forked from ibphoenix/tomsfastmath
55 lines
2.9 KiB
CMake
55 lines
2.9 KiB
CMake
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################################################################################
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#
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# Compiler Settings
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#
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################################################################################
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# Require and enable C++ 0x/11/14/17
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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message(STATUS "tomsfastmath pre-check compiler: C++${CMAKE_CXX_STANDARD} with CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} ")
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_COMPILER_IS_GNUCXX)
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# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wnarrowing -Werror ")
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# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -Wnarrowing -Wextra")
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set(CMAKE_CXX_FLAGS " -Werror -Wshadow -Wextra -Wall -fexceptions -fno-omit-frame-pointer -fno-rtti -DUNICODE ${CMAKE_CXX_FLAGS} ")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -s")
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include(CheckCXXCompilerFlag)
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if(NOT TOMSFASTMATH_DISABLE_LIBCXX)
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check_cxx_compiler_flag("-stdlib=libc++" CXX_SUPPORTS_STDLIB)
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if(CXX_SUPPORTS_STDLIB)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -stdlib=libc++")
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set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -stdlib=libc++")
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endif()
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set(TOMSFASTMATH_DISABLE_LIBCXX ${TOMSFASTMATH_DISABLE_LIBCXX} CACHE BOOL "Do not use libc++, if available." FORCE)
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endif()
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message(STATUS "tomsfastmath build: Disable linking libc++ - ${TOMSFASTMATH_DISABLE_LIBCXX}")
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "Intel")
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string(REGEX REPLACE "[/-]W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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if (NOT (CMAKE_VERSION VERSION_LESS 3.6.0)) # Compiler features for Intel in CMake 3.6+
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Qstd=c++17")
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endif()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /QaxCORE-AVX2")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fp:precise")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /Od")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /O3")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Qipo")
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elseif(MSVC)
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string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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if(MSVC_VERSION LESS 1900)
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message(FATAL_ERROR "tomsfastmath : Build requires C++17-compliant compiler")
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endif()
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endif()
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if(CMAKE_BUILD_TYPE MATCHES Debug)
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message(STATUS "tomsfastmath : Global compiler flags - ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG}")
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elseif(CMAKE_BUILD_TYPE MATCHES RelWithDebInfo)
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message(STATUS "tomsfastmath : Global compiler flags - ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
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elseif(CMAKE_BUILD_TYPE MATCHES Release)
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message(STATUS "tomsfastmath : Global compiler flags - ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE}")
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endif()
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