mapnik/m4/intmax.m4
2005-02-18 18:14:43 +00:00

32 lines
1.1 KiB
Text

# intmax.m4 serial 1 (gettext-0.12)
dnl Copyright (C) 2002-2003 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.
dnl From Bruno Haible.
dnl Test whether the system has the 'intmax_t' type, but don't attempt to
dnl find a replacement if it is lacking.
AC_DEFUN([gt_TYPE_INTMAX_T],
[
AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
AC_REQUIRE([jm_AC_HEADER_STDINT_H])
AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
[AC_TRY_COMPILE([
#include <stddef.h>
#include <stdlib.h>
#if HAVE_STDINT_H_WITH_UINTMAX
#include <stdint.h>
#endif
#if HAVE_INTTYPES_H_WITH_UINTMAX
#include <inttypes.h>
#endif
], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)])
if test $gt_cv_c_intmax_t = yes; then
AC_DEFINE(HAVE_INTMAX_T, 1,
[Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
fi
])