1 # ssize_t.m4 serial 5 (gettext-0.18.2)
2 dnl Copyright (C) 2001-2003, 2006, 2010-2017 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.
8 dnl Test whether ssize_t is defined.
10 AC_DEFUN([gt_TYPE_SSIZE_T],
12 AC_CACHE_CHECK([for ssize_t], [gt_cv_ssize_t],
15 [[#include <sys/types.h>]],
16 [[int x = sizeof (ssize_t *) + sizeof (ssize_t);
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.])