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 #HP-UX can use libiconv as an add-on package, which has #define iconv_open libiconv_open
  14 if (conf.CHECK_FUNCS_IN('iconv_open', 'iconv', checklibc=False, headers='iconv.h') or
  15     conf.CHECK_FUNCS_IN('libiconv_open', 'iconv', checklibc=False, headers='iconv.h') or
  16     conf.CHECK_FUNCS('iconv_open', headers='iconv.h')):
  17
  18     if conf.env['HAVE_LIBICONV']:
  19         if conf.CHECK_FUNCS('mbrtowc', headers='wchar.h'):
  20             conf.DEFINE('HAVE_NATIVE_ICONV', 1)
  21         elif conf.env.LIB_ICONV:
  22             del conf.env['LIB_ICONV']
  23     else:
  24         conf.DEFINE('HAVE_NATIVE_ICONV', 1)