libvirt/config.h

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/*
* This library 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.
*
* This library 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/>.
*/
#pragma once
#include <meson-config.h>
/* Enable compile-time and run-time bounds-checking, and some warnings,
* without upsetting newer glibc. */
#if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
# define _FORTIFY_SOURCE 2
#endif
/*
* Define __GNUC_PREREQ to a sane default if it isn't yet defined.
* This is done here so that it's included as early as possible;
*/
#ifndef __GNUC_PREREQ
# define __GNUC_PREREQ(maj, min) \
((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
#endif
#if defined(__clang_major__) && defined(__clang_minor__)
# ifdef __apple_build_version__
# if __clang_major__ < 5 || (__clang_major__ == 5 && __clang_minor__ < 1)
# error You need at least XCode Clang v5.1 to compile libvirt
# endif
# else
# if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
# error You need at least Clang v3.4 to compile libvirt
# endif
# endif
#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
# error You need at least GCC v4.8 to compile libvirt
# endif
#else
# error You either need at least GCC 4.8 or Clang 3.4 or XCode Clang 5.1 to compile libvirt
#endif