1# ssize_t.m4 serial 5 (gettext-0.18.2)
2dnl Copyright (C) 2001-2003, 2006, 2010-2020 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl From Bruno Haible.
8dnl Test whether ssize_t is defined.
9
10AC_DEFUN([gt_TYPE_SSIZE_T],
11[
12  AC_CACHE_CHECK([for ssize_t], [gt_cv_ssize_t],
13    [AC_COMPILE_IFELSE(
14       [AC_LANG_PROGRAM(
15          [[#include <sys/types.h>]],
16          [[int x = sizeof (ssize_t *) + sizeof (ssize_t);
17            return !x;]])],
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.])
22  fi
23])
24