Add disabling and reenabling header files.

The files check for compiler versions to avoid using incompatible
pragmas. Only enabled for gcc >= 4.6 and clang.
This commit is contained in:
Atgeirr Flø Rasmussen 2014-09-18 14:11:20 +02:00
parent cb3b1c18fe
commit 763c9de6ef
2 changed files with 121 additions and 0 deletions

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/*
Copyright 2014 SINTEF ICT, Applied Mathematics.
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPM_DISABLE_WARNINGS_HEADER_INCLUDED
#define OPM_DISABLE_WARNINGS_HEADER_INCLUDED
// To use this feature, we must have sufficiently new compiler.
// Using gcc is ok if version 4.6 or newer.
#if defined(__GNUC__)
# define __GNUC_VERSION__ (__GNUC__ * 100 \
+ __GNUC_MINOR__ * 1)
# if (__GNUC_VERSION__ >= 406)
# define GNU_COMPILER_OK 1
# else
# define GNU_COMPILER_OK 0
# endif
#else
# define GNU_COMPILER_OK 0
#endif
// Uncertain what version of clang to require,
// assume all versions are fine.
#if defined(__clang__)
# define CLANG_COMPILER_OK 1
#else
# define CLANG_COMPILER_OK 0
#endif
// More compilers can be added here if necessary.
#define COMPATIBLE_COMPILER (GNU_COMPILER_OK || CLANG_COMPILER_OK)
// If compiler is compatible, push current warning level
// and ignore warnings that are usually generated from
// third-party libraries that are not warning-clean.
// Note that both clang and (newer) gcc accept the
// "#pragma GCC diagnostic" syntax.
#if COMPATIBLE_COMPILER
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#pragma GCC diagnostic ignored "-Wdeprecated-register"
#pragma GCC diagnostic ignored "-Wignored-qualifiers"
#pragma GCC diagnostic ignored "-Wmismatched-tags"
#pragma GCC diagnostic ignored "-Wshadow"
#pragma GCC diagnostic ignored "-Wsign-compare"
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif // COMPATIBLE_COMPILER
#endif // OPM_DISABLE_WARNINGS_HEADER_INCLUDED

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/*
Copyright 2014 SINTEF ICT, Applied Mathematics.
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPM_REENABLE_WARNINGS_HEADER_INCLUDED
#define OPM_REENABLE_WARNINGS_HEADER_INCLUDED
// To use this feature, we must have sufficiently new compiler.
// Using gcc is ok if version 4.6 or newer.
#if defined(__GNUC__)
# define __GNUC_VERSION__ (__GNUC__ * 100 \
+ __GNUC_MINOR__ * 1)
# if (__GNUC_VERSION__ >= 406)
# define GNU_COMPILER_OK 1
# else
# define GNU_COMPILER_OK 0
# endif
#else
# define GNU_COMPILER_OK 0
#endif
// Uncertain what version of clang to require,
// assume all versions are fine.
#if defined(__clang__)
# define CLANG_COMPILER_OK 1
#else
# define CLANG_COMPILER_OK 0
#endif
// More compilers can be added here if necessary.
#define COMPATIBLE_COMPILER (GNU_COMPILER_OK || CLANG_COMPILER_OK)
// If compiler is compatible, pop current warning level.
// Note that both clang and (newer) gcc accept the
// "#pragma GCC diagnostic" syntax.
#if COMPATIBLE_COMPILER
#pragma GCC diagnostic pop
#endif // COMPATIBLE_COMPILER
#endif // OPM_REENABLE_WARNINGS_HEADER_INCLUDED