| 1 | # wint_t.m4 serial 5 (gettext-0.18.2) |
| 2 | dnl Copyright (C) 2003, 2007-2013 Free Software Foundation, Inc. |
| 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 <wchar.h> has the 'wint_t' type. |
| 9 | dnl Prerequisite: AC_PROG_CC |
| 10 | |
| 11 | AC_DEFUN([gt_TYPE_WINT_T], |
| 12 | [ |
| 13 | AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t], |
| 14 | [AC_COMPILE_IFELSE( |
| 15 | [AC_LANG_PROGRAM( |
| 16 | [[ |
| 17 | /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before |
| 18 | <wchar.h>. |
| 19 | BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included |
| 20 | before <wchar.h>. */ |
| 21 | #include <stddef.h> |
| 22 | #include <stdio.h> |
| 23 | #include <time.h> |
| 24 | #include <wchar.h> |
| 25 | wint_t foo = (wchar_t)'\0';]], |
| 26 | [[]])], |
| 27 | [gt_cv_c_wint_t=yes], |
| 28 | [gt_cv_c_wint_t=no])]) |
| 29 | if test $gt_cv_c_wint_t = yes; then |
| 30 | AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.]) |
| 31 | fi |
| 32 | ]) |