lib/util/wscript_configure

   1 #!/usr/bin/env python
   2 import Options
   3
   4 if Options.options.disable_fault_handling:
   5     conf.DEFINE('HAVE_DISABLE_FAULT_HANDLING',1)
   6
   7 # backtrace could be in libexecinfo or in libc
   8 conf.CHECK_FUNCS_IN('backtrace backtrace_symbols', 'execinfo', checklibc=True, headers='execinfo.h')
   9
  10 conf.CHECK_FUNCS('sigprocmask sigblock sigaction')
  11
  12 conf.CHECK_STRUCTURE_MEMBER('struct statvfs', 'f_frsize', define='HAVE_FRSIZE', headers='sys/statvfs.h')
  13
  14 # all the different ways of doing statfs
  15 statfs_types = [
  16     ( 'STAT_STATVFS',
  17       'statvfs (SVR4)',
  18       'struct statvfs fsd; exit(statvfs(0, &fsd))',
  19       'sys/statvfs.h' ),
  20
  21     ( 'STAT_STATFS3_OSF1',
  22       '3-argument statfs function (DEC OSF/1)',
  23       'struct statfs fsd; fsd.f_fsize = 0; exit(statfs(".", &fsd, sizeof(struct statfs)))'
  24       'sys/param.h sys/mount.h' ),
  25
  26     ( 'STAT_STATFS2_BSIZE',
  27       'two-argument statfs with statfs.bsize',
  28       'struct statfs fsd; fsd.f_bsize = 0; exit(statfs(".", &fsd))',
  29       'sys/param.h sys/mount.h  sys/vfs.h' ),
  30
  31     ( 'STAT_STATFS4',
  32       'four-argument statfs  (AIX-3.2.5, SVR3)',
  33       'struct statfs fsd; exit(statfs(".", &fsd, sizeof fsd, 0))',
  34       'sys/statfs.h' ),
  35
  36     ( 'STAT_STATFS2_FSIZE',
  37       'two-argument statfs with statfs.fsize',
  38       'struct statfs fsd; fsd.f_fsize = 0; exit(statfs(".", &fsd))'
  39       'sys/param.h sys/mount.h' ),
  40
  41     ( 'STAT_STATFS2_FS_DATA',
  42       'two-argument statfs with struct fs_data (Ultrix)',
  43       'struct fs_data fsd; exit(statfs(".", &fsd) != 1)',
  44       'sys/param.h sys/mount.h sys/fs_types.h' )
  45 ]
  46
  47 found_statfs=False
  48 for (define, msg, code, headers) in statfs_types:
  49     if conf.CHECK_CODE(code,
  50                        define=define,
  51                        headers=headers,
  52                        msg='Checking for %s' % msg,
  53                        local_include=False):
  54         found_statfs=True
  55         break
  56
  57 if not found_statfs:
  58     print("FATAL: Failed to find a statfs method")
  59     raise
  60
  61 conf.CHECK_CODE("""struct statfs fsd;
  62                 fsd.f_bsize = 0;
  63                 fsd.f_iosize = 0;
  64                 return (statfs (".", &fsd));
  65                 """,
  66                 headers='sys/param.h sys/mount.h sys/vfs.h',
  67                 define='BSD_STYLE_STATVFS',
  68                 msg='Checking for *bsd style statfs with statfs.f_iosize',
  69                 execute=True,
  70                 local_include=False)
  71
  72 conf.CHECK_CODE('struct statvfs buf; buf.f_fsid = 0',
  73                 define='HAVE_FSID_INT',
  74                 msg='Checking if f_fsid is an integer',
  75                 execute=False,
  76                 local_include=False,
  77                 headers='sys/statvfs.h')
  78
  79 # fsusage.c assumes that statvfs has an f_frsize entry. Some weird
  80 # systems use f_bsize.
  81 conf.CHECK_CODE('struct statvfs buf; buf.f_frsize = 0',
  82                 define='HAVE_FRSIZE',
  83                 msg='Checking that statvfs.f_frsize works',
  84                 headers='sys/statvfs.h',
  85                 execute=False,
  86                 local_include=False)
  87
  88 # Some systems use f_flag in struct statvfs while others use f_flags
  89 conf.CHECK_CODE('struct statvfs buf; buf.f_flag = 0',
  90                 define='HAVE_STATVFS_F_FLAG',
  91                 msg='Checking whether statvfs.f_flag exists',
  92                 headers='sys/statvfs.h',
  93                 local_include=False,
  94                 execute=False)
  95
  96 conf.CHECK_CODE('struct statvfs buf; buf.f_flags = 0',
  97                 define='HAVE_STATVFS_F_FLAGS',
  98                 msg='Checking whether statvfs.f_flags exists',
  99                 headers='sys/statvfs.h',
 100                 local_include=False,
 101                 execute=False)