59 lines
2.0 KiB
CMake
59 lines
2.0 KiB
CMake
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# removing legacy flags like -m64
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# flag -m64 may be needed for C code lg_util/opsys.h
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# ======= C flags =========================================
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if("${CMAKE_C_COMPILER_ID}" MATCHES "Clang")
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MESSAGE(STATUS " C compiler: Clang")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w -m64")
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execute_process(COMMAND clang --version OUTPUT_VARIABLE clang_version_output)
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string(REGEX MATCH "[0-9]+" clang_version "${clang_version_output}")
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if (clang_version AND clang_version GREATER_EQUAL 15)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error=implicit-int")
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endif()
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elseif ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
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MESSAGE(STATUS " C compiler: GNU GCC")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w -m64")
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elseif ("${CMAKE_C_COMPILER_ID}" STREQUAL "Intel")
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MESSAGE(STATUS " C compiler: Intel C")
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elseif ("${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC")
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MESSAGE(STATUS " C compiler: Microsoft Visual C")
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else()
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message(STATUS " C compiler not recognized: ${CMAKE_C_COMPILER_ID}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w -m64")
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endif()
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# ======= C++ flags =======================================
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if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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message(STATUS " C++ compiler: Clang")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w -stdlib=libc++ -std=c++0x")
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execute_process(COMMAND clang --version OUTPUT_VARIABLE clang_version_output)
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string(REGEX MATCH "[0-9]+" clang_version "${clang_version_output}")
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if (clang_version AND clang_version GREATER_EQUAL 15)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=implicit-int")
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endif()
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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message(STATUS " C++ compiler: GNU G++")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w")
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
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message(STATUS " C++ compiler: Intel C++")
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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message(STATUS " C++ compiler: Microsoft Visual C++")
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else()
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message(STATUS " C++ compiler not recognized: ${CMAKE_CXX_COMPILER_ID}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w")
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endif()
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