78 lines
3.5 KiB
CMake
78 lines
3.5 KiB
CMake
# Build type link flags
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set (CMAKE_LINK_FLAGS_RELEASE " " CACHE INTERNAL "Link flags for release" FORCE)
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set (CMAKE_LINK_FLAGS_RELWITHDEBINFO " " CACHE INTERNAL "Link flags for release with debug support" FORCE)
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set (CMAKE_LINK_FLAGS_DEBUG " " CACHE INTERNAL "Link flags for debug" FORCE)
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set (CMAKE_LINK_FLAGS_PROFILE " -pg" CACHE INTERNAL "Link flags for profile" FORCE)
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set (CMAKE_LINK_FLAGS_COVERAGE " --coverage" CACHE INTERNAL "Link flags for static code coverage" FORCE)
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set (CMAKE_C_FLAGS_RELEASE "")
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if (NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" AND NOT MSVC)
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# -s doesn't work with clang or Visual Studio, see alternative in link below:
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# http://stackoverflow.com/questions/6085491/gcc-vs-clang-symbol-strippingu
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set (CMAKE_C_FLAGS_RELEASE "-s")
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endif()
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if (NOT MSVC)
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set (CMAKE_C_FLAGS_RELEASE " ${CMAKE_C_FLAGS_RELEASE} -O3 -DNDEBUG ${CMAKE_C_FLAGS_ALL}" CACHE INTERNAL "C Flags for release" FORCE)
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set (CMAKE_CXX_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE})
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set (CMAKE_C_FLAGS_RELWITHDEBINFO " -g -O2 ${CMAKE_C_FLAGS_ALL}" CACHE INTERNAL "C Flags for release with debug support" FORCE)
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set (CMAKE_CXX_FLAGS_RELWITHDEBINFO ${CMAKE_C_FLAGS_RELWITHDEBINFO})
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set (CMAKE_C_FLAGS_DEBUG " -ggdb3 ${CMAKE_C_FLAGS_ALL}" CACHE INTERNAL "C Flags for debug" FORCE)
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set (CMAKE_CXX_FLAGS_DEBUG ${CMAKE_C_FLAGS_DEBUG})
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set (CMAKE_C_FLAGS_PROFILE " -fno-omit-frame-pointer -g -pg ${CMAKE_C_FLAGS_ALL}" CACHE INTERNAL "C Flags for profile" FORCE)
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set (CMAKE_CXX_FLAGS_PROFILE ${CMAKE_C_FLAGS_PROFILE})
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set (CMAKE_C_FLAGS_COVERAGE " -g -O0 -Wformat=2 --coverage -fno-inline ${CMAKE_C_FLAGS_ALL}" CACHE INTERNAL "C Flags for static code coverage" FORCE)
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set (CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_C_FLAGS_COVERAGE}")
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foreach(flag
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-fno-default-inline
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-fno-elide-constructors
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-fno-implicit-inline-templates)
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CHECK_CXX_COMPILER_FLAG(${flag} R${flag})
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if (R${flag})
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set (CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_COVERAGE} ${flag}")
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endif()
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endforeach()
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endif()
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#####################################
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# Set all the global build flags
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
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set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_LINK_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
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set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_LINK_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
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set (CMAKE_MODULE_LINKER_FLAGS "${CMAKE_LINK_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}}")
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# Visual Studio enables c++11 support by default
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if (NOT MSVC)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_UPPERCASE}} -std=c++11")
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endif()
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if (UNIX)
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# Add visibility in UNIX
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check_gcc_visibility()
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if (GCC_SUPPORTS_VISIBILITY)
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
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endif()
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endif()
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# Compiler-specific C++11 activation.
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if ("${CMAKE_CXX_COMPILER_ID} " MATCHES "GNU ")
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execute_process(
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COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
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if (NOT (GCC_VERSION VERSION_GREATER 4.7))
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message(FATAL_ERROR "${PROJECT_NAME} requires g++ 4.8 or greater.")
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endif ()
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elseif ("${CMAKE_CXX_COMPILER_ID} " MATCHES "Clang ")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
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elseif ("${CMAKE_CXX_COMPILER_ID} " STREQUAL "MSVC ")
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if (MSVC_VERSION LESS 1800)
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message(FATAL_ERROR "${PROJECT_NAME} requires VS 2013 or greater.")
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endif()
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else ()
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message(FATAL_ERROR "Your C++ compiler does not support C++11.")
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endif ()
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