lib/util/charset/wscript_configure

   1 #!/usr/bin/env python
   2
   3 # rather strangely, we need to look for libiconv before checking libc
   4 # as the external libiconv can use a macro to override iconv_open to libiconv_open
   5 # and then we may find the wrong iconv.h later due to other packages looking
   6 # in /usr/local
   7 # We check for the lib iconv when building a shared lib has some compiler/linker
   8 # managed to link when specifying -liconv a executable even if there is no
   9 # libiconv.so or libiconv.a
  10
  11 conf.CHECK_LIB(libs="iconv", shlib=True)
  12
  13 if (conf.CHECK_FUNCS_IN('iconv_open', 'iconv', checklibc=False, headers='iconv.h') or
  14     conf.CHECK_FUNCS('iconv_open', headers='iconv.h')):
  15     if conf.env['HAVE_LIBICONV']:
  16         if conf.CHECK_FUNCS('mbrtowc', headers='wchar.h'):
  17             conf.DEFINE('HAVE_NATIVE_ICONV', 1)
  18         elif conf.env.LIB_ICONV:
  19             del conf.env['LIB_ICONV']
  20     else:
  21         conf.DEFINE('HAVE_NATIVE_ICONV', 1)