buildtools/wafsamba/samba_conftests.py

   1 # a set of config tests that use the samba_autoconf functions
   2 # to test for commonly needed configuration options
   3
   4 import os, shutil, re
   5 import Build, Configure, Utils
   6 from Configure import conf
   7 from samba_utils import *
   8
   9
  10 def add_option(self, *k, **kw):
  11     '''syntax help: provide the "match" attribute to opt.add_option() so that folders can be added to specific config tests'''
  12     match = kw.get('match', [])
  13     if match:
  14         del kw['match']
  15     opt = self.parser.add_option(*k, **kw)
  16     opt.match = match
  17     return opt
  18 Options.Handler.add_option = add_option
  19
  20 @conf
  21 def check(self, *k, **kw):
  22     '''Override the waf defaults to inject --with-directory options'''
  23
  24     if not 'env' in kw:
  25         kw['env'] = self.env.copy()
  26
  27     # match the configuration test with speficic options, for example:
  28     # --with-libiconv -> Options.options.iconv_open -> "Checking for library iconv"
  29     additional_dirs = []
  30     if 'msg' in kw:
  31         msg = kw['msg']
  32         for x in Options.Handler.parser.parser.option_list:
  33              if getattr(x, 'match', None) and msg in x.match:
  34                  d = getattr(Options.options, x.dest, '')
  35                  if d:
  36                      additional_dirs.append(d)
  37
  38     # we add the additional dirs twice: once for the test data, and again if the compilation test suceeds below
  39     def add_options_dir(dirs, env):
  40         for x in dirs:
  41              if not x in env.CPPPATH:
  42                  env.CPPPATH = [os.path.join(x, 'include')] + env.CPPPATH
  43              if not x in env.LIBPATH:
  44                  env.LIBPATH = [os.path.join(x, 'lib')] + env.LIBPATH
  45
  46     add_options_dir(additional_dirs, kw['env'])
  47
  48     self.validate_c(kw)
  49     self.check_message_1(kw['msg'])
  50     ret = None
  51     try:
  52         ret = self.run_c_code(*k, **kw)
  53     except Configure.ConfigurationError, e:
  54         self.check_message_2(kw['errmsg'], 'YELLOW')
  55         if 'mandatory' in kw and kw['mandatory']:
  56             if Logs.verbose > 1:
  57                 raise
  58             else:
  59                 self.fatal('the configuration failed (see %r)' % self.log.name)
  60     else:
  61         kw['success'] = ret
  62         self.check_message_2(self.ret_msg(kw['okmsg'], kw))
  63
  64         # success! keep the CPPPATH/LIBPATH
  65         add_options_dir(additional_dirs, self.env)
  66
  67     self.post_check(*k, **kw)
  68     if not kw.get('execute', False):
  69         return ret == 0
  70     return ret
  71
  72
  73 @conf
  74 def CHECK_ICONV(conf, define='HAVE_NATIVE_ICONV'):
  75     '''check if the iconv library is installed
  76        optionally pass a define'''
  77     if conf.CHECK_FUNCS_IN('iconv_open', 'iconv', checklibc=True, headers='iconv.h'):
  78         conf.DEFINE(define, 1)
  79         return True
  80     return False
  81
  82
  83 @conf
  84 def CHECK_LARGEFILE(conf, define='HAVE_LARGEFILE'):
  85     '''see what we need for largefile support'''
  86     getconf_cflags = conf.CHECK_COMMAND(['getconf', 'LFS_CFLAGS']);
  87     if getconf_cflags is not False:
  88         if (conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
  89                             define='WORKING_GETCONF_LFS_CFLAGS',
  90                             execute=True,
  91                             cflags=getconf_cflags,
  92                             msg='Checking getconf large file support flags work')):
  93             conf.ADD_CFLAGS(getconf_cflags)
  94             getconf_cflags_list=TO_LIST(getconf_cflags)
  95             for flag in getconf_cflags_list:
  96                 if flag[:2] == "-D":
  97                     flag_split = flag[2:].split('=')
  98                     if len(flag_split) == 1:
  99                         conf.DEFINE(flag_split[0], '1')
 100                     else:
 101                         conf.DEFINE(flag_split[0], flag_split[1])
 102
 103     if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
 104                        define,
 105                        execute=True,
 106                        msg='Checking for large file support without additional flags'):
 107         return True
 108
 109     if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
 110                        define,
 111                        execute=True,
