87 lines
3.8 KiB
CMake
87 lines
3.8 KiB
CMake
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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if(CMAKE_BUILD_TYPE MATCHES "Release")
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# "Release" uses -O3 by default
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add_compile_options(-O2)
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endif()
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if (WARNINGS_ARE_ERRORS)
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add_compile_options(-Werror)
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endif()
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endif()
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if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6)
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message(FATAL_ERROR "${PROJECT_NAME} c++11 support requires g++ 4.6 or greater, but it is ${CMAKE_CXX_COMPILER_VERSION}")
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endif ()
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add_compile_options(-Wcast-qual) # Cast for removing type qualifiers
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add_compile_options(-Wno-deprecated-declarations)
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add_compile_options(-Wfloat-equal) # Floating values used in equality comparisons
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add_compile_options(-Wmissing-declarations) # If a global function is defined without a previous declaration
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add_compile_options(-Wmissing-format-attribute) #
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add_compile_options(-Wno-long-long)
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add_compile_options(-Woverloaded-virtual) # when a function declaration hides virtual functions from a base class
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add_compile_options(-Wpacked) #
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add_compile_options(-Wredundant-decls) # if anything is declared more than once in the same scope
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add_compile_options(-Wundef)
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add_compile_options(-Wno-shadow) # whenever a local variable or type declaration shadows another one
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add_compile_options(-Wno-missing-field-initializers)
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add_compile_options(-Wno-missing-braces)
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add_compile_options(-Wno-sign-compare)
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add_compile_options(-Wno-multichar)
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add_compile_options(-Wno-maybe-uninitialized) # there are some false positives
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elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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add_compile_options(-Wno-deprecated-declarations)
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add_compile_options(-Wno-four-char-constants)
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add_compile_options(-Wno-missing-braces)
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add_compile_options(-Wno-missing-field-initializers)
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add_compile_options(-Wno-multichar)
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add_compile_options(-Wno-sign-compare)
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add_compile_options(-Wno-unused-function)
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "8.0.0")
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add_compile_options(-Wextra-semi-stmt)
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endif()
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if(ENABLE_COVERAGE OR ENABLE_COVERAGE_XML)
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message(FATAL_ERROR "Not use clang for generate code coverage. Use gcc.")
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endif()
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endif()
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if (MSVC)
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add_compile_options(/W4)
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add_compile_options(/wd4018) # warning C4018: '>': signed/unsigned mismatch
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add_compile_options(/wd4127) # warning C4127: conditional expression is constant
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add_compile_options(/wd4244) # warning C4244: 'initializing': conversion from 'int' to 'char', possible loss of data
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add_compile_options(/wd4251)
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# Clang: -Wshorten-64-to-32 -Wimplicit-int-conversion
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add_compile_options(/wd4267) # warning C4267: 'return': conversion from 'size_t' to 'int', possible loss of data
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add_compile_options(/wd4389) # warning C4389: '==': signed/unsigned mismatch
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add_compile_options(/wd4482)
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add_compile_options(/wd4512)
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add_compile_options(/wd4701) # warning C4701: potentially uninitialized local variable 'err' used
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add_compile_options(/wd4706) # warning C4706: assignment within conditional expression
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add_compile_options(/wd4800) # warning C4800: 'const SymbolDatabase *' : forcing value to bool 'true' or 'false' (performance warning)
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if (WARNINGS_ARE_ERRORS)
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add_compile_options(/WX)
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endif()
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endif()
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# TODO: check if this can be enabled again - also done in Makefile
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if (CMAKE_SYSTEM_NAME MATCHES "Linux" AND
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CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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add_compile_options(-U_GLIBCXX_DEBUG)
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endif()
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if (MSVC)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:8000000")
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endif()
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if (CYGWIN)
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# TODO: this is a linker flag - not a compiler flag
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add_compile_options(-Wl,--stack,8388608)
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endif()
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include(cmake/dynamic_analyzer_options.cmake)
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