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97 lines
3.6 KiB
CMake
97 lines
3.6 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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function(cmake_determine_compile_features lang)
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if(lang STREQUAL C AND COMMAND cmake_record_c_compile_features)
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message(STATUS "Detecting ${lang} compile features")
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set(CMAKE_C90_COMPILE_FEATURES)
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set(CMAKE_C99_COMPILE_FEATURES)
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set(CMAKE_C11_COMPILE_FEATURES)
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include("${CMAKE_ROOT}/Modules/Internal/FeatureTesting.cmake")
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cmake_record_c_compile_features()
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if(NOT _result EQUAL 0)
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message(STATUS "Detecting ${lang} compile features - failed")
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return()
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endif()
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if (CMAKE_C99_COMPILE_FEATURES AND CMAKE_C11_COMPILE_FEATURES)
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list(REMOVE_ITEM CMAKE_C11_COMPILE_FEATURES ${CMAKE_C99_COMPILE_FEATURES})
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endif()
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if (CMAKE_C90_COMPILE_FEATURES AND CMAKE_C99_COMPILE_FEATURES)
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list(REMOVE_ITEM CMAKE_C99_COMPILE_FEATURES ${CMAKE_C90_COMPILE_FEATURES})
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endif()
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if(NOT CMAKE_C_COMPILE_FEATURES)
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set(CMAKE_C_COMPILE_FEATURES
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${CMAKE_C90_COMPILE_FEATURES}
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${CMAKE_C99_COMPILE_FEATURES}
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${CMAKE_C11_COMPILE_FEATURES}
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)
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endif()
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set(CMAKE_C_COMPILE_FEATURES ${CMAKE_C_COMPILE_FEATURES} PARENT_SCOPE)
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set(CMAKE_C90_COMPILE_FEATURES ${CMAKE_C90_COMPILE_FEATURES} PARENT_SCOPE)
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set(CMAKE_C99_COMPILE_FEATURES ${CMAKE_C99_COMPILE_FEATURES} PARENT_SCOPE)
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set(CMAKE_C11_COMPILE_FEATURES ${CMAKE_C11_COMPILE_FEATURES} PARENT_SCOPE)
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message(STATUS "Detecting ${lang} compile features - done")
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elseif(lang STREQUAL CXX AND COMMAND cmake_record_cxx_compile_features)
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message(STATUS "Detecting ${lang} compile features")
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set(CMAKE_CXX98_COMPILE_FEATURES)
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set(CMAKE_CXX11_COMPILE_FEATURES)
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set(CMAKE_CXX14_COMPILE_FEATURES)
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set(CMAKE_CXX17_COMPILE_FEATURES)
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set(CMAKE_CXX20_COMPILE_FEATURES)
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include("${CMAKE_ROOT}/Modules/Internal/FeatureTesting.cmake")
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cmake_record_cxx_compile_features()
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if(NOT _result EQUAL 0)
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message(STATUS "Detecting ${lang} compile features - failed")
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return()
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endif()
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if (CMAKE_CXX17_COMPILE_FEATURES AND CMAKE_CXX20_COMPILE_FEATURES)
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list(REMOVE_ITEM CMAKE_CXX20_COMPILE_FEATURES ${CMAKE_CXX17_COMPILE_FEATURES})
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endif()
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if (CMAKE_CXX14_COMPILE_FEATURES AND CMAKE_CXX17_COMPILE_FEATURES)
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list(REMOVE_ITEM CMAKE_CXX17_COMPILE_FEATURES ${CMAKE_CXX14_COMPILE_FEATURES})
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endif()
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if (CMAKE_CXX11_COMPILE_FEATURES AND CMAKE_CXX14_COMPILE_FEATURES)
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list(REMOVE_ITEM CMAKE_CXX14_COMPILE_FEATURES ${CMAKE_CXX11_COMPILE_FEATURES})
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endif()
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if (CMAKE_CXX98_COMPILE_FEATURES AND CMAKE_CXX11_COMPILE_FEATURES)
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list(REMOVE_ITEM CMAKE_CXX11_COMPILE_FEATURES ${CMAKE_CXX98_COMPILE_FEATURES})
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endif()
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if(NOT CMAKE_CXX_COMPILE_FEATURES)
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set(CMAKE_CXX_COMPILE_FEATURES
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${CMAKE_CXX98_COMPILE_FEATURES}
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${CMAKE_CXX11_COMPILE_FEATURES}
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${CMAKE_CXX14_COMPILE_FEATURES}
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${CMAKE_CXX17_COMPILE_FEATURES}
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${CMAKE_CXX20_COMPILE_FEATURES}
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)
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endif()
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set(CMAKE_CXX_COMPILE_FEATURES ${CMAKE_CXX_COMPILE_FEATURES} PARENT_SCOPE)
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set(CMAKE_CXX98_COMPILE_FEATURES ${CMAKE_CXX98_COMPILE_FEATURES} PARENT_SCOPE)
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set(CMAKE_CXX11_COMPILE_FEATURES ${CMAKE_CXX11_COMPILE_FEATURES} PARENT_SCOPE)
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set(CMAKE_CXX14_COMPILE_FEATURES ${CMAKE_CXX14_COMPILE_FEATURES} PARENT_SCOPE)
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set(CMAKE_CXX17_COMPILE_FEATURES ${CMAKE_CXX17_COMPILE_FEATURES} PARENT_SCOPE)
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set(CMAKE_CXX20_COMPILE_FEATURES ${CMAKE_CXX20_COMPILE_FEATURES} PARENT_SCOPE)
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message(STATUS "Detecting ${lang} compile features - done")
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endif()
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endfunction()
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