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, Build, shutil, Utils, re
   5 from Configure import conf
   6 from samba_utils import *
   7
   8 @conf
   9 def CHECK_ICONV(conf, define='HAVE_NATIVE_ICONV'):
  10     '''check if the iconv library is installed
  11        optionally pass a define'''
  12     if conf.CHECK_FUNCS_IN('iconv_open', 'iconv', checklibc=True, headers='iconv.h'):
  13         conf.DEFINE(define, 1)
  14         return True
  15     return False
  16
  17
  18 @conf
  19 def CHECK_LARGEFILE(conf, define='HAVE_LARGEFILE'):
  20     '''see what we need for largefile support'''
  21     if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
  22                        define,
  23                        execute=True,
  24                        msg='Checking for large file support'):
  25         return True
  26     if conf.CHECK_CODE('return !(sizeof(off_t) >= 8)',
  27                        define,
  28                        execute=True,
  29                        cflags='-D_FILE_OFFSET_BITS=64',
  30                        msg='Checking for -D_FILE_OFFSET_BITS=64'):
  31         conf.DEFINE('_FILE_OFFSET_BITS', 64)
  32         return True
  33     return False
  34
  35
  36 @conf
  37 def CHECK_C_PROTOTYPE(conf, function, prototype, define, headers=None, msg=None):
  38     '''verify that a C prototype matches the one on the current system'''
  39     if not conf.CHECK_DECLS(function, headers=headers):
  40         return False
  41     if not msg:
  42         msg = 'Checking C prototype for %s' % function
  43     return conf.CHECK_CODE('%s; void *_x = (void *)%s' % (prototype, function),
  44                            define=define,
  45                            local_include=False,
  46                            headers=headers,
  47                            link=False,
  48                            execute=False,
  49                            msg=msg)
  50
  51
  52 @conf
  53 def CHECK_CHARSET_EXISTS(conf, charset, outcharset='UCS-2LE', headers=None, define=None):
  54     '''check that a named charset is able to be used with iconv_open() for conversion
  55     to a target charset
  56     '''
  57     msg = 'Checking if can we convert from %s to %s' % (charset, outcharset)
  58     if define is None:
  59         define = 'HAVE_CHARSET_%s' % charset.upper().replace('-','_')
  60     return conf.CHECK_CODE('''
  61                            iconv_t cd = iconv_open("%s", "%s");
  62                            if (cd == 0 || cd == (iconv_t)-1) return -1;
  63                            ''' % (charset, outcharset),
  64                            define=define,
  65                            execute=True,
  66                            msg=msg,
  67                            lib='iconv',
  68                            headers=headers)
  69
  70 def find_config_dir(conf):
  71     '''find a directory to run tests in'''
  72     k = 0
  73     while k < 10000:
  74         dir = os.path.join(conf.blddir, '.conf_check_%d' % k)
  75         try:
  76             shutil.rmtree(dir)
  77         except OSError:
  78             pass
  79         try:
  80             os.stat(dir)
  81         except:
  82             break
  83         k += 1
  84
  85     try:
  86         os.makedirs(dir)
  87     except:
  88         conf.fatal('cannot create a configuration test folder %r' % dir)
  89
  90     try:
  91         os.stat(dir)
  92     except:
  93         conf.fatal('cannot use the configuration test folder %r' % dir)
  94     return dir
  95
  96
  97 # this one is quite complex, and should probably be broken up
