lib/zlib/wscript

   1 #!/usr/bin/env python
   2
   3 def configure(conf):
   4     conf.CHECK_HEADERS('zlib.h')
   5     conf.CHECK_FUNCS_IN('zlibVersion', 'z')
   6
   7     conf.CHECK_CODE('''
   8                     #if (ZLIB_VERNUM >= 0x1230)
   9                     #else
  10                     #error "ZLIB_VERNUM < 0x1230"
  11                     #endif
  12                     z_stream *z;
  13                     inflateInit2(z, -15);
  14                     ''',
  15                     headers='zlib.h',
  16                     lib='z',
  17                     local_include=False,
  18                     msg='Checking for ZLIB_VERNUM >= 0x1230 and working link to zlib',
  19                     define='HAVE_ZLIB')
  20
  21     # If we don't do this then we will receive an error that lib 'z'
  22     # is already declared as a system lib (for the cases where zlibVersion
  23     # is defined
  24     if not conf.env['HAVE_ZLIB']:
  25                 conf.LOCAL_CACHE_SET('TARGET_TYPE', 'z', 'EMPTY')
  26
  27 def build(bld):
  28     if not bld.CONFIG_SET('HAVE_ZLIB'):
  29         bld.SAMBA_LIBRARY('z',
  30                           private_library=True,
  31                           deps='replace',
  32                           source='''adler32.c compress.c crc32.c gzio.c
  33                                     uncompr.c deflate.c trees.c zutil.c
  34                                     inflate.c infback.c inftrees.c inffast.c''')