 112                        cflags='-D_FILE_OFFSET_BITS=64',
 113                        msg='Checking for -D_FILE_OFFSET_BITS=64'):
 114         conf.DEFINE('_FILE_OFFSET_BITS', 64)
 115         return True
 116
 117     if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
 118                        define,
 119                        execute=True,
 120                        cflags='-D_LARGE_FILES',
 121                        msg='Checking for -D_LARGE_FILES'):
 122         conf.DEFINE('_LARGE_FILES', 1)
 123         return True
 124     return False
 125
 126
 127 @conf
 128 def CHECK_C_PROTOTYPE(conf, function, prototype, define, headers=None, msg=None):
 129     '''verify that a C prototype matches the one on the current system'''
 130     if not conf.CHECK_DECLS(function, headers=headers):
 131         return False
 132     if not msg:
 133         msg = 'Checking C prototype for %s' % function
 134     return conf.CHECK_CODE('%s; void *_x = (void *)%s' % (prototype, function),
 135                            define=define,
 136                            local_include=False,
 137                            headers=headers,
 138                            link=False,
 139                            execute=False,
 140                            msg=msg)
 141
 142
 143 @conf
 144 def CHECK_CHARSET_EXISTS(conf, charset, outcharset='UCS-2LE', headers=None, define=None):
 145     '''check that a named charset is able to be used with iconv_open() for conversion
 146     to a target charset
 147     '''
 148     msg = 'Checking if can we convert from %s to %s' % (charset, outcharset)
 149     if define is None:
 150         define = 'HAVE_CHARSET_%s' % charset.upper().replace('-','_')
 151     return conf.CHECK_CODE('''
 152                            iconv_t cd = iconv_open("%s", "%s");
 153                            if (cd == 0 || cd == (iconv_t)-1) return -1;
 154                            ''' % (charset, outcharset),
 155                            define=define,
 156                            execute=True,
 157                            msg=msg,
 158                            lib='iconv',
 159                            headers=headers)
 160
 161 def find_config_dir(conf):
 162     '''find a directory to run tests in'''
 163     k = 0
 164     while k < 10000:
 165         dir = os.path.join(conf.blddir, '.conf_check_%d' % k)
 166         try:
 167             shutil.rmtree(dir)
 168         except OSError:
 169             pass
 170         try:
 171             os.stat(dir)
 172         except:
 173             break
 174         k += 1
 175
 176     try:
 177         os.makedirs(dir)
 178     except:
 179         conf.fatal('cannot create a configuration test folder %r' % dir)
 180
 181     try:
 182         os.stat(dir)
 183     except:
 184         conf.fatal('cannot use the configuration test folder %r' % dir)
 185     return dir
 186
 187 @conf
 188 def CHECK_SHLIB_INTRASINC_NAME_FLAGS(conf, msg):
 189     '''
 190         check if the waf default flags for setting the name of lib
 191         are ok
 192     '''
 193
 194     snip = '''
 195 int foo(int v) {
 196     return v * 2;
 197 }
 198 '''
 199     return conf.check(features='cc cshlib',vnum="1",fragment=snip,msg=msg)
 200
 201 @conf
 202 def CHECK_NEED_LC(conf, msg):
 203     '''check if we need -lc'''
 204
 205     dir = find_config_dir(conf)
 206
 207     env = conf.env
 208
 209     bdir = os.path.join(dir, 'testbuild2')
 210     if not os.path.exists(bdir):
 211         os.makedirs(bdir)
 212
 213
 214     subdir = os.path.join(dir, "liblctest")
 215
 216     os.makedirs(subdir)
 217
 218     dest = open(os.path.join(subdir, 'liblc1.c'), 'w')
 219     dest.write('#include <stdio.h>\nint lib_func(void) { FILE *f = fopen("foo", "r");}\n')
 220     dest.close()
 221
 222     bld = Build.BuildContext()
 223     bld.log = conf.log
 224     bld.all_envs.update(conf.all_envs)
 225     bld.all_envs['default'] = env
 226     bld.lst_variants = bld.all_envs.keys()
 227     bld.load_dirs(dir, bdir)
 228
 229     bld.rescan(bld.srcnode)
 230
 231     bld(features='cc cshlib',
 232         source='liblctest/liblc1.c',
 233         ldflags=conf.env['EXTRA_LDFLAGS'],
 234         target='liblc',
 235         name='liblc')
 236
 237     try:
 238         bld.compile()
 239         conf.check_message(msg, '', True)
 240         return True
 241     except:
 242         conf.check_message(msg, '', False)
 243         return False
 244
 245
 246 @conf
 247 def CHECK_SHLIB_W_PYTHON(conf, msg):
