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14f02d0b LC |
1 | # ssize_t.m4 serial 4 (gettext-0.15) |
2 | dnl Copyright (C) 2001-2003, 2006 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 ssize_t is defined. | |
9 | ||
10 | AC_DEFUN([gt_TYPE_SSIZE_T], | |
11 | [ | |
12 | AC_CACHE_CHECK([for ssize_t], [gt_cv_ssize_t], | |
13 | [AC_TRY_COMPILE([#include <sys/types.h>], | |
14 | [int x = sizeof (ssize_t *) + sizeof (ssize_t); | |
15 | return !x;], | |
16 | [gt_cv_ssize_t=yes], [gt_cv_ssize_t=no])]) | |
17 | if test $gt_cv_ssize_t = no; then | |
18 | AC_DEFINE([ssize_t], [int], | |
19 | [Define as a signed type of the same size as size_t.]) | |
20 | fi | |
21 | ]) |