source3/build/charset.py

   1 # tests for charsets for Samba3
   2
   3 from waflib.Configure import conf
   4
   5
   6 @conf
   7 def CHECK_SAMBA3_CHARSET(conf, crossbuild=False):
   8     '''Check for default charsets for Samba3
   9     '''
  10     if conf.CHECK_ICONV(define='HAVE_NATIVE_ICONV'):
  11         default_dos_charset = False
  12         default_unix_charset = False
  13
  14         # check for default dos charset name
  15         for charset in ['CP850', 'IBM850']:
  16             if conf.CHECK_CHARSET_EXISTS(charset, headers='iconv.h'):
  17                 default_dos_charset = charset
  18                 break
  19
  20         # check for default unix charset name
  21         for charset in ['UTF-8', 'UTF8']:
  22             if conf.CHECK_CHARSET_EXISTS(charset, headers='iconv.h'):
  23                 default_unix_charset = charset
  24                 break
  25
  26         # At this point, we have a libiconv candidate. We know that
  27         # we have the right headers and libraries, but we don't know
  28         # whether it does the conversions we want. We can't test this
  29         # because we are cross-compiling. This is not necessarily a big
  30         # deal, since we can't guarantee that the results we get now will
  31         # match the results we get at runtime anyway.
  32         if crossbuild:
  33             default_dos_charset = "CP850"
  34             default_unix_charset = "UTF-8"
  35             # TODO: this used to warn about the set charset on cross builds
  36
  37         if default_dos_charset is False or default_unix_charset is False:
  38             # we found iconv, but it failed to convert anything (e.g. on AIX)
  39             conf.undefine('HAVE_NATIVE_ICONV')
  40             default_dos_charset = "ASCII"
  41             default_unix_charset = "UTF-8"
  42
  43         conf.DEFINE('DEFAULT_DOS_CHARSET', default_dos_charset, quote=True)
  44         conf.DEFINE('DEFAULT_UNIX_CHARSET', default_unix_charset, quote=True)
  45
  46     else:
  47         conf.DEFINE('DEFAULT_DOS_CHARSET', "ASCII", quote=True)
  48         conf.DEFINE('DEFAULT_UNIX_CHARSET', "UTF8", quote=True)