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Annotation of embedaddon/libiconv/srcm4/wchar_t.m4, revision 1.1.1.3

1.1.1.2   misho       1: # wchar_t.m4 serial 4 (gettext-0.18.2)
1.1.1.3 ! misho       2: dnl Copyright (C) 2002-2003, 2008-2019 Free Software Foundation, Inc.
1.1       misho       3: dnl This file is free software; the Free Software Foundation
                      4: dnl gives unlimited permission to copy and/or distribute it,
                      5: dnl with or without modifications, as long as this notice is preserved.
                      6: 
                      7: dnl From Bruno Haible.
                      8: dnl Test whether <stddef.h> has the 'wchar_t' type.
                      9: dnl Prerequisite: AC_PROG_CC
                     10: 
                     11: AC_DEFUN([gt_TYPE_WCHAR_T],
                     12: [
                     13:   AC_CACHE_CHECK([for wchar_t], [gt_cv_c_wchar_t],
1.1.1.2   misho      14:     [AC_COMPILE_IFELSE(
                     15:        [AC_LANG_PROGRAM(
                     16:           [[#include <stddef.h>
                     17:             wchar_t foo = (wchar_t)'\0';]],
                     18:           [[]])],
                     19:        [gt_cv_c_wchar_t=yes],
                     20:        [gt_cv_c_wchar_t=no])])
1.1       misho      21:   if test $gt_cv_c_wchar_t = yes; then
                     22:     AC_DEFINE([HAVE_WCHAR_T], [1], [Define if you have the 'wchar_t' type.])
                     23:   fi
                     24: ])