v in "sysname machine release version".split(): + if not conf.CHECK_CODE(''' + int printf(const char *format, ...); + struct utsname n; + if (uname(&n) == -1) return -1; + printf("%%s", n.%s); + ''' % v, + define='SYSTEM_UNAME_%s' % v.upper(), + execute=True, + define_ret=True, + quote=True, + headers='sys/utsname.h', + local_include=False, + msg="Checking uname %s type" % v): + ret = False + return ret + +@conf +def CHECK_INLINE(conf): + '''check for the right value for inline''' + conf.COMPOUND_START('Checking for inline') + for i in ['inline', '__inline__', '__inline']: + ret = conf.CHECK_CODE(''' + typedef int foo_t; + static %s foo_t static_foo () {return 0; } + %s foo_t foo () {return 0; }\n''' % (i, i), + define='INLINE_MACRO', + addmain=False, + link=False) + if ret: + if i != 'inline': + conf.DEFINE('inline', i, quote=False) + break + if not ret: + conf.COMPOUND_END(ret) + else: + conf.COMPOUND_END(i) + return ret + +@conf +def CHECK_XSLTPROC_MANPAGES(conf): + '''check if xsltproc can run with the given stylesheets''' + + + if not conf.CONFIG_SET('XSLTPROC'): + conf.find_program('xsltproc', var='XSLTPROC') + if not conf.CONFIG_SET('XSLTPROC'): + return False + + s='http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl' + conf.CHECK_COMMAND('%s --nonet %s 2> /dev/null' % (conf.env.get_flat('XSLTPROC'), s), + msg='Checking for stylesheet %s' % s, + define='XSLTPROC_MANPAGES', on_target=False, + boolean=True) + if not conf.CONFIG_SET('XSLTPROC_MANPAGES'): + print("A local copy of the docbook.xsl wasn't found on your system" \ + " consider installing package like docbook-xsl") + +# +# Determine the standard libpath for the used compiler, +# so we can later use that to filter out these standard +# library paths when some tools like cups-config or +# python-config report standard lib paths with their +# ldflags (-L...) +# +@conf +def CHECK_STANDARD_LIBPATH(conf): + # at least gcc and clang support this: + try: + cmd = conf.env.CC + ['-print-search-dirs'] + out = get_string(Utils.cmd_output(cmd)).split('\n') + except ValueError: + # option not supported by compiler - use a standard list of directories + dirlist = [ '/usr/lib', '/usr/lib64' ] + except: + raise Errors.WafError('Unexpected error running "%s"' % (cmd)) + else: + dirlist = [] + for line in out: + line = line.strip() + if line.startswith("libraries: ="): + dirliststr = line[len("libraries: ="):] + dirlist = [ os.path.normpath(x) for x in dirliststr.split(':') ] + break + + conf.env.STANDARD_LIBPATH = dirlist + diff --git a/buildtools/wafsamba/samba_cross.py b/buildtools/wafsamba/samba_cross.py new file mode 100644 index 0000000..7ec1edc --- /dev/null +++ b/buildtools/wafsamba/samba_cross.py @@ -0,0 +1,175 @@ +# functions for handling cross-compilation + +import os, sys, re, shlex +from waflib import Utils, Logs, Options, Errors, Context +from waflib.Configure import conf +from wafsamba import samba_utils + +real_Popen = None + +ANSWER_UNKNOWN = (254, "") +ANSWER_NO = (1, "") +ANSWER_OK = (0, "") + +cross_answers_incomplete = False + + +def add_answer(ca_file, msg, answer): + '''add an answer to a set of cross answers''' + try: + f = open(ca_file, 'a') + except: + Logs.error("Unable to open cross-answers file %s" % ca_file) + sys.exit(1) + (retcode, retstring) = answer + # if retstring is more than one line then we probably + # don't care about its actual content (the tests should + # yield one-line output in order to comply with the cross-answer + # format) + retstring = retstring.strip() + if len(retstring.split('\n')) > 1: + retstring = '' + answer = (retcode, retstring) + + if answer == ANSWER_OK: + f.write('%s: OK\n' % msg) + elif answer == ANSWER_UNKNOWN: + f.write('%s: UNKNOWN\n' % msg) + elif answer == ANSWER_NO: + f.write('%s: NO\n' % msg) + else: + if retcode == 0: + f.write('%s: "%s"\n' % (msg, retstring)) + else: + f.write('%s: (%d, "%s")\n' % (msg, retcode, retstring)) + f.close() + + +def cross_answer(ca_file, msg): + '''return a (retcode,retstring) tuple from a answers file''' + try: + f = open(ca_file, 'r') + except: + return ANSWER_UNKNOWN + for line in f: + line = line.strip() + if line == '' or line[0] == '#': + continue + if line.find(':') != -1: + a = line.split(':', 1) + thismsg = a[0].strip() + if thismsg != msg: + continue + ans = a[1].strip() + if ans == "OK" or ans == "YES": + f.close() + return ANSWER_OK + elif ans == "UNKNOWN": + f.close() + return ANSWER_UNKNOWN + elif ans == "FAIL" or ans == "NO": + f.close() + return ANSWER_NO + elif ans[0] == '"': + f.close() + return (0, ans.strip('"')) + elif ans[0] == "'": + f.close() + return (0, ans.strip("'")) + else: + m = re.match(r'\(\s*(-?\d+)\s*,\s*\"(.*)\"\s*\)', ans) + if m: + f.close() + return (int(m.group(1)), m.group(2)) + else: + raise Errors.WafError("Bad answer format '%s' in %s" % (line, ca_file)) + f.close() + return ANSWER_UNKNOWN + + +class cross_Popen(Utils.subprocess.Popen): + '''cross-compilation wrapper for Popen''' + def __init__(*k, **kw): + (obj, args) = k + use_answers = False + ans = ANSWER_UNKNOWN + + # Three possibilities: + # 1. Only cross-answers - try the cross-answers file, and if + # there's no corresponding answer, add to the file and mark + # the configure process as unfinished. + # 2. Only cross-execute - get the answer from cross-execute + # 3. Both - try the cross-answers file, and if there is no + # corresponding answer - use cross-execute to get an answer, + # and add that answer to the file. + if '--cross-answers' in args: + # when --cross-answers is set, then change the arguments + # to use the cross answers if available + use_answers = True + i = args.index('--cross-answers') + ca_file = args[i+1] + msg = args[i+2] + ans = cross_answer(ca_file, msg) + + if '--cross-execute' in args and ans == ANSWER_UNKNOWN: + # when --cross-execute is set, then change the arguments + # to use the cross emulator + i = args.index('--cross-execute') + newargs = shlex.split(args[i+1]) + newargs.extend(args[0:i]) + if use_answers: + p = real_Popen(newargs, + stdout=Utils.subprocess.PIPE, + stderr=Utils.subprocess.PIPE, + env=kw.get('env', {})) + ce_out, ce_err = p.communicate() + ans = (p.returncode, samba_utils.get_string(ce_out)) + add_answer(ca_file, msg, ans) + else: + args = newargs + + if use_answers: + if ans == ANSWER_UNKNOWN: + global cross_answers_incomplete + cross_answers_incomplete = True + add_answer(ca_file, msg, ans) + (retcode, retstring) = ans + args = ['/bin/sh', '-c', "printf %%s '%s'; exit %d" % (retstring, retcode)] + real_Popen.__init__(*(obj, args), **kw) + + +@conf +def SAMBA_CROSS_ARGS(conf, msg=None): + '''get test_args to pass when running cross compiled binaries''' + if not conf.env.CROSS_COMPILE: + return [] + + global real_Popen + if real_Popen is None: + real_Popen = Utils.subprocess.Popen + Utils.subprocess.Popen = cross_Popen + Utils.run_process = Utils.run_regular_process + Utils.get_process = Utils.alloc_process_pool = Utils.nada + + ret = [] + + if conf.env.CROSS_EXECUTE: + ret.extend(['--cross-execute', conf.env.CROSS_EXECUTE]) + + if conf.env.CROSS_ANSWERS: + if msg is None: + raise Errors.WafError("Cannot have NULL msg in cross-answers") + ret.extend(['--cross-answers', os.path.join(Context.launch_dir, conf.env.CROSS_ANSWERS), msg]) + + if ret == []: + raise Errors.WafError("Cannot cross-compile without either --cross-execute or --cross-answers") + + return ret + +@conf +def SAMBA_CROSS_CHECK_COMPLETE(conf): + '''check if we have some unanswered questions''' + global cross_answers_incomplete + if conf.env.CROSS_COMPILE and cross_answers_incomplete: + raise Errors.WafError("Cross answers file %s is incomplete" % conf.env.CROSS_ANSWERS) + return True diff --git a/buildtools/wafsamba/samba_deps.py b/buildtools/wafsamba/samba_deps.py new file mode 100644 index 0000000..80379d3 --- /dev/null +++ b/buildtools/wafsamba/samba_deps.py @@ -0,0 +1,1314 @@ +# Samba automatic dependency handling and project rules + +import os, sys, re + +from waflib import Build, Options, Logs, Utils, Errors, Task +from waflib.Logs import debug +from waflib.Configure import conf +from waflib import ConfigSet + +from samba_utils import LOCAL_CACHE, TO_LIST, get_tgt_list, unique_list +from samba_autoconf import library_flags + +@conf +def ADD_GLOBAL_DEPENDENCY(ctx, dep): + '''add a dependency for all binaries and libraries''' + if not 'GLOBAL_DEPENDENCIES' in ctx.env: + ctx.env.GLOBAL_DEPENDENCIES = [] + ctx.env.GLOBAL_DEPENDENCIES.append(dep) + + +@conf +def BREAK_CIRCULAR_LIBRARY_DEPENDENCIES(ctx): + '''indicate that circular dependencies between libraries should be broken.''' + ctx.env.ALLOW_CIRCULAR_LIB_DEPENDENCIES = True + + +@conf +def SET_SYSLIB_DEPS(conf, target, deps): + '''setup some implied dependencies for a SYSLIB''' + cache = LOCAL_CACHE(conf, 'SYSLIB_DEPS') + cache[target] = deps + + +def expand_subsystem_deps(bld): + '''expand the reverse dependencies resulting from subsystem + attributes of modules. This is walking over the complete list + of declared subsystems, and expands the samba_deps_extended list for any + module<->subsystem dependencies''' + + subsystem_list = LOCAL_CACHE(bld, 'INIT_FUNCTIONS') + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + for subsystem_name in subsystem_list: + bld.ASSERT(subsystem_name in targets, "Subsystem target %s not declared" % subsystem_name) + type = targets[subsystem_name] + if type == 'DISABLED' or type == 'EMPTY': + continue + + # for example, + # subsystem_name = dcerpc_server (a subsystem) + # subsystem = dcerpc_server (a subsystem object) + # module_name = rpc_epmapper (a module within the dcerpc_server subsystem) + # module = rpc_epmapper (a module object within the dcerpc_server subsystem) + + subsystem = bld.get_tgen_by_name(subsystem_name) + bld.ASSERT(subsystem is not None, "Unable to find subsystem %s" % subsystem_name) + for d in subsystem_list[subsystem_name]: + module_name = d['TARGET'] + module_type = targets[module_name] + if module_type in ['DISABLED', 'EMPTY']: + continue + bld.ASSERT(subsystem is not None, + "Subsystem target %s for %s (%s) not found" % (subsystem_name, module_name, module_type)) + if module_type in ['SUBSYSTEM']: + # if a module is a plain object type (not a library) then the + # subsystem it is part of needs to have it as a dependency, so targets + # that depend on this subsystem get the modules of that subsystem + subsystem.samba_deps_extended.append(module_name) + subsystem.samba_deps_extended = unique_list(subsystem.samba_deps_extended) + + + +def build_dependencies(self): + '''This builds the dependency list for a target. It runs after all the targets are declared + + The reason this is not just done in the SAMBA_*() rules is that we have no way of knowing + the full dependency list for a target until we have all of the targets declared. + ''' + + if self.samba_type in ['LIBRARY', 'PLUGIN', 'BINARY', 'PYTHON']: + self.uselib = list(self.final_syslibs) + self.uselib_local = list(self.final_libs) + self.add_objects = list(self.final_objects) + + # extra link flags from pkg_config + libs = self.final_syslibs.copy() + + (cflags, ldflags, cpppath) = library_flags(self, list(libs)) + new_ldflags = getattr(self, 'samba_ldflags', [])[:] + new_ldflags.extend(ldflags) + self.ldflags = new_ldflags + + if getattr(self, 'allow_undefined_symbols', False) and self.env.undefined_ldflags: + for f in self.env.undefined_ldflags: + self.ldflags.remove(f) + + if getattr(self, 'allow_undefined_symbols', False) and self.env.undefined_ignore_ldflags: + for f in self.env.undefined_ignore_ldflags: + self.ldflags.append(f) + + debug('deps: computed dependencies for target %s: uselib=%s uselib_local=%s add_objects=%s', + self.sname, self.uselib, self.uselib_local, self.add_objects) + + if self.samba_type in ['SUBSYSTEM', 'BUILTIN']: + # this is needed for the cflags of libs that come from pkg_config + self.uselib = list(self.final_syslibs) + self.uselib.extend(list(self.direct_syslibs)) + for lib in self.final_libs: + t = self.bld.get_tgen_by_name(lib) + self.uselib.extend(list(t.final_syslibs)) + self.uselib = unique_list(self.uselib) + + if getattr(self, 'uselib', None): + up_list = [] + for l in self.uselib: + up_list.append(l.upper()) + self.uselib = up_list + + +def build_includes(self): + '''This builds the right set of includes for a target. + + One tricky part of this is that the includes= attribute for a + target needs to use paths which are relative to that targets + declaration directory (which we can get at via t.path). + + The way this works is the includes list gets added as + samba_includes in the main build task declaration. Then this + function runs after all of the tasks are declared, and it + processes the samba_includes attribute to produce a includes= + attribute + ''' + + if getattr(self, 'samba_includes', None) is None: + return + + bld = self.bld + + inc_deps = includes_objects(bld, self, set(), {}) + + includes = [] + + # maybe add local includes + if getattr(self, 'local_include', True) and getattr(self, 'local_include_first', True): + includes.append('.') + + includes.extend(self.samba_includes_extended) + + if 'EXTRA_INCLUDES' in bld.env and getattr(self, 'global_include', True): + includes.extend(bld.env['EXTRA_INCLUDES']) + + includes.append('#') + + inc_set = set() + inc_abs = [] + + for d in inc_deps: + t = bld.get_tgen_by_name(d) + bld.ASSERT(t is not None, "Unable to find dependency %s for %s" % (d, self.sname)) + inclist = getattr(t, 'samba_includes_extended', [])[:] + if getattr(t, 'local_include', True): + inclist.append('.') + if inclist == []: + continue + tpath = t.samba_abspath + for inc in inclist: + npath = tpath + '/' + inc + if not npath in inc_set: + inc_abs.append(npath) + inc_set.add(npath) + + mypath = self.path.abspath(bld.env) + for inc in inc_abs: + relpath = os.path.relpath(inc, mypath) + includes.append(relpath) + + if getattr(self, 'local_include', True) and not getattr(self, 'local_include_first', True): + includes.append('.') + + # now transform the includes list to be relative to the top directory + # which is represented by '#' in waf. This allows waf to cache the + # includes lists more efficiently + includes_top = [] + for i in includes: + if i[0] == '#': + # some are already top based + includes_top.append(i) + continue + absinc = os.path.join(self.path.abspath(), i) + relinc = os.path.relpath(absinc, self.bld.srcnode.abspath()) + includes_top.append('#' + relinc) + + self.includes = unique_list(includes_top) + debug('deps: includes for target %s: includes=%s', + self.sname, self.includes) + + +def add_init_functions(self): + '''This builds the right set of init functions''' + + bld = self.bld + + subsystems = LOCAL_CACHE(bld, 'INIT_FUNCTIONS') + + # cope with the separated object lists from BINARY and LIBRARY targets + sname = self.sname + if sname.endswith('.objlist'): + sname = sname[0:-8] + + modules = [] + if sname in subsystems: + modules.append(sname) + + m = getattr(self, 'samba_modules', None) + if m is not None: + modules.extend(TO_LIST(m)) + + m = getattr(self, 'samba_subsystem', None) + if m is not None: + modules.append(m) + + if 'pyembed' in self.features: + return + + sentinel = getattr(self, 'init_function_sentinel', 'NULL') + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + cflags = getattr(self, 'samba_cflags', [])[:] + + if modules == []: + sname = sname.replace('-','_') + sname = sname.replace('.','_') + sname = sname.replace('/','_') + cflags.append('-DSTATIC_%s_MODULES=%s' % (sname, sentinel)) + if sentinel == 'NULL': + proto = "extern void __%s_dummy_module_proto(void)" % (sname) + cflags.append('-DSTATIC_%s_MODULES_PROTO=%s' % (sname, proto)) + self.cflags = cflags + return + + for m in modules: + bld.ASSERT(m in subsystems, + "No init_function defined for module '%s' in target '%s'" % (m, self.sname)) + init_fn_list = [] + for d in subsystems[m]: + if targets[d['TARGET']] != 'DISABLED': + init_fn_list.append(d['INIT_FUNCTION']) + if init_fn_list == []: + cflags.append('-DSTATIC_%s_MODULES=%s' % (m, sentinel)) + if sentinel == 'NULL': + proto = "extern void __%s_dummy_module_proto(void)" % (m) + cflags.append('-DSTATIC_%s_MODULES_PROTO=%s' % (m, proto)) + else: + cflags.append('-DSTATIC_%s_MODULES=%s' % (m, ','.join(init_fn_list) + ',' + sentinel)) + proto = "".join('_MODULE_PROTO(%s)' % f for f in init_fn_list) +\ + "extern void __%s_dummy_module_proto(void)" % (m) + cflags.append('-DSTATIC_%s_MODULES_PROTO=%s' % (m, proto)) + self.cflags = cflags + + +def check_duplicate_sources(bld, tgt_list): + '''see if we are compiling the same source file more than once''' + + debug('deps: checking for duplicate sources') + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + for t in tgt_list: + source_list = TO_LIST(getattr(t, 'source', '')) + tpath = os.path.normpath(os.path.relpath(t.path.abspath(bld.env), t.env.BUILD_DIRECTORY + '/default')) + obj_sources = set() + for s in source_list: + if not isinstance(s, str): + print('strange path in check_duplicate_sources %r' % s) + s = s.abspath() + p = os.path.normpath(os.path.join(tpath, s)) + if p in obj_sources: + Logs.error("ERROR: source %s appears twice in target '%s'" % (p, t.sname)) + sys.exit(1) + obj_sources.add(p) + t.samba_source_set = obj_sources + + subsystems = {} + + # build a list of targets that each source file is part of + for t in tgt_list: + if not targets[t.sname] in [ 'LIBRARY', 'PLUGIN', 'BINARY', 'PYTHON' ]: + continue + for obj in t.add_objects: + t2 = t.bld.get_tgen_by_name(obj) + source_set = getattr(t2, 'samba_source_set', set()) + for s in source_set: + if not s in subsystems: + subsystems[s] = {} + if not t.sname in subsystems[s]: + subsystems[s][t.sname] = [] + subsystems[s][t.sname].append(t2.sname) + + for s in subsystems: + if len(subsystems[s]) > 1 and Options.options.SHOW_DUPLICATES: + Logs.warn("WARNING: source %s is in more than one target: %s" % (s, subsystems[s].keys())) + for tname in subsystems[s]: + if len(subsystems[s][tname]) > 1: + raise Errors.WafError("ERROR: source %s is in more than one subsystem of target '%s': %s" % (s, tname, subsystems[s][tname])) + + return True + +def check_group_ordering(bld, tgt_list): + '''see if we have any dependencies that violate the group ordering + + It is an error for a target to depend on a target from a later + build group + ''' + + def group_name(g): + tm = bld.task_manager + return [x for x in tm.groups_names if id(tm.groups_names[x]) == id(g)][0] + + for g in bld.task_manager.groups: + gname = group_name(g) + for t in g.tasks_gen: + t.samba_group = gname + + grp_map = {} + idx = 0 + for g in bld.task_manager.groups: + name = group_name(g) + grp_map[name] = idx + idx += 1 + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + ret = True + for t in tgt_list: + tdeps = getattr(t, 'add_objects', []) + getattr(t, 'uselib_local', []) + for d in tdeps: + t2 = bld.get_tgen_by_name(d) + if t2 is None: + continue + map1 = grp_map[t.samba_group] + map2 = grp_map[t2.samba_group] + + if map2 > map1: + Logs.error("Target %r in build group %r depends on target %r from later build group %r" % ( + t.sname, t.samba_group, t2.sname, t2.samba_group)) + ret = False + + return ret +Build.BuildContext.check_group_ordering = check_group_ordering + +def show_final_deps(bld, tgt_list): + '''show the final dependencies for all targets''' + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + for t in tgt_list: + if not targets[t.sname] in ['LIBRARY', 'PLUGIN', 'BINARY', 'PYTHON', 'SUBSYSTEM', 'BUILTIN']: + continue + debug('deps: final dependencies for target %s: uselib=%s uselib_local=%s add_objects=%s', + t.sname, t.uselib, getattr(t, 'uselib_local', []), getattr(t, 'add_objects', [])) + + +def add_samba_attributes(bld, tgt_list): + '''ensure a target has the required samba attributes''' + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + for t in tgt_list: + if t.name != '': + t.sname = t.name + else: + t.sname = t.target + t.samba_type = targets[t.sname] + t.samba_abspath = t.path.abspath(bld.env) + t.samba_deps_extended = t.samba_deps[:] + t.samba_includes_extended = TO_LIST(t.samba_includes)[:] + t.cflags = getattr(t, 'samba_cflags', '') + +def replace_builtin_subsystem_deps(bld, tgt_list): + '''replace dependencies based on builtin subsystems/libraries + + ''' + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + # If either the target or the dependency require builtin linking + # we should replace the dependency + for t in tgt_list: + t_require_builtin_deps = getattr(t, 'samba_require_builtin_deps', False) + if t_require_builtin_deps: + debug("deps: target %s: requires builtin dependencies..." % (t.sname)) + else: + debug("deps: target %s: does not require builtin dependencies..." % (t.sname)) + + replacing = {} + + for dep in t.samba_deps_extended: + bld.ASSERT(dep in targets, "target %s: dependency target %s not declared" % (t.sname, dep)) + dtype = targets[dep] + bld.ASSERT(dtype != 'BUILTIN', "target %s: dependency target %s is BUILTIN" % (t.sname, dep)) + bld.ASSERT(dtype != 'PLUGIN', "target %s: dependency target %s is PLUGIN" % (t.sname, dep)) + if dtype not in ['SUBSYSTEM', 'LIBRARY']: + debug("deps: target %s: keep %s dependency %s" % (t.sname, dtype, dep)) + continue + dt = bld.get_tgen_by_name(dep) + bld.ASSERT(dt is not None, "target %s: dependency target %s not found by name" % (t.sname, dep)) + dt_require_builtin_deps = getattr(dt, 'samba_require_builtin_deps', False) + if not dt_require_builtin_deps and not t_require_builtin_deps: + # both target and dependency don't require builtin linking + continue + sdt = getattr(dt, 'samba_builtin_subsystem', None) + if not t_require_builtin_deps: + if sdt is None: + debug("deps: target %s: dependency %s requires builtin deps only" % (t.sname, dep)) + continue + debug("deps: target %s: dependency %s requires builtin linking" % (t.sname, dep)) + bld.ASSERT(sdt is not None, "target %s: dependency target %s is missing samba_builtin_subsystem" % (t.sname, dep)) + sdep = sdt.sname + bld.ASSERT(sdep in targets, "target %s: builtin dependency target %s (from %s) not declared" % (t.sname, sdep, dep)) + sdt = targets[sdep] + bld.ASSERT(sdt == 'BUILTIN', "target %s: builtin dependency target %s (from %s) is not BUILTIN" % (t.sname, sdep, dep)) + replacing[dep] = sdep + + for i in range(len(t.samba_deps_extended)): + dep = t.samba_deps_extended[i] + if dep in replacing: + sdep = replacing[dep] + debug("deps: target %s: replacing dependency %s with builtin subsystem %s" % (t.sname, dep, sdep)) + t.samba_deps_extended[i] = sdep + +def replace_grouping_libraries(bld, tgt_list): + '''replace dependencies based on grouping libraries + + If a library is marked as a grouping library, then any target that + depends on a subsystem that is part of that grouping library gets + that dependency replaced with a dependency on the grouping library + ''' + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + grouping = {} + + # find our list of grouping libraries, mapped from the subsystems they depend on + for t in tgt_list: + if not getattr(t, 'grouping_library', False): + continue + for dep in t.samba_deps_extended: + bld.ASSERT(dep in targets, "grouping library target %s not declared in %s" % (dep, t.sname)) + if targets[dep] == 'SUBSYSTEM': + grouping[dep] = t.sname + + # now replace any dependencies on elements of grouping libraries + for t in tgt_list: + for i in range(len(t.samba_deps_extended)): + dep = t.samba_deps_extended[i] + if dep in grouping: + if t.sname != grouping[dep]: + debug("deps: target %s: replacing dependency %s with grouping library %s" % (t.sname, dep, grouping[dep])) + t.samba_deps_extended[i] = grouping[dep] + + + +def build_direct_deps(bld, tgt_list): + '''build the direct_objects and direct_libs sets for each target''' + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + syslib_deps = LOCAL_CACHE(bld, 'SYSLIB_DEPS') + + global_deps = bld.env.GLOBAL_DEPENDENCIES + global_deps_exclude = set() + for dep in global_deps: + t = bld.get_tgen_by_name(dep) + for d in t.samba_deps: + # prevent loops from the global dependencies list + global_deps_exclude.add(d) + global_deps_exclude.add(d + '.objlist') + + for t in tgt_list: + t.direct_objects = set() + t.direct_libs = set() + t.direct_syslibs = set() + deps = t.samba_deps_extended[:] + if getattr(t, 'samba_use_global_deps', False) and not t.sname in global_deps_exclude: + deps.extend(global_deps) + for d in deps: + if d == t.sname: continue + if not d in targets: + Logs.error("Unknown dependency '%s' in '%s'" % (d, t.sname)) + sys.exit(1) + if targets[d] in [ 'EMPTY', 'DISABLED' ]: + continue + if targets[d] == 'PYTHON' and targets[t.sname] != 'PYTHON' and t.sname.find('.objlist') == -1: + # this check should be more restrictive, but for now we have pidl-generated python + # code that directly depends on other python modules + Logs.error('ERROR: Target %s has dependency on python module %s' % (t.sname, d)) + sys.exit(1) + if targets[d] == 'SYSLIB': + t.direct_syslibs.add(d) + if d in syslib_deps: + for implied in TO_LIST(syslib_deps[d]): + if targets[implied] == 'SUBSYSTEM': + it = bld.get_tgen_by_name(implied) + sit = getattr(it, 'samba_builtin_subsystem', None) + if sit: + implied = sit.sname + if targets[implied] == 'BUILTIN': + t.direct_objects.add(implied) + elif targets[implied] == 'SYSLIB': + t.direct_syslibs.add(implied) + elif targets[implied] in ['LIBRARY', 'MODULE']: + t.direct_libs.add(implied) + else: + Logs.error('Implied dependency %s in %s is of type %s' % ( + implied, t.sname, targets[implied])) + sys.exit(1) + continue + t2 = bld.get_tgen_by_name(d) + if t2 is None: + Logs.error("no task %s of type %s in %s" % (d, targets[d], t.sname)) + sys.exit(1) + if t2.samba_type in [ 'LIBRARY', 'MODULE' ]: + t.direct_libs.add(d) + elif t2.samba_type in [ 'SUBSYSTEM', 'BUILTIN', 'ASN1', 'PYTHON' ]: + t.direct_objects.add(d) + elif t2.samba_type in [ 'PLUGIN' ]: + Logs.error('Implicit dependency %s in %s is of type %s' % ( + d, t.sname, t2.samba_type)) + sys.exit(1) + + debug('deps: built direct dependencies') + + +def dependency_loop(loops, t, target): + '''add a dependency loop to the loops dictionary''' + if t.sname == target: + return + if not target in loops: + loops[target] = set() + if not t.sname in loops[target]: + loops[target].add(t.sname) + + +def indirect_libs(bld, t, chain, loops): + '''recursively calculate the indirect library dependencies for a target + + An indirect library is a library that results from a dependency on + a subsystem + ''' + + ret = getattr(t, 'indirect_libs', None) + if ret is not None: + return ret + + ret = set() + for obj in t.direct_objects: + if obj in chain: + dependency_loop(loops, t, obj) + continue + chain.add(obj) + t2 = bld.get_tgen_by_name(obj) + r2 = indirect_libs(bld, t2, chain, loops) + chain.remove(obj) + ret = ret.union(t2.direct_libs) + ret = ret.union(r2) + + for obj in indirect_objects(bld, t, set(), loops): + if obj in chain: + dependency_loop(loops, t, obj) + continue + chain.add(obj) + t2 = bld.get_tgen_by_name(obj) + r2 = indirect_libs(bld, t2, chain, loops) + chain.remove(obj) + ret = ret.union(t2.direct_libs) + ret = ret.union(r2) + + t.indirect_libs = ret + + return ret + + +def indirect_objects(bld, t, chain, loops): + '''recursively calculate the indirect object dependencies for a target + + indirect objects are the set of objects from expanding the + subsystem dependencies + ''' + + ret = getattr(t, 'indirect_objects', None) + if ret is not None: return ret + + ret = set() + for lib in t.direct_objects: + if lib in chain: + dependency_loop(loops, t, lib) + continue + chain.add(lib) + t2 = bld.get_tgen_by_name(lib) + r2 = indirect_objects(bld, t2, chain, loops) + chain.remove(lib) + ret = ret.union(t2.direct_objects) + ret = ret.union(r2) + + t.indirect_objects = ret + return ret + + +def extended_objects(bld, t, chain): + '''recursively calculate the extended object dependencies for a target + + extended objects are the union of: + - direct objects + - indirect objects + - direct and indirect objects of all direct and indirect libraries + ''' + + ret = getattr(t, 'extended_objects', None) + if ret is not None: return ret + + ret = set() + ret = ret.union(t.final_objects) + + for lib in t.final_libs: + if lib in chain: + continue + t2 = bld.get_tgen_by_name(lib) + chain.add(lib) + r2 = extended_objects(bld, t2, chain) + chain.remove(lib) + ret = ret.union(t2.final_objects) + ret = ret.union(r2) + + t.extended_objects = ret + return ret + + +def includes_objects(bld, t, chain, inc_loops): + '''recursively calculate the includes object dependencies for a target + + includes dependencies come from either library or object dependencies + ''' + ret = getattr(t, 'includes_objects', None) + if ret is not None: + return ret + + ret = t.direct_objects.copy() + ret = ret.union(t.direct_libs) + + for obj in t.direct_objects: + if obj in chain: + dependency_loop(inc_loops, t, obj) + continue + chain.add(obj) + t2 = bld.get_tgen_by_name(obj) + r2 = includes_objects(bld, t2, chain, inc_loops) + chain.remove(obj) + ret = ret.union(t2.direct_objects) + ret = ret.union(r2) + + for lib in t.direct_libs: + if lib in chain: + dependency_loop(inc_loops, t, lib) + continue + chain.add(lib) + t2 = bld.get_tgen_by_name(lib) + if