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684e4d205d
Condition all calls to `_record_compiler_features_{c,cxx}` on
`_result EQUAL 0` so that adding new language standards later does
not need to update them. Avoid some duplicate compiler version
checks by conditioning C11 and CXX14 feature recording on the
existence of `CMAKE_{C11,CXX14}_STANDARD_COMPILE_OPTION` (whose
setting already used the version check).
86 lines
3.3 KiB
CMake
86 lines
3.3 KiB
CMake
include(Compiler/Intel)
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__compiler_intel(CXX)
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string(APPEND CMAKE_CXX_FLAGS_MINSIZEREL_INIT " -DNDEBUG")
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string(APPEND CMAKE_CXX_FLAGS_RELEASE_INIT " -DNDEBUG")
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string(APPEND CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT " -DNDEBUG")
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set(CMAKE_DEPFILE_FLAGS_CXX "-MD -MT <OBJECT> -MF <DEPFILE>")
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if("x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
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set(_std -Qstd)
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set(_ext c++)
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 16.0)
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set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-Qstd=c++14")
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# todo: there is no gnu++14 value supported; figure out what to do
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set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-Qstd=c++14")
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endif()
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else()
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set(_std -std)
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set(_ext gnu++)
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0.2)
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set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++14")
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# todo: there is no gnu++14 value supported; figure out what to do
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set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=c++14")
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elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0.0)
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set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++1y")
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# todo: there is no gnu++14 value supported; figure out what to do
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set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=c++1y")
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endif()
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endif()
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13.0)
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set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "${_std}=c++11")
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set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "${_std}=${_ext}11")
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elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
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set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "${_std}=c++0x")
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set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "${_std}=${_ext}0x")
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endif()
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
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if("x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
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set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
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set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
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else()
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set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "${_std}=c++98")
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set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "${_std}=gnu++98")
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endif()
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endif()
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
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if (NOT CMAKE_CXX_COMPILER_FORCED)
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if (NOT CMAKE_CXX_STANDARD_COMPUTED_DEFAULT)
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message(FATAL_ERROR "CMAKE_CXX_STANDARD_COMPUTED_DEFAULT should be set for ${CMAKE_CXX_COMPILER_ID} (${CMAKE_CXX_COMPILER}) version ${CMAKE_CXX_COMPILER_VERSION}")
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else()
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set(CMAKE_CXX_STANDARD_DEFAULT ${CMAKE_CXX_STANDARD_COMPUTED_DEFAULT})
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endif()
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elseif (NOT CMAKE_CXX_STANDARD_COMPUTED_DEFAULT)
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# Compiler id was forced so just guess the default standard level.
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set(CMAKE_CXX_STANDARD_DEFAULT 98)
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endif()
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endif()
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unset(_std)
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unset(_ext)
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macro(cmake_record_cxx_compile_features)
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set(_result 0)
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if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
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if (_result EQUAL 0 AND
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(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 16.0
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OR (NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC" AND
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NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0)))
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_record_compiler_features_cxx(14)
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endif()
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if (_result EQUAL 0)
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_record_compiler_features_cxx(11)
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endif()
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if (_result EQUAL 0)
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_record_compiler_features_cxx(98)
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endif()
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endif()
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endmacro()
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set(CMAKE_CXX_CREATE_PREPROCESSED_SOURCE "<CMAKE_CXX_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
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set(CMAKE_CXX_CREATE_ASSEMBLY_SOURCE "<CMAKE_CXX_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
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