 248     '''check if we need -undefined dynamic_lookup'''
 249
 250     dir = find_config_dir(conf)
 251
 252     env = conf.env
 253
 254     snip = '''
 255 #include <Python.h>
 256 #include <crt_externs.h>
 257 #define environ (*_NSGetEnviron())
 258
 259 static PyObject *ldb_module = NULL;
 260 int foo(int v) {
 261     extern char **environ;
 262     environ[0] = 1;
 263     ldb_module = PyImport_ImportModule("ldb");
 264     return v * 2;
 265 }'''
 266     return conf.check(features='cc cshlib',uselib='PYEMBED',fragment=snip,msg=msg)
 267
 268 # this one is quite complex, and should probably be broken up
 269 # into several parts. I'd quite like to create a set of CHECK_COMPOUND()
 270 # functions that make writing complex compound tests like this much easier
 271 @conf
 272 def CHECK_LIBRARY_SUPPORT(conf, rpath=False, version_script=False, msg=None):
 273     '''see if the platform supports building libraries'''
 274
 275     if msg is None:
 276         if rpath:
 277             msg = "rpath library support"
 278         else:
 279             msg = "building library support"
 280
 281     dir = find_config_dir(conf)
 282
 283     bdir = os.path.join(dir, 'testbuild')
 284     if not os.path.exists(bdir):
 285         os.makedirs(bdir)
 286
 287     env = conf.env
 288
 289     subdir = os.path.join(dir, "libdir")
 290
 291     os.makedirs(subdir)
 292
 293     dest = open(os.path.join(subdir, 'lib1.c'), 'w')
 294     dest.write('int lib_func(void) { return 42; }\n')
 295     dest.close()
 296
 297     dest = open(os.path.join(dir, 'main.c'), 'w')
 298     dest.write('int main(void) {return !(lib_func() == 42);}\n')
 299     dest.close()
 300
 301     bld = Build.BuildContext()
 302     bld.log = conf.log
 303     bld.all_envs.update(conf.all_envs)
 304     bld.all_envs['default'] = env
 305     bld.lst_variants = bld.all_envs.keys()
 306     bld.load_dirs(dir, bdir)
 307
 308     bld.rescan(bld.srcnode)
 309
 310     ldflags = []
 311     if version_script:
 312         ldflags.append("-Wl,--version-script=%s/vscript" % bld.path.abspath())
 313         dest = open(os.path.join(dir,'vscript'), 'w')
 314         dest.write('TEST_1.0A2 { global: *; };\n')
 315         dest.close()
 316
 317     bld(features='cc cshlib',
 318         source='libdir/lib1.c',
 319         target='libdir/lib1',
 320         ldflags=ldflags,
 321         name='lib1')
 322
 323     o = bld(features='cc cprogram',
 324             source='main.c',
 325             target='prog1',
 326             uselib_local='lib1')
 327
 328     if rpath:
 329         o.rpath=os.path.join(bdir, 'default/libdir')
 330
 331     # compile the program
 332     try:
 333         bld.compile()
 334     except:
 335         conf.check_message(msg, '', False)
 336         return False
 337
 338     # path for execution
 339     lastprog = o.link_task.outputs[0].abspath(env)
 340
 341     if not rpath:
 342         if 'LD_LIBRARY_PATH' in os.environ:
 343             old_ld_library_path = os.environ['LD_LIBRARY_PATH']
 344         else:
 345             old_ld_library_path = None
 346         ADD_LD_LIBRARY_PATH(os.path.join(bdir, 'default/libdir'))
 347
 348     # we need to run the program, try to get its result
 349     args = conf.SAMBA_CROSS_ARGS(msg=msg)
 350     proc = Utils.pproc.Popen([lastprog] + args, stdout=Utils.pproc.PIPE, stderr=Utils.pproc.PIPE)
 351     (out, err) = proc.communicate()
 352     w = conf.log.write
 353     w(str(out))
 354     w('\n')
 355     w(str(err))
 356     w('\nreturncode %r\n' % proc.returncode)
 357     ret = (proc.returncode == 0)
 358
 359     if not rpath:
 360         os.environ['LD_LIBRARY_PATH'] = old_ld_library_path or ''
 361
 362     conf.check_message(msg, '', ret)
 363     return ret
 364
 365
 366
 367 @conf
 368 def CHECK_PERL_MANPAGE(conf, msg=None, section=None):
 369     '''work out what extension perl uses for manpages'''
 370
 371     if msg is None:
 372         if section:
 373             msg = "perl man%s extension" % section
 374         else:
 375             msg = "perl manpage generation"
 376
 377     conf.check_message_1(msg)
 378
 379     dir = find_config_dir(conf)
 380
 381     bdir = os.path.join(dir, 'testbuild')
 382     if not os.path.exists(bdir):
 383         os.makedirs(bdir)
 384
 385     dest = open(os.path.join(bdir, 'Makefile.PL'), 'w')
 386     dest.write("""
 387 use ExtUtils::MakeMaker;
 388 WriteMakefile(
 389     'NAME'    => 'WafTest',
 390     'EXE_FILES' => [ 'WafTest' ]
 391 );
 392 """)
 393     dest.close()
 394     back = os.path.abspath('.')
