diff options
Diffstat (limited to 'Modules/Compiler/Clang-CXX.cmake')
| -rw-r--r-- | Modules/Compiler/Clang-CXX.cmake | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Modules/Compiler/Clang-CXX.cmake b/Modules/Compiler/Clang-CXX.cmake index 0372e18..bdb6d69 100644 --- a/Modules/Compiler/Clang-CXX.cmake +++ b/Modules/Compiler/Clang-CXX.cmake @@ -4,3 +4,46 @@ __compiler_clang(CXX) if(NOT CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC") set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden") endif() + +cmake_policy(GET CMP0025 appleClangPolicy) +if(WIN32 OR (APPLE AND NOT appleClangPolicy STREQUAL NEW)) + return() +endif() + +if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2.1) + set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98") + set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98") +endif() + +if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1) + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11") +elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2.1) + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++0x") +endif() + +if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4) + set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++1y") + set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++1y") +endif() + +set(CMAKE_CXX_STANDARD_DEFAULT 98) + +macro(cmake_record_cxx_compile_features) + macro(_get_clang_features std_version list) + record_compiler_features(CXX "-std=${std_version}" ${list}) + endmacro() + + if (UNIX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4) + _get_clang_features(c++1y CMAKE_CXX14_COMPILE_FEATURES) + if (_result EQUAL 0) + _get_clang_features(c++11 CMAKE_CXX11_COMPILE_FEATURES) + endif() + if (_result EQUAL 0) + _get_clang_features(c++98 CMAKE_CXX98_COMPILE_FEATURES) + endif() + else() + set(_result 0) + endif() +endmacro() |