t2 is None: + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + Logs.error('Target %s of type %s not found in direct_libs for %s' % ( + lib, targets[lib], t.sname)) + sys.exit(1) + r2 = includes_objects(bld, t2, chain, inc_loops) + chain.remove(lib) + ret = ret.union(t2.direct_objects) + ret = ret.union(r2) + + t.includes_objects = ret + return ret + + +def break_dependency_loops(bld, tgt_list): + '''find and break dependency loops''' + loops = {} + inc_loops = {} + + # build up the list of loops + for t in tgt_list: + indirect_objects(bld, t, set(), loops) + indirect_libs(bld, t, set(), loops) + includes_objects(bld, t, set(), inc_loops) + + # break the loops + for t in tgt_list: + if t.sname in loops: + for attr in ['direct_objects', 'indirect_objects', 'direct_libs', 'indirect_libs']: + objs = getattr(t, attr, set()) + setattr(t, attr, objs.difference(loops[t.sname])) + + for loop in loops: + debug('deps: Found dependency loops for target %s : %s', loop, loops[loop]) + + for loop in inc_loops: + debug('deps: Found include loops for target %s : %s', loop, inc_loops[loop]) + + # expand the loops mapping by one level + for loop in loops.copy(): + for tgt in loops[loop]: + if tgt in loops: + loops[loop] = loops[loop].union(loops[tgt]) + + for loop in inc_loops.copy(): + for tgt in inc_loops[loop]: + if tgt in inc_loops: + inc_loops[loop] = inc_loops[loop].union(inc_loops[tgt]) + + + # expand indirect subsystem and library loops + for loop in loops.copy(): + t = bld.get_tgen_by_name(loop) + if t.samba_type in ['SUBSYSTEM', 'BUILTIN']: + loops[loop] = loops[loop].union(t.indirect_objects) + loops[loop] = loops[loop].union(t.direct_objects) + if t.samba_type in ['LIBRARY', 'PLUGIN', 'PYTHON']: + loops[loop] = loops[loop].union(t.indirect_libs) + loops[loop] = loops[loop].union(t.direct_libs) + if loop in loops[loop]: + loops[loop].remove(loop) + + # expand indirect includes loops + for loop in inc_loops.copy(): + t = bld.get_tgen_by_name(loop) + inc_loops[loop] = inc_loops[loop].union(t.includes_objects) + if loop in inc_loops[loop]: + inc_loops[loop].remove(loop) + + # add in the replacement dependencies + for t in tgt_list: + for loop in loops: + for attr in ['indirect_objects', 'indirect_libs']: + objs = getattr(t, attr, set()) + if loop in objs: + diff = loops[loop].difference(objs) + if t.sname in diff: + diff.remove(t.sname) + if diff: + debug('deps: Expanded target %s of type %s from loop %s by %s', t.sname, t.samba_type, loop, diff) + objs = objs.union(diff) + setattr(t, attr, objs) + + for loop in inc_loops: + objs = getattr(t, 'includes_objects', set()) + if loop in objs: + diff = inc_loops[loop].difference(objs) + if t.sname in diff: + diff.remove(t.sname) + if diff: + debug('deps: Expanded target %s includes of type %s from loop %s by %s', t.sname, t.samba_type, loop, diff) + objs = objs.union(diff) + setattr(t, 'includes_objects', objs) + + +def reduce_objects(bld, tgt_list): + '''reduce objects by looking for indirect object dependencies''' + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + rely_on = {} + + for t in tgt_list: + t.extended_objects = None + + changed = False + + for type in ['BINARY', 'PYTHON', 'LIBRARY', 'PLUGIN']: + for t in tgt_list: + if t.samba_type != type: continue + # if we will indirectly link to a target then we don't need it + new = t.final_objects.copy() + for l in t.final_libs: + t2 = bld.get_tgen_by_name(l) + t2_obj = extended_objects(bld, t2, set()) + dup = new.intersection(t2_obj) + if t.sname in rely_on: + dup = dup.difference(rely_on[t.sname]) + if dup: + # Do not remove duplicates of BUILTINS + for d in iter(dup.copy()): + dtype = targets[d] + if dtype == 'BUILTIN': + debug('deps: BUILTIN SKIP: removing dups from %s of type %s: %s also in %s %s', + t.sname, t.samba_type, d, t2.samba_type, l) + dup.remove(d) + if len(dup) == 0: + continue + + debug('deps: removing dups from %s of type %s: %s also in %s %s', + t.sname, t.samba_type, dup, t2.samba_type, l) + new = new.difference(dup) + changed = True + if not l in rely_on: + rely_on[l] = set() + rely_on[l] = rely_on[l].union(dup) + for n in iter(new.copy()): + # if we got the builtin version as well + # as the native one, we keep using the + # builtin one and remove the rest. + # Otherwise our check_duplicate_sources() + # checks would trigger! + if n.endswith('.builtin.objlist'): + unused = n.replace('.builtin.objlist', '.objlist') + if unused in new: + new.remove(unused) + unused = n.replace('.builtin.objlist', '') + if unused in new: + new.remove(unused) + t.final_objects = new + + if not changed: + return False + + # add back in any objects that were relied upon by the reduction rules + for r in rely_on: + t = bld.get_tgen_by_name(r) + t.final_objects = t.final_objects.union(rely_on[r]) + + return True + + +def show_library_loop(bld, lib1, lib2, path, seen): + '''show the detailed path of a library loop between lib1 and lib2''' + + t = bld.get_tgen_by_name(lib1) + if not lib2 in getattr(t, 'final_libs', set()): + return + + for d in t.samba_deps_extended: + if d in seen: + continue + seen.add(d) + path2 = path + '=>' + d + if d == lib2: + Logs.warn('library loop path: ' + path2) + return + show_library_loop(bld, d, lib2, path2, seen) + seen.remove(d) + + +def calculate_final_deps(bld, tgt_list, loops): + '''calculate the final library and object dependencies''' + for t in tgt_list: + # start with the maximum possible list + t.final_libs = t.direct_libs.union(indirect_libs(bld, t, set(), loops)) + t.final_objects = t.direct_objects.union(indirect_objects(bld, t, set(), loops)) + + for t in tgt_list: + # don't depend on ourselves + if t.sname in t.final_libs: + t.final_libs.remove(t.sname) + if t.sname in t.final_objects: + t.final_objects.remove(t.sname) + + # handle any non-shared binaries + for t in tgt_list: + if t.samba_type == 'BINARY' and bld.NONSHARED_BINARY(t.sname): + subsystem_list = LOCAL_CACHE(bld, 'INIT_FUNCTIONS') + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + # replace lib deps with objlist deps + for l in t.final_libs: + objname = l + '.objlist' + t2 = bld.get_tgen_by_name(objname) + if t2 is None: + Logs.error('ERROR: subsystem %s not found' % objname) + sys.exit(1) + t.final_objects.add(objname) + t.final_objects = t.final_objects.union(extended_objects(bld, t2, set())) + if l in subsystem_list: + # its a subsystem - we also need the contents of any modules + for d in subsystem_list[l]: + module_name = d['TARGET'] + if targets[module_name] == 'LIBRARY': + objname = module_name + '.objlist' + elif targets[module_name] == 'SUBSYSTEM': + objname = module_name + else: + continue + t2 = bld.get_tgen_by_name(objname) + if t2 is None: + Logs.error('ERROR: subsystem %s not found' % objname) + sys.exit(1) + t.final_objects.add(objname) + t.final_objects = t.final_objects.union(extended_objects(bld, t2, set())) + t.final_libs = set() + + # find any library loops + for t in tgt_list: + if t.samba_type in ['LIBRARY', 'PYTHON']: + for l in t.final_libs.copy(): + t2 = bld.get_tgen_by_name(l) + if t.sname in t2.final_libs: + if getattr(bld.env, "ALLOW_CIRCULAR_LIB_DEPENDENCIES", False): + # we could break this in either direction. If one of the libraries + # has a version number, and will this be distributed publicly, then + # we should make it the lower level library in the DAG + Logs.warn('deps: removing library loop %s from %s' % (t.sname, t2.sname)) + dependency_loop(loops, t, t2.sname) + t2.final_libs.remove(t.sname) + else: + Logs.error('ERROR: circular library dependency between %s and %s' + % (t.sname, t2.sname)) + show_library_loop(bld, t.sname, t2.sname, t.sname, set()) + show_library_loop(bld, t2.sname, t.sname, t2.sname, set()) + sys.exit(1) + + for loop in loops: + debug('deps: Found dependency loops for target %s : %s', loop, loops[loop]) + + # we now need to make corrections for any library loops we broke up + # any target that depended on the target of the loop and doesn't + # depend on the source of the loop needs to get the loop source added + for type in ['BINARY','PYTHON','LIBRARY','PLUGIN','BINARY']: + for t in tgt_list: + if t.samba_type != type: continue + for loop in loops: + if loop in t.final_libs: + diff = loops[loop].difference(t.final_libs) + if t.sname in diff: + diff.remove(t.sname) + if t.sname in diff: + diff.remove(t.sname) + # make sure we don't recreate the loop again! + for d in diff.copy(): + t2 = bld.get_tgen_by_name(d) + if t2.samba_type == 'LIBRARY': + if t.sname in t2.final_libs: + debug('deps: removing expansion %s from %s', d, t.sname) + diff.remove(d) + if diff: + debug('deps: Expanded target %s by loop %s libraries (loop %s) %s', t.sname, loop, + loops[loop], diff) + t.final_libs = t.final_libs.union(diff) + + # remove objects that are also available in linked libs + count = 0 + while reduce_objects(bld, tgt_list): + count += 1 + if count > 100: + Logs.warn("WARNING: Unable to remove all inter-target object duplicates") + break + debug('deps: Object reduction took %u iterations', count) + + # add in any syslib dependencies + for t in tgt_list: + if not t.samba_type in ['BINARY','PYTHON','LIBRARY','PLUGIN','SUBSYSTEM','BUILTIN']: + continue + syslibs = set() + for d in t.final_objects: + t2 = bld.get_tgen_by_name(d) + syslibs = syslibs.union(t2.direct_syslibs) + # this adds the indirect syslibs as well, which may not be needed + # depending on the linker flags + for d in t.final_libs: + t2 = bld.get_tgen_by_name(d) + syslibs = syslibs.union(t2.direct_syslibs) + t.final_syslibs = syslibs + + + # find any unresolved library loops + lib_loop_error = False + for t in tgt_list: + if t.samba_type in ['LIBRARY', 'PLUGIN', 'PYTHON']: + for l in t.final_libs.copy(): + t2 = bld.get_tgen_by_name(l) + if t.sname in t2.final_libs: + Logs.error('ERROR: Unresolved library loop %s from %s' % (t.sname, t2.sname)) + lib_loop_error = True + if lib_loop_error: + sys.exit(1) + + debug('deps: removed duplicate dependencies') + + +def show_dependencies(bld, target, seen): + '''recursively show the dependencies of target''' + + if target in seen: + return + + t = bld.get_tgen_by_name(target) + if t is None: + Logs.error("ERROR: Unable to find target '%s'" % target) + sys.exit(1) + + Logs.info('%s(OBJECTS): %s' % (target, t.direct_objects)) + Logs.info('%s(LIBS): %s' % (target, t.direct_libs)) + Logs.info('%s(SYSLIBS): %s' % (target, t.direct_syslibs)) + + seen.add(target) + + for t2 in t.direct_objects: + show_dependencies(bld, t2, seen) + + +def show_object_duplicates(bld, tgt_list): + '''show a list of object files that are included in more than + one library or binary''' + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + used_by = {} + + Logs.info("showing duplicate objects") + + for t in tgt_list: + if not targets[t.sname] in [ 'LIBRARY', 'PYTHON' ]: + continue + for n in getattr(t, 'final_objects', set()): + t2 = bld.get_tgen_by_name(n) + if not n in used_by: + used_by[n] = set() + used_by[n].add(t.sname) + + for n in used_by: + if len(used_by[n]) > 1: + Logs.info("target '%s' is used by %s" % (n, used_by[n])) + + Logs.info("showing indirect dependency counts (sorted by count)") + + def indirect_count(t): + return len(t.indirect_objects) + + sorted_list = sorted(tgt_list, key=indirect_count, reverse=True) + for t in sorted_list: + if len(t.indirect_objects) > 1: + Logs.info("%s depends on %u indirect objects" % (t.sname, len(t.indirect_objects))) + + +###################################################################### +# this provides a way to save our dependency calculations between runs +savedeps_version = 3 +savedeps_inputs = ['samba_deps', 'samba_includes', 'local_include', 'local_include_first', 'samba_cflags', + 'source', 'grouping_library', 'samba_ldflags', 'allow_undefined_symbols', + 'use_global_deps', 'global_include' ] +savedeps_outputs = ['uselib', 'uselib_local', 'add_objects', 'includes', + 'cflags', 'ldflags', 'samba_deps_extended', 'final_libs'] +savedeps_outenv = ['INC_PATHS'] +savedeps_envvars = ['NONSHARED_BINARIES', 'GLOBAL_DEPENDENCIES', 'EXTRA_CFLAGS', 'EXTRA_LDFLAGS', 'EXTRA_INCLUDES' ] +savedeps_caches = ['GLOBAL_DEPENDENCIES', 'TARGET_TYPE', 'INIT_FUNCTIONS', 'SYSLIB_DEPS'] +savedeps_files = ['buildtools/wafsamba/samba_deps.py'] + +def save_samba_deps(bld, tgt_list): + '''save the dependency calculations between builds, to make + further builds faster''' + denv = ConfigSet.ConfigSet() + + denv.version = savedeps_version + denv.savedeps_inputs = savedeps_inputs + denv.savedeps_outputs = savedeps_outputs + denv.input = {} + denv.output = {} + denv.outenv = {} + denv.caches = {} + denv.envvar = {} + denv.files = {} + + for f in savedeps_files: + denv.files[f] = os.stat(os.path.join(bld.srcnode.abspath(), f)).st_mtime + + for c in savedeps_caches: + denv.caches[c] = LOCAL_CACHE(bld, c) + + for e in savedeps_envvars: + denv.envvar[e] = bld.env[e] + + for t in tgt_list: + # save all the input attributes for each target + tdeps = {} + for attr in savedeps_inputs: + v = getattr(t, attr, None) + if v is not None: + tdeps[attr] = v + if tdeps != {}: + denv.input[t.sname] = tdeps + + # save all the output attributes for each target + tdeps = {} + for attr in savedeps_outputs: + v = getattr(t, attr, None) + if v is not None: + tdeps[attr] = v + if tdeps != {}: + denv.output[t.sname] = tdeps + + tdeps = {} + for attr in savedeps_outenv: + if attr in t.env: + tdeps[attr] = t.env[attr] + if tdeps != {}: + denv.outenv[t.sname] = tdeps + + depsfile = os.path.join(bld.cache_dir, "sambadeps") + denv.store_fast(depsfile) + + + +def load_samba_deps(bld, tgt_list): + '''load a previous set of build dependencies if possible''' + depsfile = os.path.join(bld.cache_dir, "sambadeps") + denv = ConfigSet.ConfigSet() + try: + debug('deps: checking saved dependencies') + denv.load_fast(depsfile) + if (denv.version != savedeps_version or + denv.savedeps_inputs != savedeps_inputs or + denv.savedeps_outputs != savedeps_outputs): + return False + except Exception: + return False + + # check if critical files have changed + for f in savedeps_files: + if f not in denv.files: + return False + if denv.files[f] != os.stat(os.path.join(bld.srcnode.abspath(), f)).st_mtime: + return False + + # check if caches are the same + for c in savedeps_caches: + if c not in denv.caches or denv.caches[c] != LOCAL_CACHE(bld, c): + return False + + # check if caches are the same + for e in savedeps_envvars: + if e not in denv.envvar or denv.envvar[e] != bld.env[e]: + return False + + # check inputs are the same + for t in tgt_list: + tdeps = {} + for attr in savedeps_inputs: + v = getattr(t, attr, None) + if v is not None: + tdeps[attr] = v + if t.sname in denv.input: + olddeps = denv.input[t.sname] + else: + olddeps = {} + if tdeps != olddeps: + #print '%s: \ntdeps=%s \nodeps=%s' % (t.sname, tdeps, olddeps) + return False + + # put outputs in place + for t in tgt_list: + if not t.sname in denv.output: continue + tdeps = denv.output[t.sname] + for a in tdeps: + setattr(t, a, tdeps[a]) + + # put output env vars in place + for t in tgt_list: + if not t.sname in denv.outenv: continue + tdeps = denv.outenv[t.sname] + for a in tdeps: + t.env[a] = tdeps[a] + + debug('deps: loaded saved dependencies') + return True + + +def generate_clangdb(bld): + classes = [] + for x in ('c', 'cxx'): + cls = Task.classes.get(x) + if cls: + classes.append(cls) + task_classes = tuple(classes) + + tasks = [] + for g in bld.groups: + for tg in g: + if isinstance(tg, Task.Task): + lst = [tg] + else: + lst = tg.tasks + for task in lst: + try: + task.last_cmd + except AttributeError: + continue + if isinstance(task, task_classes): + tasks.append(task) + if len(tasks) == 0: + return + + database_file = bld.bldnode.make_node('compile_commands.json') + Logs.info('Build commands will be stored in %s', + database_file.path_from(bld.path)) + try: + root = database_file.read_json() + except IOError: + root = [] + clang_db = dict((x['file'], x) for x in root) + for task in tasks: + f_node = task.inputs[0] + cmd = task.last_cmd + filename = f_node.path_from(task.get_cwd()) + entry = { + "directory": task.get_cwd().abspath(), + "arguments": cmd, + "file": filename, + } + clang_db[filename] = entry + root = list(clang_db.values()) + database_file.write_json(root) + + +def check_project_rules(bld): + '''check the project rules - ensuring the targets are sane''' + + loops = {} + inc_loops = {} + + tgt_list = get_tgt_list(bld) + + add_samba_attributes(bld, tgt_list) + + force_project_rules = (Options.options.SHOWDEPS or + Options.options.SHOW_DUPLICATES) + + if not force_project_rules and load_samba_deps(bld, tgt_list): + return + + timer = Utils.Timer() + + bld.new_rules = True + Logs.info("Checking project rules ...") + + debug('deps: project rules checking started') + + replace_builtin_subsystem_deps(bld, tgt_list) + + debug("deps: replace_builtin_subsystem_deps: %s" % str(timer)) + + expand_subsystem_deps(bld) + + debug("deps: expand_subsystem_deps: %s" % str(timer)) + + replace_grouping_libraries(bld, tgt_list) + + debug("deps: replace_grouping_libraries: %s" % str(timer)) + + build_direct_deps(bld, tgt_list) + + debug("deps: build_direct_deps: %s" % str(timer)) + + break_dependency_loops(bld, tgt_list) + + debug("deps: break_dependency_loops: %s" % str(timer)) + + if Options.options.SHOWDEPS: + show_dependencies(bld, Options.options.SHOWDEPS, set()) + + calculate_final_deps(bld, tgt_list, loops) + + debug("deps: calculate_final_deps: %s" % str(timer)) + + if Options.options.SHOW_DUPLICATES: + show_object_duplicates(bld, tgt_list) + + # run the various attribute generators + for f in [ build_dependencies, build_includes, add_init_functions ]: + debug('deps: project rules checking %s', f) + for t in tgt_list: f(t) + debug("deps: %s: %s" % (f, str(timer))) + + debug('deps: project rules stage1 completed') + + if not check_duplicate_sources(bld, tgt_list): + Logs.error("Duplicate sources present - aborting") + sys.exit(1) + + debug("deps: check_duplicate_sources: %s" % str(timer)) + + if not bld.check_group_ordering(tgt_list): + Logs.error("Bad group ordering - aborting") + sys.exit(1) + + debug("deps: check_group_ordering: %s" % str(timer)) + + show_final_deps(bld, tgt_list) + + debug("deps: show_final_deps: %s" % str(timer)) + + debug('deps: project rules checking completed - %u targets checked', + len(tgt_list)) + + if not bld.is_install: + save_samba_deps(bld, tgt_list) + + debug("deps: save_samba_deps: %s" % str(timer)) + + Logs.info("Project rules pass") + + if bld.cmd == 'build': + Task.Task.keep_last_cmd = True + bld.add_post_fun(generate_clangdb) + + +def CHECK_PROJECT_RULES(bld): + '''enable checking of project targets for sanity''' + if bld.env.added_project_rules: + return + bld.env.added_project_rules = True + bld.add_pre_fun(check_project_rules) +Build.BuildContext.CHECK_PROJECT_RULES = CHECK_PROJECT_RULES + + diff --git a/buildtools/wafsamba/samba_dist.py b/buildtools/wafsamba/samba_dist.py new file mode 100644 index 0000000..0218cad --- /dev/null +++ b/buildtools/wafsamba/samba_dist.py @@ -0,0 +1,280 @@ +# customised version of 'waf dist' for Samba tools +# uses git ls-files to get file lists + +import os, sys, tarfile +from waflib import Utils, Scripting, Logs, Options +from waflib.Configure import conf +from samba_utils import get_string +from waflib import Context + +dist_dirs = None +dist_files = None +dist_blacklist = "" +dist_archive = None + +class Dist(Context.Context): + # TODO remove + cmd = 'dist' + fun = 'dist' + def execute(self): + Context.g_module.dist() + +class DistCheck(Scripting.DistCheck): + fun = 'distcheck' + cmd = 'distcheck' + def execute(self): + Options.options.distcheck_args = '' + if Context.g_module.distcheck is Scripting.distcheck: + # default + Context.g_module.distcheck(self) + else: + Context.g_module.distcheck() + Context.g_module.dist() + self.check() + def get_arch_name(self): + global dist_archive + return dist_archive + def make_distcheck_cmd(self, tmpdir): + waf = os.path.abspath(sys.argv[0]) + return [sys.executable, waf, 'configure', 'build', 'install', 'uninstall', '--destdir=' + tmpdir] + +def add_symlink(tar, fname, abspath, basedir): + '''handle symlinks to directories that may move during packaging''' + if not os.path.islink(abspath): + return False + tinfo = tar.gettarinfo(name=abspath, arcname=fname) + tgt = os.readlink(abspath) + + if dist_dirs: + # we need to find the target relative to the main directory + # this is here to cope with symlinks into the buildtools + # directory from within the standalone libraries in Samba. For example, + # a symlink to ../../builtools/scripts/autogen-waf.sh needs + # to be rewritten as a symlink to buildtools/scripts/autogen-waf.sh + # when the tarball for talloc is built + + # the filename without the appname-version + rel_fname = '/'.join(fname.split('/')[1:]) + + # join this with the symlink target + tgt_full = os.path.join(os.path.dirname(rel_fname), tgt) + + # join with the base directory + tgt_base = os.path.normpath(os.path.join(basedir, tgt_full)) + + # see if this is inside one of our dist_dirs + for dir in dist_dirs.split(): + if dir.find(':') != -1: + destdir=dir.split(':')[1] + dir=dir.split(':')[0] + else: + destdir = '.' + if dir == basedir: + # internal links don't get rewritten + continue + if dir == tgt_base[0:len(dir)] and tgt_base[len(dir)] == '/': + new_tgt = destdir + tgt_base[len(dir):] + tinfo.linkname = new_tgt + break + + tinfo.uid = 0 + tinfo.gid = 0 + tinfo.uname = 'root' + tinfo.gname = 'root' + tar.addfile(tinfo) + return True + +def add_tarfile(tar, fname, abspath, basedir): + '''add a file to the tarball''' + if add_symlink(tar, fname, abspath, basedir): + return + try: + tinfo = tar.gettarinfo(name=abspath, arcname=fname) + except OSError: + Logs.error('Unable to find file %s - missing from git checkout?' % abspath) + sys.exit(1) + tinfo.uid = 0 + tinfo.gid = 0 + tinfo.uname = 'root' + tinfo.gname = 'root' + fh = open(abspath, "rb") + tar.addfile(tinfo, fileobj=fh) + fh.close() + + +def vcs_dir_contents(path): + """Return the versioned files under a path. + + :return: List of paths relative to path + """ + repo = path + while repo != "/": + if os.path.exists(os.path.join(repo, ".git")): + ls_files_cmd = [ 'git', 'ls-files', '--full-name', + os.path.relpath(path, repo) ] + cwd = None + env = dict(os.environ) + env["GIT_DIR"] = os.path.join(repo, ".git") + break + repo = os.path.dirname(repo) + if repo == "/": + raise Exception("unsupported or no vcs for %s" % path) + return get_string(Utils.cmd_output(ls_files_cmd, cwd=cwd, env=env)).split('\n') + + +def dist(appname='', version=''): + + def add_files_to_tarball(tar, srcdir, srcsubdir, dstdir, dstsubdir, blacklist, files): + if blacklist is None: + blacklist = [] + for f in files: + abspath = os.path.join(srcdir, f) + + if srcsubdir != '.': + f = f[len(srcsubdir)+1:] + + # Remove files in the blacklist + if f in blacklist: + continue + blacklisted = False + # Remove directories in the blacklist + for d in blacklist: + if f.startswith(d): + blacklisted = True + if blacklisted: + continue + if os.path.isdir(abspath) and not os.path.islink(abspath): + continue + if dstsubdir != '.': + f = dstsubdir + '/' + f + fname = dstdir + '/' + f + add_tarfile(tar, fname, abspath, srcsubdir) + + + def list_directory_files(path): + curdir = os.getcwd() + os.chdir(srcdir) + out_files = [] + for root, dirs, files in os.walk(path): + for f in files: + out_files.append(os.path.join(root, f)) + os.chdir(curdir) + return out_files + + + if not isinstance(appname, str) or not appname: + # this copes with a mismatch in the calling arguments for dist() + appname = Context.g_module.APPNAME + version = Context.g_module.VERSION + if not version: + version = Context.g_module.VERSION + + srcdir = os.path.normpath( + os.path.join(os.path.dirname(Context.g_module.root_path), + Context.g_module.top)) + + if not dist_dirs: + Logs.error('You must use samba_dist.DIST_DIRS() to set which directories to package') + sys.exit(1) + + dist_base = '%s-%s' % (appname, version) + + if Options.options.SIGN_RELEASE: + dist_name = '%s.tar' % (dist_base) + tar = tarfile.open(dist_name, 'w') + else: + dist_name = '%s.tar.gz' % (dist_base) + tar = tarfile.open(dist_name, 'w:gz') + + blacklist = dist_blacklist.split() + + for dir in dist_dirs.split(): + if dir.find(':') != -1: + destdir=dir.split(':')[1] + dir=dir.split(':')[0] + else: + destdir = '.' + absdir = os.path.join(srcdir, dir) + try: + files = vcs_dir_contents(absdir) + except Exception as e: + Logs.error('unable to get contents of %s: %s' % (absdir, e)) + sys.exit(1) + add_files_to_tarball(tar, srcdir, dir, dist_base, destdir, blacklist, files) + + if dist_files: + for file in dist_files.split(): + if file.find(':') != -1: + destfile = file.split(':')[1] + file = file.split(':')[0] + else: + destfile = file + + absfile = os.path.join(srcdir, file) + + if os.path.isdir(absfile) and not os.path.islink(absfile): + destdir = destfile + dir = file + files = list_directory_files(dir) + add_files_to_tarball(tar, srcdir, dir, dist_base, destdir, blacklist, files) + else: + fname = dist_base + '/' + destfile + add_tarfile(tar, fname, absfile, destfile) + + tar.close() + + if Options.options.SIGN_RELEASE: + import gzip + try: + os.unlink(dist_name + '.asc') + except OSError: + pass + + cmd = "gpg --detach-sign --armor " + dist_name + os.system(cmd) + uncompressed_tar = open(dist_name, 'rb') + compressed_tar = gzip.open(dist_name + '.gz', 'wb') + while 1: + buffer = uncompressed_tar.read(1048576) + if buffer: + compressed_tar.write(buffer) + else: + break + uncompressed_tar.close() + compressed_tar.close() + os.unlink(dist_name) + Logs.info('Created %s.gz %s.asc' % (dist_name, dist_name)) + dist_name = dist_name + '.gz' + else: + Logs.info('Created %s' % dist_name) + + # TODO use the ctx object instead + global dist_archive + dist_archive = dist_name + return dist_name + + +@conf +def DIST_DIRS(dirs): + '''set the directories to package, relative to top srcdir''' + global dist_dirs + if not dist_dirs: + dist_dirs = dirs + +@conf +def DIST_FILES(files, extend=False): + '''set additional files for packaging, relative to top srcdir''' + global dist_files + if not dist_files: + dist_files = files + elif extend: + dist_files = dist_files + " " + files + +@conf +def DIST_BLACKLIST(blacklist): + '''set the files to exclude from packaging, relative to top srcdir''' + global dist_blacklist + if not dist_blacklist: + dist_blacklist = blacklist + +Scripting.dist = dist diff --git a/buildtools/wafsamba/samba_git.py b/buildtools/wafsamba/samba_git.py new file mode 100644 index 0000000..fe540ec --- /dev/null +++ b/buildtools/wafsamba/samba_git.py @@ -0,0 +1,58 @@ +import os +import subprocess + +def find_git(env=None): + """Find the git binary.""" + if env is not None and 'GIT' in env: + return env.get_flat('GIT') + + # Get version from GIT + if os.path.exists("/usr/bin/git"): + # this is useful when doing make dist without configuring + return "/usr/bin/git" + + return None + + +def has_submodules(path): + """Check whether a source directory is git-versioned and has submodules. + + :param path: Path to Samba source directory + """ + return (os.path.isdir(os.path.join(path, ".git")) and + os.path.isfile(os.path.join(path, ".gitmodules"))) + + +def read_submodule_status(path, env=None): + """Check status of submodules. + + :param path: Path to git directory + :param env: Optional waf environment + :return: Yields tuples with submodule relpath and status + (one of: 'out-of-date', 'not-checked-out', 'up-to-date') + :raise RuntimeError: raised when parsing of 'git submodule status' output + fails. + """ + if not has_submodules(path): + # No point in running git. + return + git = find_git(env) + if git is None: + return + p = subprocess.Popen([git, "submodule", "status"], stdout=subprocess.PIPE, + cwd=path) + (stdout, stderr) = p.communicate(None) + for l in stdout.splitlines(): + l = l.decode('utf-8') + l = l.rstrip() + status = l[0] + l = l[1:] + parts = l.split(" ") + if len(parts) > 2 and status in ("-", "+"): + yield (parts[1], "out-of-date") + elif len(parts) == 2 and status == "-": + yield (parts[1], "not-checked-out") + elif len(parts) > 2 and status == " ": + yield (parts[1], "up-to-date") + else: + raise RuntimeError("Unable to parse submodule status: %r, %r" % (status, parts)) diff --git a/buildtools/wafsamba/samba_headers.py b/buildtools/wafsamba/samba_headers.py new file mode 100644 index 0000000..37147a9 --- /dev/null +++ b/buildtools/wafsamba/samba_headers.py @@ -0,0 +1,181 @@ +# specialist handling of header files for Samba + +import os, re, sys, fnmatch +from waflib import Build, Logs, Utils, Errors +from samba_utils import TO_LIST + + +def header_install_path(header, header_path): + '''find the installation path for a header, given a header_path option''' + if not header_path: + return '' + if not isinstance(header_path, list): + return header_path + for (p1, dir) in header_path: + for p2 in TO_LIST(p1): + if fnmatch.fnmatch(header, p2): + return dir + # default to current path + return '' + + +re_header = re.compile(r'^\s*#\s*include[ \t]*"([^"]+)"', re.I | re.M) + +# a dictionary mapping source header paths to public header paths +header_map = {} + +def