Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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..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
+