diff options
Diffstat (limited to 'share/cmake-3.16/Modules/CMakeDetermineCompileFeatures.cmake')
-rw-r--r-- | share/cmake-3.16/Modules/CMakeDetermineCompileFeatures.cmake | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/share/cmake-3.16/Modules/CMakeDetermineCompileFeatures.cmake b/share/cmake-3.16/Modules/CMakeDetermineCompileFeatures.cmake new file mode 100644 index 0000000..01a81a1 --- /dev/null +++ b/share/cmake-3.16/Modules/CMakeDetermineCompileFeatures.cmake @@ -0,0 +1,96 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + + +function(cmake_determine_compile_features lang) + + if(lang STREQUAL C AND COMMAND cmake_record_c_compile_features) + message(STATUS "Detecting ${lang} compile features") + + set(CMAKE_C90_COMPILE_FEATURES) + set(CMAKE_C99_COMPILE_FEATURES) + set(CMAKE_C11_COMPILE_FEATURES) + + include("${CMAKE_ROOT}/Modules/Internal/FeatureTesting.cmake") + + cmake_record_c_compile_features() + + if(NOT _result EQUAL 0) + message(STATUS "Detecting ${lang} compile features - failed") + return() + endif() + + if (CMAKE_C99_COMPILE_FEATURES AND CMAKE_C11_COMPILE_FEATURES) + list(REMOVE_ITEM CMAKE_C11_COMPILE_FEATURES ${CMAKE_C99_COMPILE_FEATURES}) + endif() + if (CMAKE_C90_COMPILE_FEATURES AND CMAKE_C99_COMPILE_FEATURES) + list(REMOVE_ITEM CMAKE_C99_COMPILE_FEATURES ${CMAKE_C90_COMPILE_FEATURES}) + endif() + + if(NOT CMAKE_C_COMPILE_FEATURES) + set(CMAKE_C_COMPILE_FEATURES + ${CMAKE_C90_COMPILE_FEATURES} + ${CMAKE_C99_COMPILE_FEATURES} + ${CMAKE_C11_COMPILE_FEATURES} + ) + endif() + + set(CMAKE_C_COMPILE_FEATURES ${CMAKE_C_COMPILE_FEATURES} PARENT_SCOPE) + set(CMAKE_C90_COMPILE_FEATURES ${CMAKE_C90_COMPILE_FEATURES} PARENT_SCOPE) + set(CMAKE_C99_COMPILE_FEATURES ${CMAKE_C99_COMPILE_FEATURES} PARENT_SCOPE) + set(CMAKE_C11_COMPILE_FEATURES ${CMAKE_C11_COMPILE_FEATURES} PARENT_SCOPE) + + message(STATUS "Detecting ${lang} compile features - done") + + elseif(lang STREQUAL CXX AND COMMAND cmake_record_cxx_compile_features) + message(STATUS "Detecting ${lang} compile features") + + set(CMAKE_CXX98_COMPILE_FEATURES) + set(CMAKE_CXX11_COMPILE_FEATURES) + set(CMAKE_CXX14_COMPILE_FEATURES) + set(CMAKE_CXX17_COMPILE_FEATURES) + set(CMAKE_CXX20_COMPILE_FEATURES) + + include("${CMAKE_ROOT}/Modules/Internal/FeatureTesting.cmake") + + cmake_record_cxx_compile_features() + + if(NOT _result EQUAL 0) + message(STATUS "Detecting ${lang} compile features - failed") + return() + endif() + + if (CMAKE_CXX17_COMPILE_FEATURES AND CMAKE_CXX20_COMPILE_FEATURES) + list(REMOVE_ITEM CMAKE_CXX20_COMPILE_FEATURES ${CMAKE_CXX17_COMPILE_FEATURES}) + endif() + if (CMAKE_CXX14_COMPILE_FEATURES AND CMAKE_CXX17_COMPILE_FEATURES) + list(REMOVE_ITEM CMAKE_CXX17_COMPILE_FEATURES ${CMAKE_CXX14_COMPILE_FEATURES}) + endif() + if (CMAKE_CXX11_COMPILE_FEATURES AND CMAKE_CXX14_COMPILE_FEATURES) + list(REMOVE_ITEM CMAKE_CXX14_COMPILE_FEATURES ${CMAKE_CXX11_COMPILE_FEATURES}) + endif() + if (CMAKE_CXX98_COMPILE_FEATURES AND CMAKE_CXX11_COMPILE_FEATURES) + list(REMOVE_ITEM CMAKE_CXX11_COMPILE_FEATURES ${CMAKE_CXX98_COMPILE_FEATURES}) + endif() + + if(NOT CMAKE_CXX_COMPILE_FEATURES) + set(CMAKE_CXX_COMPILE_FEATURES + ${CMAKE_CXX98_COMPILE_FEATURES} + ${CMAKE_CXX11_COMPILE_FEATURES} + ${CMAKE_CXX14_COMPILE_FEATURES} + ${CMAKE_CXX17_COMPILE_FEATURES} + ${CMAKE_CXX20_COMPILE_FEATURES} + ) + endif() + + set(CMAKE_CXX_COMPILE_FEATURES ${CMAKE_CXX_COMPILE_FEATURES} PARENT_SCOPE) + set(CMAKE_CXX98_COMPILE_FEATURES ${CMAKE_CXX98_COMPILE_FEATURES} PARENT_SCOPE) + set(CMAKE_CXX11_COMPILE_FEATURES ${CMAKE_CXX11_COMPILE_FEATURES} PARENT_SCOPE) + set(CMAKE_CXX14_COMPILE_FEATURES ${CMAKE_CXX14_COMPILE_FEATURES} PARENT_SCOPE) + set(CMAKE_CXX17_COMPILE_FEATURES ${CMAKE_CXX17_COMPILE_FEATURES} PARENT_SCOPE) + set(CMAKE_CXX20_COMPILE_FEATURES ${CMAKE_CXX20_COMPILE_FEATURES} PARENT_SCOPE) + + message(STATUS "Detecting ${lang} compile features - done") + endif() + +endfunction() |