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.
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],
13 [AC_TRY_COMPILE([#include <sys/types.h>],
14 [int x = sizeof (ssize_t *) + sizeof (ssize_t);
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.])