find_suggested_header(hpath): + '''find a suggested header path to use''' + base = os.path.basename(hpath) + ret = [] + for h in header_map: + if os.path.basename(h) == base: + ret.append('<%s>' % header_map[h]) + ret.append('"%s"' % h) + return ret + +def create_public_header(task): + '''create a public header from a private one, output within the build tree''' + src = task.inputs[0].abspath(task.env) + tgt = task.outputs[0].bldpath(task.env) + + if os.path.exists(tgt): + os.unlink(tgt) + + relsrc = os.path.relpath(src, task.env.TOPDIR) + + infile = open(src, mode='r') + outfile = open(tgt, mode='w') + linenumber = 0 + + search_paths = [ '', task.env.RELPATH ] + for i in task.env.EXTRA_INCLUDES: + if i.startswith('#'): + search_paths.append(i[1:]) + + for line in infile: + linenumber += 1 + + # allow some straight substitutions + if task.env.public_headers_replace and line.strip() in task.env.public_headers_replace: + outfile.write(task.env.public_headers_replace[line.strip()] + '\n') + continue + + # see if its an include line + m = re_header.match(line) + if m is None: + outfile.write(line) + continue + + # its an include, get the header path + hpath = m.group(1) + if hpath.startswith("bin/default/"): + hpath = hpath[12:] + + # some are always allowed + if task.env.public_headers_skip and hpath in task.env.public_headers_skip: + outfile.write(line) + continue + + # work out the header this refers to + found = False + for s in search_paths: + p = os.path.normpath(os.path.join(s, hpath)) + if p in header_map: + outfile.write("#include <%s>\n" % header_map[p]) + found = True + break + if found: + continue + + if task.env.public_headers_allow_broken: + Logs.warn("Broken public header include '%s' in '%s'" % (hpath, relsrc)) + outfile.write(line) + continue + + # try to be nice to the developer by suggesting an alternative + suggested = find_suggested_header(hpath) + outfile.close() + os.unlink(tgt) + sys.stderr.write("%s:%u:Error: unable to resolve public header %s (maybe try one of %s)\n" % ( + os.path.relpath(src, os.getcwd()), linenumber, hpath, suggested)) + raise Errors.WafError("Unable to resolve header path '%s' in public header '%s' in directory %s" % ( + hpath, relsrc, task.env.RELPATH)) + infile.close() + outfile.close() + + +def public_headers_simple(bld, public_headers, header_path=None, public_headers_install=True): + '''install some headers - simple version, no munging needed + ''' + if not public_headers_install: + return + for h in TO_LIST(public_headers): + inst_path = header_install_path(h, header_path) + if h.find(':') != -1: + s = h.split(":") + h_name = s[0] + inst_name = s[1] + else: + h_name = h + inst_name = os.path.basename(h) + bld.INSTALL_FILES('${INCLUDEDIR}', h_name, destname=inst_name) + + +def PUBLIC_HEADERS(bld, public_headers, header_path=None, public_headers_install=True): + '''install some headers + + header_path may either be a string that is added to the INCLUDEDIR, + or it can be a dictionary of wildcard patterns which map to destination + directories relative to INCLUDEDIR + ''' + bld.SET_BUILD_GROUP('final') + + if not bld.env.build_public_headers: + # in this case no header munging needed. Used for tdb, talloc etc + public_headers_simple(bld, public_headers, header_path=header_path, + public_headers_install=public_headers_install) + return + + # create the public header in the given path + # in the build tree + for h in TO_LIST(public_headers): + inst_path = header_install_path(h, header_path) + if h.find(':') != -1: + s = h.split(":") + h_name = s[0] + inst_name = s[1] + else: + h_name = h + inst_name = os.path.basename(h) + curdir = bld.path.abspath() + relpath1 = os.path.relpath(bld.srcnode.abspath(), curdir) + relpath2 = os.path.relpath(curdir, bld.srcnode.abspath()) + targetdir = os.path.normpath(os.path.join(relpath1, bld.env.build_public_headers, inst_path)) + if not os.path.exists(os.path.join(curdir, targetdir)): + raise Errors.WafError("missing source directory %s for public header %s" % (targetdir, inst_name)) + target = os.path.join(targetdir, inst_name) + + # the source path of the header, relative to the top of the source tree + src_path = os.path.normpath(os.path.join(relpath2, h_name)) + + # the install path of the header, relative to the public include directory + target_path = os.path.normpath(os.path.join(inst_path, inst_name)) + + header_map[src_path] = target_path + + t = bld.SAMBA_GENERATOR('HEADER_%s/%s/%s' % (relpath2, inst_path, inst_name), + group='headers', + rule=create_public_header, + source=h_name, + target=target) + t.env.RELPATH = relpath2 + t.env.TOPDIR = bld.srcnode.abspath() + if not bld.env.public_headers_list: + bld.env.public_headers_list = [] + bld.env.public_headers_list.append(os.path.join(inst_path, inst_name)) + if public_headers_install: + bld.INSTALL_FILES('${INCLUDEDIR}', + target, + destname=os.path.join(inst_path, inst_name), flat=True) +Build.BuildContext.PUBLIC_HEADERS = PUBLIC_HEADERS diff --git a/buildtools/wafsamba/samba_install.py b/buildtools/wafsamba/samba_install.py new file mode 100644 index 0000000..a43d103 --- /dev/null +++ b/buildtools/wafsamba/samba_install.py @@ -0,0 +1,236 @@ +########################### +# this handles the magic we need to do for installing +# with all the configure options that affect rpath and shared +# library use + +import os +from waflib import Utils, Errors +from waflib.TaskGen import feature, before, after +from samba_utils import LIB_PATH, MODE_755, install_rpath, build_rpath + +@feature('install_bin') +@after('apply_core') +@before('apply_link', 'apply_obj_vars') +def install_binary(self): + '''install a binary, taking account of the different rpath variants''' + bld = self.bld + + # get the ldflags we will use for install and build + install_ldflags = install_rpath(self) + build_ldflags = build_rpath(bld) + + if not self.bld.is_install: + # just need to set rpath if we are not installing + self.env.RPATH = build_ldflags + return + + # work out the install path, expanding variables + install_path = getattr(self, 'samba_inst_path', None) or '${BINDIR}' + install_path = bld.EXPAND_VARIABLES(install_path) + + orig_target = os.path.basename(self.target) + + if install_ldflags != build_ldflags: + # we will be creating a new target name, and using that for the + # install link. That stops us from overwriting the existing build + # target, which has different ldflags + self.target += '.inst' + + # setup the right rpath link flags for the install + self.env.RPATH = install_ldflags + + if not self.samba_install: + # this binary is marked not to be installed + return + + # tell waf to install the right binary + bld.install_as(os.path.join(install_path, orig_target), + self.path.find_or_declare(self.target), + chmod=MODE_755) + + + +@feature('install_lib') +@after('apply_core') +@before('apply_link', 'apply_obj_vars') +def install_library(self): + '''install a library, taking account of the different rpath variants''' + if getattr(self, 'done_install_library', False): + return + + bld = self.bld + + default_env = bld.all_envs['default'] + try: + install_ldflags = install_rpath(self) + build_ldflags = build_rpath(bld) + + if not self.bld.is_install or not getattr(self, 'samba_install', True): + # just need to set the build rpath if we are not installing + self.env.RPATH = build_ldflags + return + + # setup the install path, expanding variables + install_path = getattr(self, 'samba_inst_path', None) + if install_path is None: + if getattr(self, 'private_library', False): + install_path = '${PRIVATELIBDIR}' + else: + install_path = '${LIBDIR}' + install_path = bld.EXPAND_VARIABLES(install_path) + + target_name = self.target + + if install_ldflags != build_ldflags: + # we will be creating a new target name, and using that for the + # install link. That stops us from overwriting the existing build + # target, which has different ldflags + self.done_install_library = True + t = self.clone(self.env) + t.posted = False + t.target += '.inst' + t.name = self.name + '.inst' + self.env.RPATH = build_ldflags + else: + t = self + + t.env.RPATH = install_ldflags + + dev_link = None + + # in the following the names are: + # - inst_name is the name with .inst. in it, in the build + # directory + # - install_name is the name in the install directory + # - install_link is a symlink in the install directory, to install_name + + if getattr(self, 'samba_realname', None): + install_name = self.samba_realname + install_link = None + if getattr(self, 'soname', ''): + install_link = self.soname + if getattr(self, 'samba_type', None) == 'PYTHON': + inst_name = bld.make_libname(t.target, nolibprefix=True, python=True) + else: + inst_name = bld.make_libname(t.target) + elif self.vnum: + vnum_base = self.vnum.split('.')[0] + install_name = bld.make_libname(target_name, version=self.vnum) + install_link = bld.make_libname(target_name, version=vnum_base) + inst_name = bld.make_libname(t.target) + if not self.private_library or not t.env.SONAME_ST: + # only generate the dev link for non-bundled libs + dev_link = bld.make_libname(target_name) + elif getattr(self, 'soname', ''): + install_name = bld.make_libname(target_name) + install_link = self.soname + inst_name = bld.make_libname(t.target) + else: + install_name = bld.make_libname(target_name) + install_link = None + inst_name = bld.make_libname(t.target) + + if t.env.SONAME_ST: + # ensure we get the right names in the library + if install_link: + t.env.append_value('LINKFLAGS', t.env.SONAME_ST % install_link) + else: + t.env.append_value('LINKFLAGS', t.env.SONAME_ST % install_name) + t.env.SONAME_ST = '' + + # tell waf to install the library + bld.install_as(os.path.join(install_path, install_name), + self.path.find_or_declare(inst_name), + chmod=MODE_755) + + if install_link and install_link != install_name: + # and the symlink if needed + bld.symlink_as(os.path.join(install_path, install_link), os.path.basename(install_name)) + if dev_link: + bld.symlink_as(os.path.join(install_path, dev_link), os.path.basename(install_name)) + finally: + bld.all_envs['default'] = default_env + + +@feature('cshlib') +@after('apply_implib') +@before('apply_vnum') +def apply_soname(self): + '''install a library, taking account of the different rpath variants''' + + if self.env.SONAME_ST and getattr(self, 'soname', ''): + self.env.append_value('LINKFLAGS', self.env.SONAME_ST % self.soname) + self.env.SONAME_ST = '' + +@feature('cshlib') +@after('apply_implib') +@before('apply_vnum') +def apply_vscript(self): + '''add version-script arguments to library build''' + + if self.env.HAVE_LD_VERSION_SCRIPT and getattr(self, 'version_script', ''): + self.env.append_value('LINKFLAGS', "-Wl,--version-script=%s" % + self.version_script) + self.version_script = None + + +############################## +# handle the creation of links for libraries and binaries in the build tree + +@feature('symlink_lib') +@after('apply_link') +def symlink_lib(self): + '''symlink a shared lib''' + + if self.target.endswith('.inst'): + return + + blddir = os.path.dirname(self.bld.srcnode.abspath(self.bld.env)) + libpath = self.link_task.outputs[0].abspath(self.env) + + # calculate the link target and put it in the environment + soext="" + vnum = getattr(self, 'vnum', None) + if vnum is not None: + soext = '.' + vnum.split('.')[0] + + link_target = getattr(self, 'link_name', '') + if link_target == '': + basename = os.path.basename(self.bld.make_libname(self.target, version=soext)) + if getattr(self, "private_library", False): + link_target = '%s/private/%s' % (LIB_PATH, basename) + else: + link_target = '%s/%s' % (LIB_PATH, basename) + + link_target = os.path.join(blddir, link_target) + + if os.path.lexists(link_target): + if os.path.islink(link_target) and os.readlink(link_target) == libpath: + return + os.unlink(link_target) + + link_container = os.path.dirname(link_target) + if not os.path.isdir(link_container): + os.makedirs(link_container) + + os.symlink(libpath, link_target) + + +@feature('symlink_bin') +@after('apply_link') +def symlink_bin(self): + '''symlink a binary into the build directory''' + + if self.target.endswith('.inst'): + return + + if not self.link_task.outputs or not self.link_task.outputs[0]: + raise Errors.WafError('no outputs found for %s in symlink_bin' % self.name) + binpath = self.link_task.outputs[0].abspath(self.env) + bldpath = os.path.join(self.bld.env.BUILD_DIRECTORY, self.link_task.outputs[0].name) + + if os.path.lexists(bldpath): + if os.path.islink(bldpath) and os.readlink(bldpath) == binpath: + return + os.unlink(bldpath) + os.symlink(binpath, bldpath) diff --git a/buildtools/wafsamba/samba_patterns.py b/buildtools/wafsamba/samba_patterns.py new file mode 100644 index 0000000..4129681 --- /dev/null +++ b/buildtools/wafsamba/samba_patterns.py @@ -0,0 +1,234 @@ +# a waf tool to add extension based build patterns for Samba + +import sys +from waflib import Build +from wafsamba import samba_version_file + +def write_version_header(task): + '''print version.h contents''' + src = task.inputs[0].srcpath(task.env) + + version = samba_version_file(src, task.env.srcdir, env=task.env, is_install=task.generator.bld.is_install) + string = str(version) + + task.outputs[0].write(string) + return 0 + + +def SAMBA_MKVERSION(bld, target, source='VERSION buildtools/wafsamba/samba_version.py'): + '''generate the version.h header for Samba''' + + # We only force waf to re-generate this file if we are installing, + # because only then is information not included in the deps (the + # git revision) included in the version. + t = bld.SAMBA_GENERATOR('VERSION', + rule=write_version_header, + group='setup', + source=source, + target=target, + always=bld.is_install) +Build.BuildContext.SAMBA_MKVERSION = SAMBA_MKVERSION + + +def write_build_options_header(fp): + '''write preamble for build_options.c''' + fp.write("/*\n" + " Unix SMB/CIFS implementation.\n" + " Build Options for Samba Suite\n" + " Copyright (C) Vance Lankhaar <vlankhaar@linux.ca> 2003\n" + " Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001\n" + "\n" + " This program is free software; you can redistribute it and/or modify\n" + " it under the terms of the GNU General Public License as published by\n" + " the Free Software Foundation; either version 3 of the License, or\n" + " (at your option) any later version.\n" + "\n" + " This program is distributed in the hope that it will be useful,\n" + " but WITHOUT ANY WARRANTY; without even the implied warranty of\n" + " MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" + " GNU General Public License for more details.\n" + "\n" + " You should have received a copy of the GNU General Public License\n" + " along with this program; if not, see <http://www.gnu.org/licenses/>.\n" + "*/\n" + "\n" + "#include \"includes.h\"\n" + "#include \"dynconfig/dynconfig.h\"\n" + "#include \"lib/cluster_support.h\"\n" + + "\n" + "static int output(bool screen, const char *format, ...) PRINTF_ATTRIBUTE(2,3);\n" + "void build_options(bool screen);\n" + "\n" + "\n" + "/****************************************************************************\n" + "helper function for build_options\n" + "****************************************************************************/\n" + "static int output(bool screen, const char *format, ...)\n" + "{\n" + " char *ptr = NULL;\n" + " int ret = 0;\n" + " va_list ap;\n" + " \n" + " va_start(ap, format);\n" + " ret = vasprintf(&ptr,format,ap);\n" + " va_end(ap);\n" + "\n" + " if (screen) {\n" + " d_printf(\"%s\", ptr ? ptr : \"\");\n" + " } else {\n" + " DEBUG(4,(\"%s\", ptr ? ptr : \"\"));\n" + " }\n" + " \n" + " SAFE_FREE(ptr);\n" + " return ret;\n" + "}\n" + "\n" + "/****************************************************************************\n" + "options set at build time for the samba suite\n" + "****************************************************************************/\n" + "void build_options(bool screen)\n" + "{\n" + " if ((DEBUGLEVEL < 4) && (!screen)) {\n" + " return;\n" + " }\n" + "\n" + "\n" + " /* Output various paths to files and directories */\n" + " output(screen,\"\\nPaths:\\n\"\n" + " \" SBINDIR: %s\\n\"\n" + " \" BINDIR: %s\\n\"\n" + " \" CONFIGFILE: %s\\n\"\n" + " \" LOGFILEBASE: %s\\n\"\n" + " \" LMHOSTSFILE: %s\\n\"\n" + " \" LIBDIR: %s\\n\"\n" + " \" DATADIR: %s\\n\"\n" + " \" SAMBA_DATADIR: %s\\n\"\n" + " \" MODULESDIR: %s\\n\"\n" + " \" SHLIBEXT: %s\\n\"\n" + " \" LOCKDIR: %s\\n\"\n" + " \" STATEDIR: %s\\n\"\n" + " \" CACHEDIR: %s\\n\"\n" + " \" PIDDIR: %s\\n\"\n" + " \" SMB_PASSWD_FILE: %s\\n\"\n" + " \" PRIVATE_DIR: %s\\n\"\n" + " \" BINDDNS_DIR: %s\\n\",\n" + " get_dyn_SBINDIR(),\n" + " get_dyn_BINDIR(),\n" + " get_dyn_CONFIGFILE(),\n" + " get_dyn_LOGFILEBASE(),\n" + " get_dyn_LMHOSTSFILE(),\n" + " get_dyn_LIBDIR(),\n" + " get_dyn_DATADIR(),\n" + " get_dyn_SAMBA_DATADIR(),\n" + " get_dyn_MODULESDIR(),\n" + " get_dyn_SHLIBEXT(),\n" + " get_dyn_LOCKDIR(),\n" + " get_dyn_STATEDIR(),\n" + " get_dyn_CACHEDIR(),\n" + " get_dyn_PIDDIR(),\n" + " get_dyn_SMB_PASSWD_FILE(),\n" + " get_dyn_PRIVATE_DIR(),\n" + " get_dyn_BINDDNS_DIR());\n" + "\n") + +def write_build_options_footer(fp): + fp.write(" /* Output the sizes of the various cluster features */\n" + " output(screen, \"\\n%s\", cluster_support_features());\n" + "\n" + " /* Output the sizes of the various types */\n" + " output(screen, \"\\nType sizes:\\n\"\n" + " \" sizeof(char): %lu\\n\"\n" + " \" sizeof(int): %lu\\n\"\n" + " \" sizeof(long): %lu\\n\"\n" + " \" sizeof(long long): %lu\\n\"\n" + " \" sizeof(uint8_t): %lu\\n\"\n" + " \" sizeof(uint16_t): %lu\\n\"\n" + " \" sizeof(uint32_t): %lu\\n\"\n" + " \" sizeof(short): %lu\\n\"\n" + " \" sizeof(void*): %lu\\n\"\n" + " \" sizeof(size_t): %lu\\n\"\n" + " \" sizeof(off_t): %lu\\n\"\n" + " \" sizeof(ino_t): %lu\\n\"\n" + " \" sizeof(dev_t): %lu\\n\",\n" + " (unsigned long)sizeof(char),\n" + " (unsigned long)sizeof(int),\n" + " (unsigned long)sizeof(long),\n" + " (unsigned long)sizeof(long long),\n" + " (unsigned long)sizeof(uint8_t),\n" + " (unsigned long)sizeof(uint16_t),\n" + " (unsigned long)sizeof(uint32_t),\n" + " (unsigned long)sizeof(short),\n" + " (unsigned long)sizeof(void*),\n" + " (unsigned long)sizeof(size_t),\n" + " (unsigned long)sizeof(off_t),\n" + " (unsigned long)sizeof(ino_t),\n" + " (unsigned long)sizeof(dev_t));\n" + "\n" + " output(screen, \"\\nBuiltin modules:\\n\"\n" + " \" %s\\n\", STRING_STATIC_MODULES);\n" + "}\n") + +def write_build_options_section(fp, keys, section): + fp.write("\n\t/* Show %s */\n" % section) + fp.write(" output(screen, \"\\n%s:\\n\");\n\n" % section) + + for k in sorted(keys): + fp.write("#ifdef %s\n" % k) + fp.write(" output(screen, \" %s\\n\");\n" % k) + fp.write("#endif\n") + fp.write("\n") + +def write_build_options(task): + tbl = task.env + keys_option_with = [] + keys_option_utmp = [] + keys_option_have = [] + keys_header_sys = [] + keys_header_other = [] + keys_misc = [] + if sys.hexversion>0x300000f: + trans_table = bytes.maketrans(b'.-()', b'____') + else: + import string + trans_table = string.maketrans('.-()', '____') + + for key in tbl: + if key.startswith("HAVE_UT_UT_") or key.find("UTMP") >= 0: + keys_option_utmp.append(key) + elif key.startswith("WITH_"): + keys_option_with.append(key) + elif key.startswith("HAVE_SYS_"): + keys_header_sys.append(key) + elif key.startswith("HAVE_"): + if key.endswith("_H"): + keys_header_other.append(key) + else: + keys_option_have.append(key) + elif key.startswith("static_init_"): + l = key.split("(") + keys_misc.append(l[0]) + else: + keys_misc.append(key.translate(trans_table)) + + tgt = task.outputs[0].bldpath(task.env) + f = open(tgt, 'w') + write_build_options_header(f) + write_build_options_section(f, keys_header_sys, "System Headers") + write_build_options_section(f, keys_header_other, "Headers") + write_build_options_section(f, keys_option_utmp, "UTMP Options") + write_build_options_section(f, keys_option_have, "HAVE_* Defines") + write_build_options_section(f, keys_option_with, "--with Options") + write_build_options_section(f, keys_misc, "Build Options") + write_build_options_footer(f) + f.close() + return 0 + + +def SAMBA_BLDOPTIONS(bld, target): + '''generate the bld_options.c for Samba''' + t = bld.SAMBA_GENERATOR(target, + rule=write_build_options, + dep_vars=['defines'], + target=target) +Build.BuildContext.SAMBA_BLDOPTIONS = SAMBA_BLDOPTIONS diff --git a/buildtools/wafsamba/samba_perl.py b/buildtools/wafsamba/samba_perl.py new file mode 100644 index 0000000..2139d14 --- /dev/null +++ b/buildtools/wafsamba/samba_perl.py @@ -0,0 +1,58 @@ +from waflib import Utils +from waflib.Configure import conf +from samba_utils import get_string +done = {} + +@conf +def SAMBA_CHECK_PERL(conf, mandatory=True, version=(5,0,0)): + if "done" in done: + return + done["done"] = True + conf.find_program('perl', var='PERL', mandatory=mandatory) + conf.load('perl') + path_perl = conf.find_program('perl') + conf.env.PERL_SPECIFIED = (conf.env.PERL != path_perl) + conf.check_perl_version(version) + + def read_perl_config_var(cmd): + output = Utils.cmd_output([conf.env.get_flat('PERL'), '-MConfig', '-e', cmd]) + if not isinstance(output, str): + output = get_string(output) + return Utils.to_list(output) + + def check_perl_config_var(var): + conf.start_msg("Checking for perl $Config{%s}:" % var) + try: + v = read_perl_config_var('print $Config{%s}' % var)[0] + conf.end_msg("'%s'" % (v), 'GREEN') + return v + except IndexError: + conf.end_msg(False, 'YELLOW') + return None + + vendor_prefix = check_perl_config_var('vendorprefix') + + perl_arch_install_dir = None + if vendor_prefix == conf.env.PREFIX: + perl_arch_install_dir = check_perl_config_var('vendorarch') + if perl_arch_install_dir is None: + perl_arch_install_dir = "${LIBDIR}/perl5" + conf.start_msg("PERL_ARCH_INSTALL_DIR: ") + conf.end_msg("'%s'" % (perl_arch_install_dir), 'GREEN') + conf.env.PERL_ARCH_INSTALL_DIR = perl_arch_install_dir + + perl_lib_install_dir = None + if vendor_prefix == conf.env.PREFIX: + perl_lib_install_dir = check_perl_config_var('vendorlib') + if perl_lib_install_dir is None: + perl_lib_install_dir = "${DATADIR}/perl5" + conf.start_msg("PERL_LIB_INSTALL_DIR: ") + conf.end_msg("'%s'" % (perl_lib_install_dir), 'GREEN') + conf.env.PERL_LIB_INSTALL_DIR = perl_lib_install_dir + + perl_inc = read_perl_config_var('print "@INC"') + if '.' in perl_inc: + perl_inc.remove('.') + conf.start_msg("PERL_INC: ") + conf.end_msg("%s" % (perl_inc), 'GREEN') + conf.env.PERL_INC = perl_inc diff --git a/buildtools/wafsamba/samba_pidl.py b/buildtools/wafsamba/samba_pidl.py new file mode 100644 index 0000000..72997c8 --- /dev/null +++ b/buildtools/wafsamba/samba_pidl.py @@ -0,0 +1,175 @@ +# waf build tool for building IDL files with pidl + +import os +from waflib import Build, Utils +from waflib.TaskGen import feature, before +from samba_utils import SET_TARGET_TYPE, TO_LIST, LOCAL_CACHE + +def SAMBA_PIDL(bld, pname, source, + options='', + output_dir='.', + generate_tables=True): + '''Build a IDL file using pidl. + This will produce up to 17 output files depending on the options used''' + + bname = source[0:-4] # strip off the .idl suffix + bname = os.path.basename(bname) + name = "%s_%s" % (pname, bname.upper()) + + if not SET_TARGET_TYPE(bld, name, 'PIDL'): + return + + bld.SET_BUILD_GROUP('build_source') + + # the output files depend on the options used. Use this dictionary + # to map between the options and the resulting file names + options_map = { '--header' : '%s.h', + '--ndr-parser' : 'ndr_%s.c ndr_%s.h', + '--samba3-ndr-server' : 'srv_%s.c srv_%s.h', + '--samba3-ndr-client' : 'cli_%s.c cli_%s.h', + '--server' : 'ndr_%s_s.c', + '--server-compat' : 'ndr_%s_scompat.c ndr_%s_scompat.h', + '--client' : 'ndr_%s_c.c ndr_%s_c.h', + '--python' : 'py_%s.c', + '--tdr-parser' : 'tdr_%s.c tdr_%s.h', + '--dcom-proxy' : '%s_p.c', + '--com-header' : 'com_%s.h' + } + + table_header_idx = None + out_files = [] + options_list = TO_LIST(options) + + for o in options_list: + if o in options_map: + ofiles = TO_LIST(options_map[o]) + for f in ofiles: + out_files.append(os.path.join(output_dir, f % bname)) + if f == 'ndr_%s.h': + # remember this one for the tables generation + table_header_idx = len(out_files) - 1 + + # depend on the full pidl sources + source = TO_LIST(source) + try: + pidl_src_nodes = bld.pidl_files_cache + except AttributeError: + bld.pidl_files_cache = bld.srcnode.ant_glob('pidl/lib/Parse/**/*.pm', flat=False) + bld.pidl_files_cache.extend(bld.srcnode.ant_glob('pidl', flat=False)) + pidl_src_nodes = bld.pidl_files_cache + + # the cd .. is needed because pidl currently is sensitive to the directory it is run in + cpp = "" + cc = "" + if bld.CONFIG_SET("CPP") and bld.CONFIG_GET("CPP") != "": + if isinstance(bld.CONFIG_GET("CPP"), list): + cpp = 'CPP="%s"' % " ".join(bld.CONFIG_GET("CPP")) + else: + cpp = 'CPP="%s"' % bld.CONFIG_GET("CPP") + + if cpp == "CPP=xlc_r": + cpp = "" + + if bld.env['PIDL_DEVELOPER_MODE']: + pidl_dev = 'PIDL_DEVELOPER=1 ' + else: + pidl_dev = '' + + if bld.CONFIG_SET("CC"): + if isinstance(bld.CONFIG_GET("CC"), list): + cc = 'CC="%s"' % " ".join(bld.CONFIG_GET("CC")) + else: + cc = 'CC="%s"' % bld.CONFIG_GET("CC") + + t = bld(rule='cd ${PIDL_LAUNCH_DIR} && %s%s %s ${PERL} ${PIDL} --quiet ${OPTIONS} --outputdir ${OUTPUTDIR} -- "${IDLSRC}"' % (pidl_dev, cpp, cc), + ext_out = '.c', + before = 'c', + update_outputs = True, + shell = True, + source = source, + target = out_files, + name = name, + samba_type = 'PIDL') + + + t.env.PIDL_LAUNCH_DIR = bld.srcnode.path_from(bld.bldnode) + pnode = bld.srcnode.find_resource('pidl/pidl') + t.env.PIDL = pnode.path_from(bld.srcnode) + t.env.OPTIONS = TO_LIST(options) + snode = t.path.find_resource(source[0]) + t.env.IDLSRC = snode.path_from(bld.srcnode) + t.env.OUTPUTDIR = bld.bldnode.path_from(bld.srcnode) + '/' + bld.path.find_dir(output_dir).path_from(bld.srcnode) + + bld.add_manual_dependency(snode, pidl_src_nodes) + + if generate_tables and table_header_idx is not None: + pidl_headers = LOCAL_CACHE(bld, 'PIDL_HEADERS') + pidl_headers[name] = [bld.path.find_or_declare(out_files[table_header_idx])] + + t.more_includes = '#' + bld.path.path_from(bld.srcnode) +Build.BuildContext.SAMBA_PIDL = SAMBA_PIDL + +def SAMBA_PIDL_LIST(bld, name, source, + options='', + output_dir='.', + generate_tables=True, + generate_fuzzers=True): + '''A wrapper for building a set of IDL files''' + for p in TO_LIST(source): + bld.SAMBA_PIDL(name, p, options=options, output_dir=output_dir, generate_tables=generate_tables) + + # Some IDL files don't exactly match between name and + # "interface" so we need a way to skip those, while other IDL + # files have the table generation skipped entirely, on which + # the fuzzers rely + if generate_tables and generate_fuzzers: + interface = p[0:-4] # strip off the .idl suffix + bld.SAMBA_NDR_FUZZ(interface, + auto_deps=True, + fuzz_type="TYPE_STRUCT") + + # Only generate the TYPE_STRUCT fuzzer if this isn't + # really DCE/RPC + if '--client' in options: + bld.SAMBA_NDR_FUZZ(interface, + auto_deps=True, + fuzz_type="TYPE_IN") + bld.SAMBA_NDR_FUZZ(interface, + auto_deps=True, + fuzz_type="TYPE_OUT") +Build.BuildContext.SAMBA_PIDL_LIST = SAMBA_PIDL_LIST + + +################################################################# +# the rule for generating the NDR tables +@feature('collect') +@before('exec_rule') +def collect(self): + pidl_headers = LOCAL_CACHE(self.bld, 'PIDL_HEADERS') + # The first source is tables.pl itself + self.source = Utils.to_list(self.source) + for (name, hd) in pidl_headers.items(): + y = self.bld.get_tgen_by_name(name) + self.bld.ASSERT(y is not None, 'Failed to find PIDL header %s' % name) + y.post() + for node in hd: + self.bld.ASSERT(node is not None, 'Got None as build node generating PIDL table for %s' % name) + self.source.append(node) + + +def SAMBA_PIDL_TABLES(bld, name, target): + '''generate the pidl NDR tables file''' + bld.SET_BUILD_GROUP('main') + t = bld( + features = 'collect', + rule = '${PERL} ${SRC} > ${TGT}', + ext_out = '.c', + before = 'c', + update_outputs = True, + shell = True, + source = '../../librpc/tables.pl', + target = target, + name = name) + t.env.LIBRPC = os.path.join(bld.srcnode.abspath(), 'librpc') +Build.BuildContext.SAMBA_PIDL_TABLES = SAMBA_PIDL_TABLES + diff --git a/buildtools/wafsamba/samba_python.py b/buildtools/wafsamba/samba_python.py new file mode 100644 index 0000000..12a94c8 --- /dev/null +++ b/buildtools/wafsamba/samba_python.py @@ -0,0 +1,157 @@ +# waf build tool for building IDL files with pidl + +import os, sys +from waflib import Build, Logs, Utils, Configure, Errors +from waflib.Configure import conf + +@conf +def SAMBA_CHECK_PYTHON(conf, version=(3,6,0)): + + # enable tool to build python extensions + if conf.env.HAVE_PYTHON_H: + conf.check_python_version(version) + return + + interpreters = [] + + conf.find_program('python3', var='PYTHON', + mandatory=not conf.env.disable_python) + conf.load('python') + path_python = conf.find_program('python3') + + conf.env.PYTHON_SPECIFIED = (conf.env.PYTHON != path_python) + conf.check_python_version(version) + + interpreters.append(conf.env['PYTHON']) + conf.env.python_interpreters = interpreters + + +@conf +def SAMBA_CHECK_PYTHON_HEADERS(conf): + if conf.env.disable_python: + + conf.msg("python headers", "Check disabled due to --disable-python") + # we don't want PYTHONDIR in config.h, as otherwise changing + # --prefix causes a complete rebuild + conf.env.DEFINES = [x for x in conf.env.DEFINES + if not x.startswith('PYTHONDIR=') + and not x.startswith('PYTHONARCHDIR=')] + + return + + if conf.env["python_headers_checked"] == []: + _check_python_headers(conf) + conf.env["python_headers_checked"] = "yes" + + else: + conf.msg("python headers", "using cache") + + # we don't want PYTHONDIR in config.h, as otherwise changing + # --prefix causes a complete rebuild + conf.env.DEFINES = [x for x in conf.env.DEFINES + if not x.startswith('PYTHONDIR=') + and not x.startswith('PYTHONARCHDIR=')] + +def _check_python_headers(conf): + conf.check_python_headers() + + abi_pattern = os.path.splitext(conf.env['pyext_PATTERN'])[0] + conf.env['PYTHON_SO_ABI_FLAG'] = abi_pattern % '' + conf.env['PYTHON_LIBNAME_SO_ABI_FLAG'] = ( + conf.env['PYTHON_SO_ABI_FLAG'].replace('_', '-')) + + for lib in conf.env['LINKFLAGS_PYEMBED']: + if lib.startswith('-L'): + conf.env.append_unique('LIBPATH_PYEMBED', lib[2:]) # strip '-L' + conf.env['LINKFLAGS_PYEMBED'].remove(lib) + + # same as in waf 1.5, keep only '-fno-strict-aliasing' + # and ignore defines such as NDEBUG _FORTIFY_SOURCE=2 + conf.env.DEFINES_PYEXT = [] + conf.env.CFLAGS_PYEXT = ['-fno-strict-aliasing'] + + return + +def PYTHON_BUILD_IS_ENABLED(self): + return self.CONFIG_SET('HAVE_PYTHON_H') + +Build.BuildContext.PYTHON_BUILD_IS_ENABLED = PYTHON_BUILD_IS_ENABLED + + +def SAMBA_PYTHON(bld, name, + source='', + deps='', + public_deps='', + realname=None, + cflags='', + cflags_end=None, + includes='', + init_function_sentinel=None, + local_include=True, + vars=None, + install=True, + enabled=True): + '''build a python extension for Samba''' + + # force-disable when we can't build python modules, so + # every single call doesn't need to pass this in. + if not bld.PYTHON_BUILD_IS_ENABLED(): + enabled = False + + # Save time, no need to build python bindings when fuzzing + if bld.env.enable_fuzzing: + enabled = False + + # when we support static python modules we'll need to gather + # the list from all the SAMBA_PYTHON() targets + if init_function_sentinel is not None: + cflags += ' -DSTATIC_LIBPYTHON_MODULES=%s' % init_function_sentinel + + # From https://docs.python.org/2/c-api/arg.html: + # Starting with Python 2.5 the type of the length argument to + # PyArg_ParseTuple(), PyArg_ParseTupleAndKeywords() and PyArg_Parse() + # can be controlled by defining the macro PY_SSIZE_T_CLEAN before + # including Python.h. If the macro is defined, length is a Py_ssize_t + # rather than an int. + + # Because <Python.h> if often included before includes.h/config.h + # This must be in the -D compiler options + cflags += ' -DPY_SSIZE_T_CLEAN=1' + + source = bld.EXPAND_VARIABLES(source, vars=vars) + + if realname is not None: + link_name = 'python/%s' % realname + else: + link_name = None + + bld.SAMBA_LIBRARY(name, + source=source, + deps=deps, + public_deps=public_deps, + includes=includes, + cflags=cflags, + cflags_end=cflags_end, + local_include=local_include, + vars=vars, + realname=realname, + link_name=link_name, + pyext=True, + target_type='PYTHON', + install_path='${PYTHONARCHDIR}', + allow_undefined_symbols=True, + install=install, + enabled=enabled) + +Build.BuildContext.SAMBA_PYTHON = SAMBA_PYTHON + + +def pyembed_libname(bld, name): + if bld.env['PYTHON_SO_ABI_FLAG']: + return name + bld.env['PYTHON_SO_ABI_FLAG'] + else: + return name + +Build.BuildContext.pyembed_libname = pyembed_libname + + diff --git a/buildtools/wafsamba/samba_third_party.py b/buildtools/wafsamba/samba_third_party.py new file mode 100644 index 0000000..5289848 --- /dev/null +++ b/buildtools/wafsamba/samba_third_party.py @@ -0,0 +1,48 @@ +# functions to support third party libraries + +import os +from waflib import Utils, Build, Context +from waflib.Configure import conf + +@conf +def CHECK_FOR_THIRD_PARTY(conf): + return os.path.exists(os.path.join(Context.g_module.top, 'third_party')) + +Build.BuildContext.CHECK_FOR_THIRD_PARTY = CHECK_FOR_THIRD_PARTY + +@conf +def CHECK_POPT(conf): + return conf.CHECK_BUNDLED_SYSTEM('popt', checkfunctions='poptGetContext', headers='popt.h') + +Build.BuildContext.CHECK_POPT = CHECK_POPT + +@conf +def CHECK_CMOCKA(conf): + return conf.CHECK_BUNDLED_SYSTEM_PKG('cmocka', minversion='1.1.3') + +Build.BuildContext.CHECK_CMOCKA = CHECK_CMOCKA + +@conf +def CHECK_SOCKET_WRAPPER(conf): + return conf.CHECK_BUNDLED_SYSTEM_PKG('socket_wrapper', minversion='1.4.2') +Build.BuildContext.CHECK_SOCKET_WRAPPER = CHECK_SOCKET_WRAPPER + +@conf +def CHECK_NSS_WRAPPER(conf): + return conf.CHECK_BUNDLED_SYSTEM_PKG('nss_wrapper', minversion='1.1.15') +Build.BuildContext.CHECK_NSS_WRAPPER = CHECK_NSS_WRAPPER + +@conf +def CHECK_RESOLV_WRAPPER(conf): + return conf.CHECK_BUNDLED_SYSTEM_PKG('resolv_wrapper', minversion='1.1.8') +Build.BuildContext.CHECK_RESOLV_WRAPPER = CHECK_RESOLV_WRAPPER + +@conf +def CHECK_UID_WRAPPER(conf): + return conf.CHECK_BUNDLED_SYSTEM_PKG('uid_wrapper', minversion='1.3.0') +Build.BuildContext.CHECK_UID_WRAPPER = CHECK_UID_WRAPPER + +@conf +def CHECK_PAM_WRAPPER(conf): + return conf.CHECK_BUNDLED_SYSTEM_PKG('pam_wrapper', minversion='1.1.4') +Build.BuildContext.CHECK_PAM_WRAPPER = CHECK_PAM_WRAPPER diff --git a/buildtools/wafsamba/samba_utils.py b/buildtools/wafsamba/samba_utils.py new file mode 100644 index 0000000..f287e85 --- /dev/null +++ b/buildtools/wafsamba/samba_utils.py @@ -0,0 +1,754 @@ +# a waf tool to add autoconf-like macros to the configure section +# and for SAMBA_ macros for building libraries, binaries etc + +import errno +import os, sys, re, fnmatch, shlex, inspect +from optparse import SUPPRESS_HELP +from waflib import Build, Options, Utils, Task, Logs, Configure, Errors, Context +from waflib import Scripting +from waflib.TaskGen import feature, before, after +from waflib.Configure import ConfigurationContext +from waflib.Logs import debug +from waflib import ConfigSet +from waflib.Build import CACHE_SUFFIX + +# TODO: make this a --option +LIB_PATH="shared" + + +PY3 = sys.version_info[0] == 3 + +if PY3: + + # helper function to get a string from a variable that maybe 'str' or + # 'bytes' if 'bytes' then it is decoded using 'utf8'. If 'str' is passed + # it is returned unchanged + # Using this function is PY2/PY3 code should ensure in most cases + # the PY2 code runs unchanged in PY2 whereas the code in PY3 possibly + # decodes the variable (see PY2 implementation of this function below) + def get_string(bytesorstring): + tmp = bytesorstring + if isinstance(bytesorstring, bytes): + tmp = bytesorstring.decode('utf8') + elif not isinstance(bytesorstring, str): + raise ValueError('Expected byte of string for %s:%s' % (type(bytesorstring), bytesorstring)) + return tmp + +else: + + # Helper function to return string. + # if 'str' or 'unicode' passed in they are returned unchanged + # otherwise an exception is generated + # Using this function is PY2/PY3 code should ensure in most cases + # the PY2 code runs unchanged in PY2 whereas the code in PY3 possibly + # decodes the variable (see PY3 implementation of this function above) + def get_string(bytesorstring): + tmp = bytesorstring + if not(isinstance(bytesorstring, str) or isinstance(bytesorstring, unicode)): + raise ValueError('Expected str or unicode for %s:%s' % (type(bytesorstring), bytesorstring)) + return tmp + +# sigh, python octal constants are a mess +MODE_644 = int('644', 8) +MODE_744 = int('744', 8) +MODE_755 = int('755', 8) +MODE_777 = int('777', 8) + +def conf(f): + # override in order to propagate the argument "mandatory" + def fun(*k, **kw): + mandatory = True + if 'mandatory' in kw: + mandatory = kw['mandatory'] + del kw['mandatory'] + + try: + return f(*k, **kw) + except Errors.ConfigurationError: + if mandatory: + raise + + fun.__name__ = f.__name__ + if 'mandatory' in inspect.getsource(f): + fun = f + + setattr(Configure.ConfigurationContext, f.__name__, fun) + setattr(Build.BuildContext, f.__name__, fun) + return f +Configure.conf = conf +Configure.conftest = conf + +@conf +def SET_TARGET_TYPE(ctx, target, value): + '''set the target type of a target''' + cache = LOCAL_CACHE(ctx, 'TARGET_TYPE') + if target in cache and cache[target] != 'EMPTY': + Logs.error("ERROR: Target '%s' in directory %s re-defined as %s - was %s" % (target, ctx.path.abspath(), value, cache[target])) + sys.exit(1) + LOCAL_CACHE_SET(ctx, 'TARGET_TYPE', target, value) + debug("task_gen: Target '%s' created of type '%s' in %s" % (target, value, ctx.path.abspath())) + return True + + +def GET_TARGET_TYPE(ctx, target): + '''get target type from cache''' + cache = LOCAL_CACHE(ctx, 'TARGET_TYPE') + if not target in cache: + return None + return cache[target] + + +def ADD_LD_LIBRARY_PATH(path): + '''add something to LD_LIBRARY_PATH''' + if 'LD_LIBRARY_PATH' in os.environ: + oldpath = os.environ['LD_LIBRARY_PATH'] + else: + oldpath = '' + newpath = oldpath.split(':') + if not path in newpath: + newpath.append(path) + os.environ['LD_LIBRARY_PATH'] = ':'.join(newpath) + + +def needs_private_lib(bld, target): + '''return True if a target links to a private library''' + for lib in getattr(target, "final_libs", []): + t = bld.get_tgen_by_name(lib) + if t and getattr(t, 'private_library', False): + return True + return False + + +def install_rpath(target): + '''the rpath value for installation''' + bld = target.bld + bld.env['RPATH'] = [] + ret = set() + if bld.env.RPATH_ON_INSTALL: + ret.add(bld.EXPAND_VARIABLES(bld.env.LIBDIR)) + if bld.env.RPATH_ON_INSTALL_PRIVATE and needs_private_lib(bld, target): + ret.add(bld.EXPAND_VARIABLES(bld.env.PRIVATELIBDIR)) + return list(ret) + + +def build_rpath(bld): + '''the rpath value for build''' + rpaths = [os.path.normpath('%s/%s' % (bld.env.BUILD_DIRECTORY, d)) for d in ("shared", "shared/private")] + bld.env['RPATH'] = [] + if bld.env.RPATH_ON_BUILD: + return rpaths + for rpath in rpaths: + ADD_LD_LIBRARY_PATH(rpath) + return [] + + +@conf +def LOCAL_CACHE(ctx, name): + '''return a named build cache dictionary, used to store + state inside other functions''' + if name in ctx.env: + return ctx.env[name] + ctx.env[name] = {} + return ctx.env[name] + + +@conf +def LOCAL_CACHE_SET(ctx, cachename, key, value): + '''set a value in a local cache''' + cache = LOCAL_CACHE(ctx, cachename) + cache[key] = value + + +@conf +def ASSERT(ctx, expression, msg): + '''a build assert call''' + if not expression: + raise Errors.WafError("ERROR: %s\n" % msg) +Build.BuildContext.ASSERT = ASSERT + + +def SUBDIR(bld, subdir, list): + '''create a list of files by pre-pending each with a subdir name''' + ret = '' + for l in TO_LIST(list): + ret = ret + os.path.normpath(os.path.join(subdir, l)) + ' ' + return ret +Build.BuildContext.SUBDIR = SUBDIR + + +def dict_concat(d1, d2): + '''concatenate two dictionaries d1 += d2''' + for t in d2: + if t not in d1: + d1[t] = d2[t] + +def ADD_COMMAND(opt, name, function): + '''add a new top level command to waf''' + Context.g_module.__dict__[name] = function + opt.name = function +Options.OptionsContext.ADD_COMMAND = ADD_COMMAND + + +@feature('c', 'cc', 'cshlib', 'cprogram') +@before('apply_core','exec_rule') +def process_depends_on(self): + '''The new depends_on attribute for build rules + allow us to specify a dependency on output from + a source generation rule''' + if getattr(self , 'depends_on', None): + lst = self.to_list(self.depends_on) + for x in lst: + y = self.bld.get_tgen_by_name(x) + self.bld.ASSERT(y is not None, "Failed to find dependency %s of %s" % (x, self.name)) + y.post() + if getattr(y, 'more_includes', None): + self.includes += " " + y.more_includes + + +def unique_list(seq): + '''return a uniquified list in the same order as the existing list''' + seen = {} + result = [] + for item in seq: + if item in seen: continue + seen[item] = True + result.append(item) + return result + + +def TO_LIST(str, delimiter=None): + '''Split a list, preserving quoted strings and existing lists''' + if str is None: + return [] + if isinstance(str, list): + # we need to return a new independent list... + return list(str) + if len(str) == 0: + return [] + lst = str.split(delimiter) + # the string may have had quotes in it, now we + # check if we did have quotes, and use the slower shlex + # if we need to + for e in lst: + if e[0] == '"': + return shlex.split(str) + return lst + + +def subst_vars_error(string, env): + '''substitute vars, throw an error if a variable is not defined''' + lst = re.split(r'(\$\{\w+\})', string) + out = [] + for v in lst: + if re.match(r'\$\{\w+\}', v): + vname = v[2:-1] + if not vname in env: + raise KeyError("Failed to find variable %s in %s in env %s <%s>" % (vname, string, env.__class__, str(env))) + v = env[vname] + if isinstance(v, list): + v = ' '.join(v) + out.append(v) + return ''.join(out) + + +@conf +def SUBST_ENV_VAR(ctx, varname): + '''Substitute an environment variable for any embedded variables''' + return subst_vars_error(ctx.env[varname], ctx.env) +Build.BuildContext.SUBST_ENV_VAR = SUBST_ENV_VAR + + +def recursive_dirlist(dir, relbase, pattern=None): + '''recursive directory list''' + ret = [] + for f in os.listdir(dir): + f2 = dir + '/' + f + if os.path.isdir(f2): + ret.extend(recursive_dirlist(f2, relbase)) + else: + if pattern and not fnmatch.fnmatch(f, pattern): + continue + ret.append(os.path.relpath(f2, relbase)) + return ret + + +def symlink(src, dst, force=True): + """Can create symlink by force""" + try: + os.symlink(src, dst) + except OSError as exc: + if exc.errno == errno.EEXIST and force: + os.remove(dst) + os.symlink(src, dst) + else: + raise + + +def mkdir_p(dir): + '''like mkdir -p''' + if not dir: + return + if dir.endswith("/"): + mkdir_p(dir[:-1]) + return + if os.path.isdir(dir): + return + mkdir_p(os.path.dirname(dir)) + os.mkdir(dir) + + +def SUBST_VARS_RECURSIVE(string, env): + '''recursively expand variables''' + if string is None: + return string + limit=100 + while (string.find('${') != -1 and limit > 0): + string = subst_vars_error(string, env) + limit -= 1 + return string + + +@conf +def EXPAND_VARIABLES(ctx, varstr, vars=None): + '''expand variables from a user supplied dictionary + + This is most useful when you pass vars=locals() to expand + all your local variables in strings + ''' + + if isinstance(varstr, list): + ret = [] + for s in varstr: + ret.append(EXPAND_VARIABLES(ctx, s, vars=vars)) + return ret + + if not isinstance(varstr, str): + return varstr + + env = ConfigSet.ConfigSet() + ret = varstr + # substitute on user supplied dict if available + if vars is not None: + for v in vars.keys(): + env[v] = vars[v] + ret = SUBST_VARS_RECURSIVE(ret, env) + + # if anything left, subst on the environment as well + if ret.find('${') != -1: + ret = SUBST_VARS_RECURSIVE(ret, ctx.env) + # make sure there is nothing left. Also check for the common + # typo of $( instead of ${ + if ret.find('${') != -1 or ret.find('$(') != -1: + Logs.error('Failed to substitute all variables in varstr=%s' % ret) + sys.exit(1) + return ret +Build.BuildContext.EXPAND_VARIABLES = EXPAND_VARIABLES + + +def RUN_COMMAND(cmd, + env=None, + shell=False): + '''run a external command, return exit code or signal''' + if env: + cmd = SUBST_VARS_RECURSIVE(cmd, env) + + status = os.system(cmd) + if os.WIFEXITED(status): + return os.WEXITSTATUS(status) + if os.WIFSIGNALED(status): + return - os.WTERMSIG(status) + Logs.error("Unknown exit reason %d for command: %s" % (status, cmd)) + return -1 + + +def RUN_PYTHON_TESTS(testfiles, pythonpath=None, extra_env=None): + env = LOAD_ENVIRONMENT() + if pythonpath is None: + pythonpath = os.path.join(Context.g_module.out, 'python') + result = 0 + for interp in env.python_interpreters: + if not isinstance(interp, str): + interp = ' '.join(interp) + for testfile in testfiles: + cmd = "PYTHONPATH=%s %s %s" % (pythonpath, interp, testfile) + if extra_env: + for key, value in extra_env.items(): + cmd = "%s=%s %s" % (key, value, cmd) + print('Running Python test with %s: %s' % (interp, testfile)) + ret = RUN_COMMAND(cmd) + if ret: + print('Python test failed: %s' % cmd) + result = ret + return result + + +# make sure we have md5. some systems don't have it +try: + from hashlib import md5 + # Even if hashlib.md5 exists, it may be unusable. + # Try to use MD5 function. In FIPS mode this will cause an exception + # and we'll get to the replacement code + foo = md5(b'abcd') +except: + try: + import md5 + # repeat the same check here, mere success of import is not enough. + # Try to use MD5 function. In FIPS mode this will cause an exception + foo = md5.md5(b'abcd') + except: + Context.SIG_NIL = hash('abcd') + class replace_md5(object): + def __init__(self): + self.val = None + def update(self, val): + self.val = hash((self.val, val)) + def digest(self): + return str(self.val) + def hexdigest(self): + return self.digest().encode('hex') + def replace_h_file(filename): + f = open(filename, 'rb') + m = replace_md5() + while (filename): + filename = f.read(100000) + m.update(filename) + f.close() + return m.digest() + Utils.md5 = replace_md5 + Task.md5 = replace_md5 + Utils.h_file = replace_h_file + + +def LOAD_ENVIRONMENT(): + '''load the configuration environment, allowing access to env vars + from new commands''' + env = ConfigSet.ConfigSet() + try: + p = os.path.join(Context.g_module.out, 'c4che/default'+CACHE_SUFFIX) + env.load(p) + except (OSError, IOError): + pass + return env + + +def IS_NEWER(bld, file1, file2): + '''return True if file1 is newer than file2''' + curdir = bld.path.abspath() + t1 = os.stat(os.path.join(curdir, file1)).st_mtime + t2 = os.stat(os.path.join(curdir, file2)).st_mtime + return t1 > t2 +Build.BuildContext.IS_NEWER = IS_NEWER + + +@conf +def RECURSE(ctx, directory): + '''recurse into a directory, relative to the curdir or top level''' + try: + visited_dirs = ctx.visited_dirs + except AttributeError: + visited_dirs = ctx.visited_dirs = set() + d = os.path.join(ctx.path.abspath(), directory) + if os.path.exists(d): + abspath = os.path.abspath(d) + else: + abspath = os.path.abspath(os.path.join(Context.g_module.top, directory)) + ctxclass = ctx.__class__.__name__ + key = ctxclass + ':' + abspath + if key in visited_dirs: + # already done it + return + visited_dirs.add(key) + relpath = os.path.relpath(abspath, ctx.path.abspath()) + if ctxclass in ['OptionsContext', + 'ConfigurationContext', + 'BuildContext', + 'CleanContext', + 'InstallContext', + 'UninstallContext', + 'ListContext']: + return ctx.recurse(relpath) + if 'waflib.extras.compat15' in sys.modules: + return ctx.recurse(relpath) + raise Errors.WafError('Unknown RECURSE context class: {}'.format(ctxclass)) +Options.OptionsContext.RECURSE = RECURSE +Build.BuildContext.RECURSE = RECURSE + + +def CHECK_MAKEFLAGS(options): + '''check for MAKEFLAGS environment variable in case we are being + called from a Makefile try to honor a few make command line flags''' + if not 'WAF_MAKE' in os.environ: + return + makeflags = os.environ.get('MAKEFLAGS') + if makeflags is None: + makeflags = "" + jobs_set = False + jobs = None + # we need to use shlex.split to cope with the escaping of spaces + # in makeflags + for opt in shlex.split(makeflags): + # options can come either as -x or as x + if opt[0:2] == 'V=': + options.verbose = Logs.verbose = int(opt[2:]) + if Logs.verbose > 0: + Logs.zones = ['runner'] + if Logs.verbose > 2: + Logs.zones = ['*'] + elif opt[0].isupper() and opt.find('=') != -1: + # this allows us to set waf options on the make command line + # for example, if you do "make FOO=blah", then we set the + # option 'FOO' in Options.options, to blah. If you look in wafsamba/wscript + # you will see that the command line accessible options have their dest= + # set to uppercase, to allow for passing of options from make in this way + # this is also how "make test TESTS=testpattern" works, and + # "make VERBOSE=1" as well as things like "make SYMBOLCHECK=1" + loc = opt.find('=') + setattr(options, opt[0:loc], opt[loc+1:]) + elif opt[0] != '-': + for v in opt: + if re.search(r'j[0-9]*$', v): + jobs_set = True + jobs = opt.strip('j') + elif v == 'k': + options.keep = True + elif re.search(r'-j[0-9]*$', opt): + jobs_set = True + jobs = opt.strip('-j') + elif opt == '-k': + options.keep = True + if not jobs_set: + # default to one job + options.jobs = 1 + elif jobs_set and jobs: + options.jobs = int(jobs) + +waflib_options_parse_cmd_args = Options.OptionsContext.parse_cmd_args +def wafsamba_options_parse_cmd_args(self, _args=None, cwd=None, allow_unknown=False): + (options, commands, envvars) = \ + waflib_options_parse_cmd_args(self, + _args=_args, + cwd=cwd, + allow_unknown=allow_unknown) + CHECK_MAKEFLAGS(options) + if options.jobs == 1: + # + # waflib.Runner.Parallel processes jobs inline if the possible number + # of jobs is just 1. But (at least in waf <= 2.0.12) it still calls + # create a waflib.Runner.Spawner() which creates a single + # waflib.Runner.Consumer() thread that tries to process jobs from the + # queue. + # + # This has strange effects, which are not noticed typically, + # but at least on AIX python has broken threading and fails + # in random ways. + # + # So we just add a dummy Spawner class. + class NoOpSpawner(object): + def __init__(self, master): + return + from waflib import Runner + Runner.Spawner = NoOpSpawner + return options, commands, envvars +Options.OptionsContext.parse_cmd_args = wafsamba_options_parse_cmd_args + +option_groups = {} + +def option_group(opt, name): + '''find or create an option group''' + global option_groups + if name in option_groups: + return option_groups[name] + gr = opt.add_option_group(name) + option_groups[name] = gr + return gr +Options.OptionsContext.option_group = option_group + + +def save_file(filename, contents, create_dir=False): + '''save data to a file''' + if create_dir: + mkdir_p(os.path.dirname(filename)) + try: + f = open(filename, 'w') + f.write(contents) + f.close() + except: + return False + return True + + +def load_file(filename): + '''return contents of a file''' + try: + f = open(filename, 'r') + r = f.read() + f.close() + except: + return None + return r + + +def reconfigure(ctx): + '''rerun configure if necessary''' + if not os.path.exists(os.environ.get('WAFLOCK', '.lock-wscript')): + raise Errors.WafError('configure has not been run') + import samba_wildcard + bld = samba_wildcard.fake_build_environment() + Configure.autoconfig = True + Scripting.check_configured(bld) + + +def map_shlib_extension(ctx, name, python=False): + '''map a filename with a shared library extension of .so to the real shlib name''' + if name is None: + return None + if name[-1:].isdigit(): + # some libraries have specified versions in the wscript rule + return name + (root1, ext1) = os.path.splitext(name) + if python: + return ctx.env.pyext_PATTERN % root1 + else: + (root2, ext2) = os.path.splitext(ctx.env.cshlib_PATTERN) + return root1+ext2 +Build.BuildContext.map_shlib_extension = map_shlib_extension + +def apply_pattern(filename, pattern): + '''apply a filename pattern to a filename that may have a directory component''' + dirname = os.path.dirname(filename) + if not dirname: + return pattern % filename + basename = os.path.basename(filename) + return os.path.join(dirname, pattern % basename) + +def make_libname(ctx, name, nolibprefix=False, version=None, python=False): + """make a library filename + Options: + nolibprefix: don't include the lib prefix + version : add a version number + python : if we should use python module name conventions""" + + if python: + libname = apply_pattern(name, ctx.env.pyext_PATTERN) + else: + libname = apply_pattern(name, ctx.env.cshlib_PATTERN) + if nolibprefix and libname[0:3] == 'lib': + libname = libname[3:] + if version: + if version[0] == '.': + version = version[1:] + (root, ext) = os.path.splitext(libname) + if ext == ".dylib": + # special case - version goes before the prefix + libname = "%s.%s%s" % (root, version, ext) + else: + libname = "%s%s.%s" % (root, ext, version) + return libname +Build.BuildContext.make_libname = make_libname + + +def get_tgt_list(bld): + '''return a list of build objects for samba''' + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + # build a list of task generators we are interested in + tgt_list = [] + for tgt in targets: + type = targets[tgt] + if not type in ['SUBSYSTEM', 'BUILTIN', 'MODULE', 'BINARY', 'LIBRARY', 'PLUGIN', 'ASN1', 'PYTHON']: + continue + t = bld.get_tgen_by_name(tgt) + if t is None: + Logs.error("Target %s of type %s has no task generator" % (tgt, type)) + sys.exit(1) + tgt_list.append(t) + return tgt_list + +from waflib.Context import WSCRIPT_FILE +def PROCESS_SEPARATE_RULE(self, rule): + ''' cause waf to process additional script based on `rule'. + You should have file named wscript_<stage>_rule in the current directory + where stage is either 'configure' or 'build' + ''' + stage = '' + if isinstance(self, Configure.ConfigurationContext): + stage = 'configure' + elif isinstance(self, Build.BuildContext): + stage = 'build' + file_path = os.path.join(self.path.abspath(), WSCRIPT_FILE+'_'+stage+'_'+rule) + node = self.root.find_node(file_path) + if node: + try: + cache = self.recurse_cache + except AttributeError: + cache = self.recurse_cache = {} + if node not in cache: + cache[node] = True + self.pre_recurse(node) + try: + function_code = node.read('r', None) + exec(compile(function_code, node.abspath(), 'exec'), self.exec_dict) + finally: + self.post_recurse(node) + +Build.BuildContext.PROCESS_SEPARATE_RULE = PROCESS_SEPARATE_RULE +ConfigurationContext.PROCESS_SEPARATE_RULE = PROCESS_SEPARATE_RULE + +def AD_DC_BUILD_IS_ENABLED(self): + if self.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'): + return True + return False + +Build.BuildContext.AD_DC_BUILD_IS_ENABLED = AD_DC_BUILD_IS_ENABLED + +@feature('cprogram', 'cshlib', 'cstaticlib') +@after('apply_lib_vars') +@before('apply_obj_vars') +def samba_before_apply_obj_vars(self): + """before apply_obj_vars for uselib, this removes the standard paths""" + + def is_standard_libpath(env, path): + normalized_path = os.path.normpath(path) + for _path in env.STANDARD_LIBPATH: + if _path == normalized_path: + return True + return False + + v = self.env + + for i in v['RPATH']: + if is_standard_libpath(v, i): + v['RPATH'].remove(i) + + for i in v['LIBPATH']: + if is_standard_libpath(v, i): + v['LIBPATH'].remove(i) + +# Samba options are mostly on by default (administrators and packagers +# specify features to remove, not add), which is why default=True + +def samba_add_onoff_option(opt, option, help=(), dest=None, default=True, + with_name="with", without_name="without"): + if default is None: + default_str = "auto" + elif default is True: + default_str = "yes" + elif default is False: + default_str = "no" + else: + default_str = str(default) + + if help == (): + help = ("Build with %s support (default=%s)" % (option, default_str)) + if dest is None: + dest = "with_%s" % option.replace('-', '_') + + with_val = "--%s-%s" % (with_name, option) + without_val = "--%s-%s" % (without_name, option) + + opt.add_option(with_val, help=help, action="store_true", dest=dest, + default=default) + opt.add_option(without_val, help=SUPPRESS_HELP, action="store_false", + dest=dest) +Options.OptionsContext.samba_add_onoff_option = samba_add_onoff_option diff --git a/buildtools/wafsamba/samba_version.py b/buildtools/wafsamba/samba_version.py new file mode 100644 index 0000000..31103e0 --- /dev/null +++ b/buildtools/wafsamba/samba_version.py @@ -0,0 +1,268 @@ +import os, sys +from waflib import Utils, Context +import samba_utils +from samba_git import find_git + +def git_version_summary(path, env=None): + git = find_git(env) + + if git is None: + return ("GIT-UNKNOWN", {}) + + env.GIT = git + + environ = dict(os.environ) + environ["GIT_DIR"] = '%s/.git' % path + environ["GIT_WORK_TREE"] = path + git = samba_utils.get_string(Utils.cmd_output(env.GIT + ' show --pretty=format:"%h%n%ct%n%H%n%cd" --stat HEAD', silent=True, env=environ)) + + lines = git.splitlines() + if not lines or len(lines) < 4: + return ("GIT-UNKNOWN", {}) + + fields = { + "GIT_COMMIT_ABBREV": lines[0], + "GIT_COMMIT_FULLREV": lines[2], + "COMMIT_TIME": int(lines[1]), + "COMMIT_DATE": lines[3], + } + + ret = "GIT-" + fields["GIT_COMMIT_ABBREV"] + + if env.GIT_LOCAL_CHANGES: + clean = Utils.cmd_output('%s diff HEAD | wc -l' % env.GIT, silent=True).strip() + if clean == "0": + fields["COMMIT_IS_CLEAN"] = 1 + else: + fields["COMMIT_IS_CLEAN"] = 0 + ret += "+" + + return (ret, fields) + + +def distversion_version_summary(path): + #get version from .distversion file + suffix = None + fields = {} + + for line in Utils.readf(path + '/.distversion').splitlines(): + if line == '': + continue + if line.startswith("#"): + continue + try: + split_line = line.split("=") + if split_line[1] != "": + key = split_line[0] + value = split_line[1] + if key == "SUFFIX": + suffix = value + continue + fields[key] = value + except: + print("Failed to parse line %s from .distversion file." % (line)) + raise + + if "COMMIT_TIME" in fields: + fields["COMMIT_TIME"] = int(fields["COMMIT_TIME"]) + + if suffix is None: + return ("UNKNOWN", fields) + + return (suffix, fields) + + +class SambaVersion(object): + + def __init__(self, version_dict, path, env=None, is_install=True): + '''Determine the version number of samba + +See VERSION for the format. Entries on that file are +also accepted as dictionary entries here + ''' + + self.MAJOR=None + self.MINOR=None + self.RELEASE=None + self.REVISION=None + self.TP_RELEASE=None + self.ALPHA_RELEASE=None + self.BETA_RELEASE=None + self.PRE_RELEASE=None + self.RC_RELEASE=None + self.IS_SNAPSHOT=True + self.RELEASE_NICKNAME=None + self.VENDOR_SUFFIX=None + self.VENDOR_PATCH=None + + for a, b in version_dict.items(): + if a.startswith("SAMBA_VERSION_"): + setattr(self, a[14:], b) + else: + setattr(self, a, b) + + if self.IS_GIT_SNAPSHOT == "yes": + self.IS_SNAPSHOT=True + elif self.IS_GIT_SNAPSHOT == "no": + self.IS_SNAPSHOT=False + else: + raise Exception("Unknown value for IS_GIT_SNAPSHOT: %s" % self.IS_GIT_SNAPSHOT) + + ## + ## start with "3.0.22" + ## + self.MAJOR=int(self.MAJOR) + self.MINOR=int(self.MINOR) + self.RELEASE=int(self.RELEASE) + + SAMBA_VERSION_STRING = ("%u.