config.h

   1 /*
   2  * This library is free software; you can redistribute it and/or
   3  * modify it under the terms of the GNU Lesser General Public
   4  * License as published by the Free Software Foundation; either
   5  * version 2.1 of the License, or (at your option) any later version.
   6  *
   7  * This library is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  10  * Lesser General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU Lesser General Public
  13  * License along with this library.  If not, see
  14  * <http://www.gnu.org/licenses/>.
  15  */
  16
  17 #pragma once
  18
  19 #include <meson-config.h>
  20
  21 /* Enable compile-time and run-time bounds-checking, and some warnings,
  22  * without upsetting newer glibc. */
  23
  24 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
  25 # define _FORTIFY_SOURCE 2
  26 #endif
  27
  28 /*
  29  * Define __GNUC_PREREQ to a sane default if it isn't yet defined.
  30  * This is done here so that it's included as early as possible;
  31  */
  32 #ifndef __GNUC_PREREQ
  33 # define __GNUC_PREREQ(maj, min) \
  34     ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
  35 #endif
  36
  37 #if defined(__clang_major__) && defined(__clang_minor__)
  38 # ifdef __apple_build_version__
  39 #  if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
  40 #   error You need at least XCode Clang v10.0 to compile libvirt
  41 #  endif
  42 # else
  43 #  if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 4)
  44 #   error You need at least Clang v6.0 to compile libvirt
  45 #  endif
  46 # endif
  47 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
  48 # if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4)
  49 #  error You need at least GCC v7.4.0 to compile libvirt
  50 # endif
  51 #else
  52 # error You either need at least GCC 7.4.0 or Clang 6.0 or XCode Clang 10.0 to compile libvirt
  53 #endif