utils/compiler.h: Prefer `ifdef' rather than `if defined'.
[mLib] / utils / compiler.h
CommitLineData
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1/* -*-c-*-
2 *
3 * Macros for determining the compiler version
4 *
5 * (c) 2018 Straylight/Edgeware
6 */
7
8/*----- Licensing notice --------------------------------------------------*
9 *
10 * This file is part of the mLib utilities library.
11 *
12 * mLib is free software: you can redistribute it and/or modify it under
13 * the terms of the GNU Library General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or (at
15 * your option) any later version.
16 *
17 * mLib is distributed in the hope that it will be useful, but WITHOUT
18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
20 * License for more details.
21 *
22 * You should have received a copy of the GNU Library General Public
23 * License along with mLib. If not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
25 * USA.
26 */
27
28#ifndef MLIB_COMPILER_H
29#define MLIB_COMPILER_H
30
31#ifdef __cplusplus
32 extern "C" {
33#endif
34
35/*----- Macros ------------------------------------------------------------*/
36
7612f2c0 37#ifdef __GNUC__
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38# define GCC_VERSION_P(maj, min) \
39 (__GNUC__ > (maj) || (__GNUC__ == (maj) && __GNUC_MINOR__ >= (min)))
40#else
41# define GCC_VERSION_P(maj, min) 0
42#endif
43
44#ifdef __clang__
45# define CLANG_VERSION_P(maj, min) \
46 (__clang_major__ > (maj) || (__clang_major__ == (maj) && \
47 __clang_minor__ >= (min)))
48#else
49# define CLANG_VERSION_P(maj, min) 0
50#endif
51
52/*----- That's all, folks -------------------------------------------------*/
53
54#ifdef __cplusplus
55 }
56#endif
57
58#endif