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5e8754f9 SDJ |
1 | # wint_t.m4 serial 5 (gettext-0.18.2) |
2 | dnl Copyright (C) 2003, 2007-2016 Free Software Foundation, Inc. | |
8690e634 JK |
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. | |
5e8754f9 | 8 | dnl Test whether <wchar.h> has the 'wint_t' type. |
8690e634 JK |
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 | ]) |