%u.%u" % (self.MAJOR, self.MINOR, self.RELEASE)) + +## +## maybe add "3.0.22a" or "4.0.0tp11" or "4.0.0alpha1" or "4.0.0beta1" or "3.0.22pre1" or "3.0.22rc1" +## We do not do pre or rc version on patch/letter releases +## + if self.REVISION is not None: + SAMBA_VERSION_STRING += self.REVISION + if self.TP_RELEASE is not None: + self.TP_RELEASE = int(self.TP_RELEASE) + SAMBA_VERSION_STRING += "tp%u" % self.TP_RELEASE + if self.ALPHA_RELEASE is not None: + self.ALPHA_RELEASE = int(self.ALPHA_RELEASE) + SAMBA_VERSION_STRING += ("alpha%u" % self.ALPHA_RELEASE) + if self.BETA_RELEASE is not None: + self.BETA_RELEASE = int(self.BETA_RELEASE) + SAMBA_VERSION_STRING += ("beta%u" % self.BETA_RELEASE) + if self.PRE_RELEASE is not None: + self.PRE_RELEASE = int(self.PRE_RELEASE) + SAMBA_VERSION_STRING += ("pre%u" % self.PRE_RELEASE) + if self.RC_RELEASE is not None: + self.RC_RELEASE = int(self.RC_RELEASE) + SAMBA_VERSION_STRING += ("rc%u" % self.RC_RELEASE) + + if self.IS_SNAPSHOT: + if not is_install: + suffix = "DEVELOPERBUILD" + self.vcs_fields = {} + elif os.path.exists(os.path.join(path, ".git")): + suffix, self.vcs_fields = git_version_summary(path, env=env) + elif os.path.exists(os.path.join(path, ".distversion")): + suffix, self.vcs_fields = distversion_version_summary(path) + else: + suffix = "UNKNOWN" + self.vcs_fields = {} + self.vcs_fields["SUFFIX"] = suffix + SAMBA_VERSION_STRING += "-" + suffix + else: + self.vcs_fields = {} + + self.OFFICIAL_STRING = SAMBA_VERSION_STRING + + if self.VENDOR_SUFFIX is not None: + SAMBA_VERSION_STRING += ("-" + self.VENDOR_SUFFIX) + self.VENDOR_SUFFIX = self.VENDOR_SUFFIX + + if self.VENDOR_PATCH is not None: + SAMBA_VERSION_STRING += ("-" + self.VENDOR_PATCH) + self.VENDOR_PATCH = self.VENDOR_PATCH + + self.STRING = SAMBA_VERSION_STRING + + if self.RELEASE_NICKNAME is not None: + self.STRING_WITH_NICKNAME = "%s (%s)" % (self.STRING, self.RELEASE_NICKNAME) + else: + self.STRING_WITH_NICKNAME = self.STRING + + def __str__(self): + string="/* Autogenerated by waf */\n" +\ + "#define SAMBA_COPYRIGHT_STRING \"%s\"\n" % self.SAMBA_COPYRIGHT_STRING +\ + "#define SAMBA_VERSION_MAJOR %u\n" % self.MAJOR +\ + "#define SAMBA_VERSION_MINOR %u\n" % self.MINOR +\ + "#define SAMBA_VERSION_RELEASE %u\n" % self.RELEASE + if self.REVISION is not None: + string+="#define SAMBA_VERSION_REVISION %u\n" % self.REVISION + + if self.TP_RELEASE is not None: + string+="#define SAMBA_VERSION_TP_RELEASE %u\n" % self.TP_RELEASE + + if self.ALPHA_RELEASE is not None: + string+="#define SAMBA_VERSION_ALPHA_RELEASE %u\n" % self.ALPHA_RELEASE + + if self.BETA_RELEASE is not None: + string+="#define SAMBA_VERSION_BETA_RELEASE %u\n" % self.BETA_RELEASE + + if self.PRE_RELEASE is not None: + string+="#define SAMBA_VERSION_PRE_RELEASE %u\n" % self.PRE_RELEASE + + if self.RC_RELEASE is not None: + string+="#define SAMBA_VERSION_RC_RELEASE %u\n" % self.RC_RELEASE + + for name in sorted(self.vcs_fields.keys()): + string+="#define SAMBA_VERSION_%s " % name + value = self.vcs_fields[name] + string_types = str + if sys.version_info[0] < 3: + string_types = basestring + if isinstance(value, string_types): + string += "\"%s\"" % value + elif type(value) is int: + string += "%d" % value + else: + raise Exception("Unknown type for %s: %r" % (name, value)) + string += "\n" + + string+="#define SAMBA_VERSION_OFFICIAL_STRING \"" + self.OFFICIAL_STRING + "\"\n" + + if self.VENDOR_SUFFIX is not None: + string+="#define SAMBA_VERSION_VENDOR_SUFFIX " + self.VENDOR_SUFFIX + "\n" + if self.VENDOR_PATCH is not None: + string+="#define SAMBA_VERSION_VENDOR_PATCH " + self.VENDOR_PATCH + "\n" + + if self.RELEASE_NICKNAME is not None: + string+="#define SAMBA_VERSION_RELEASE_NICKNAME " + self.RELEASE_NICKNAME + "\n" + + # We need to put this #ifdef in to the headers so that vendors can override the version with a function + string+=''' +#ifdef SAMBA_VERSION_VENDOR_FUNCTION +# define SAMBA_VERSION_STRING SAMBA_VERSION_VENDOR_FUNCTION +#else /* SAMBA_VERSION_VENDOR_FUNCTION */ +# define SAMBA_VERSION_STRING "''' + self.STRING_WITH_NICKNAME + '''" +#endif +''' + string+="/* Version for mkrelease.sh: \nSAMBA_VERSION_STRING=" + self.STRING_WITH_NICKNAME + "\n */\n" + + return string + + +def samba_version_file(version_file, path, env=None, is_install=True): + '''Parse the version information from a VERSION file''' + + with open(version_file, 'r') as f: + version_dict = {} + for line in f: + line = line.strip() + if line == '': + continue + if line.startswith("#"): + continue + try: + split_line = line.split("=") + if split_line[1] != "": + value = split_line[1].strip('"') + version_dict[split_line[0]] = value + except: + print("Failed to parse line %s from %s" % (line, version_file)) + raise + + return SambaVersion(version_dict, path, env=env, is_install=is_install) + + + +def load_version(env=None, is_install=True): + '''load samba versions either from ./VERSION or git + return a version object for detailed breakdown''' + if not env: + env = samba_utils.LOAD_ENVIRONMENT() + + version = samba_version_file("./VERSION", ".", env, is_install=is_install) + Context.g_module.VERSION = version.STRING + return version diff --git a/buildtools/wafsamba/samba_waf18.py b/buildtools/wafsamba/samba_waf18.py new file mode 100644 index 0000000..54444b3 --- /dev/null +++ b/buildtools/wafsamba/samba_waf18.py @@ -0,0 +1,433 @@ +# compatibility layer for building with more recent waf versions + +import os, shlex, sys +from waflib import Build, Configure, Node, Utils, Options, Logs, TaskGen +from waflib import ConfigSet +from waflib.TaskGen import feature, after +from waflib.Configure import conf, ConfigurationContext + +from waflib.Tools.flex import decide_ext + +# This version of flexfun runs in tsk.get_cwd() as opposed to the +# bld.variant_dir: since input paths adjusted against tsk.get_cwd(), we have to +# use tsk.get_cwd() for the work directory as well. +def flexfun(tsk): + env = tsk.env + bld = tsk.generator.bld + def to_list(xx): + if isinstance(xx, str): + return [xx] + return xx + tsk.last_cmd = lst = [] + lst.extend(to_list(env.FLEX)) + lst.extend(to_list(env.FLEXFLAGS)) + inputs = [a.path_from(tsk.get_cwd()) for a in tsk.inputs] + if env.FLEX_MSYS: + inputs = [x.replace(os.sep, '/') for x in inputs] + lst.extend(inputs) + lst = [x for x in lst if x] + txt = bld.cmd_and_log(lst, cwd=tsk.get_cwd(), env=env.env or None, quiet=0) + tsk.outputs[0].write(txt.replace('\r\n', '\n').replace('\r', '\n')) # issue #1207 + +TaskGen.declare_chain( + name = 'flex', + rule = flexfun, # issue #854 + ext_in = '.l', + decider = decide_ext, +) + +Build.BuildContext.variant = 'default' +Build.CleanContext.variant = 'default' +Build.InstallContext.variant = 'default' +Build.UninstallContext.variant = 'default' +Build.ListContext.variant = 'default' + +def abspath(self, env=None): + if env and hasattr(self, 'children'): + return self.get_bld().abspath() + return self.old_abspath() +Node.Node.old_abspath = Node.Node.abspath +Node.Node.abspath = abspath + +def bldpath(self, env=None): + return self.abspath() + #return self.path_from(self.ctx.bldnode.parent) +Node.Node.bldpath = bldpath + +def srcpath(self, env=None): + return self.abspath() + #return self.path_from(self.ctx.bldnode.parent) +Node.Node.srcpath = srcpath + +def store_fast(self, filename): + file = open(filename, 'wb') + data = self.get_merged_dict() + try: + Build.cPickle.dump(data, file, -1) + finally: + file.close() +ConfigSet.ConfigSet.store_fast = store_fast + +def load_fast(self, filename): + file = open(filename, 'rb') + try: + data = Build.cPickle.load(file) + finally: + file.close() + self.table.update(data) +ConfigSet.ConfigSet.load_fast = load_fast + +@feature('c', 'cxx', 'd', 'asm', 'fc', 'includes') +@after('propagate_uselib_vars', 'process_source') +def apply_incpaths(self): + lst = self.to_incnodes(self.to_list(getattr(self, 'includes', [])) + self.env['INCLUDES']) + self.includes_nodes = lst + cwdx = getattr(self.bld, 'cwdx', self.bld.bldnode) + self.env['INCPATHS'] = [x.path_from(cwdx) for x in lst] + +@conf +def define(self, key, val, quote=True, comment=None): + assert key and isinstance(key, str) + + if val is None: + val = () + elif isinstance(val, bool): + val = int(val) + + # waf 1.5 + self.env[key] = val + + if isinstance(val, int) or isinstance(val, float): + s = '%s=%s' + else: + s = quote and '%s="%s"' or '%s=%s' + app = s % (key, str(val)) + + ban = key + '=' + lst = self.env.DEFINES + for x in lst: + if x.startswith(ban): + lst[lst.index(x)] = app + break + else: + self.env.append_value('DEFINES', app) + + self.env.append_unique('define_key', key) + +# compat15 removes this but we want to keep it +@conf +def undefine(self, key, from_env=True, comment=None): + assert key and isinstance(key, str) + + ban = key + '=' + self.env.DEFINES = [x for x in self.env.DEFINES if not x.startswith(ban)] + self.env.append_unique('define_key', key) + # waf 1.5 + if from_env: + self.env[key] = () + +class ConfigurationContext(Configure.ConfigurationContext): + def init_dirs(self): + self.setenv('default') + self.env.merge_config_header = True + return super(ConfigurationContext, self).init_dirs() + +def find_program_samba(self, *k, **kw): + # Override the waf default set in the @conf decorator in Configure.py + if 'mandatory' not in kw: + kw['mandatory'] = False + ret = self.find_program_old(*k, **kw) + return ret +Configure.ConfigurationContext.find_program_old = Configure.ConfigurationContext.find_program +Configure.ConfigurationContext.find_program = find_program_samba + +Build.BuildContext.ENFORCE_GROUP_ORDERING = Utils.nada +Build.BuildContext.AUTOCLEANUP_STALE_FILES = Utils.nada + +@conf +def check(self, *k, **kw): + '''Override the waf defaults to inject --with-directory options''' + + # match the configuration test with specific options, for example: + # --with-libiconv -> Options.options.iconv_open -> "Checking for library iconv" + self.validate_c(kw) + + additional_dirs = [] + if 'msg' in kw: + msg = kw['msg'] + for x in Options.OptionsContext.parser.parser.option_list: + if getattr(x, 'match', None) and msg in x.match: + d = getattr(Options.options, x.dest, '') + if d: + additional_dirs.append(d) + + # we add the additional dirs twice: once for the test data, and again if the compilation test succeeds below + def add_options_dir(dirs, env): + for x in dirs: + if not x in env.CPPPATH: + env.CPPPATH = [os.path.join(x, 'include')] + env.CPPPATH + if not x in env.LIBPATH: + env.LIBPATH = [os.path.join(x, 'lib')] + env.LIBPATH + + add_options_dir(additional_dirs, kw['env']) + + self.start_msg(kw['msg'], **kw) + ret = None + try: + ret = self.run_build(*k, **kw) + except self.errors.ConfigurationError: + self.end_msg(kw['errmsg'], 'YELLOW', **kw) + if Logs.verbose > 1: + raise + else: + self.fatal('The configuration failed') + else: + kw['success'] = ret + # success! time for brandy + add_options_dir(additional_dirs, self.env) + + ret = self.post_check(*k, **kw) + if not ret: + self.end_msg(kw['errmsg'], 'YELLOW', **kw) + self.fatal('The configuration failed %r' % ret) + else: + self.end_msg(self.ret_msg(kw['okmsg'], kw), **kw) + return ret + +@conf +def CHECK_LIBRARY_SUPPORT(conf, rpath=False, version_script=False, msg=None): + '''see if the platform supports building libraries''' + + if msg is None: + if rpath: + msg = "rpath library support" + else: + msg = "building library support" + + def build(bld): + lib_node = bld.srcnode.make_node('libdir/liblc1.c') + lib_node.parent.mkdir() + lib_node.write('int lib_func(void) { return 42; }\n', 'w') + main_node = bld.srcnode.make_node('main.c') + main_node.write('int lib_func(void);\n' + 'int main(void) {return !(lib_func() == 42);}', 'w') + linkflags = [] + if version_script: + script = bld.srcnode.make_node('ldscript') + script.write('TEST_1.0A2 { global: *; };\n', 'w') + linkflags.append('-Wl,--version-script=%s' % script.abspath()) + bld(features='c cshlib', source=lib_node, target='lib1', linkflags=linkflags, name='lib1') + o = bld(features='c cprogram', source=main_node, target='prog1', uselib_local='lib1') + if rpath: + o.rpath = [lib_node.parent.abspath()] + def run_app(self): + args = conf.SAMBA_CROSS_ARGS(msg=msg) + env = dict(os.environ) + env['LD_LIBRARY_PATH'] = self.inputs[0].parent.abspath() + os.pathsep + env.get('LD_LIBRARY_PATH', '') + self.generator.bld.cmd_and_log([self.inputs[0].abspath()] + args, env=env) + o.post() + bld(rule=run_app, source=o.link_task.outputs[0]) + + # ok, so it builds + try: + conf.check(build_fun=build, msg='Checking for %s' % msg) + except conf.errors.ConfigurationError: + return False + return True + +@conf +def CHECK_NEED_LC(conf, msg): + '''check if we need -lc''' + def build(bld): + lib_node = bld.srcnode.make_node('libdir/liblc1.c') + lib_node.parent.mkdir() + lib_node.write('#include <stdio.h>\nint lib_func(void) { FILE *f = fopen("foo", "r");}\n', 'w') + bld(features='c cshlib', source=[lib_node], linkflags=conf.env.EXTRA_LDFLAGS, target='liblc') + try: + conf.check(build_fun=build, msg=msg, okmsg='-lc is unnecessary', errmsg='-lc is necessary') + except conf.errors.ConfigurationError: + return False + return True + +# already implemented on "waf -v" +def order(bld, tgt_list): + return True +Build.BuildContext.check_group_ordering = order + +@conf +def CHECK_CFG(self, *k, **kw): + if 'args' in kw: + kw['args'] = shlex.split(kw['args']) + if not 'mandatory' in kw: + kw['mandatory'] = False + kw['global_define'] = True + return self.check_cfg(*k, **kw) + +def cmd_output(cmd, **kw): + + silent = False + if 'silent' in kw: + silent = kw['silent'] + del(kw['silent']) + + if 'e' in kw: + tmp = kw['e'] + del(kw['e']) + kw['env'] = tmp + + kw['shell'] = isinstance(cmd, str) + kw['stdout'] = Utils.subprocess.PIPE + if silent: + kw['stderr'] = Utils.subprocess.PIPE + + try: + p = Utils.subprocess.Popen(cmd, **kw) + output = p.communicate()[0] + except OSError as e: + raise ValueError(str(e)) + + if p.returncode: + if not silent: + msg = "command execution failed: %s -> %r" % (cmd, str(output)) + raise ValueError(msg) + output = '' + return output +Utils.cmd_output = cmd_output + + +@TaskGen.feature('c', 'cxx', 'd') +@TaskGen.before('apply_incpaths', 'propagate_uselib_vars') +@TaskGen.after('apply_link', 'process_source') +def apply_uselib_local(self): + """ + process the uselib_local attribute + execute after apply_link because of the execution order set on 'link_task' + """ + env = self.env + from waflib.Tools.ccroot import stlink_task + + # 1. the case of the libs defined in the project (visit ancestors first) + # the ancestors external libraries (uselib) will be prepended + self.uselib = self.to_list(getattr(self, 'uselib', [])) + self.includes = self.to_list(getattr(self, 'includes', [])) + names = self.to_list(getattr(self, 'uselib_local', [])) + get = self.bld.get_tgen_by_name + seen = set() + seen_uselib = set() + tmp = Utils.deque(names) # consume a copy of the list of names + if tmp: + if Logs.verbose: + Logs.warn('compat: "uselib_local" is deprecated, replace by "use"') + while tmp: + lib_name = tmp.popleft() + # visit dependencies only once + if lib_name in seen: + continue + + y = get(lib_name) + y.post() + seen.add(lib_name) + + # object has ancestors to process (shared libraries): add them to the end of the list + if getattr(y, 'uselib_local', None): + for x in self.to_list(getattr(y, 'uselib_local', [])): + obj = get(x) + obj.post() + if getattr(obj, 'link_task', None): + if not isinstance(obj.link_task, stlink_task): + tmp.append(x) + + # link task and flags + if getattr(y, 'link_task', None): + + link_name = y.target[y.target.rfind(os.sep) + 1:] + if isinstance(y.link_task, stlink_task): + env.append_value('STLIB', [link_name]) + else: + # some linkers can link against programs + env.append_value('LIB', [link_name]) + + # the order + self.link_task.set_run_after(y.link_task) + + # for the recompilation + self.link_task.dep_nodes += y.link_task.outputs + + # add the link path too + tmp_path = y.link_task.outputs[0].parent.bldpath() + if not tmp_path in env['LIBPATH']: + env.prepend_value('LIBPATH', [tmp_path]) + + # add ancestors uselib too - but only propagate those that have no staticlib defined + for v in self.to_list(getattr(y, 'uselib', [])): + if v not in seen_uselib: + seen_uselib.add(v) + if not env['STLIB_' + v]: + if not v in self.uselib: + self.uselib.insert(0, v) + + # if the library task generator provides 'export_includes', add to the include path + # the export_includes must be a list of paths relative to the other library + if getattr(y, 'export_includes', None): + self.includes.extend(y.to_incnodes(y.export_includes)) + +@TaskGen.feature('cprogram', 'cxxprogram', 'cstlib', 'cxxstlib', 'cshlib', 'cxxshlib', 'dprogram', 'dstlib', 'dshlib') +@TaskGen.after('apply_link') +def apply_objdeps(self): + "add the .o files produced by some other object files in the same manner as uselib_local" + names = getattr(self, 'add_objects', []) + if not names: + return + names = self.to_list(names) + + get = self.bld.get_tgen_by_name + seen = [] + while names: + x = names[0] + + # visit dependencies only once + if x in seen: + names = names[1:] + continue + + # object does not exist ? + y = get(x) + + # object has ancestors to process first ? update the list of names + if getattr(y, 'add_objects', None): + added = 0 + lst = y.to_list(y.add_objects) + lst.reverse() + for u in lst: + if u in seen: + continue + added = 1 + names = [u]+names + if added: + continue # list of names modified, loop + + # safe to process the current object + y.post() + seen.append(x) + + for t in getattr(y, 'compiled_tasks', []): + self.link_task.inputs.extend(t.outputs) + +@TaskGen.after('apply_link') +def process_obj_files(self): + if not hasattr(self, 'obj_files'): + return + for x in self.obj_files: + node = self.path.find_resource(x) + self.link_task.inputs.append(node) + +@TaskGen.taskgen_method +def add_obj_file(self, file): + """Small example on how to link object files as if they were source + obj = bld.create_obj('cc') + obj.add_obj_file('foo.o')""" + if not hasattr(self, 'obj_files'): + self.obj_files = [] + if not 'process_obj_files' in self.meths: + self.meths.append('process_obj_files') + self.obj_files.append(file) diff --git a/buildtools/wafsamba/samba_wildcard.py b/buildtools/wafsamba/samba_wildcard.py new file mode 100644 index 0000000..1ea2803 --- /dev/null +++ b/buildtools/wafsamba/samba_wildcard.py @@ -0,0 +1,151 @@ +# based on playground/evil in the waf svn tree + +import os, datetime, fnmatch +from waflib import Scripting, Utils, Options, Logs, Errors +from waflib import ConfigSet, Context +from samba_utils import LOCAL_CACHE + +def run_task(t, k): + '''run a single build task''' + ret = t.run() + if ret: + raise Errors.WafError("Failed to build %s: %u" % (k, ret)) + + +def run_named_build_task(cmd): + '''run a named build task, matching the cmd name using fnmatch + wildcards against inputs and outputs of all build tasks''' + bld = fake_build_environment(info=False) + found = False + cwd_node = bld.root.find_dir(os.getcwd()) + top_node = bld.root.find_dir(bld.srcnode.abspath()) + + cmd = os.path.normpath(cmd) + + # cope with builds of bin/*/* + if os.path.islink(cmd): + cmd = os.path.relpath(os.readlink(cmd), os.getcwd()) + + if cmd[0:12] == "bin/default/": + cmd = cmd[12:] + + for g in bld.task_manager.groups: + for attr in ['outputs', 'inputs']: + for t in g.tasks: + s = getattr(t, attr, []) + for k in s: + relpath1 = k.relpath_gen(cwd_node) + relpath2 = k.relpath_gen(top_node) + if (fnmatch.fnmatch(relpath1, cmd) or + fnmatch.fnmatch(relpath2, cmd)): + t.position = [0,0] + print(t.display()) + run_task(t, k) + found = True + + + if not found: + raise Errors.WafError("Unable to find build target matching %s" % cmd) + + +def rewrite_compile_targets(): + '''cope with the bin/ form of compile target''' + if not Options.options.compile_targets: + return + + bld = fake_build_environment(info=False) + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + tlist = [] + + for t in Options.options.compile_targets.split(','): + if not os.path.islink(t): + tlist.append(t) + continue + link = os.readlink(t) + list = link.split('/') + for name in [list[-1], '/'.join(list[-2:])]: + if name in targets: + tlist.append(name) + continue + Options.options.compile_targets = ",".join(tlist) + + + +def wildcard_main(missing_cmd_fn): + '''this replaces main from Scripting, allowing us to override the + behaviour for unknown commands + + If a unknown command is found, then missing_cmd_fn() is called with + the name of the requested command + ''' + Scripting.commands = Options.arg_line[:] + + # rewrite the compile targets to cope with the bin/xx form + rewrite_compile_targets() + + while Scripting.commands: + x = Scripting.commands.pop(0) + + ini = datetime.datetime.now() + if x == 'configure': + fun = Scripting.configure + elif x == 'build': + fun = Scripting.build + else: + fun = getattr(Utils.g_module, x, None) + + # this is the new addition on top of main from Scripting.py + if not fun: + missing_cmd_fn(x) + break + + ctx = getattr(Utils.g_module, x + '_context', Utils.Context)() + + if x in ['init', 'shutdown', 'dist', 'distclean', 'distcheck']: + try: + fun(ctx) + except TypeError: + fun() + else: + fun(ctx) + + ela = '' + if not Options.options.progress_bar: + ela = ' (%s)' % Utils.get_elapsed_time(ini) + + if x != 'init' and x != 'shutdown': + Logs.info('%r finished successfully%s' % (x, ela)) + + if not Scripting.commands and x != 'shutdown': + Scripting.commands.append('shutdown') + + + + +def fake_build_environment(info=True, flush=False): + """create all the tasks for the project, but do not run the build + return the build context in use""" + bld = getattr(Context.g_module, 'build_context', Utils.Context)() + bld = Scripting.check_configured(bld) + + Options.commands['install'] = False + Options.commands['uninstall'] = False + + bld.is_install = 0 # False + + try: + proj = ConfigSet.ConfigSet(Options.lockfile) + except IOError: + raise Errors.WafError("Project not configured (run './configure' first)") + + bld.load_envs() + + if info: + Logs.info("Waf: Entering directory `%s'" % bld.bldnode.abspath()) + bld.add_subdirs([os.path.split(Context.g_module.root_path)[0]]) + + bld.pre_build() + if flush: + bld.flush() + return bld + diff --git a/buildtools/wafsamba/stale_files.py b/buildtools/wafsamba/stale_files.py new file mode 100644 index 0000000..ac2c2a7 --- /dev/null +++ b/buildtools/wafsamba/stale_files.py @@ -0,0 +1,114 @@ +# encoding: utf-8 +# Thomas Nagy, 2006-2010 (ita) + +""" +Add a pre-build hook to remove all build files +which do not have a corresponding target + +This can be used for example to remove the targets +that have changed name without performing +a full 'waf clean' + +Of course, it will only work if there are no dynamically generated +nodes/tasks, in which case the method will have to be modified +to exclude some folders for example. +""" + +from waflib import Logs, Build, Options, Utils, Errors +import os +from wafsamba import samba_utils +from Runner import Parallel + +old_refill_task_list = Parallel.refill_task_list +def replace_refill_task_list(self): + '''replacement for refill_task_list() that deletes stale files''' + + iit = old_refill_task_list(self) + bld = self.bld + + if not getattr(bld, 'new_rules', False): + # we only need to check for stale files if the build rules changed + return iit + + if Options.options.compile_targets: + # not safe when --target is used + return iit + + # execute only once + if getattr(self, 'cleanup_done', False): + return iit + self.cleanup_done = True + + def group_name(g): + tm = self.bld.task_manager + return [x for x in tm.groups_names if id(tm.groups_names[x]) == id(g)][0] + + bin_base = bld.bldnode.abspath() + bin_base_len = len(bin_base) + + # paranoia + if bin_base[-4:] != '/bin': + raise Errors.WafError("Invalid bin base: %s" % bin_base) + + # obtain the expected list of files + expected = [] + for i in range(len(bld.task_manager.groups)): + g = bld.task_manager.groups[i] + tasks = g.tasks_gen + for x in tasks: + try: + if getattr(x, 'target'): + tlist = samba_utils.TO_LIST(getattr(x, 'target')) + ttype = getattr(x, 'samba_type', None) + task_list = getattr(x, 'compiled_tasks', []) + if task_list: + # this gets all of the .o files, including the task + # ids, so foo.c maps to foo_3.o for idx=3 + for tsk in task_list: + for output in tsk.outputs: + objpath = os.path.normpath(output.abspath(bld.env)) + expected.append(objpath) + for t in tlist: + if ttype in ['LIBRARY', 'PLUGIN', 'MODULE']: + t = samba_utils.apply_pattern(t, bld.env.shlib_PATTERN) + if ttype == 'PYTHON': + t = samba_utils.apply_pattern(t, bld.env.pyext_PATTERN) + p = os.path.join(x.path.abspath(bld.env), t) + p = os.path.normpath(p) + expected.append(p) + for n in x.allnodes: + p = n.abspath(bld.env) + if p[0:bin_base_len] == bin_base: + expected.append(p) + except: + pass + + for root, dirs, files in os.walk(bin_base): + for f in files: + p = root + '/' + f + if os.path.islink(p): + link = os.readlink(p) + if link[0:bin_base_len] == bin_base: + p = link + if f in ['config.h']: + continue + (froot, fext) = os.path.splitext(f) + if fext not in [ '.c', '.h', '.so', '.o' ]: + continue + if f[-7:] == '.inst.h': + continue + if p.find("/.conf") != -1: + continue + if not p in expected and os.path.exists(p): + Logs.warn("Removing stale file: %s" % p) + os.unlink(p) + return iit + + +def AUTOCLEANUP_STALE_FILES(bld): + """automatically clean up any files in bin that shouldn't be there""" + global old_refill_task_list + old_refill_task_list = Parallel.refill_task_list + Parallel.refill_task_list = replace_refill_task_list + Parallel.bld = bld +Build.BuildContext.AUTOCLEANUP_STALE_FILES = AUTOCLEANUP_STALE_FILES diff --git a/buildtools/wafsamba/symbols.py b/buildtools/wafsamba/symbols.py new file mode 100644 index 0000000..99e121c --- /dev/null +++ b/buildtools/wafsamba/symbols.py @@ -0,0 +1,659 @@ +# a waf tool to extract symbols from object files or libraries +# using nm, producing a set of exposed defined/undefined symbols + +import os, re, subprocess +from waflib import Utils, Build, Options, Logs, Errors +from waflib.Logs import debug +from samba_utils import TO_LIST, LOCAL_CACHE, get_tgt_list + +# these are the data structures used in symbols.py: +# +# bld.env.symbol_map : dictionary mapping public symbol names to list of +# subsystem names where that symbol exists +# +# t.in_library : list of libraries that t is in +# +# bld.env.public_symbols: set of public symbols for each subsystem +# bld.env.used_symbols : set of used symbols for each subsystem +# +# bld.env.syslib_symbols: dictionary mapping system library name to set of symbols +# for that library +# bld.env.library_dict : dictionary mapping built library paths to subsystem names +# +# LOCAL_CACHE(bld, 'TARGET_TYPE') : dictionary mapping subsystem name to target type + + +def symbols_extract(bld, objfiles, dynamic=False): + '''extract symbols from objfile, returning a dictionary containing + the set of undefined and public symbols for each file''' + + ret = {} + + # see if we can get some results from the nm cache + if not bld.env.nm_cache: + bld.env.nm_cache = {} + + objfiles = set(objfiles).copy() + + remaining = set() + for obj in objfiles: + if obj in bld.env.nm_cache: + ret[obj] = bld.env.nm_cache[obj].copy() + else: + remaining.add(obj) + objfiles = remaining + + if len(objfiles) == 0: + return ret + + cmd = ["nm"] + if dynamic: + # needed for some .so files + cmd.append("-D") + cmd.extend(list(objfiles)) + + nmpipe = subprocess.Popen(cmd, stdout=subprocess.PIPE).stdout + if len(objfiles) == 1: + filename = list(objfiles)[0] + ret[filename] = { "PUBLIC": set(), "UNDEFINED" : set()} + + for line in nmpipe: + line = line.strip() + if line.endswith(b':'): + filename = line[:-1] + ret[filename] = { "PUBLIC": set(), "UNDEFINED" : set() } + continue + cols = line.split(b" ") + if cols == [b'']: + continue + # see if the line starts with an address + if len(cols) == 3: + symbol_type = cols[1] + symbol = cols[2] + else: + symbol_type = cols[0] + symbol = cols[1] + if symbol_type in b"BDGTRVWSi": + # its a public symbol + ret[filename]["PUBLIC"].add(symbol) + elif symbol_type in b"U": + ret[filename]["UNDEFINED"].add(symbol) + + # add to the cache + for obj in objfiles: + if obj in ret: + bld.env.nm_cache[obj] = ret[obj].copy() + else: + bld.env.nm_cache[obj] = { "PUBLIC": set(), "UNDEFINED" : set() } + + return ret + + +def real_name(name): + if name.find(".objlist") != -1: + name = name[:-8] + return name + + +def find_ldd_path(bld, libname, binary): + '''find the path to the syslib we will link against''' + ret = None + if not bld.env.syslib_paths: + bld.env.syslib_paths = {} + if libname in bld.env.syslib_paths: + return bld.env.syslib_paths[libname] + + lddpipe = subprocess.Popen(['ldd', binary], stdout=subprocess.PIPE).stdout + for line in lddpipe: + line = line.strip() + cols = line.split(b" ") + if len(cols) < 3 or cols[1] != b"=>": + continue + if cols[0].startswith(b"libc."): + # save this one too + bld.env.libc_path = cols[2] + if cols[0].startswith(libname): + ret = cols[2] + bld.env.syslib_paths[libname] = ret + return ret + + +# some regular expressions for parsing readelf output +re_sharedlib = re.compile(rb'Shared library: \[(.