  98 # into several parts. I'd quite like to create a set of CHECK_COMPOUND()
  99 # functions that make writing complex compound tests like this much easier
 100 @conf
 101 def CHECK_LIBRARY_SUPPORT(conf, rpath=False, msg=None):
 102     '''see if the platform supports building libraries'''
 103
 104     if msg is None:
 105         if rpath:
 106             msg = "rpath library support"
 107         else:
 108             msg = "building library support"
 109
 110     dir = find_config_dir(conf)
 111
 112     bdir = os.path.join(dir, 'testbuild')
 113     if not os.path.exists(bdir):
 114         os.makedirs(bdir)
 115
 116     env = conf.env
 117
 118     subdir = os.path.join(dir, "libdir")
 119
 120     os.makedirs(subdir)
 121
 122     dest = open(os.path.join(subdir, 'lib1.c'), 'w')
 123     dest.write('int lib_func(void) { return 42; }\n')
 124     dest.close()
 125
 126     dest = open(os.path.join(dir, 'main.c'), 'w')
 127     dest.write('int main(void) {return !(lib_func() == 42);}\n')
 128     dest.close()
 129
 130     bld = Build.BuildContext()
 131     bld.log = conf.log
 132     bld.all_envs.update(conf.all_envs)
 133     bld.all_envs['default'] = env
 134     bld.lst_variants = bld.all_envs.keys()
 135     bld.load_dirs(dir, bdir)
 136
 137     bld.rescan(bld.srcnode)
 138
 139     bld(features='cc cshlib',
 140         source='libdir/lib1.c',
 141         target='libdir/lib1',
 142         name='lib1')
 143
 144     o = bld(features='cc cprogram',
 145             source='main.c',
 146             target='prog1',
 147             uselib_local='lib1')
 148
 149     if rpath:
 150         o.rpath=os.path.join(bdir, 'default/libdir')
 151
 152     # compile the program
 153     try:
 154         bld.compile()
 155     except:
 156         conf.check_message(msg, '', False)
 157         return False
 158
 159     # path for execution
 160     lastprog = o.link_task.outputs[0].abspath(env)
 161
 162     if not rpath:
 163         if 'LD_LIBRARY_PATH' in os.environ:
 164             old_ld_library_path = os.environ['LD_LIBRARY_PATH']
 165         else:
 166             old_ld_library_path = None
 167         ADD_LD_LIBRARY_PATH(os.path.join(bdir, 'default/libdir'))
 168
 169     # we need to run the program, try to get its result
 170     args = conf.SAMBA_CROSS_ARGS(msg=msg)
 171     proc = Utils.pproc.Popen([lastprog] + args, stdout=Utils.pproc.PIPE, stderr=Utils.pproc.PIPE)
 172     (out, err) = proc.communicate()
 173     w = conf.log.write
 174     w(str(out))
 175     w('\n')
 176     w(str(err))
 177     w('\nreturncode %r\n' % proc.returncode)
 178     ret = (proc.returncode == 0)
 179
 180     if not rpath:
 181         os.environ['LD_LIBRARY_PATH'] = old_ld_library_path or ''
 182
 183     conf.check_message(msg, '', ret)
 184     return ret
 185
 186
 187
 188 @conf
 189 def CHECK_PERL_MANPAGE(conf, msg=None, section=None):
 190     '''work out what extension perl uses for manpages'''
 191
 192     if msg is None:
 193         if section:
 194             msg = "perl man%s extension" % section
 195         else:
 196             msg = "perl manpage generation"
 197
 198     conf.check_message_1(msg)
 199
 200     dir = find_config_dir(conf)
 201
 202     bdir = os.path.join(dir, 'testbuild')
 203     if not os.path.exists(bdir):
 204         os.makedirs(bdir)
 205
 206     dest = open(os.path.join(bdir, 'Makefile.PL'), 'w')
 207     dest.write("""
 208 use ExtUtils::MakeMaker;
 209 WriteMakefile(
 210     'NAME'      => 'WafTest',
 211     'EXE_FILES' => [ 'WafTest' ]
 212 );
 213 """)
 214     dest.close()
 215     back = os.path.abspath('.')
