## Copyright (c) 2009, 2011  Openismus GmbH  <http://www.openismus.com/>

##

## This file is part of glibmm.

##

## glibmm is free software: you can redistribute it and/or modify it

## under the terms of the GNU Lesser General Public License as published

## by the Free Software Foundation, either version 2.1 of the License,

## or (at your option) any later version.

##

## glibmm is distributed in the hope that it will be useful, but

## WITHOUT ANY WARRANTY; without even the implied warranty of

## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

## See the GNU Lesser General Public License for more details.

##

## You should have received a copy of the GNU Lesser General Public License

## along with this library.  If not, see <http://www.gnu.org/licenses/>.

#serial 20120912

## GLIBMM_C_STD_TIME_T_IS_NOT_INT32

##

## Test whether std::time_t and gint32 are typedefs of the same builting type.

## If they aren't then they can be used for method overload.  In that case

## GLIBMM_HAVE_C_STD_TIME_T_IS_NOT_INT32 is defined to 1.

##

AC_DEFUN([GLIBMM_C_STD_TIME_T_IS_NOT_INT32],

[

  AC_CACHE_CHECK(

    [whether std::time_t is not equivalent to gint32, meaning that it can be used for a method overload],

    [glibmm_cv_c_std_time_t_is_not_int32],

  [

    AC_COMPILE_IFELSE([AC_LANG_PROGRAM(

    [[

      #include <ctime>

    ]],[[

      typedef signed int gint32;

      class Test

      {

        void something(gint32 val)

        {}

        void something(std::time_t val)

        {}

      };

    ]])],

      [glibmm_cv_c_std_time_t_is_not_int32='yes'],

      [glibmm_cv_c_std_time_t_is_not_int32='no']

    )

  ])

  AS_VAR_IF([glibmm_cv_c_std_time_t_is_not_int32], ['yes'],

            [AC_DEFINE([GLIBMM_HAVE_C_STD_TIME_T_IS_NOT_INT32], [1],

                       [Defined when std::time_t is not equivalent to gint32, meaning that it can be used for a method overload])])[]dnl

])