| # ssize_t.m4 serial 5 (gettext-0.18.2) |
| dnl Copyright (C) 2001-2003, 2006, 2010-2012 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 Bruno Haible. |
| dnl Test whether ssize_t is defined. |
| |
| 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 |
| ]) |