*)\]') +# output from readelf could be `Library rpath` or `Libray runpath` +re_rpath = re.compile(rb'Library (rpath|runpath): \[(.*)\]') + +def get_libs(bld, binname): + '''find the list of linked libraries for any binary or library + binname is the path to the binary/library on disk + + We do this using readelf instead of ldd as we need to avoid recursing + into system libraries + ''' + + # see if we can get the result from the ldd cache + if not bld.env.lib_cache: + bld.env.lib_cache = {} + if binname in bld.env.lib_cache: + return bld.env.lib_cache[binname].copy() + + rpath = [] + libs = set() + + elfpipe = subprocess.Popen(['readelf', '--dynamic', binname], stdout=subprocess.PIPE).stdout + for line in elfpipe: + m = re_sharedlib.search(line) + if m: + libs.add(m.group(1)) + m = re_rpath.search(line) + if m: + # output from Popen is always bytestr even in py3 + rpath.extend(m.group(2).split(b":")) + + ret = set() + for lib in libs: + found = False + for r in rpath: + path = os.path.join(r, lib) + if os.path.exists(path): + ret.add(os.path.realpath(path)) + found = True + break + if not found: + # we didn't find this lib using rpath. It is probably a system + # library, so to find the path to it we either need to use ldd + # or we need to start parsing /etc/ld.so.conf* ourselves. We'll + # use ldd for now, even though it is slow + path = find_ldd_path(bld, lib, binname) + if path: + ret.add(os.path.realpath(path)) + + bld.env.lib_cache[binname] = ret.copy() + + return ret + + +def get_libs_recursive(bld, binname, seen): + '''find the recursive list of linked libraries for any binary or library + binname is the path to the binary/library on disk. seen is a set used + to prevent loops + ''' + if binname in seen: + return set() + ret = get_libs(bld, binname) + seen.add(binname) + for lib in ret: + # we don't want to recurse into system libraries. If a system + # library that we use (eg. libcups) happens to use another library + # (such as libkrb5) which contains common symbols with our own + # libraries, then that is not an error + if lib in bld.env.library_dict: + ret = ret.union(get_libs_recursive(bld, lib, seen)) + return ret + + + +def find_syslib_path(bld, libname, deps): + '''find the path to the syslib we will link against''' + # the strategy is to use the targets that depend on the library, and run ldd + # on it to find the real location of the library that is used + + linkpath = deps[0].link_task.outputs[0].abspath(bld.env) + + if libname == "python": + libname += bld.env.PYTHON_VERSION + + return find_ldd_path(bld, "lib%s" % libname.lower(), linkpath) + + +def build_symbol_sets(bld, tgt_list): + '''build the public_symbols and undefined_symbols attributes for each target''' + + if bld.env.public_symbols: + return + + objlist = [] # list of object file + objmap = {} # map from object filename to target (subsystem) name + + for t in tgt_list: + t.public_symbols = set() + t.undefined_symbols = set() + t.used_symbols = set() + for tsk in getattr(t, 'compiled_tasks', []): + for output in tsk.outputs: + objpath = output.abspath(bld.env) + objlist.append(objpath) + objmap[objpath] = t + + symbols = symbols_extract(bld, objlist) + for obj in objlist: + t = objmap[obj] + t.public_symbols = t.public_symbols.union(symbols[obj]["PUBLIC"]) + t.undefined_symbols = t.undefined_symbols.union(symbols[obj]["UNDEFINED"]) + t.used_symbols = t.used_symbols.union(symbols[obj]["UNDEFINED"]) + + t.undefined_symbols = t.undefined_symbols.difference(t.public_symbols) + + # and the reverse map of public symbols to subsystem name + bld.env.symbol_map = {} + + for t in tgt_list: + for s in t.public_symbols: + if not s in bld.env.symbol_map: + bld.env.symbol_map[s] = [] + bld.env.symbol_map[s].append(real_name(t.sname)) + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + bld.env.public_symbols = {} + for t in tgt_list: + name = real_name(t.sname) + if name in bld.env.public_symbols: + bld.env.public_symbols[name] = bld.env.public_symbols[name].union(t.public_symbols) + else: + bld.env.public_symbols[name] = t.public_symbols + if t.samba_type in ['LIBRARY', 'PLUGIN']: + for dep in t.add_objects: + t2 = bld.get_tgen_by_name(dep) + bld.ASSERT(t2 is not None, "Library '%s' has unknown dependency '%s'" % (name, dep)) + bld.env.public_symbols[name] = bld.env.public_symbols[name].union(t2.public_symbols) + + bld.env.used_symbols = {} + for t in tgt_list: + name = real_name(t.sname) + if name in bld.env.used_symbols: + bld.env.used_symbols[name] = bld.env.used_symbols[name].union(t.used_symbols) + else: + bld.env.used_symbols[name] = t.used_symbols + if t.samba_type in ['LIBRARY', 'PLUGIN']: + for dep in t.add_objects: + t2 = bld.get_tgen_by_name(dep) + bld.ASSERT(t2 is not None, "Library '%s' has unknown dependency '%s'" % (name, dep)) + bld.env.used_symbols[name] = bld.env.used_symbols[name].union(t2.used_symbols) + + +def build_library_dict(bld, tgt_list): + '''build the library_dict dictionary''' + + if bld.env.library_dict: + return + + bld.env.library_dict = {} + + for t in tgt_list: + if t.samba_type in [ 'LIBRARY', 'PLUGIN', 'PYTHON' ]: + linkpath = os.path.realpath(t.link_task.outputs[0].abspath(bld.env)) + bld.env.library_dict[linkpath] = t.sname + + +def build_syslib_sets(bld, tgt_list): + '''build the public_symbols for all syslibs''' + + if bld.env.syslib_symbols: + return + + # work out what syslibs we depend on, and what targets those are used in + syslibs = {} + objmap = {} + for t in tgt_list: + if getattr(t, 'uselib', []) and t.samba_type in [ 'LIBRARY', 'PLUGIN', 'BINARY', 'PYTHON' ]: + for lib in t.uselib: + if lib in ['PYEMBED', 'PYEXT']: + lib = "python" + if not lib in syslibs: + syslibs[lib] = [] + syslibs[lib].append(t) + + # work out the paths to each syslib + syslib_paths = [] + for lib in syslibs: + path = find_syslib_path(bld, lib, syslibs[lib]) + if path is None: + Logs.warn("Unable to find syslib path for %s" % lib) + if path is not None: + syslib_paths.append(path) + objmap[path] = lib.lower() + + # add in libc + syslib_paths.append(bld.env.libc_path) + objmap[bld.env.libc_path] = 'c' + + symbols = symbols_extract(bld, syslib_paths, dynamic=True) + + # keep a map of syslib names to public symbols + bld.env.syslib_symbols = {} + for lib in symbols: + bld.env.syslib_symbols[lib] = symbols[lib]["PUBLIC"] + + # add to the map of symbols to dependencies + for lib in symbols: + for sym in symbols[lib]["PUBLIC"]: + if not sym in bld.env.symbol_map: + bld.env.symbol_map[sym] = [] + bld.env.symbol_map[sym].append(objmap[lib]) + + # keep the libc symbols as well, as these are useful for some of the + # sanity checks + bld.env.libc_symbols = symbols[bld.env.libc_path]["PUBLIC"] + + # add to the combined map of dependency name to public_symbols + for lib in bld.env.syslib_symbols: + bld.env.public_symbols[objmap[lib]] = bld.env.syslib_symbols[lib] + + +def build_autodeps(bld, t): + '''build the set of dependencies for a target''' + deps = set() + name = real_name(t.sname) + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + for sym in t.undefined_symbols: + if sym in t.public_symbols: + continue + if sym in bld.env.symbol_map: + depname = bld.env.symbol_map[sym] + if depname == [ name ]: + # self dependencies aren't interesting + continue + if t.in_library == depname: + # no need to depend on the library we are part of + continue + if depname[0] in ['c', 'python']: + # these don't go into autodeps + continue + if targets[depname[0]] in [ 'SYSLIB' ]: + deps.add(depname[0]) + continue + t2 = bld.get_tgen_by_name(depname[0]) + if len(t2.in_library) != 1: + deps.add(depname[0]) + continue + if t2.in_library == t.in_library: + # if we're part of the same library, we don't need to autodep + continue + deps.add(t2.in_library[0]) + t.autodeps = deps + + +def build_library_names(bld, tgt_list): + '''add a in_library attribute to all targets that are part of a library''' + + if bld.env.done_build_library_names: + return + + for t in tgt_list: + t.in_library = [] + + for t in tgt_list: + if t.samba_type in ['LIBRARY', 'PLUGIN']: + for obj in t.samba_deps_extended: + t2 = bld.get_tgen_by_name(obj) + if t2 and t2.samba_type in [ 'SUBSYSTEM', 'BUILTIN', 'ASN1' ]: + if not t.sname in t2.in_library: + t2.in_library.append(t.sname) + bld.env.done_build_library_names = True + + +def check_library_deps(bld, t): + '''check that all the autodeps that have mutual dependency of this + target are in the same library as the target''' + + name = real_name(t.sname) + + if len(t.in_library) > 1: + Logs.warn("WARNING: Target '%s' in multiple libraries: %s" % (t.sname, t.in_library)) + + for dep in t.autodeps: + t2 = bld.get_tgen_by_name(dep) + if t2 is None: + continue + for dep2 in t2.autodeps: + if dep2 == name and t.in_library != t2.in_library: + Logs.warn("WARNING: mutual dependency %s <=> %s" % (name, real_name(t2.sname))) + Logs.warn("Libraries should match. %s != %s" % (t.in_library, t2.in_library)) + # raise Errors.WafError("illegal mutual dependency") + + +def check_syslib_collisions(bld, tgt_list): + '''check if a target has any symbol collisions with a syslib + + We do not want any code in Samba to use a symbol name from a + system library. The chance of that causing problems is just too + high. Note that libreplace uses a rep_XX approach of renaming + symbols via macros + ''' + + has_error = False + for t in tgt_list: + for lib in bld.env.syslib_symbols: + common = t.public_symbols.intersection(bld.env.syslib_symbols[lib]) + if common: + Logs.error("ERROR: Target '%s' has symbols '%s' which is also in syslib '%s'" % (t.sname, common, lib)) + has_error = True + if has_error: + raise Errors.WafError("symbols in common with system libraries") + + +def check_dependencies(bld, t): + '''check for dependencies that should be changed''' + + if bld.get_tgen_by_name(t.sname + ".objlist"): + return + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + remaining = t.undefined_symbols.copy() + remaining = remaining.difference(t.public_symbols) + + sname = real_name(t.sname) + + deps = set(t.samba_deps) + for d in t.samba_deps: + if targets[d] in [ 'EMPTY', 'DISABLED', 'SYSLIB', 'GENERATOR' ]: + continue + bld.ASSERT(d in bld.env.public_symbols, "Failed to find symbol list for dependency '%s'" % d) + diff = remaining.intersection(bld.env.public_symbols[d]) + if not diff and targets[sname] != 'LIBRARY': + Logs.info("Target '%s' has no dependency on %s" % (sname, d)) + else: + remaining = remaining.difference(diff) + + t.unsatisfied_symbols = set() + needed = {} + for sym in remaining: + if sym in bld.env.symbol_map: + dep = bld.env.symbol_map[sym] + if not dep[0] in needed: + needed[dep[0]] = set() + needed[dep[0]].add(sym) + else: + t.unsatisfied_symbols.add(sym) + + for dep in needed: + Logs.info("Target '%s' should add dep '%s' for symbols %s" % (sname, dep, " ".join(needed[dep]))) + + + +def check_syslib_dependencies(bld, t): + '''check for syslib depenencies''' + + if bld.get_tgen_by_name(t.sname + ".objlist"): + return + + sname = real_name(t.sname) + + remaining = set() + + features = TO_LIST(t.features) + if 'pyembed' in features or 'pyext' in features: + if 'python' in bld.env.public_symbols: + t.unsatisfied_symbols = t.unsatisfied_symbols.difference(bld.env.public_symbols['python']) + + needed = {} + for sym in t.unsatisfied_symbols: + if sym in bld.env.symbol_map: + dep = bld.env.symbol_map[sym][0] + if dep == 'c': + continue + if not dep in needed: + needed[dep] = set() + needed[dep].add(sym) + else: + remaining.add(sym) + + for dep in needed: + Logs.info("Target '%s' should add syslib dep '%s' for symbols %s" % (sname, dep, " ".join(needed[dep]))) + + if remaining: + debug("deps: Target '%s' has unsatisfied symbols: %s" % (sname, " ".join(remaining))) + + + +def symbols_symbolcheck(task): + '''check the internal dependency lists''' + bld = task.env.bld + tgt_list = get_tgt_list(bld) + + build_symbol_sets(bld, tgt_list) + build_library_names(bld, tgt_list) + + for t in tgt_list: + t.autodeps = set() + if getattr(t, 'source', ''): + build_autodeps(bld, t) + + for t in tgt_list: + check_dependencies(bld, t) + + for t in tgt_list: + check_library_deps(bld, t) + +def symbols_syslibcheck(task): + '''check the syslib dependencies''' + bld = task.env.bld + tgt_list = get_tgt_list(bld) + + build_syslib_sets(bld, tgt_list) + check_syslib_collisions(bld, tgt_list) + + for t in tgt_list: + check_syslib_dependencies(bld, t) + + +def symbols_whyneeded(task): + """check why 'target' needs to link to 'subsystem'""" + bld = task.env.bld + tgt_list = get_tgt_list(bld) + + why = Options.options.WHYNEEDED.split(":") + if len(why) != 2: + raise Errors.WafError("usage: WHYNEEDED=TARGET:DEPENDENCY") + target = why[0] + subsystem = why[1] + + build_symbol_sets(bld, tgt_list) + build_library_names(bld, tgt_list) + build_syslib_sets(bld, tgt_list) + + Logs.info("Checking why %s needs to link to %s" % (target, subsystem)) + if not target in bld.env.used_symbols: + Logs.warn("unable to find target '%s' in used_symbols dict" % target) + return + if not subsystem in bld.env.public_symbols: + Logs.warn("unable to find subsystem '%s' in public_symbols dict" % subsystem) + return + overlap = bld.env.used_symbols[target].intersection(bld.env.public_symbols[subsystem]) + if not overlap: + Logs.info("target '%s' doesn't use any public symbols from '%s'" % (target, subsystem)) + else: + Logs.info("target '%s' uses symbols %s from '%s'" % (target, overlap, subsystem)) + + +def report_duplicate(bld, binname, sym, libs, fail_on_error): + '''report duplicated symbols''' + if sym in ['_init', '_fini', '_edata', '_end', '__bss_start']: + return + libnames = [] + for lib in libs: + if lib in bld.env.library_dict: + libnames.append(bld.env.library_dict[lib]) + else: + libnames.append(lib) + if fail_on_error: + raise Errors.WafError("%s: Symbol %s linked in multiple libraries %s" % (binname, sym, libnames)) + else: + print("%s: Symbol %s linked in multiple libraries %s" % (binname, sym, libnames)) + + +def symbols_dupcheck_binary(bld, binname, fail_on_error): + '''check for duplicated symbols in one binary''' + + libs = get_libs_recursive(bld, binname, set()) + symlist = symbols_extract(bld, libs, dynamic=True) + + symmap = {} + for libpath in symlist: + for sym in symlist[libpath]['PUBLIC']: + if sym == '_GLOBAL_OFFSET_TABLE_': + continue + if not sym in symmap: + symmap[sym] = set() + symmap[sym].add(libpath) + for sym in symmap: + if len(symmap[sym]) > 1: + for libpath in symmap[sym]: + if libpath in bld.env.library_dict: + report_duplicate(bld, binname, sym, symmap[sym], fail_on_error) + break + +def symbols_dupcheck(task, fail_on_error=False): + '''check for symbols defined in two different subsystems''' + bld = task.env.bld + tgt_list = get_tgt_list(bld) + + targets = LOCAL_CACHE(bld, 'TARGET_TYPE') + + build_library_dict(bld, tgt_list) + for t in tgt_list: + if t.samba_type == 'BINARY': + binname = os.path.relpath(t.link_task.outputs[0].abspath(bld.env), os.getcwd()) + symbols_dupcheck_binary(bld, binname, fail_on_error) + + +def symbols_dupcheck_fatal(task): + '''check for symbols defined in two different subsystems (and fail if duplicates are found)''' + symbols_dupcheck(task, fail_on_error=True) + + +def SYMBOL_CHECK(bld): + '''check our dependency lists''' + if Options.options.SYMBOLCHECK: + bld.SET_BUILD_GROUP('symbolcheck') + task = bld(rule=symbols_symbolcheck, always=True, name='symbol checking') + task.env.bld = bld + + bld.SET_BUILD_GROUP('syslibcheck') + task = bld(rule=symbols_syslibcheck, always=True, name='syslib checking') + task.env.bld = bld + + bld.SET_BUILD_GROUP('syslibcheck') + task = bld(rule=symbols_dupcheck, always=True, name='symbol duplicate checking') + task.env.bld = bld + + if Options.options.WHYNEEDED: + bld.SET_BUILD_GROUP('syslibcheck') + task = bld(rule=symbols_whyneeded, always=True, name='check why a dependency is needed') + task.env.bld = bld + + +Build.BuildContext.SYMBOL_CHECK = SYMBOL_CHECK + +def DUP_SYMBOL_CHECK(bld): + if Options.options.DUP_SYMBOLCHECK and bld.env.DEVELOPER: + '''check for duplicate symbols''' + bld.SET_BUILD_GROUP('syslibcheck') + task = bld(rule=symbols_dupcheck_fatal, always=True, name='symbol duplicate checking') + task.env.bld = bld + +Build.BuildContext.DUP_SYMBOL_CHECK = DUP_SYMBOL_CHECK diff --git a/buildtools/wafsamba/test_duplicate_symbol.sh b/buildtools/wafsamba/test_duplicate_symbol.sh new file mode 100755 index 0000000..dffac75 --- /dev/null +++ b/buildtools/wafsamba/test_duplicate_symbol.sh @@ -0,0 +1,15 @@ +#!/bin/sh +# Run the waf duplicate symbol check, wrapped in subunit. + +. testprogs/blackbox/subunit.sh + +subunit_start_test duplicate_symbols + +PYTHONHASHSEED=1 +export PYTHONHASHSEED + +if $PYTHON ./buildtools/bin/waf build --dup-symbol-check; then + subunit_pass_test duplicate_symbols +else + echo | subunit_fail_test duplicate_symbols +fi diff --git a/buildtools/wafsamba/tests/__init__.py b/buildtools/wafsamba/tests/__init__.py new file mode 100644 index 0000000..ae27418 --- /dev/null +++ b/buildtools/wafsamba/tests/__init__.py @@ -0,0 +1,35 @@ +# Copyright (C) 2012 Jelmer Vernooij <jelmer@samba.org> + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +"""Tests for wafsamba.""" + +from unittest import ( + TestCase, + TestLoader, + ) + +def test_suite(): + names = [ + 'abi', + 'bundled', + 'utils', + ] + module_names = ['wafsamba.tests.test_' + name for name in names] + loader = TestLoader() + result = loader.suiteClass() + suite = loader.loadTestsFromNames(module_names) + result.addTests(suite) + return result diff --git a/buildtools/wafsamba/tests/test_abi.py b/buildtools/wafsamba/tests/test_abi.py new file mode 100644 index 0000000..ffd5a56 --- /dev/null +++ b/buildtools/wafsamba/tests/test_abi.py @@ -0,0 +1,134 @@ +# Copyright (C) 2012 Jelmer Vernooij <jelmer@samba.org> + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +from wafsamba.tests import TestCase + +from wafsamba.samba_abi import ( + abi_write_vscript, + normalise_signature, + ) + +from io import StringIO + + +class NormaliseSignatureTests(TestCase): + + def test_function_simple(self): + self.assertEqual("int (const struct GUID *, const struct GUID *)", + normalise_signature("$2 = {int (const struct GUID *, const struct GUID *)} 0xe871 <GUID_compare>")) + + def test_maps_Bool(self): + # Some types have different internal names + self.assertEqual("bool (const struct GUID *)", + normalise_signature("$1 = {_Bool (const struct GUID *)} 0xe75b <GUID_all_zero>")) + + def test_function_keep(self): + self.assertEqual( + "enum ndr_err_code (struct ndr_push *, int, const union winreg_Data *)", + normalise_signature("enum ndr_err_code (struct ndr_push *, int, const union winreg_Data *)")) + + def test_struct_constant(self): + self.assertEqual( + 'uuid = {time_low = 0, time_mid = 0, time_hi_and_version = 0, clock_seq = "\\000", node = "\\000\\000\\000\\000\\000"}, if_version = 0', + normalise_signature('$239 = {uuid = {time_low = 0, time_mid = 0, time_hi_and_version = 0, clock_seq = "\\000", node = "\\000\\000\\000\\000\\000"}, if_version = 0}')) + + def test_incomplete_sequence(self): + # Newer versions of gdb insert these incomplete sequence elements + self.assertEqual( + 'uuid = {time_low = 2324192516, time_mid = 7403, time_hi_and_version = 4553, clock_seq = "\\237\\350", node = "\\b\\000+\\020H`"}, if_version = 2', + normalise_signature('$244 = {uuid = {time_low = 2324192516, time_mid = 7403, time_hi_and_version = 4553, clock_seq = "\\237", <incomplete sequence \\350>, node = "\\b\\000+\\020H`"}, if_version = 2}')) + self.assertEqual( + 'uuid = {time_low = 2324192516, time_mid = 7403, time_hi_and_version = 4553, clock_seq = "\\237\\350", node = "\\b\\000+\\020H`"}, if_version = 2', + normalise_signature('$244 = {uuid = {time_low = 2324192516, time_mid = 7403, time_hi_and_version = 4553, clock_seq = "\\237\\350", node = "\\b\\000+\\020H`"}, if_version = 2}')) + + +class WriteVscriptTests(TestCase): + + def test_one(self): + f = StringIO() + abi_write_vscript(f, "MYLIB", "1.0", [], { + "old": "1.0", + "new": "1.0"}, ["*"]) + self.assertEqual(f.getvalue(), """\ +1.0 { +\tglobal: +\t\t*; +\tlocal: +\t\t_end; +\t\t__bss_start; +\t\t_edata; +}; +""") + + def test_simple(self): + # No restrictions. + f = StringIO() + abi_write_vscript(f, "MYLIB", "1.0", ["0.1"], { + "old": "0.1", + "new": "1.0"}, ["*"]) + self.assertEqual(f.getvalue(), """\ +MYLIB_0.1 { +\tglobal: +\t\told; +}; + +1.0 { +\tglobal: +\t\t*; +\tlocal: +\t\t_end; +\t\t__bss_start; +\t\t_edata; +}; +""") + + def test_exclude(self): + f = StringIO() + abi_write_vscript(f, "MYLIB", "1.0", [], { + "exc_old": "0.1", + "old": "0.1", + "new": "1.0"}, ["!exc_*"]) + self.assertEqual(f.getvalue(), """\ +1.0 { +\tglobal: +\t\t*; +\tlocal: +\t\texc_*; +\t\t_end; +\t\t__bss_start; +\t\t_edata; +}; +""") + + def test_excludes_and_includes(self): + f = StringIO() + abi_write_vscript(f, "MYLIB", "1.0", [], { + "pub_foo": "1.0", + "exc_bar": "1.0", + "other": "1.0" + }, ["pub_*", "!exc_*"]) + self.assertEqual(f.getvalue(), """\ +1.0 { +\tglobal: +\t\tpub_*; +\tlocal: +\t\texc_*; +\t\t_end; +\t\t__bss_start; +\t\t_edata; +\t\t*; +}; +""") diff --git a/buildtools/wafsamba/tests/test_bundled.py b/buildtools/wafsamba/tests/test_bundled.py new file mode 100644 index 0000000..a8e9821 --- /dev/null +++ b/buildtools/wafsamba/tests/test_bundled.py @@ -0,0 +1,27 @@ +# Copyright (C) 2012 Jelmer Vernooij <jelmer@samba.org> + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +from wafsamba.tests import TestCase + +from wafsamba.samba_bundled import ( + tuplize_version, + ) + + +class TuplizeVersionTests(TestCase): + + def test_simple(self): + self.assertEqual((1, 2, 10), tuplize_version("1.2.10")) diff --git a/buildtools/wafsamba/tests/test_utils.py b/buildtools/wafsamba/tests/test_utils.py new file mode 100644 index 0000000..77fc55c --- /dev/null +++ b/buildtools/wafsamba/tests/test_utils.py @@ -0,0 +1,76 @@ +# Copyright (C) 2012 Jelmer Vernooij <jelmer@samba.org> + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +from wafsamba.tests import TestCase + +from wafsamba.samba_utils import ( + TO_LIST, + dict_concat, + subst_vars_error, + unique_list, + ) + +class ToListTests(TestCase): + + def test_none(self): + self.assertEqual([], TO_LIST(None)) + + def test_already_list(self): + self.assertEqual(["foo", "bar", 1], TO_LIST(["foo", "bar", 1])) + + def test_default_delimiter(self): + self.assertEqual(["foo", "bar"], TO_LIST("foo bar")) + self.assertEqual(["foo", "bar"], TO_LIST(" foo bar ")) + self.assertEqual(["foo ", "bar"], TO_LIST(" \"foo \" bar ")) + + def test_delimiter(self): + self.assertEqual(["foo", "bar"], TO_LIST("foo,bar", ",")) + self.assertEqual([" foo", "bar "], TO_LIST(" foo,bar ", ",")) + self.assertEqual([" \" foo\"", " bar "], TO_LIST(" \" foo\", bar ", ",")) + + +class UniqueListTests(TestCase): + + def test_unique_list(self): + self.assertEqual(["foo", "bar"], unique_list(["foo", "bar", "foo"])) + + +class SubstVarsErrorTests(TestCase): + + def test_valid(self): + self.assertEqual("", subst_vars_error("", {})) + self.assertEqual("FOO bar", subst_vars_error("${F} bar", {"F": "FOO"})) + + def test_invalid(self): + self.assertRaises(KeyError, subst_vars_error, "${F}", {}) + + +class DictConcatTests(TestCase): + + def test_empty(self): + ret = {} + dict_concat(ret, {}) + self.assertEqual({}, ret) + + def test_same(self): + ret = {"foo": "bar"} + dict_concat(ret, {"foo": "bla"}) + self.assertEqual({"foo": "bar"}, ret) + + def test_simple(self): + ret = {"foo": "bar"} + dict_concat(ret, {"blie": "bla"}) + self.assertEqual({"foo": "bar", "blie": "bla"}, ret) diff --git a/buildtools/wafsamba/wafsamba.py b/buildtools/wafsamba/wafsamba.py new file mode 100644 index 0000000..e1c2877 --- /dev/null +++ b/buildtools/wafsamba/wafsamba.py @@ -0,0 +1,1227 @@ +# a waf tool to add autoconf-like macros to the configure section +# and for SAMBA_ macros for building libraries, binaries etc + +import os, sys, re, shutil, fnmatch +from waflib import Build, Options, Task, Utils, TaskGen, Logs, Context, Errors +from waflib.Configure import conf +from waflib.Logs import debug +from samba_utils import SUBST_VARS_RECURSIVE +TaskGen.task_gen.apply_verif = Utils.nada + +# bring in the other samba modules +from samba_utils import * +from samba_utils import symlink +from samba_version import * +from samba_autoconf import * +from samba_patterns import * +from samba_pidl import * +from samba_autoproto import * +from samba_python import * +from samba_perl import * +from samba_deps import * +from samba_bundled import * +from samba_third_party import * +import samba_cross +import samba_install +import samba_conftests +import samba_abi +import samba_headers +import generic_cc +import samba_dist +import samba_wildcard +import symbols +import pkgconfig +import configure_file +import samba_waf18 + +LIB_PATH="shared" + +os.environ['PYTHONUNBUFFERED'] = '1' + +if Context.HEXVERSION not in (0x2001a00,): + Logs.error(''' +Please use the version of waf that comes with Samba, not +a system installed version. See http://wiki.samba.org/index.php/Waf +for details. + +Alternatively, please run ./configure and make as usual. That will +call the right version of waf.''') + sys.exit(1) + +@conf +def SAMBA_BUILD_ENV(conf): + '''create the samba build environment''' + conf.env.BUILD_DIRECTORY = conf.bldnode.abspath() + mkdir_p(os.path.join(conf.env.BUILD_DIRECTORY, LIB_PATH)) + mkdir_p(os.path.join(conf.env.BUILD_DIRECTORY, LIB_PATH, "private")) + mkdir_p(os.path.join(conf.env.BUILD_DIRECTORY, "modules")) + mkdir_p(os.path.join(conf.env.BUILD_DIRECTORY, "plugins")) + mkdir_p(os.path.join(conf.env.BUILD_DIRECTORY, 'python/samba/dcerpc')) + # this allows all of the bin/shared and bin/python targets + # to be expressed in terms of build directory paths + mkdir_p(os.path.join(conf.env.BUILD_DIRECTORY, 'default')) + for (source, target) in [('shared', 'shared'), ('modules', 'modules'), ('plugins', 'plugins'), ('python', 'python')]: + link_target = os.path.join(conf.env.BUILD_DIRECTORY, 'default/' + target) + if not os.path.lexists(link_target): + symlink('../' + source, link_target) + + # get perl to put the blib files in the build directory + blib_bld = os.path.join(conf.env.BUILD_DIRECTORY, 'default/pidl/blib') + blib_src = os.path.join(conf.srcnode.abspath(), 'pidl/blib') + mkdir_p(blib_bld + '/man1') + mkdir_p(blib_bld + '/man3') + if os.path.islink(blib_src): + os.unlink(blib_src) + elif os.path.exists(blib_src): + shutil.rmtree(blib_src) + + +def ADD_INIT_FUNCTION(bld, subsystem, target, init_function): + '''add an init_function to the list for a subsystem''' + if init_function is None: + return + bld.ASSERT(subsystem is not None, "You must specify a subsystem for init_function '%s'" % init_function) + cache = LOCAL_CACHE(bld, 'INIT_FUNCTIONS') + if subsystem not in cache: + cache[subsystem] = [] + cache[subsystem].append( { 'TARGET':target, 'INIT_FUNCTION':init_function } ) +Build.BuildContext.ADD_INIT_FUNCTION = ADD_INIT_FUNCTION + + +def generate_empty_file(task): + task.outputs[0].write('') + return 0 + +################################################################# +def SAMBA_LIBRARY(bld, libname, source, + deps='', + public_deps='', + includes='', + public_headers=None, + public_headers_install=True, + private_headers=None, + header_path=None, + pc_files=None, + vnum=None, + soname=None, + cflags='', + cflags_end=None, + ldflags='', + external_library=False, + realname=None, + autoproto=None, + autoproto_extra_source='', + group='main', + depends_on='', + local_include=True, + global_include=True, + vars=None, + subdir=None, + install_path=None, + install=True, + pyembed=False, + pyext=False, + target_type='LIBRARY', + bundled_name=None, + link_name=None, + abi_directory=None, + abi_match=None, + orig_vscript_map=None, + hide_symbols=False, + manpages=None, + private_library=False, + grouping_library=False, + require_builtin_deps=False, + provide_builtin_linking=False, + builtin_cflags='', + force_unversioned=False, + allow_undefined_symbols=False, + allow_warnings=False, + enabled=True): + '''define