# timegm.m4 serial 1
dnl Copyright (C) 2003 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

AC_DEFUN([gl_FUNC_TIMEGM],
[
  AC_REPLACE_FUNCS(timegm)
  if test $ac_cv_func_timegm = no; then
    gl_PREREQ_TIMEGM
  fi
])

# Prerequisites of lib/timegm.c.
AC_DEFUN([gl_PREREQ_TIMEGM], [
  AC_CHECK_DECLS(gmtime_r,,,[
#ifdef HAVE_TIME_H
#include <time.h>
#endif
])
  AC_CHECK_FUNCS(gmtime_r)
])