 216     os.chdir(bdir)
 217     proc = Utils.pproc.Popen(['perl', 'Makefile.PL'],
 218                              stdout=Utils.pproc.PIPE,
 219                              stderr=Utils.pproc.PIPE)
 220     (out, err) = proc.communicate()
 221     os.chdir(back)
 222
 223     ret = (proc.returncode == 0)
 224     if not ret:
 225         conf.check_message_2('not found', color='YELLOW')
 226         return
 227
 228     if section:
 229         f = open(os.path.join(bdir,'Makefile'), 'r')
 230         man = f.read()
 231         f.close()
 232         m = re.search('MAN%sEXT\s+=\s+(\w+)' % section, man)
 233         if not m:
 234             conf.check_message_2('not found', color='YELLOW')
 235             return
 236         ext = m.group(1)
 237         conf.check_message_2(ext)
 238         return ext
 239
 240     conf.check_message_2('ok')
 241     return True
 242
 243
 244 @conf
 245 def CHECK_COMMAND(conf, cmd, msg=None, define=None, on_target=True, boolean=False):
 246     '''run a command and return result'''
 247     if msg is None:
 248         msg = 'Checking %s' % ' '.join(cmd)
 249     conf.COMPOUND_START(msg)
 250     cmd = cmd[:]
 251     if on_target:
 252         cmd.extend(conf.SAMBA_CROSS_ARGS(msg=msg))
 253     try:
 254         ret = Utils.cmd_output(cmd)
 255     except:
 256         conf.COMPOUND_END(False)
 257         return False
 258     if boolean:
 259         conf.COMPOUND_END('ok')
 260         if define:
 261             conf.DEFINE(define, '1')
 262     else:
 263         ret = ret.strip()
 264         conf.COMPOUND_END(ret)
 265         if define:
 266             conf.DEFINE(define, ret, quote=True)
 267     return ret
 268
 269
 270 @conf
 271 def CHECK_UNAME(conf):
 272     '''setup SYSTEM_UNAME_* defines'''
 273     ret = True
 274     for v in "sysname machine release version".split():
 275         if not conf.CHECK_CODE('''
 276                                struct utsname n;
 277                                if (uname(&n) == -1) return -1;
 278                                printf("%%s", n.%s);
 279                                ''' % v,
 280                                define='SYSTEM_UNAME_%s' % v.upper(),
 281                                execute=True,
 282                                define_ret=True,
 283                                quote=True,
 284                                headers='sys/utsname.h',
 285                                local_include=False,
 286                                msg="Checking uname %s type" % v):
 287             ret = False
 288     return ret
 289
 290 @conf
 291 def CHECK_INLINE(conf):
 292     '''check for the right value for inline'''
 293     conf.COMPOUND_START('Checking for inline')
 294     for i in ['inline', '__inline__', '__inline']:
 295         ret = conf.CHECK_CODE('''
 296         typedef int foo_t;
 297         static %s foo_t static_foo () {return 0; }
 298         %s foo_t foo () {return 0; }''' % (i, i),
 299                               define='INLINE_MACRO',
 300                               addmain=False,
 301                               link=False)
 302         if ret:
 303             if i != 'inline':
 304                 conf.DEFINE('inline', i, quote=False)
 305             break
 306     if not ret:
 307         conf.COMPOUND_END(ret)
 308     else:
 309         conf.COMPOUND_END(i)
 310     return ret
 311
 312 @conf
 313 def CHECK_XSLTPROC_MANPAGES(conf):
 314     '''check if xsltproc can run with the given stylesheets'''
 315
 316
 317     if not conf.CONFIG_SET('XSLTPROC'):
 318         conf.find_program('xsltproc', var='XSLTPROC')
 319     if not conf.CONFIG_SET('XSLTPROC'):
 320         return False
 321
 322     s='http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl'
 323     conf.CHECK_COMMAND('%s --nonet %s 2> /dev/null' % (conf.env.XSLTPROC, s),
 324                              msg='Checking for stylesheet %s' % s,
 325                              define='XSLTPROC_MANPAGES', on_target=False,
 326                              boolean=True)