Commit | Line | Data |
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8839a007 | 1 | # ssize_t.m4 serial 5 (gettext-0.18.2) |
7a6dbc2f | 2 | dnl Copyright (C) 2001-2003, 2006, 2010-2018 Free Software Foundation, Inc. |
8839a007 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 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_COMPILE_IFELSE( | |
14 | [AC_LANG_PROGRAM( | |
15 | [[#include <sys/types.h>]], | |
16 | [[int x = sizeof (ssize_t *) + sizeof (ssize_t); | |
17 | return !x;]])], | |
18 | [gt_cv_ssize_t=yes], [gt_cv_ssize_t=no])]) | |
19 | if test $gt_cv_ssize_t = no; then | |
20 | AC_DEFINE([ssize_t], [int], | |
21 | [Define as a signed type of the same size as size_t.]) | |
22 | fi | |
23 | ]) |