Commit | Line | Data |
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770d76d7 | 1 | # wchar_t.m4 serial 4 (gettext-0.18.2) |
5e8754f9 | 2 | dnl Copyright (C) 2002-2003, 2008-2016 Free Software Foundation, Inc. |
f434ba03 PA |
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], | |
770d76d7 PA |
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])]) | |
f434ba03 PA |
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 | ]) |