# ssize_t.m4 serial 5 (gettext-0.18.2)

dnl Copyright (C) 2001-2003, 2006, 2010-2020 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

])