1 # ssize_t.m4 serial 5 (gettext-0.18.2)
2 dnl Copyright (C) 2001-2003, 2006, 2010-2015 Free Software Foundation,
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
9 dnl Test whether ssize_t is defined.
11 AC_DEFUN([gt_TYPE_SSIZE_T],
13 AC_CACHE_CHECK([for ssize_t], [gt_cv_ssize_t],
16 [[#include <sys/types.h>]],
17 [[int x = sizeof (ssize_t *) + sizeof (ssize_t);
19 [gt_cv_ssize_t=yes], [gt_cv_ssize_t=no])])
20 if test $gt_cv_ssize_t = no; then
21 AC_DEFINE([ssize_t], [int],
22 [Define as a signed type of the same size as size_t.])