diff options
| -rw-r--r-- | Modules/Compiler/CMakeCommonCompilerMacros.cmake | 21 | ||||
| -rw-r--r-- | Modules/Internal/FeatureTesting.cmake | 11 |
2 files changed, 29 insertions, 3 deletions
diff --git a/Modules/Compiler/CMakeCommonCompilerMacros.cmake b/Modules/Compiler/CMakeCommonCompilerMacros.cmake index ad464c7..9c62e10 100644 --- a/Modules/Compiler/CMakeCommonCompilerMacros.cmake +++ b/Modules/Compiler/CMakeCommonCompilerMacros.cmake @@ -65,13 +65,28 @@ endmacro() macro(cmake_record_c_compile_features) set(_result 0) if(_result EQUAL 0 AND DEFINED CMAKE_C11_STANDARD_COMPILE_OPTION) - _record_compiler_features_c(11) + if(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT) + _has_compiler_features_c(11) + else() + _record_compiler_features_c(11) + endif() + unset(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT) endif() if(_result EQUAL 0 AND DEFINED CMAKE_C99_STANDARD_COMPILE_OPTION) - _record_compiler_features_c(99) + if(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT) + _has_compiler_features_c(99) + else() + _record_compiler_features_c(99) + endif() + unset(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT) endif() if(_result EQUAL 0 AND DEFINED CMAKE_C90_STANDARD_COMPILE_OPTION) - _record_compiler_features_c(90) + if(CMAKE_C90_STANDARD__HAS_FULL_SUPPORT) + _has_compiler_features_c(90) + else() + _record_compiler_features_c(90) + endif() + unset(CMAKE_C90_STANDARD__HAS_FULL_SUPPORT) endif() endmacro() diff --git a/Modules/Internal/FeatureTesting.cmake b/Modules/Internal/FeatureTesting.cmake index b9c20ec..f7b3e96 100644 --- a/Modules/Internal/FeatureTesting.cmake +++ b/Modules/Internal/FeatureTesting.cmake @@ -88,3 +88,14 @@ macro(_record_compiler_features_cxx std) endif() unset(lang_level_has_features) endmacro() + +macro(_has_compiler_features lang level compile_flags feature_list) + # presume all known features are supported + get_property(known_features GLOBAL PROPERTY CMAKE_${lang}${level}_KNOWN_FEATURES) + list(APPEND ${feature_list} ${known_features}) +endmacro() + +macro(_has_compiler_features_c std) + list(APPEND CMAKE_C${std}_COMPILE_FEATURES c_std_${std}) + _has_compiler_features(C ${std} "${CMAKE_C${std}_STANDARD_COMPILE_OPTION}" CMAKE_C${std}_COMPILE_FEATURES) +endmacro() |