mirror of
https://github.com/Kitware/CMake.git
synced 2026-06-30 19:57:41 +00:00
CMakeDetermineCompilerSupport: support skipping compiler feature checks
This commit is contained in:
Ben Boeckel
@@ -5,6 +5,27 @@
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function(cmake_determine_compiler_support lang)
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if("x${lang}" STREQUAL "xC" AND COMMAND cmake_record_c_compile_features)
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set(compile_feature_vars
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CMAKE_C_COMPILE_FEATURES
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CMAKE_C90_COMPILE_FEATURES
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CMAKE_C99_COMPILE_FEATURES
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CMAKE_C11_COMPILE_FEATURES
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CMAKE_C17_COMPILE_FEATURES
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CMAKE_C23_COMPILE_FEATURES
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)
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set(all_defined 1)
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set(any_non_empty 0)
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foreach (var IN LISTS compile_feature_vars)
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if (NOT DEFINED "${var}")
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set(all_defined 0)
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elseif (${var})
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set(any_non_empty 1)
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endif ()
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endforeach ()
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if (all_defined AND any_non_empty)
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return ()
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endif ()
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message(CHECK_START "Detecting ${lang} compile features")
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set(CMAKE_C90_COMPILE_FEATURES)
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@@ -55,55 +76,81 @@ function(cmake_determine_compiler_support lang)
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message(CHECK_PASS "done")
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elseif("x${lang}" STREQUAL "xCXX" AND COMMAND cmake_record_cxx_compile_features)
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message(CHECK_START "Detecting ${lang} compile features")
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set(compile_feature_vars
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CMAKE_CXX_COMPILE_FEATURES
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CMAKE_CXX98_COMPILE_FEATURES
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CMAKE_CXX11_COMPILE_FEATURES
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CMAKE_CXX14_COMPILE_FEATURES
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CMAKE_CXX17_COMPILE_FEATURES
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CMAKE_CXX20_COMPILE_FEATURES
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CMAKE_CXX23_COMPILE_FEATURES
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CMAKE_CXX26_COMPILE_FEATURES
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)
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set(all_defined 1)
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set(any_non_empty 0)
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foreach (var IN LISTS compile_feature_vars)
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if (NOT DEFINED "${var}")
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set(all_defined 0)
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elseif (${var})
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set(any_non_empty 1)
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endif ()
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endforeach ()
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set(need_feature_detection 1)
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if (all_defined AND any_non_empty)
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set(need_feature_detection 0)
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endif ()
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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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set(CMAKE_CXX23_COMPILE_FEATURES)
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set(CMAKE_CXX26_COMPILE_FEATURES)
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if (need_feature_detection)
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message(CHECK_START "Detecting ${lang} compile features")
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include("${CMAKE_ROOT}/Modules/Internal/FeatureTesting.cmake")
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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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set(CMAKE_CXX23_COMPILE_FEATURES)
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set(CMAKE_CXX26_COMPILE_FEATURES)
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cmake_record_cxx_compile_features()
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include("${CMAKE_ROOT}/Modules/Internal/FeatureTesting.cmake")
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if(NOT _result EQUAL 0)
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message(CHECK_FAIL "failed")
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return()
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endif()
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cmake_record_cxx_compile_features()
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if (CMAKE_CXX23_COMPILE_FEATURES AND CMAKE_CXX26_COMPILE_FEATURES)
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list(REMOVE_ITEM CMAKE_CXX26_COMPILE_FEATURES ${CMAKE_CXX23_COMPILE_FEATURES})
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endif()
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if (CMAKE_CXX20_COMPILE_FEATURES AND CMAKE_CXX23_COMPILE_FEATURES)
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list(REMOVE_ITEM CMAKE_CXX23_COMPILE_FEATURES ${CMAKE_CXX20_COMPILE_FEATURES})
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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 ${CMAKE_CXX98_COMPILE_FEATURES})
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endif()
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if(NOT _result EQUAL 0)
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message(CHECK_FAIL "failed")
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return()
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endif()
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if(NOT CMAKE_CXX_COMPILE_FEATURES)
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set(CMAKE_CXX_COMPILE_FEATURES
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${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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${CMAKE_CXX23_COMPILE_FEATURES}
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${CMAKE_CXX26_COMPILE_FEATURES}
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)
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endif()
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if (CMAKE_CXX23_COMPILE_FEATURES AND CMAKE_CXX26_COMPILE_FEATURES)
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list(REMOVE_ITEM CMAKE_CXX26_COMPILE_FEATURES ${CMAKE_CXX23_COMPILE_FEATURES})
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endif()
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if (CMAKE_CXX20_COMPILE_FEATURES AND CMAKE_CXX23_COMPILE_FEATURES)
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list(REMOVE_ITEM CMAKE_CXX23_COMPILE_FEATURES ${CMAKE_CXX20_COMPILE_FEATURES})
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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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${CMAKE_CXX23_COMPILE_FEATURES}
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${CMAKE_CXX26_COMPILE_FEATURES}
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)
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endif()
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endif ()
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# Find the module metadata for import std
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set(CMAKE_CXX_COMPILER_IMPORT_STD "")
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@@ -121,16 +168,18 @@ function(cmake_determine_compiler_support lang)
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set(CMAKE_CXX_STDLIB_MODULES_JSON ${CMAKE_CXX_STDLIB_MODULES_JSON} PARENT_SCOPE)
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set(CMAKE_CXX_COMPILER_IMPORT_STD_ERROR_MESSAGE "${CMAKE_CXX_COMPILER_IMPORT_STD_ERROR_MESSAGE}" PARENT_SCOPE)
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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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set(CMAKE_CXX23_COMPILE_FEATURES ${CMAKE_CXX23_COMPILE_FEATURES} PARENT_SCOPE)
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set(CMAKE_CXX26_COMPILE_FEATURES ${CMAKE_CXX26_COMPILE_FEATURES} PARENT_SCOPE)
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if (need_feature_detection)
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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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set(CMAKE_CXX23_COMPILE_FEATURES ${CMAKE_CXX23_COMPILE_FEATURES} PARENT_SCOPE)
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set(CMAKE_CXX26_COMPILE_FEATURES ${CMAKE_CXX26_COMPILE_FEATURES} PARENT_SCOPE)
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message(CHECK_PASS "done")
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message(CHECK_PASS "done")
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endif ()
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elseif("x${lang}" STREQUAL "xCUDA" AND COMMAND cmake_record_cuda_compile_features)
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message(CHECK_START "Detecting ${lang} compile features")
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