lib/util/wscript_configure

   1 #!/usr/bin/env python
   2
   3
   4 # backtrace could be in libexecinfo or in libc
   5 conf.CHECK_FUNCS_IN('backtrace', 'execinfo', checklibc=True, headers='execinfo.h')
   6
   7 conf.CHECK_FUNCS('sigprocmask sigblock sigaction')
   8
   9 conf.CHECK_FUNCS_IN('flistxattr', 'attr', checklibc=True, headers='sys/attributes.h attr/xattr.h sys/xattr.h')
  10
  11 conf.CHECK_STRUCTURE_MEMBER('struct statvfs', 'f_frsize', define='HAVE_FRSIZE', headers='sys/statvfs.h')
  12
  13 conf.CHECK_CODE('getxattr(NULL, NULL, NULL, 0, 0, 0)',
  14                 define='XATTR_ADDITIONAL_OPTIONS')
  15
  16 if conf.CONFIG_SET('HAVE_FLISTXATTR'):
  17     conf.DEFINE('HAVE_XATTR_SUPPORT', 1)
  18
  19
  20
  21
  22 # all the different ways of doing statfs
  23 statfs_types = [
  24     ( 'STAT_STATVFS64',
  25       'Linux statvfs64',
  26       'struct statvfs64 fsd; exit(statvfs64 (".", &fsd))',
  27       'sys/statvfs.h' ),
  28
  29     ( 'STAT_STATVFS',
  30       'statvfs (SVR4)',
  31       'struct statvfs fsd; exit(statvfs(0, &fsd))',
  32       'sys/statvfs.h' ),
  33
  34     ( 'STAT_STATFS3_OSF1',
  35       '3-argument statfs function (DEC OSF/1)',
  36       'struct statfs fsd; fsd.f_fsize = 0; exit(statfs(".", &fsd, sizeof(struct statfs)))'
  37       'sys/param.h sys/mount.h' ),
  38
  39     ( 'STAT_STATFS2_BSIZE',
  40       'two-argument statfs with statfs.bsize',
  41       'struct statfs fsd; fsd.f_bsize = 0; exit(statfs(".", &fsd))',
  42       'sys/param.h sys/mount.h  sys/vfs.h' ),
  43
  44     ( 'STAT_STATFS4',
  45       'four-argument statfs  (AIX-3.2.5, SVR3)',
  46       'struct statfs fsd; exit(statfs(".", &fsd, sizeof fsd, 0))',
  47       'sys/statfs.h' ),
  48
  49     ( 'STAT_STATFS2_FSIZE',
  50       'two-argument statfs with statfs.fsize',
  51       'struct statfs fsd; fsd.f_fsize = 0; exit(statfs(".", &fsd))'
  52       'sys/param.h sys/mount.h' ),
  53
  54     ( 'STAT_STATFS2_FS_DATA',
  55       'two-argument statfs with struct fs_data (Ultrix)',
  56       'struct fs_data fsd; exit(statfs(".", &fsd) != 1)',
  57       'sys/param.h sys/mount.h sys/fs_types.h' )
  58 ]
  59
  60 found_statfs=False
  61 for (define, msg, code, headers) in statfs_types:
  62     if conf.CHECK_CODE(code,
  63                        define=define,
  64                        headers=headers,
  65                        msg='Checking for %s' % msg,
  66                        local_include=False):
  67         found_statfs=True
  68         break
  69
  70 if not found_statfs:
  71     print("FATAL: Failed to find a statfs method")
  72     raise
  73
  74
  75 conf.CHECK_CODE('struct statvfs buf; buf.f_fsid = 0',
  76                 define='HAVE_FSID_INT',
  77                 msg='Checking if f_fsid is an integer',
  78                 execute=False,
  79                 local_include=False,
  80                 headers='sys/statvfs.h')
  81
  82 # fsusage.c assumes that statvfs has an f_frsize entry. Some weird
  83 # systems use f_bsize.
  84 conf.CHECK_CODE('struct statvfs buf; buf.f_frsize = 0',
  85                 define='HAVE_FRSIZE',
  86                 msg='Checking that statvfs.f_frsize works',
  87                 headers='sys/statvfs.h',
  88                 execute=False,
  89                 local_include=False)
  90
  91 # Some systems use f_flag in struct statvfs while others use f_flags
  92 conf.CHECK_CODE('struct statvfs buf; buf.f_flag = 0',
  93                 define='HAVE_STATVFS_F_FLAG',
  94                 msg='Checking whether statvfs.f_flag exists',
  95                 headers='sys/statvfs.h',
  96                 local_include=False,
  97                 execute=False)
  98
  99 conf.CHECK_CODE('struct statvfs buf; buf.f_flags = 0',
 100                 define='HAVE_STATVFS_F_FLAGS',
 101                 msg='Checking whether statvfs.f_flags exists',
 102                 headers='sys/statvfs.h',
 103                 local_include=False,
 104                 execute=False)