86 lines
3.3 KiB
CMake
86 lines
3.3 KiB
CMake
#
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# This program source code file is part of KICAD, a free EDA CAD application.
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#
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# Copyright (C) 2007-2020 Kicad Developers, see AUTHORS.txt for contributors.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program 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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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, you may find one here:
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# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# or you may search the http://www.gnu.org website for the version 2 license,
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# or you may write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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#
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# Only configure warnings for Clang and GCC
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if( CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
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include( CheckCXXCompilerFlag )
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# Warn about missing override specifiers
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CHECK_CXX_COMPILER_FLAG( "-Wsuggest-override" COMPILER_SUPPORTS_WSUGGEST_OVERRIDE )
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if( COMPILER_SUPPORTS_WSUGGEST_OVERRIDE )
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set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wsuggest-override" )
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message( STATUS "Enabling warning -Wsugest-override" )
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endif()
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# This is Clang's version of -Wsuggest-override
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CHECK_CXX_COMPILER_FLAG( "-Winconsistent-missing-override" COMPILER_SUPPORTS_WINCONSISTENT_MISSING_OVERRIDE )
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if( COMPILER_SUPPORTS_WINCONSISTENT_MISSING_OVERRIDE )
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set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Winconsistent-missing-override" )
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message( STATUS "Enabling warning -Winconsistent-missing-override" )
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endif()
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CHECK_CXX_COMPILER_FLAG( "-Wvla" COMPILER_SUPPORTS_WVLA )
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if( COMPILER_SUPPORTS_WVLA )
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set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=vla" )
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message( STATUS "Enabling error for -Wvla" )
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endif()
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# Warn on implicit switch fallthrough
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CHECK_CXX_COMPILER_FLAG( "-Wimplicit-fallthrough" COMPILER_SUPPORTS_WIMPLICIT_FALLTHROUGH )
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if( COMPILER_SUPPORTS_WIMPLICIT_FALLTHROUGH )
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set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wimplicit-fallthrough" )
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message( STATUS "Enabling warning -Wimplicit-fallthrough" )
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endif()
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# Error if there is a problem with function returns
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CHECK_CXX_COMPILER_FLAG( "-Wreturn-type" COMPILER_SUPPORTS_WRETURN_TYPE )
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if( COMPILER_SUPPORTS_WRETURN_TYPE )
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set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=return-type" )
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message( STATUS "Enabling error for -Wreturn-type" )
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endif()
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# Warn about shadowed variables (-Wshadow option), if supported
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# Unfortunately, the swig autogenerated files have a lot of shadowed variables
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# and -Wno-shadow does not exist.
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# Adding -Wshadow can be made only for .cpp files
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# and will be added later in CMakeLists.txt
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CHECK_CXX_COMPILER_FLAG( "-Wshadow" COMPILER_SUPPORTS_WSHADOW )
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if( COMPILER_SUPPORTS_WSHADOW )
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set( WSHADOW_FLAGS "-Wshadow" )
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message( STATUS "Enabling warning -Wshadow" )
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endif()
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endif()
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