 395     os.chdir(bdir)
 396     proc = Utils.pproc.Popen(['perl', 'Makefile.PL'],
 397                              stdout=Utils.pproc.PIPE,
 398                              stderr=Utils.pproc.PIPE)
 399     (out, err) = proc.communicate()
 400     os.chdir(back)
 401
 402     ret = (proc.returncode == 0)
 403     if not ret:
 404         conf.check_message_2('not found', color='YELLOW')
 405         return
 406
 407     if section:
 408         f = open(os.path.join(bdir,'Makefile'), 'r')
 409         man = f.read()
 410         f.close()
 411         m = re.search('MAN%sEXT\s+=\s+(\w+)' % section, man)
 412         if not m:
 413             conf.check_message_2('not found', color='YELLOW')
 414             return
 415         ext = m.group(1)
 416         conf.check_message_2(ext)
 417         return ext
 418
 419     conf.check_message_2('ok')
 420     return True
 421
 422
 423 @conf
 424 def CHECK_COMMAND(conf, cmd, msg=None, define=None, on_target=True, boolean=False):
 425     '''run a command and return result'''
 426     if msg is None:
 427         msg = 'Checking %s' % ' '.join(cmd)
 428     conf.COMPOUND_START(msg)
 429     cmd = cmd[:]
 430     if on_target:
 431         cmd.extend(conf.SAMBA_CROSS_ARGS(msg=msg))
 432     try:
 433         ret = Utils.cmd_output(cmd)
 434     except:
 435         conf.COMPOUND_END(False)
 436         return False
 437     if boolean:
 438         conf.COMPOUND_END('ok')
 439         if define:
 440             conf.DEFINE(define, '1')
 441     else:
 442         ret = ret.strip()
 443         conf.COMPOUND_END(ret)
 444         if define:
 445             conf.DEFINE(define, ret, quote=True)
 446     return ret
 447
 448
 449 @conf
 450 def CHECK_UNAME(conf):
 451     '''setup SYSTEM_UNAME_* defines'''
 452     ret = True
 453     for v in "sysname machine release version".split():
 454         if not conf.CHECK_CODE('''
 455                                struct utsname n;
 456                                if (uname(&n) == -1) return -1;
 457                                printf("%%s", n.%s);
 458                                ''' % v,
 459                                define='SYSTEM_UNAME_%s' % v.upper(),
 460                                execute=True,
 461                                define_ret=True,
 462                                quote=True,
 463                                headers='sys/utsname.h',
 464                                local_include=False,
 465                                msg="Checking uname %s type" % v):
 466             ret = False
 467     return ret
 468
 469 @conf
 470 def CHECK_INLINE(conf):
 471     '''check for the right value for inline'''
 472     conf.COMPOUND_START('Checking for inline')
 473     for i in ['inline', '__inline__', '__inline']:
 474         ret = conf.CHECK_CODE('''
 475         typedef int foo_t;
 476         static %s foo_t static_foo () {return 0; }
 477         %s foo_t foo () {return 0; }''' % (i, i),
 478                               define='INLINE_MACRO',
 479                               addmain=False,
 480                               link=False)
 481         if ret:
 482             if i != 'inline':
 483                 conf.DEFINE('inline', i, quote=False)
 484             break
 485     if not ret:
 486         conf.COMPOUND_END(ret)
 487     else:
 488         conf.COMPOUND_END(i)
 489     return ret
 490
 491 @conf
 492 def CHECK_XSLTPROC_MANPAGES(conf):
 493     '''check if xsltproc can run with the given stylesheets'''
 494
 495
 496     if not conf.CONFIG_SET('XSLTPROC'):
 497         conf.find_program('xsltproc', var='XSLTPROC')
 498     if not conf.CONFIG_SET('XSLTPROC'):
 499         return False
 500
 501     s='http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl'
 502     conf.CHECK_COMMAND('%s --nonet %s 2> /dev/null' % (conf.env.XSLTPROC, s),
 503                              msg='Checking for stylesheet %s' % s,
 504                              define='XSLTPROC_MANPAGES', on_target=False,
 505                              boolean=True)
 506     if not conf.CONFIG_SET('XSLTPROC_MANPAGES'):
 507         print "A local copy of the docbook.xsl wasn't found on your system" \
 508               " consider installing package like docbook-xsl"