80 lines
2.9 KiB
C
80 lines
2.9 KiB
C
/*
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Copyright 2014 SINTEF ICT, Applied Mathematics.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Note: this file shall not have include guards or #pragma once.
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#ifdef SILENCE_EXTERNAL_WARNINGS
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// To use this feature, we must have sufficiently new compiler.
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// Using gcc is ok if version 4.6 or newer.
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#if defined(__GNUC__)
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# define __GNUC_VERSION__ (__GNUC__ * 100 \
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+ __GNUC_MINOR__ * 1)
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# if (__GNUC_VERSION__ >= 406)
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# define GNU_COMPILER_OK 1
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# else
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# define GNU_COMPILER_OK 0
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# endif
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#else
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# define GNU_COMPILER_OK 0
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#endif
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// Uncertain what version of clang to require,
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// assume all versions are fine.
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#if defined(__clang__)
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# define CLANG_COMPILER_OK 1
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#else
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# define CLANG_COMPILER_OK 0
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#endif
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// More compilers can be added here if necessary.
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#define COMPATIBLE_COMPILER (GNU_COMPILER_OK || CLANG_COMPILER_OK)
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// If compiler is compatible, push current warning level
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// and ignore warnings that are usually generated from
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// third-party libraries that are not warning-clean.
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// Note that both clang and (newer) gcc accept the
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// "#pragma GCC diagnostic" syntax.
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#if COMPATIBLE_COMPILER
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#pragma GCC diagnostic push
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// Suppress warnings: "unknown option after ‘#pragma GCC diagnostic’ kind [-Wpragmas]".
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// This is necessary because not all the compilers have the same warning options.
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#pragma GCC diagnostic ignored "-Wpragmas"
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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#pragma GCC diagnostic ignored "-Wdeprecated-register"
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#pragma GCC diagnostic ignored "-Wignored-qualifiers"
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#pragma GCC diagnostic ignored "-Wmismatched-tags"
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#pragma GCC diagnostic ignored "-Wshadow"
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#pragma GCC diagnostic ignored "-Wsign-compare"
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#pragma GCC diagnostic ignored "-Wunused-parameter"
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#pragma GCC diagnostic ignored "-Wtautological-compare"
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#pragma GCC diagnostic ignored "-Wtype-limits"
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#pragma GCC diagnostic ignored "-Wunused-function"
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#pragma GCC diagnostic ignored "-Wunneeded-internal-declaration"
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#pragma GCC diagnostic ignored "-Wunused-private-field"
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#pragma GCC diagnostic ignored "-Wunused-variable"
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#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
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#pragma GCC diagnostic ignored "-Wcast-align"
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#pragma GCC diagnostic ignored "-Wcast-qual"
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#pragma GCC diagnostic ignored "-Wignored-attributes"
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#endif // COMPATIBLE_COMPILER
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#endif // SILENCE_EXTERNAL_WARNINGS
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