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Diffstat (limited to '')
| -rw-r--r-- | buildtools/wafsamba/samba_conftests.py | 529 |
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 + |