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