| include(Compiler/GNU) |
| __compiler_gnu(CXX) |
| |
| |
| if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER) |
| AND CMAKE_GENERATOR MATCHES "Makefiles|WMake" |
| AND CMAKE_DEPFILE_FLAGS_CXX) |
| # dependencies are computed by the compiler itself |
| set(CMAKE_CXX_DEPFILE_FORMAT gcc) |
| set(CMAKE_CXX_DEPENDS_USE_COMPILER TRUE) |
| endif() |
| |
| set(CMAKE_CXX_COMPILE_OPTIONS_EXPLICIT_LANGUAGE -x c++) |
| |
| if (WIN32) |
| if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6) |
| set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fno-keep-inline-dllexport") |
| endif() |
| else() |
| if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.0) |
| set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden") |
| endif() |
| endif() |
| |
| if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4) |
| 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 4.7) |
| set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON) |
| 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 4.4) |
| # 4.3 supports 0x variants |
| 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 4.8.1) |
| set(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT ON) |
| endif() |
| |
| if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9) |
| set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++14") |
| set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14") |
| elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8) |
| set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++1y") |
| set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y") |
| endif() |
| |
| if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) |
| set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON) |
| endif() |
| |
| if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0) |
| set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++17") |
| set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17") |
| elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1) |
| set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++1z") |
| set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z") |
| endif() |
| |
| if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 11.1) |
| set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++20") |
| set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++20") |
| set(CMAKE_CXX23_STANDARD_COMPILE_OPTION "-std=c++23") |
| set(CMAKE_CXX23_EXTENSION_COMPILE_OPTION "-std=gnu++23") |
| elseif(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0) |
| set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++2a") |
| set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a") |
| endif() |
| |
| __compiler_check_default_language_standard(CXX 3.4 98 6.0 14 11.1 17) |