-#serial 1
+# ssize_t.m4 serial 3 (gettext-0.13)
+dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
-dnl From Jim Meyering
+dnl From Bruno Haible.
+dnl Test whether ssize_t is defined.
-# If ssize_t is not defined in sys/types.h, define it to `int'.
-
-AC_DEFUN(jm_TYPE_SSIZE_T,
- [AC_CACHE_CHECK(for ssize_t in sys/types.h, jm_ac_cv_type_ssize_t,
- [
- AC_EGREP_HEADER(ssize_t, sys/types.h,
- jm_ac_cv_type_ssize_t=yes,
- jm_ac_cv_type_ssize_t=no)
- if test $jm_ac_cv_type_ssize_t = no; then
- AC_DEFINE(ssize_t, int)
- fi
- ]
- )
- ]
-)
+AC_DEFUN([gt_TYPE_SSIZE_T],
+[
+ AC_CACHE_CHECK([for ssize_t], gt_cv_ssize_t,
+ [AC_TRY_COMPILE([#include <sys/types.h>],
+ [int x = sizeof (ssize_t *) + sizeof (ssize_t);],
+ gt_cv_ssize_t=yes, gt_cv_ssize_t=no)])
+ if test $gt_cv_ssize_t = no; then
+ AC_DEFINE(ssize_t, int,
+ [Define as a signed type of the same size as size_t.])
+ fi
+])