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cmake: Silence warnings with clang.
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@ -81,16 +81,13 @@ endif()
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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include(CheckCXXCompilerFlag)
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CHECK_CXX_COMPILER_FLAG("-Wall" COMPILER_SUPPORTS_WALL)
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if(COMPILER_SUPPORTS_WALL)
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message("Enabling -Wall")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
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endif()
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include(CheckCXXFlag)
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check_cxx_flag(-Wall COMPILER_SUPPORTS_WALL)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-switch")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-switch")
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if(NOT ANDROID)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-class-memaccess -Wno-invalid-offsetof")
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check_cxx_flag(-Wno-class-memaccess COMPILER_SUPPORTS_MEMACCESS)
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check_cxx_flag(-Wno-invalid-offsetof COMPILER_SUPPORTS_OFFSETOF)
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endif()
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endif()
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8
CMakeModules/CheckCXXFlag.cmake
Normal file
8
CMakeModules/CheckCXXFlag.cmake
Normal file
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@ -0,0 +1,8 @@
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include(CheckCXXCompilerFlag)
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function(check_cxx_flag flag var)
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CHECK_CXX_COMPILER_FLAG("-Werror ${flag}" ${var})
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if(${var})
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}" PARENT_SCOPE)
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endif()
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endfunction()
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