a Samba library''' + + # We support: + # - LIBRARY: this can be used to link via -llibname + # - MODULE: this is module from SAMBA_MODULE() + # - PLUGIN: this is plugin for external consumers to be + # loaded via dlopen() + # - PYTHON: a python C binding library + # + if target_type not in ['LIBRARY', 'MODULE', 'PLUGIN', 'PYTHON']: + raise Errors.WafError("target_type[%s] not supported in SAMBA_LIBRARY('%s')" % + (target_type, libname)) + + if require_builtin_deps: + # For now we only support require_builtin_deps only for libraries, plugins + if target_type not in ['LIBRARY', 'PLUGIN']: + raise Errors.WafError("target_type[%s] not supported SAMBA_LIBRARY('%s', require_builtin_deps=True)" % + (target_type, libname)) + + if private_library and public_headers: + raise Errors.WafError("private library '%s' must not have public header files" % + libname) + + if orig_vscript_map and not private_library: + raise Errors.WafError("public library '%s' must not have orig_vscript_map" % + libname) + + if orig_vscript_map and abi_directory: + raise Errors.WafError("private library '%s' with orig_vscript_map must not have abi_directory" % + libname) + if orig_vscript_map and abi_match: + raise Errors.WafError("private library '%s' with orig_vscript_map must not have abi_match" % + libname) + + if force_unversioned and private_library: + raise Errors.WafError("private library '%s': can't have force_unversioned=True" % + libname) + + if force_unversioned and realname is None: + raise Errors.WafError("library '%s': force_unversioned=True needs realname too" % + libname) + + if LIB_MUST_BE_PRIVATE(bld, libname) and target_type not in ['PLUGIN']: + private_library = True + + if force_unversioned: + private_library = False + + if not enabled: + SET_TARGET_TYPE(bld, libname, 'DISABLED') + return + + source = bld.EXPAND_VARIABLES(source, vars=vars) + if subdir: + source = bld.SUBDIR(subdir, source) + + # remember empty libraries, so we can strip the dependencies + if ((source == '') or (source == [])): + if deps == '' and public_deps == '': + SET_TARGET_TYPE(bld, libname, 'EMPTY') + return + empty_c = libname + '.empty.c' + bld.SAMBA_GENERATOR('%s_empty_c' % libname, + rule=generate_empty_file, + target=empty_c) + source=empty_c + + samba_deps = deps + ' ' + public_deps + samba_deps = TO_LIST(samba_deps) + + if BUILTIN_LIBRARY(bld, libname): + builtin_target = libname + '.builtin.objlist' + builtin_cflags_end = '-D_PUBLIC_=_PRIVATE_' + empty_target = libname + obj_target = None + else: + if provide_builtin_linking: + builtin_target = libname + '.builtin.objlist' + builtin_cflags_end = '-D_PUBLIC_=_PRIVATE_' + else: + builtin_target = None + empty_target = None + obj_target = libname + '.objlist' + if require_builtin_deps: + # hide the builtin deps from the callers + samba_deps = TO_LIST('') + dep_target = obj_target + + if group == 'libraries': + subsystem_group = 'main' + else: + subsystem_group = group + + # first create a target for building the object files for this library + # by separating in this way, we avoid recompiling the C files + # separately for the install library and the build library + if builtin_target: + __t = __SAMBA_SUBSYSTEM_BUILTIN(bld, builtin_target, source, + deps=deps, + public_deps=public_deps, + includes=includes, + header_path=header_path, + builtin_cflags=builtin_cflags, + builtin_cflags_end=builtin_cflags_end, + group=group, + depends_on=depends_on, + local_include=local_include, + global_include=global_include, + allow_warnings=allow_warnings) + builtin_subsystem = __t + else: + builtin_subsystem = None + if obj_target: + bld.SAMBA_SUBSYSTEM(obj_target, + source = source, + deps = deps, + public_deps = public_deps, + includes = includes, + public_headers = public_headers, + public_headers_install = public_headers_install, + private_headers= private_headers, + header_path = header_path, + cflags = cflags, + cflags_end = cflags_end, + group = subsystem_group, + autoproto = autoproto, + autoproto_extra_source=autoproto_extra_source, + depends_on = depends_on, + hide_symbols = hide_symbols, + allow_warnings = allow_warnings, + pyembed = pyembed, + pyext = pyext, + local_include = local_include, + __require_builtin_deps=require_builtin_deps, + global_include = global_include) + else: + et = bld.SAMBA_SUBSYSTEM(empty_target, + source=[], + __force_empty=True, + __require_builtin_deps=True) + et.samba_builtin_subsystem = builtin_subsystem + + if BUILTIN_LIBRARY(bld, libname): + return + + if not SET_TARGET_TYPE(bld, libname, target_type): + return + + # the library itself will depend on that object target + samba_deps.append(dep_target) + + realname = bld.map_shlib_extension(realname, python=(target_type=='PYTHON')) + link_name = bld.map_shlib_extension(link_name, python=(target_type=='PYTHON')) + + # we don't want any public libraries without version numbers + if (not private_library and target_type != 'PYTHON' and not realname): + if vnum is None and soname is None: + raise Errors.WafError("public library '%s' must have a vnum" % + libname) + if pc_files is None: + raise Errors.WafError("public library '%s' must have pkg-config file" % + libname) + if public_headers is None: + raise Errors.WafError("public library '%s' must have header files" % + libname) + + abi_vnum = vnum + + if bundled_name is not None: + pass + elif target_type == 'PYTHON' or realname or not private_library: + bundled_name = libname.replace('_', '-') + else: + assert (private_library is True and realname is None) + bundled_name = PRIVATE_NAME(bld, libname.replace('_', '-')) + vnum = None + + ldflags = TO_LIST(ldflags) + if bld.env['ENABLE_RELRO'] is True: + ldflags.extend(TO_LIST('-Wl,-z,relro,-z,now')) + + features = 'c cshlib symlink_lib install_lib' + if pyext: + features += ' pyext' + if pyembed: + features += ' pyembed' + + if abi_directory: + features += ' abi_check' + + if pyembed and bld.env['PYTHON_SO_ABI_FLAG']: + # For ABI checking, we don't care about the Python version. + # Remove the Python ABI tag (e.g. ".cpython-35m") + abi_flag = bld.env['PYTHON_SO_ABI_FLAG'] + replacement = '' + version_libname = libname.replace(abi_flag, replacement) + else: + version_libname = libname + + vscript = None + if bld.env.HAVE_LD_VERSION_SCRIPT: + if force_unversioned: + version = None + elif private_library: + version = bld.env.PRIVATE_VERSION + elif vnum: + version = "%s_%s" % (libname, vnum) + else: + version = None + if version: + vscript = "%s.vscript" % libname + if orig_vscript_map: + bld.VSCRIPT_MAP_PRIVATE(version_libname, orig_vscript_map, version, vscript) + else: + bld.ABI_VSCRIPT(version_libname, abi_directory, version, vscript, + abi_match, private_library) + fullname = apply_pattern(bundled_name, bld.env.cshlib_PATTERN) + fullpath = bld.path.find_or_declare(fullname) + vscriptpath = bld.path.find_or_declare(vscript) + if not fullpath: + raise Errors.WafError("unable to find fullpath for %s" % fullname) + if not vscriptpath: + raise Errors.WafError("unable to find vscript path for %s" % vscript) + bld.add_manual_dependency(fullpath, vscriptpath) + if bld.is_install: + # also make the .inst file depend on the vscript + instname = apply_pattern(bundled_name + '.inst', bld.env.cshlib_PATTERN) + bld.add_manual_dependency(bld.path.find_or_declare(instname), bld.path.find_or_declare(vscript)) + vscript = os.path.join(bld.path.abspath(bld.env), vscript) + + bld.SET_BUILD_GROUP(group) + t = bld( + features = features, + source = [], + target = bundled_name, + depends_on = depends_on, + samba_ldflags = ldflags, + samba_deps = samba_deps, + samba_includes = includes, + version_script = vscript, + version_libname = version_libname, + local_include = local_include, + global_include = global_include, + vnum = vnum, + soname = soname, + install_path = None, + samba_inst_path = install_path, + name = libname, + samba_realname = realname, + samba_install = install, + abi_directory = "%s/%s" % (bld.path.abspath(), abi_directory), + abi_match = abi_match, + abi_vnum = abi_vnum, + private_library = private_library, + grouping_library=grouping_library, + allow_undefined_symbols=allow_undefined_symbols, + samba_require_builtin_deps=False, + samba_builtin_subsystem=builtin_subsystem, + ) + + if realname and not link_name: + link_name = 'shared/%s' % realname + + if link_name: + if 'waflib.extras.compat15' in sys.modules: + link_name = 'default/' + link_name + t.link_name = link_name + + if pc_files is not None and not private_library: + if pyembed: + bld.PKG_CONFIG_FILES(pc_files, vnum=vnum, extra_name=bld.env['PYTHON_SO_ABI_FLAG']) + else: + bld.PKG_CONFIG_FILES(pc_files, vnum=vnum) + + if (manpages is not None and 'XSLTPROC_MANPAGES' in bld.env and + bld.env['XSLTPROC_MANPAGES']): + bld.MANPAGES(manpages, install) + + +Build.BuildContext.SAMBA_LIBRARY = SAMBA_LIBRARY + + +################################################################# +def SAMBA_BINARY(bld, binname, source, + deps='', + includes='', + public_headers=None, + private_headers=None, + header_path=None, + modules=None, + ldflags=None, + cflags='', + cflags_end=None, + autoproto=None, + use_hostcc=False, + use_global_deps=True, + compiler=None, + group='main', + manpages=None, + local_include=True, + global_include=True, + subsystem_name=None, + allow_warnings=False, + pyembed=False, + vars=None, + subdir=None, + install=True, + install_path=None, + enabled=True, + fuzzer=False, + for_selftest=False): + '''define a Samba binary''' + + if for_selftest: + install=False + if not bld.CONFIG_GET('ENABLE_SELFTEST'): + enabled=False + + if not enabled: + SET_TARGET_TYPE(bld, binname, 'DISABLED') + return + + # Fuzzing builds do not build normal binaries + # however we must build asn1compile etc + + if not use_hostcc and bld.env.enable_fuzzing != fuzzer: + SET_TARGET_TYPE(bld, binname, 'DISABLED') + return + + if fuzzer: + install = False + if ldflags is None: + ldflags = bld.env['FUZZ_TARGET_LDFLAGS'] + + if not SET_TARGET_TYPE(bld, binname, 'BINARY'): + return + + features = 'c cprogram symlink_bin install_bin' + if pyembed: + features += ' pyembed' + + obj_target = binname + '.objlist' + + source = bld.EXPAND_VARIABLES(source, vars=vars) + if subdir: + source = bld.SUBDIR(subdir, source) + source = unique_list(TO_LIST(source)) + + if group == 'binaries': + subsystem_group = 'main' + elif group == 'build_compilers': + subsystem_group = 'compiler_libraries' + else: + subsystem_group = group + + # only specify PIE flags for binaries + pie_cflags = TO_LIST(cflags) + pie_ldflags = TO_LIST(ldflags) + if bld.env['ENABLE_PIE'] is True: + pie_cflags.extend(TO_LIST('-fPIE')) + pie_ldflags.extend(TO_LIST('-pie')) + if bld.env['ENABLE_RELRO'] is True: + pie_ldflags.extend(TO_LIST('-Wl,-z,relro,-z,now')) + + # first create a target for building the object files for this binary + # by separating in this way, we avoid recompiling the C files + # separately for the install binary and the build binary + bld.SAMBA_SUBSYSTEM(obj_target, + source = source, + deps = deps, + includes = includes, + cflags = pie_cflags, + cflags_end = cflags_end, + group = subsystem_group, + autoproto = autoproto, + subsystem_name = subsystem_name, + local_include = local_include, + global_include = global_include, + use_hostcc = use_hostcc, + pyext = pyembed, + allow_warnings = allow_warnings, + use_global_deps= use_global_deps) + + bld.SET_BUILD_GROUP(group) + + # the binary itself will depend on that object target + deps = TO_LIST(deps) + deps.append(obj_target) + + t = bld( + features = features, + source = [], + target = binname, + samba_deps = deps, + samba_includes = includes, + local_include = local_include, + global_include = global_include, + samba_modules = modules, + top = True, + samba_subsystem= subsystem_name, + install_path = None, + samba_inst_path= install_path, + samba_install = install, + samba_ldflags = pie_ldflags + ) + + if manpages is not None and 'XSLTPROC_MANPAGES' in bld.env and bld.env['XSLTPROC_MANPAGES']: + bld.MANPAGES(manpages, install) + +Build.BuildContext.SAMBA_BINARY = SAMBA_BINARY + + +################################################################# +def SAMBA_MODULE(bld, modname, source, + deps='', + includes='', + subsystem=None, + init_function=None, + module_init_name='samba_init_module', + autoproto=None, + autoproto_extra_source='', + cflags='', + cflags_end=None, + internal_module=True, + local_include=True, + global_include=True, + vars=None, + subdir=None, + enabled=True, + pyembed=False, + manpages=None, + allow_undefined_symbols=False, + allow_warnings=False, + install=True + ): + '''define a Samba module.''' + + bld.ASSERT(subsystem, "You must specify a subsystem for SAMBA_MODULE(%s)" % modname) + + source = bld.EXPAND_VARIABLES(source, vars=vars) + if subdir: + source = bld.SUBDIR(subdir, source) + + if internal_module or BUILTIN_LIBRARY(bld, modname): + # Do not create modules for disabled subsystems + if GET_TARGET_TYPE(bld, subsystem) == 'DISABLED': + return + bld.SAMBA_SUBSYSTEM(modname, source, + deps=deps, + includes=includes, + autoproto=autoproto, + autoproto_extra_source=autoproto_extra_source, + cflags=cflags, + cflags_end=cflags_end, + local_include=local_include, + global_include=global_include, + allow_warnings=allow_warnings, + enabled=enabled) + + bld.ADD_INIT_FUNCTION(subsystem, modname, init_function) + return + + if not enabled: + SET_TARGET_TYPE(bld, modname, 'DISABLED') + return + + # Do not create modules for disabled subsystems + if GET_TARGET_TYPE(bld, subsystem) == 'DISABLED': + return + + realname = modname + deps += ' ' + subsystem + while realname.startswith("lib"+subsystem+"_"): + realname = realname[len("lib"+subsystem+"_"):] + while realname.startswith(subsystem+"_"): + realname = realname[len(subsystem+"_"):] + + build_name = "%s_module_%s" % (subsystem, realname) + + realname = bld.make_libname(realname) + while realname.startswith("lib"): + realname = realname[len("lib"):] + + build_link_name = "modules/%s/%s" % (subsystem, realname) + + if init_function: + cflags += " -D%s=%s" % (init_function, module_init_name) + + bld.SAMBA_LIBRARY(modname, + source, + deps=deps, + includes=includes, + cflags=cflags, + cflags_end=cflags_end, + realname = realname, + autoproto = autoproto, + local_include=local_include, + global_include=global_include, + vars=vars, + bundled_name=build_name, + link_name=build_link_name, + install_path="${MODULESDIR}/%s" % subsystem, + pyembed=pyembed, + manpages=manpages, + allow_undefined_symbols=allow_undefined_symbols, + allow_warnings=allow_warnings, + private_library=True, + install=install + ) + + +Build.BuildContext.SAMBA_MODULE = SAMBA_MODULE + +################################################################# +def SAMBA_PLUGIN(bld, pluginname, source, + deps='', + includes='', + vnum=None, + soname=None, + cflags='', + ldflags='', + local_include=True, + global_include=True, + vars=None, + subdir=None, + realname=None, + autoproto=None, + autoproto_extra_source='', + install_path=None, + install=True, + manpages=None, + require_builtin_deps=True, + allow_undefined_symbols=False, + enabled=True): + '''define an external plugin.''' + + bld.ASSERT(realname, "You must specify a realname for SAMBA_PLUGIN(%s)" % pluginname) + + source = bld.EXPAND_VARIABLES(source, vars=vars) + if subdir: + source = bld.SUBDIR(subdir, source) + + build_name = "_plugin_%s" % (pluginname) + build_link_name = "plugins/%s" % (realname) + + bld.SAMBA_LIBRARY(pluginname, + source, + bundled_name=build_name, + link_name=build_link_name, + target_type='PLUGIN', + deps=deps, + includes=includes, + vnum=vnum, + soname=soname, + cflags=cflags, + ldflags=ldflags, + realname=realname, + autoproto=autoproto, + autoproto_extra_source=autoproto_extra_source, + local_include=local_include, + global_include=global_include, + vars=vars, + group='main', + install_path=install_path, + install=install, + manpages=manpages, + require_builtin_deps=require_builtin_deps, + builtin_cflags=cflags, + hide_symbols=True, + public_headers=[], + public_headers_install=False, + pc_files=[], + allow_undefined_symbols=allow_undefined_symbols, + allow_warnings=False, + enabled=enabled) +Build.BuildContext.SAMBA_PLUGIN = SAMBA_PLUGIN + +def __SAMBA_SUBSYSTEM_BUILTIN(bld, builtin_target, source, + deps='', + public_deps='', + includes='', + public_headers=None, + public_headers_install=True, + private_headers=None, + header_path=None, + builtin_cflags='', + builtin_cflags_end=None, + group='main', + autoproto=None, + autoproto_extra_source='', + depends_on='', + local_include=True, + global_include=True, + allow_warnings=False): + + bld.ASSERT(builtin_target.endswith('.builtin.objlist'), + "builtin_target[%s] does not end with '.builtin.objlist'" % + (builtin_target)) + return bld.SAMBA_SUBSYSTEM(builtin_target, source, + deps=deps, + public_deps=public_deps, + includes=includes, + public_headers=public_headers, + public_headers_install=public_headers_install, + private_headers=private_headers, + header_path=header_path, + cflags=builtin_cflags, + cflags_end=builtin_cflags_end, + hide_symbols=True, + group=group, + target_type='BUILTIN', + autoproto=autoproto, + autoproto_extra_source=autoproto_extra_source, + depends_on=depends_on, + local_include=local_include, + global_include=global_include, + allow_warnings=allow_warnings, + __require_builtin_deps=True) + +################################################################# +def SAMBA_SUBSYSTEM(bld, modname, source, + deps='', + public_deps='', + __force_empty=False, + includes='', + public_headers=None, + public_headers_install=True, + private_headers=None, + header_path=None, + cflags='', + cflags_end=None, + group='main', + target_type='SUBSYSTEM', + init_function_sentinel=None, + autoproto=None, + autoproto_extra_source='', + depends_on='', + local_include=True, + local_include_first=True, + global_include=True, + subsystem_name=None, + enabled=True, + use_hostcc=False, + use_global_deps=True, + vars=None, + subdir=None, + hide_symbols=False, + __require_builtin_deps=False, + provide_builtin_linking=False, + builtin_cflags='', + allow_warnings=False, + pyext=False, + pyembed=False): + '''define a Samba subsystem''' + + # We support: + # - SUBSYSTEM: a normal subsystem from SAMBA_SUBSYSTEM() + # - BUILTIN: a hidden subsystem from __SAMBA_SUBSYSTEM_BUILTIN() + if target_type not in ['SUBSYSTEM', 'BUILTIN']: + raise Errors.WafError("target_type[%s] not supported in SAMBA_SUBSYSTEM('%s')" % + (target_type, modname)) + + if not enabled: + SET_TARGET_TYPE(bld, modname, 'DISABLED') + return + + # remember empty subsystems, so we can strip the dependencies + if ((source == '') or (source == [])): + if not __force_empty and deps == '' and public_deps == '': + SET_TARGET_TYPE(bld, modname, 'EMPTY') + return + empty_c = modname + '.empty.c' + bld.SAMBA_GENERATOR('%s_empty_c' % modname, + rule=generate_empty_file, + target=empty_c) + source=empty_c + + if not SET_TARGET_TYPE(bld, modname, target_type): + return + + source = bld.EXPAND_VARIABLES(source, vars=vars) + if subdir: + source = bld.SUBDIR(subdir, source) + source = unique_list(TO_LIST(source)) + + deps += ' ' + public_deps + + bld.SET_BUILD_GROUP(group) + + features = 'c' + if pyext: + features += ' pyext' + if pyembed: + features += ' pyembed' + + t = bld( + features = features, + source = source, + target = modname, + samba_cflags = CURRENT_CFLAGS(bld, modname, cflags, + allow_warnings=allow_warnings, + use_hostcc=use_hostcc, + hide_symbols=hide_symbols), + depends_on = depends_on, + samba_deps = TO_LIST(deps), + samba_includes = includes, + local_include = local_include, + local_include_first = local_include_first, + global_include = global_include, + samba_subsystem= subsystem_name, + samba_use_hostcc = use_hostcc, + samba_use_global_deps = use_global_deps, + samba_require_builtin_deps = __require_builtin_deps, + samba_builtin_subsystem = None, + ) + + if cflags_end is not None: + t.samba_cflags.extend(TO_LIST(cflags_end)) + + if autoproto is not None: + bld.SAMBA_AUTOPROTO(autoproto, source + TO_LIST(autoproto_extra_source)) + if public_headers is not None: + bld.PUBLIC_HEADERS(public_headers, header_path=header_path, + public_headers_install=public_headers_install) + + if provide_builtin_linking: + + if use_hostcc: + raise Errors.WafError("subsystem[%s] provide_builtin_linking=True " + + "not allowed with use_hostcc=True" % + modname) + + if pyext or pyembed: + raise Errors.WafError("subsystem[%s] provide_builtin_linking=True " + + "not allowed with pyext=True nor pyembed=True" % + modname) + + if __require_builtin_deps: + raise Errors.WafError("subsystem[%s] provide_builtin_linking=True " + + "not allowed with __require_builtin_deps=True" % + modname) + + builtin_target = modname + '.builtin.objlist' + tbuiltin = __SAMBA_SUBSYSTEM_BUILTIN(bld, builtin_target, source, + deps=deps, + public_deps=public_deps, + includes=includes, + header_path=header_path, + builtin_cflags=builtin_cflags, + builtin_cflags_end='-D_PUBLIC_=_PRIVATE_', + group=group, + depends_on=depends_on, + local_include=local_include, + global_include=global_include, + allow_warnings=allow_warnings) + t.samba_builtin_subsystem = tbuiltin + + return t + + +Build.BuildContext.SAMBA_SUBSYSTEM = SAMBA_SUBSYSTEM + + +def SAMBA_GENERATOR(bld, name, rule, source='', target='', + group='generators', enabled=True, + public_headers=None, + public_headers_install=True, + private_headers=None, + header_path=None, + vars=None, + dep_vars=None, + always=False): + '''A generic source generator target''' + + if dep_vars is None: + dep_vars = [] + if not SET_TARGET_TYPE(bld, name, 'GENERATOR'): + return + + if not enabled: + return + + dep_vars = TO_LIST(dep_vars) + dep_vars.append('ruledeps') + dep_vars.append('SAMBA_GENERATOR_VARS') + + shell=isinstance(rule, str) + + # This ensures that if the command (executed in the shell) fails + # (returns non-zero), the build fails + if shell: + rule = "set -e; " + rule + + bld.SET_BUILD_GROUP(group) + t = bld( + rule=rule, + source=bld.EXPAND_VARIABLES(source, vars=vars), + shell=shell, + target=target, + update_outputs=True, + before='c', + ext_out='.c', + samba_type='GENERATOR', + dep_vars = dep_vars, + name=name) + + if vars is None: + vars = {} + t.env.SAMBA_GENERATOR_VARS = vars + + if always: + t.always = True + + if public_headers is not None: + bld.PUBLIC_HEADERS(public_headers, header_path=header_path, + public_headers_install=public_headers_install) + return t +Build.BuildContext.SAMBA_GENERATOR = SAMBA_GENERATOR + + + +@Utils.run_once +def SETUP_BUILD_GROUPS(bld): + '''setup build groups used to ensure that the different build + phases happen consecutively''' + bld.p_ln = bld.srcnode # we do want to see all targets! + bld.env['USING_BUILD_GROUPS'] = True + bld.add_group('setup') + bld.add_group('generators') + bld.add_group('hostcc_base_build_source') + bld.add_group('hostcc_base_build_main') + bld.add_group('hostcc_build_source') + bld.add_group('hostcc_build_main') + bld.add_group('vscripts') + bld.add_group('base_libraries') + bld.add_group('build_source') + bld.add_group('prototypes') + bld.add_group('headers') + bld.add_group('main') + bld.add_group('symbolcheck') + bld.add_group('syslibcheck') + bld.add_group('final') +Build.BuildContext.SETUP_BUILD_GROUPS = SETUP_BUILD_GROUPS + + +def SET_BUILD_GROUP(bld, group): + '''set the current build group''' + if not 'USING_BUILD_GROUPS' in bld.env: + return + bld.set_group(group) +Build.BuildContext.SET_BUILD_GROUP = SET_BUILD_GROUP + + + +def SAMBA_SCRIPT(bld, name, pattern, installdir, installname=None): + '''used to copy scripts from the source tree into the build directory + for use by selftest''' + + source = bld.path.ant_glob(pattern, flat=True) + + bld.SET_BUILD_GROUP('build_source') + for s in TO_LIST(source): + iname = s + if installname is not None: + iname = installname + target = os.path.join(installdir, iname) + tgtdir = os.path.dirname(os.path.join(bld.srcnode.abspath(bld.env), '..', target)) + mkdir_p(tgtdir) + link_src = os.path.normpath(os.path.join(bld.path.abspath(), s)) + link_dst = os.path.join(tgtdir, os.path.basename(iname)) + if os.path.islink(link_dst) and os.readlink(link_dst) == link_src: + continue + if os.path.islink(link_dst): + os.unlink(link_dst) + Logs.info("symlink: %s -> %s/%s" % (s, installdir, iname)) + symlink(link_src, link_dst) +Build.BuildContext.SAMBA_SCRIPT = SAMBA_SCRIPT + + +def copy_and_fix_python_path(task): + pattern='sys.path.insert(0, "bin/python")' + if task.env["PYTHONARCHDIR"] in sys.path and task.env["PYTHONDIR"] in sys.path: + replacement = "" + elif task.env["PYTHONARCHDIR"] == task.env["PYTHONDIR"]: + replacement="""sys.path.insert(0, "%s")""" % task.env["PYTHONDIR"] + else: + replacement="""sys.path.insert(0, "%s") +sys.path.insert(1, "%s")""" % (task.env["PYTHONARCHDIR"], task.env["PYTHONDIR"]) + + if task.env["PYTHON"][0].startswith("/"): + replacement_shebang = "#!%s\n" % task.env["PYTHON"][0] + else: + replacement_shebang = "#!/usr/bin/env %s\n" % task.env["PYTHON"][0] + + installed_location=task.outputs[0].bldpath(task.env) + source_file = open(task.inputs[0].srcpath(task.env)) + installed_file = open(installed_location, 'w') + lineno = 0 + for line in source_file: + newline = line + if (lineno == 0 and + line[:2] == "#!"): + newline = replacement_shebang + elif pattern in line: + newline = line.replace(pattern, replacement) + installed_file.write(newline) + lineno = lineno + 1 + installed_file.close() + os.chmod(installed_location, 0o755) + return 0 + +def copy_and_fix_perl_path(task): + pattern='use lib "$RealBin/lib";' + + replacement = "" + if not task.env["PERL_LIB_INSTALL_DIR"] in task.env["PERL_INC"]: + replacement = 'use lib "%s";' % task.env["PERL_LIB_INSTALL_DIR"] + + if task.env["PERL"][0] == "/": + replacement_shebang = "#!%s\n" % task.env["PERL"] + else: + replacement_shebang = "#!/usr/bin/env %s\n" % task.env["PERL"] + + installed_location=task.outputs[0].bldpath(task.env) + source_file = open(task.inputs[0].srcpath(task.env)) + installed_file = open(installed_location, 'w') + lineno = 0 + for line in source_file: + newline = line + if lineno == 0 and task.env["PERL_SPECIFIED"] is True and line[:2] == "#!": + newline = replacement_shebang + elif pattern in line: + newline = line.replace(pattern, replacement) + installed_file.write(newline) + lineno = lineno + 1 + installed_file.close() + os.chmod(installed_location, 0o755) + return 0 + + +def install_file(bld, destdir, file, chmod=MODE_644, flat=False, + python_fixup=False, perl_fixup=False, + destname=None, base_name=None): + '''install a file''' + if not isinstance(file, str): + file = file.abspath() + destdir = bld.EXPAND_VARIABLES(destdir) + if not destname: + destname = file + if flat: + destname = os.path.basename(destname) + dest = os.path.join(destdir, destname) + if python_fixup: + # fix the path python will use to find Samba modules + inst_file = file + '.inst' + bld.SAMBA_GENERATOR('python_%s' % destname, + rule=copy_and_fix_python_path, + dep_vars=["PYTHON","PYTHON_SPECIFIED","PYTHONDIR","PYTHONARCHDIR"], + source=file, + target=inst_file) + file = inst_file + if perl_fixup: + # fix the path perl will use to find Samba modules + inst_file = file + '.inst' + bld.SAMBA_GENERATOR('perl_%s' % destname, + rule=copy_and_fix_perl_path, + dep_vars=["PERL","PERL_SPECIFIED","PERL_LIB_INSTALL_DIR"], + source=file, + target=inst_file) + file = inst_file + if base_name: + file = os.path.join(base_name, file) + bld.install_as(dest, file, chmod=chmod) + + +def INSTALL_FILES(bld, destdir, files, chmod=MODE_644, flat=False, + python_fixup=False, perl_fixup=False, + destname=None, base_name=None): + '''install a set of files''' + for f in TO_LIST(files): + install_file(bld, destdir, f, chmod=chmod, flat=flat, + python_fixup=python_fixup, perl_fixup=perl_fixup, + destname=destname, base_name=base_name) +Build.BuildContext.INSTALL_FILES = INSTALL_FILES + + +def INSTALL_WILDCARD(bld, destdir, pattern, chmod=MODE_644, flat=False, + python_fixup=False, exclude=None, trim_path=None): + '''install a set of files matching a wildcard pattern''' + files=TO_LIST(bld.path.ant_glob(pattern, flat=True)) + if trim_path: + files2 = [] + for f in files: + files2.append(os.path.relpath(f, trim_path)) + files = files2 + + if exclude: + for f in files[:]: + if fnmatch.fnmatch(f, exclude): + files.remove(f) + INSTALL_FILES(bld, destdir, files, chmod=chmod, flat=flat, + python_fixup=python_fixup, base_name=trim_path) +Build.BuildContext.INSTALL_WILDCARD = INSTALL_WILDCARD + +def INSTALL_DIR(bld, path, chmod=0o755): + """Install a directory if it doesn't exist, always set permissions.""" + + if not path: + return [] + + destpath = bld.EXPAND_VARIABLES(path) + if Options.options.destdir: + destpath = os.path.join(Options.options.destdir, destpath.lstrip(os.sep)) + + if bld.is_install > 0: + if not os.path.isdir(destpath): + try: + Logs.info('* create %s', destpath) + os.makedirs(destpath) + os.chmod(destpath, chmod) + except OSError as e: + if not os.path.isdir(destpath): + raise Errors.WafError("Cannot create the folder '%s' (error: %s)" % (path, e)) +Build.BuildContext.INSTALL_DIR = INSTALL_DIR + +def INSTALL_DIRS(bld, destdir, dirs, chmod=0o755): + '''install a set of directories''' + destdir = bld.EXPAND_VARIABLES(destdir) + dirs = bld.EXPAND_VARIABLES(dirs) + for d in TO_LIST(dirs): + INSTALL_DIR(bld, os.path.join(destdir, d), chmod) +Build.BuildContext.INSTALL_DIRS = INSTALL_DIRS + + +def MANPAGES(bld, manpages, install): + '''build and install manual pages''' + bld.env.MAN_XSL = 'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl' + for m in manpages.split(): + source = m + '.xml' + bld.SAMBA_GENERATOR(m, + source=source, + target=m, + group='final', + rule='${XSLTPROC} --xinclude -o ${TGT} --nonet ${MAN_XSL} ${SRC}' + ) + if install: + bld.INSTALL_FILES('${MANDIR}/man%s' % m[-1], m, flat=True) +Build.BuildContext.MANPAGES = MANPAGES + +def SAMBAMANPAGES(bld, manpages, extra_source=None): + '''build and install manual pages''' + bld.env.SAMBA_EXPAND_XSL = bld.srcnode.abspath() + '/docs-xml/xslt/expand-sambadoc.xsl' + bld.env.SAMBA_MAN_XSL = bld.srcnode.abspath() + '/docs-xml/xslt/man.xsl' + bld.env.SAMBA_CATALOG = bld.bldnode.abspath() + '/docs-xml/build/catalog.xml' + bld.env.SAMBA_CATALOGS = os.getenv('XML_CATALOG_FILES', 'file:///etc/xml/catalog file:///usr/local/share/xml/catalog') + ' file://' + bld.env.SAMBA_CATALOG + + for m in manpages.split(): + source = [m + '.xml'] + if extra_source is not None: + source = [source, extra_source] + # ${SRC[1]}, ${SRC[2]} and ${SRC[3]} are not referenced in the + # SAMBA_GENERATOR but trigger the dependency calculation so + # ensures that manpages are rebuilt when these change. + source += ['build/DTD/samba.build.pathconfig', 'build/DTD/samba.entities', 'build/DTD/samba.build.version'] + bld.SAMBA_GENERATOR(m, + source=source, + target=m, + group='final', + dep_vars=['SAMBA_MAN_XSL', 'SAMBA_EXPAND_XSL', 'SAMBA_CATALOG'], + rule='''XML_CATALOG_FILES="${SAMBA_CATALOGS}" + export XML_CATALOG_FILES + ${XSLTPROC} --xinclude --stringparam noreference 0 -o ${TGT}.xml --nonet ${SAMBA_EXPAND_XSL} ${SRC[0].abspath(env)} + ${XSLTPROC} --nonet -o ${TGT} ${SAMBA_MAN_XSL} ${TGT}.xml''' + ) + bld.INSTALL_FILES('${MANDIR}/man%s' % m[-1], m, flat=True) +Build.BuildContext.SAMBAMANPAGES = SAMBAMANPAGES + +@after('apply_link') +@feature('cshlib') +def apply_bundle_remove_dynamiclib_patch(self): + if self.env['MACBUNDLE'] or getattr(self,'mac_bundle',False): + if not getattr(self,'vnum',None): + try: + self.env['LINKFLAGS'].remove('-dynamiclib') + self.env['LINKFLAGS'].remove('-single_module') + except ValueError: + pass diff --git a/buildtools/wafsamba/wscript b/buildtools/wafsamba/wscript new file mode 100644 index 0000000..99a6237 --- /dev/null +++ b/buildtools/wafsamba/wscript @@ -0,0 +1,737 @@ +#!