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e78b4f6be7
I do not think we need a safeguard against not including files in CMake anymore, and as it is, it caused annoying false positive about the default main implementation.
66 lines
2.2 KiB
CMake
66 lines
2.2 KiB
CMake
include(CheckCXXCompilerFlag)
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function(add_cxx_flag_if_supported_to_targets flagname targets)
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check_cxx_compiler_flag("${flagname}" HAVE_FLAG_${flagname})
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if (HAVE_FLAG_${flagname})
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foreach(target ${targets})
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target_compile_options(${target} PUBLIC ${flagname})
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endforeach()
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endif()
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endfunction()
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# Assumes that it is only called for development builds, where warnings
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# and Werror is desired, so it also enables Werror.
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function(add_warnings_to_targets targets)
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LIST(LENGTH targets TARGETS_LEN)
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# For now we just assume 2 possibilities: msvc and msvc-like compilers,
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# and other.
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if (MSVC)
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foreach(target ${targets})
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# Force MSVC to consider everything as encoded in utf-8
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target_compile_options( ${target} PRIVATE /utf-8 )
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# Enable Werror equivalent
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if (CATCH_ENABLE_WERROR)
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target_compile_options( ${target} PRIVATE /WX )
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endif()
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# MSVC is currently handled specially
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if ( CMAKE_CXX_COMPILER_ID MATCHES "MSVC" )
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STRING(REGEX REPLACE "/W[0-9]" "/W4" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) # override default warning level
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target_compile_options( ${target} PRIVATE /w44265 /w44061 /w44062 /w45038 )
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endif()
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endforeach()
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endif()
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if (NOT MSVC)
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set(CHECKED_WARNING_FLAGS
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"-Wall"
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"-Wextra"
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"-Wpedantic"
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"-Wweak-vtables"
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"-Wunreachable-code"
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"-Wmissing-declarations"
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"-Wexit-time-destructors"
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"-Wglobal-constructors"
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"-Wmissing-noreturn"
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"-Wparentheses"
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"-Wextra-semi-stmt"
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"-Wunreachable-code"
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"-Wstrict-aliasing"
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"-Wreturn-std-move"
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"-Wmissing-braces"
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)
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foreach(warning ${CHECKED_WARNING_FLAGS})
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add_cxx_flag_if_supported_to_targets(${warning} "${targets}")
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endforeach()
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if (CATCH_ENABLE_WERROR)
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foreach(target ${targets})
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# Enable Werror equivalent
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target_compile_options( ${target} PRIVATE -Werror )
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endforeach()
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endif()
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endif()
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endfunction()
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