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-rw-r--r--buildtools/wafsamba/samba_conftests.py529
1 files changed, 529 insertions, 0 deletions
diff --git a/buildtools/wafsamba/samba_conftests.py b/buildtools/wafsamba/samba_conftests.py
new file mode 100644
index 0000000..2c3149c
--- /dev/null
+++ b/buildtools/wafsamba/samba_conftests.py
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+# 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 suceeds 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('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
+