/usr/bin/env python + +# this is a base set of waf rules that everything else pulls in first + +import os, sys +from waflib import Configure, Logs, Options, Utils, Context, Errors +import wafsamba +from samba_utils import symlink +from optparse import SUPPRESS_HELP + +phs = os.environ.get("PYTHONHASHSEED", None) +if phs != "1": + raise Errors.WafError('''PYTHONHASHSEED=1 missing! Don't use waf directly, use ./configure and make!''') + +# this forces configure to be re-run if any of the configure +# sections of the build scripts change. We have to check +# for this in sys.argv as options have not yet been parsed when +# we need to set this. This is off by default until some issues +# are resolved related to WAFCACHE. It will need a lot of testing +# before it is enabled by default. +if '--enable-auto-reconfigure' in sys.argv: + Configure.autoconfig = 'clobber' + +def default_value(option, default=''): + if option in Options.options.__dict__: + return Options.options.__dict__[option] + return default + +def options(opt): + opt.load('compiler_cc') + + opt.load('gnu_dirs') + + gr = opt.option_group('library handling options') + + gr.add_option('--bundled-libraries', + help=(f'''comma separated list of bundled libraries. + +{Context.g_module.APPNAME} includes copies of externally maintained +system libraries (such as popt, cmocka) as well as Samba-maintained +libraries that can be found on the system already (such as talloc, +tdb). + +This option, most useful for packagers, controls if each library +should be forced to be obtained from inside Samba (bundled), forced to +be obtained from the system (bundling disabled, ensuing that +dependency errors are not silently missed) or if that choice should be +automatic (best for end users). + +May include !LIBNAME to disable bundling a library. + +Can be 'NONE' or 'ALL' [auto]'''), + action="store", dest='BUNDLED_LIBS', default='') + + gr.add_option('--private-libraries', + help=(f'''comma separated list of normally public libraries to build instead as private libraries. + +By default {Context.g_module.APPNAME} will publish a number of public +libraries for use by other software. For Samba this would include +libwbclient, libsmbclient and others. + +This allows that to be disabled, to ensure that other software does +not use these libraries and they are placed in a private filesystem +prefix. + +May include !LIBNAME to disable making a library private in order to +limit the effect of 'ALL' '''), + action="store", dest='PRIVATE_LIBS', default='') + + extension_default = default_value('PRIVATE_EXTENSION_DEFAULT') + gr.add_option('--private-library-extension', + help=("name extension for private libraries [%s]" % extension_default), + action="store", dest='PRIVATE_EXTENSION', default=extension_default) + + extension_exception = default_value('PRIVATE_EXTENSION_EXCEPTION') + gr.add_option('--private-extension-exception', + help=("comma separated list of libraries to not apply extension to [%s]" % extension_exception), + action="store", dest='PRIVATE_EXTENSION_EXCEPTION', default=extension_exception) + + builtin_default = default_value('BUILTIN_LIBRARIES_DEFAULT') + gr.add_option('--builtin-libraries', help=( +f'''comma separated list of libraries to build directly into binaries. + +By default {Context.g_module.APPNAME} will build a large number of +shared libraries, to reduce binary size. This overrides this +behaviour and essentially statically links the specified libraries into +each binary [{builtin_default}]'''), + action="store", + dest='BUILTIN_LIBRARIES', default=builtin_default) + + gr.add_option('--minimum-library-version', + help=( +f'''list of minimum system library versions for otherwise bundled +libraries. + +{Context.g_module.APPNAME} by default requires that, in order to match +what is tested in our continuous integration (CI) test-suite, that the +versions of libraries that we include match that found on the system, +before we will select not to 'bundle'. + +This option, possibly useful for packagers, allows that specified +version to be overridden (say, if it is absolutely known that the +newer version included in this tarball has no relevant changes). + +Use this with extreme care + +(LIBNAME1:version,LIBNAME2:version)'''), + action="store", dest='MINIMUM_LIBRARY_VERSION', default='') + + gr.add_option('--disable-rpath', + help=("Disable use of rpath for build binaries"), + action="store_true", dest='disable_rpath_build', default=False) + gr.add_option('--disable-rpath-install', + help=("Disable use of rpath for library path in installed files"), + action="store_true", dest='disable_rpath_install', default=False) + gr.add_option('--disable-rpath-private-install', + help=("Disable use of rpath for private library path in installed files"), + action="store_true", dest='disable_rpath_private_install', default=False) + gr.add_option('--nonshared-binary', + help=( +f'''Disable use of shared libraries internal to {Context.g_module.APPNAME} for the listed binaries. + +The resulting binaries are 'statically linked' with regard to components provided by +{Context.g_module.APPNAME}, but remain dynamically linked to (eg) libc.so and libgnutls.so + +Currently the only tested value is 'smbtorture,smbd/smbd' for Samba'''), + action="store", dest='NONSHARED_BINARIES', default='') + gr.add_option('--disable-symbol-versions', + help=("Disable use of the --version-script linker option"), + action="store_true", dest='disable_symbol_versions', default=False) + + opt.add_option('--with-modulesdir', + help=("modules directory [PREFIX/modules]"), + action="store", dest='MODULESDIR', default='${PREFIX}/modules') + + opt.add_option('--with-privatelibdir', + help=("private library directory [PREFIX/lib/%s]" % Context.g_module.APPNAME), + action="store", dest='PRIVATELIBDIR', default=None) + + opt.add_option('--with-libiconv', + help='additional directory to search for libiconv', + action='store', dest='iconv_open', default='/usr/local', + match = ['Checking for library iconv', 'Checking for iconv_open', 'Checking for header iconv.h']) + opt.add_option('--without-gettext', + help=("Disable use of gettext"), + action="store_true", dest='disable_gettext', default=False) + + gr = opt.option_group('developer options') + + gr.add_option('-C', + help='enable configure caching', + action='store_true', dest='enable_configure_cache') + gr.add_option('--enable-auto-reconfigure', + help='enable automatic reconfigure on build', + action='store_true', dest='enable_auto_reconfigure') + gr.add_option('--enable-debug', + help=("Turn on debugging symbols"), + action="store_true", dest='debug', default=False) + gr.add_option('--enable-developer', + help=("Turn on developer warnings and debugging"), + action="store_true", dest='developer', default=False) + gr.add_option('--pidl-developer', + help=("annotate PIDL-generated code for developers"), + action="store_true", dest='pidl_developer', default=False) + gr.add_option('--disable-warnings-as-errors', + help=("Do not treat all warnings as errors (disable -Werror)"), + action="store_true", dest='disable_warnings_as_errors', default=False) + opt.add_option('--enable-coverage', + help=("enable options necessary for code coverage " + "reporting on selftest (default=no)"), + action="store_true", dest='enable_coverage', default=False) + gr.add_option('--fatal-errors', + help=("Stop compilation on first error (enable -Wfatal-errors)"), + action="store_true", dest='fatal_errors', default=False) + gr.add_option('--enable-gccdeps', + help=("Enable use of gcc -MD dependency module"), + action="store_true", dest='enable_gccdeps', default=True) + gr.add_option('--pedantic', + help=("Enable even more compiler warnings"), + action='store_true', dest='pedantic', default=False) + gr.add_option('--git-local-changes', + help=("mark version with + if local git changes"), + action='store_true', dest='GIT_LOCAL_CHANGES', default=False) + gr.add_option('--address-sanitizer', + help=("Enable address sanitizer compile and linker flags"), + action="store_true", dest='address_sanitizer', default=False) + gr.add_option('--undefined-sanitizer', + help=("Enable undefined behaviour sanitizer compile and linker flags"), + action="store_true", + dest='undefined_sanitizer', + default=False) + gr.add_option('--memory-sanitizer', + help=("Enable memory behaviour sanitizer compile and linker flags"), + action="store_true", + dest='memory_sanitizer', + default=False) + gr.add_option('--enable-libfuzzer', + help=("Build fuzzing binaries (use ADDITIONAL_CFLAGS to specify compiler options for libFuzzer or use CC=honggfuzz/hfuzz-cc)"), + action="store_true", dest='enable_libfuzzer', default=False) + gr.add_option('--enable-afl-fuzzer', + help=("Build fuzzing binaries AFL-style (typically use with CC=afl-gcc)"), + action="store_true", dest='enable_afl_fuzzer', default=False) + + # Fuzz targets may need additional LDFLAGS that we can't use on + # internal binaries like asn1_compile + + gr.add_option('--fuzz-target-ldflags', + help=("Linker flags to be used when building fuzz targets"), + action="store", dest='FUZZ_TARGET_LDFLAGS', default='') + + gr.add_option('--abi-check', + help=("Check ABI signatures for libraries"), + action='store_true', dest='ABI_CHECK', default=False) + gr.add_option('--abi-check-disable', + help=("Disable ABI checking (used with --enable-developer)"), + action='store_true', dest='ABI_CHECK_DISABLE', default=False) + gr.add_option('--abi-update', + help=("Update ABI signature files for libraries"), + action='store_true', dest='ABI_UPDATE', default=False) + + gr.add_option('--show-deps', + help=("Show dependency tree for the given target"), + dest='SHOWDEPS', default='') + + gr.add_option('--symbol-check', + help=("check symbols in object files against project rules"), + action='store_true', dest='SYMBOLCHECK', default=False) + + gr.add_option('--dup-symbol-check', + help=("check for duplicate symbols in object files and system libs (must be configured with --enable-developer)"), + action='store_true', dest='DUP_SYMBOLCHECK', default=False) + + gr.add_option('--why-needed', + help=("TARGET:DEPENDENCY check why TARGET needs DEPENDENCY"), + action='store', type='str', dest='WHYNEEDED', default=None) + + gr.add_option('--show-duplicates', + help=("Show objects which are included in multiple binaries or libraries"), + action='store_true', dest='SHOW_DUPLICATES', default=False) + + gr = opt.add_option_group('cross compilation options') + + gr.add_option('--cross-compile', + help=("configure for cross-compilation"), + action='store_true', dest='CROSS_COMPILE', default=False) + gr.add_option('--cross-execute', + help=("command prefix to use for cross-execution in configure"), + action='store', dest='CROSS_EXECUTE', default='') + gr.add_option('--cross-answers', + help=("answers to cross-compilation configuration (auto modified)"), + action='store', dest='CROSS_ANSWERS', default='') + gr.add_option('--hostcc', + help=("set host compiler when cross compiling"), + action='store', dest='HOSTCC', default=False) + + # we use SUPPRESS_HELP for these, as they are ignored, and are there only + # to allow existing RPM spec files to work + opt.add_option('--build', + help=SUPPRESS_HELP, + action='store', dest='AUTOCONF_BUILD', default='') + opt.add_option('--host', + help=SUPPRESS_HELP, + action='store', dest='AUTOCONF_HOST', default='') + opt.add_option('--target', + help=SUPPRESS_HELP, + action='store', dest='AUTOCONF_TARGET', default='') + opt.add_option('--program-prefix', + help=SUPPRESS_HELP, + action='store', dest='AUTOCONF_PROGRAM_PREFIX', default='') + opt.add_option('--disable-dependency-tracking', + help=SUPPRESS_HELP, + action='store_true', dest='AUTOCONF_DISABLE_DEPENDENCY_TRACKING', default=False) + opt.add_option('--disable-silent-rules', + help=SUPPRESS_HELP, + action='store_true', dest='AUTOCONF_DISABLE_SILENT_RULES', default=False) + + gr = opt.option_group('dist options') + gr.add_option('--sign-release', + help='sign the release tarball created by waf dist', + action='store_true', dest='SIGN_RELEASE') + gr.add_option('--tag', + help='tag release in git at the same time', + type='string', action='store', dest='TAG_RELEASE') + + opt.add_option('--disable-python', + help='do not generate python modules', + action='store_true', dest='disable_python', default=False) + + +@Utils.run_once +def configure(conf): + conf.env.hlist = [] + conf.env.srcdir = conf.srcnode.abspath() + + conf.define('SRCDIR', conf.env['srcdir']) + + conf.SETUP_CONFIGURE_CACHE(Options.options.enable_configure_cache) + + # load our local waf extensions + conf.load('gnu_dirs') + conf.load('wafsamba') + + conf.CHECK_CC_ENV() + + conf.load('compiler_c') + + conf.CHECK_STANDARD_LIBPATH() + + # we need git for 'waf dist' + conf.find_program('git', var='GIT') + + # older gcc versions (< 4.4) does not work with gccdeps, so we have to see if the .d file is generated + if Options.options.enable_gccdeps: + # stale file removal - the configuration may pick up the old .pyc file + p = os.path.join(conf.env.srcdir, 'buildtools/wafsamba/gccdeps.pyc') + if os.path.exists(p): + os.remove(p) + conf.load('gccdeps') + + # make the install paths available in environment + conf.env.LIBDIR = Options.options.LIBDIR or '${PREFIX}/lib' + conf.env.BINDIR = Options.options.BINDIR or '${PREFIX}/bin' + conf.env.SBINDIR = Options.options.SBINDIR or '${PREFIX}/sbin' + conf.env.MODULESDIR = Options.options.MODULESDIR + conf.env.PRIVATELIBDIR = Options.options.PRIVATELIBDIR + conf.env.BUNDLED_LIBS = Options.options.BUNDLED_LIBS.split(',') + conf.env.SYSTEM_LIBS = () + conf.env.PRIVATE_LIBS = Options.options.PRIVATE_LIBS.split(',') + conf.env.BUILTIN_LIBRARIES = Options.options.BUILTIN_LIBRARIES.split(',') + conf.env.NONSHARED_BINARIES = Options.options.NONSHARED_BINARIES.split(',') + + conf.env.PRIVATE_EXTENSION = Options.options.PRIVATE_EXTENSION + conf.env.PRIVATE_EXTENSION_EXCEPTION = Options.options.PRIVATE_EXTENSION_EXCEPTION.split(',') + conf.env.PRIVATE_VERSION = "%s_%s_%s" % (Context.g_module.APPNAME, + Context.g_module.VERSION, conf.env.PRIVATE_EXTENSION) + + conf.env.CROSS_COMPILE = Options.options.CROSS_COMPILE + conf.env.CROSS_EXECUTE = Options.options.CROSS_EXECUTE + conf.env.CROSS_ANSWERS = Options.options.CROSS_ANSWERS + conf.env.HOSTCC = Options.options.HOSTCC + + conf.env.AUTOCONF_BUILD = Options.options.AUTOCONF_BUILD + conf.env.AUTOCONF_HOST = Options.options.AUTOCONF_HOST + conf.env.AUTOCONF_PROGRAM_PREFIX = Options.options.AUTOCONF_PROGRAM_PREFIX + + conf.env.disable_python = Options.options.disable_python + + if (conf.env.AUTOCONF_HOST and + conf.env.AUTOCONF_BUILD and + conf.env.AUTOCONF_BUILD != conf.env.AUTOCONF_HOST): + Logs.error('ERROR: Mismatch between --build and --host. Please use --cross-compile instead') + sys.exit(1) + if conf.env.AUTOCONF_PROGRAM_PREFIX: + Logs.error('ERROR: --program-prefix not supported') + sys.exit(1) + + # enable ABI checking for developers + conf.env.ABI_CHECK = Options.options.ABI_CHECK or Options.options.developer + if Options.options.ABI_CHECK_DISABLE: + conf.env.ABI_CHECK = False + try: + conf.find_program('gdb', mandatory=True) + except: + conf.env.ABI_CHECK = False + + conf.env.enable_coverage = Options.options.enable_coverage + if conf.env.enable_coverage: + conf.ADD_LDFLAGS('-lgcov', testflags=True) + conf.ADD_CFLAGS('--coverage', testflags=True) + # disable abi check for coverage, otherwise ld will fail + conf.env.ABI_CHECK = False + + conf.env.GIT_LOCAL_CHANGES = Options.options.GIT_LOCAL_CHANGES + + conf.CHECK_UNAME() + + # see if we can compile and run a simple C program + conf.CHECK_CODE('printf("hello world")', + define='HAVE_SIMPLE_C_PROG', + mandatory=True, + execute=not conf.env.CROSS_COMPILE, + headers='stdio.h', + msg='Checking simple C program') + + # Try to find the right extra flags for -Werror behaviour + for f in ["-Werror", # GCC + "-errwarn=%all", # Sun Studio + "-qhalt=w", # IBM xlc + "-w2", # Tru64 + ]: + if conf.CHECK_CFLAGS([f]): + if not 'WERROR_CFLAGS' in conf.env: + conf.env['WERROR_CFLAGS'] = [] + conf.env['WERROR_CFLAGS'].extend([f]) + break + + # check which compiler/linker flags are needed for rpath support + if conf.CHECK_LDFLAGS(['-Wl,-rpath,.']): + conf.env['RPATH_ST'] = '-Wl,-rpath,%s' + elif conf.CHECK_LDFLAGS(['-Wl,-R,.']): + conf.env['RPATH_ST'] = '-Wl,-R,%s' + + # check for rpath + if conf.CHECK_LIBRARY_SUPPORT(rpath=True): + support_rpath = True + conf.env.RPATH_ON_BUILD = not Options.options.disable_rpath_build + conf.env.RPATH_ON_INSTALL = (conf.env.RPATH_ON_BUILD and + not Options.options.disable_rpath_install) + if not conf.env.PRIVATELIBDIR: + conf.env.PRIVATELIBDIR = '%s/%s' % (conf.env.LIBDIR, Context.g_module.APPNAME) + conf.env.RPATH_ON_INSTALL_PRIVATE = ( + not Options.options.disable_rpath_private_install) + else: + support_rpath = False + conf.env.RPATH_ON_INSTALL = False + conf.env.RPATH_ON_BUILD = False + conf.env.RPATH_ON_INSTALL_PRIVATE = False + if not conf.env.PRIVATELIBDIR: + # rpath is not possible so there is no sense in having a + # private library directory by default. + # the user can of course always override it. + conf.env.PRIVATELIBDIR = conf.env.LIBDIR + + if (not Options.options.disable_symbol_versions and + conf.CHECK_LIBRARY_SUPPORT(rpath=support_rpath, + version_script=True, + msg='-Wl,--version-script support')): + conf.env.HAVE_LD_VERSION_SCRIPT = True + else: + conf.env.HAVE_LD_VERSION_SCRIPT = False + + if conf.CHECK_CFLAGS(['-fvisibility=hidden']): + conf.env.VISIBILITY_CFLAGS = '-fvisibility=hidden' + conf.CHECK_CODE('''int main(void) { return 0; } + __attribute__((visibility("default"))) void vis_foo2(void) {}\n''', + cflags=conf.env.VISIBILITY_CFLAGS, + strict=True, + define='HAVE_VISIBILITY_ATTR', addmain=False) + + # check HAVE_CONSTRUCTOR_ATTRIBUTE + conf.CHECK_CODE(''' + void test_constructor_attribute(void) __attribute__ ((constructor)); + + void test_constructor_attribute(void) + { + return; + } + + int main(void) { + return 0; + } + ''', + 'HAVE_CONSTRUCTOR_ATTRIBUTE', + addmain=False, + strict=True, + msg='Checking for library constructor support') + + # check HAVE_PRAGMA_INIT alternatively + if not conf.env.HAVE_CONSTRUCTOR_ATTRIBUTE: + conf.CHECK_CODE(''' + #pragma init (test_init) + + void test_init(void) + { + return; + } + + int main(void) { + return 0; + } + ''', + 'HAVE_PRAGMA_INIT', + addmain=False, + strict=True, + msg='Checking for pragma init support') + + # check HAVE_DESTRUCTOR_ATTRIBUTE + conf.CHECK_CODE(''' + void test_destructor_attribute(void) __attribute__ ((destructor)); + + void test_destructor_attribute(void) + { + return; + } + + int main(void) { + return 0; + } + ''', + 'HAVE_DESTRUCTOR_ATTRIBUTE', + addmain=False, + strict=True, + msg='Checking for library destructor support') + + # check HAVE_PRAGMA_FINI alternatively + if not conf.env.HAVE_DESTRUCTOR_ATTRIBUTE: + conf.CHECK_CODE(''' + #pragma fini (test_fini) + + void test_fini(void) + { + return; + } + + int main(void) { + return 0; + } + ''', + 'HAVE_PRAGMA_FINI', + addmain=False, + strict=True, + msg='Checking for pragma fini support') + + conf.CHECK_CODE(''' + void test_attribute(void) __attribute__ (()); + + void test_attribute(void) + { + return; + } + + int main(void) { + return 0; + } + ''', + 'HAVE___ATTRIBUTE__', + addmain=False, + strict=True, + msg='Checking for __attribute__') + + # Solaris by default uses draft versions of some functions unless you set + # _POSIX_PTHREAD_SEMANTICS + if sys.platform.startswith('sunos'): + conf.DEFINE('_POSIX_PTHREAD_SEMANTICS', 1) + + if sys.platform.startswith('aix'): + conf.DEFINE('_ALL_SOURCE', 1, add_to_cflags=True) + # Might not be needed if ALL_SOURCE is defined + # conf.DEFINE('_XOPEN_SOURCE', 600, add_to_cflags=True) + + # we should use the PIC options in waf instead + # Some compiler didn't support -fPIC but just print a warning + if conf.env['COMPILER_CC'] == "suncc": + conf.ADD_CFLAGS('-KPIC', testflags=True) + # we really want define here as we need to have this + # define even during the tests otherwise detection of + # boolean is broken + conf.DEFINE('_STDC_C99', 1, add_to_cflags=True) + conf.DEFINE('_XPG6', 1, add_to_cflags=True) + else: + conf.ADD_CFLAGS('-fPIC', testflags=True) + + # On Solaris 8 with suncc (at least) the flags for the linker to define the name of the + # library are not always working (if the command line is very very long and with a lot + # of files) + + if conf.env['COMPILER_CC'] == "suncc": + save = conf.env['SONAME_ST'] + conf.env['SONAME_ST'] = '-Wl,-h,%s' + if not conf.CHECK_SHLIB_INTRASINC_NAME_FLAGS("Checking if flags %s are ok" % conf.env['SONAME_ST']): + conf.env['SONAME_ST'] = save + + conf.CHECK_INLINE() + + # check for pkgconfig + conf.CHECK_CFG(atleast_pkgconfig_version='0.0.0') + + conf.DEFINE('_GNU_SOURCE', 1, add_to_cflags=True) + conf.DEFINE('_XOPEN_SOURCE_EXTENDED', 1, add_to_cflags=True) + + # + # Needs to be defined before std*.h and string*.h are included + # As Python.h already brings string.h we need it in CFLAGS. + # See memset_s() details here: + # https://en.cppreference.com/w/c/string/byte/memset + # + if conf.CHECK_CFLAGS(['-D__STDC_WANT_LIB_EXT1__=1']): + conf.ADD_CFLAGS('-D__STDC_WANT_LIB_EXT1__=1') + + # on Tru64 certain features are only available with _OSF_SOURCE set to 1 + # and _XOPEN_SOURCE set to 600 + if conf.env['SYSTEM_UNAME_SYSNAME'] == 'OSF1': + conf.DEFINE('_OSF_SOURCE', 1, add_to_cflags=True) + conf.DEFINE('_XOPEN_SOURCE', 600, add_to_cflags=True) + + # SCM_RIGHTS is only avail if _XOPEN_SOURCE iѕ defined on IRIX + if conf.env['SYSTEM_UNAME_SYSNAME'] == 'IRIX': + conf.DEFINE('_XOPEN_SOURCE', 600, add_to_cflags=True) + conf.DEFINE('_BSD_TYPES', 1, add_to_cflags=True) + + # Try to find the right extra flags for C99 initialisers + for f in ["", "-AC99", "-qlanglvl=extc99", "-qlanglvl=stdc99", "-c99"]: + if conf.CHECK_CFLAGS([f], ''' +struct foo {int x;char y;}; +struct foo bar = { .y = 'X', .x = 1 }; +'''): + if f != "": + conf.ADD_CFLAGS(f) + break + + # get the base headers we'll use for the rest of the tests + conf.CHECK_HEADERS('stdio.h sys/types.h sys/stat.h stdlib.h stddef.h memory.h string.h', + add_headers=True) + conf.CHECK_HEADERS('strings.h inttypes.h stdint.h unistd.h minix/config.h', add_headers=True) + conf.CHECK_HEADERS('ctype.h', add_headers=True) + + if sys.platform == 'darwin': + conf.DEFINE('_DARWIN_C_SOURCE', 1, add_to_cflags=True) + conf.DEFINE('_DARWIN_UNLIMITED_GETGROUPS', 1, add_to_cflags=True) + else: + conf.CHECK_HEADERS('standards.h', add_headers=True) + + conf.CHECK_HEADERS('stdbool.h stdint.h stdarg.h vararg.h', add_headers=True) + conf.CHECK_HEADERS('limits.h assert.h') + + # see if we need special largefile flags + if not conf.CHECK_LARGEFILE(): + raise Errors.WafError('Samba requires large file support, but not available on this platform: sizeof(off_t) < 8') + + if conf.env.HAVE_STDDEF_H and conf.env.HAVE_STDLIB_H: + conf.DEFINE('STDC_HEADERS', 1) + + conf.CHECK_HEADERS('sys/time.h time.h', together=True) + + if conf.env.HAVE_SYS_TIME_H and conf.env.HAVE_TIME_H: + conf.DEFINE('TIME_WITH_SYS_TIME', 1) + + # cope with different extensions for libraries + (root, ext) = os.path.splitext(conf.env.cshlib_PATTERN) + if ext[0] == '.': + conf.define('SHLIBEXT', ext[1:], quote=True) + else: + conf.define('SHLIBEXT', "so", quote=True) + + # First try a header check for cross-compile friendliness + conf.CHECK_CODE(code = """#ifdef __BYTE_ORDER + #define B __BYTE_ORDER + #elif defined(BYTE_ORDER) + #define B BYTE_ORDER + #endif + + #ifdef __LITTLE_ENDIAN + #define LITTLE __LITTLE_ENDIAN + #elif defined(LITTLE_ENDIAN) + #define LITTLE LITTLE_ENDIAN + #endif + + #if !defined(LITTLE) || !defined(B) || LITTLE != B + #error Not little endian. + #endif + int main(void) { return 0; }\n""", + addmain=False, + headers="endian.h sys/endian.h", + define="HAVE_LITTLE_ENDIAN") + conf.CHECK_CODE(code = """#ifdef __BYTE_ORDER + #define B __BYTE_ORDER + #elif defined(BYTE_ORDER) + #define B BYTE_ORDER + #endif + + #ifdef __BIG_ENDIAN + #define BIG __BIG_ENDIAN + #elif defined(BIG_ENDIAN) + #define BIG BIG_ENDIAN + #endif + + #if !defined(BIG) || !defined(B) || BIG != B + #error Not big endian. + #endif + int main(void) { return 0; }\n""", + addmain=False, + headers="endian.h sys/endian.h", + define="HAVE_BIG_ENDIAN") + + if not conf.CONFIG_SET("HAVE_BIG_ENDIAN") and not conf.CONFIG_SET("HAVE_LITTLE_ENDIAN"): + # That didn't work! Do runtime test. + conf.CHECK_CODE("""union { int i; char c[sizeof(int)]; } u; + u.i = 0x01020304; + return u.c[0] == 0x04 && u.c[1] == 0x03 && u.c[2] == 0x02 && u.c[3] == 0x01 ? 0 : 1;""", + addmain=True, execute=True, + define='HAVE_LITTLE_ENDIAN', + msg="Checking for HAVE_LITTLE_ENDIAN - runtime") + conf.CHECK_CODE("""union { int i; char c[sizeof(int)]; } u; + u.i = 0x01020304; + return u.c[0] == 0x01 && u.c[1] == 0x02 && u.c[2] == 0x03 && u.c[3] == 0x04 ? 0 : 1;""", + addmain=True, execute=True, + define='HAVE_BIG_ENDIAN', + msg="Checking for HAVE_BIG_ENDIAN - runtime") + + # Extra sanity check. + if conf.CONFIG_SET("HAVE_BIG_ENDIAN") == conf.CONFIG_SET("HAVE_LITTLE_ENDIAN"): + Logs.error("Failed endian determination. The PDP-11 is back?") + sys.exit(1) + else: + if conf.CONFIG_SET("HAVE_BIG_ENDIAN"): + conf.DEFINE('WORDS_BIGENDIAN', 1) + + # check if signal() takes a void function + if conf.CHECK_CODE('return *(signal (0, 0)) (0) == 1', + define='RETSIGTYPE_INT', + execute=False, + headers='signal.h', + msg='Checking if signal handlers return int'): + conf.DEFINE('RETSIGTYPE', 'int') + else: + conf.DEFINE('RETSIGTYPE', 'void') + + conf.CHECK_VARIABLE('__FUNCTION__', define='HAVE_FUNCTION_MACRO') + + conf.CHECK_CODE('va_list ap1,ap2; va_copy(ap1,ap2)', + define="HAVE_VA_COPY", + msg="Checking for va_copy") + + conf.env.enable_fuzzing = False + + conf.env.enable_libfuzzer = Options.options.enable_libfuzzer + conf.env.enable_afl_fuzzer = Options.options.enable_afl_fuzzer + if conf.env.enable_libfuzzer or conf.env.enable_afl_fuzzer: + conf.env.enable_fuzzing = True + conf.DEFINE('FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION', 1) + conf.env.FUZZ_TARGET_LDFLAGS = Options.options.FUZZ_TARGET_LDFLAGS + + conf.SAMBA_BUILD_ENV() + + +def build(bld): + # give a more useful message if the source directory has moved + curdir = bld.path.abspath() + srcdir = bld.srcnode.abspath() + relpath = os.path.relpath(curdir, srcdir) + if relpath.find('../') != -1: + Logs.error('bld.path %s is not a child of %s' % (curdir, srcdir)) + raise Errors.WafError('''The top source directory has moved. Please run distclean and reconfigure''') + + bld.SETUP_BUILD_GROUPS() + bld.ENFORCE_GROUP_ORDERING() + bld.CHECK_PROJECT_RULES() |