-#serial 1
+# ssize_t.m4 serial 5 (gettext-0.18.2)
+dnl Copyright (C) 2001-2003, 2006, 2010-2011 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
-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_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <sys/types.h>]],
+ [[int x = sizeof (ssize_t *) + sizeof (ssize_t);
+ return !x;]])],
+ [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
+])