| include(Compiler/Clang) |
| __compiler_clang(OBJCXX) |
| |
| if("x${CMAKE_OBJCXX_COMPILER_FRONTEND_VARIANT}" STREQUAL "xGNU") |
| if(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 2.1) |
| set(CMAKE_OBJCXX98_STANDARD_COMPILE_OPTION "-std=c++98") |
| set(CMAKE_OBJCXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98") |
| endif() |
| |
| if(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 3.1) |
| set(CMAKE_OBJCXX98_STANDARD__HAS_FULL_SUPPORT ON) |
| set(CMAKE_OBJCXX11_STANDARD_COMPILE_OPTION "-std=c++11") |
| set(CMAKE_OBJCXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11") |
| set(CMAKE_OBJCXX11_STANDARD__HAS_FULL_SUPPORT ON) |
| elseif(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 2.1) |
| set(CMAKE_OBJCXX11_STANDARD_COMPILE_OPTION "-std=c++0x") |
| set(CMAKE_OBJCXX11_EXTENSION_COMPILE_OPTION "-std=gnu++0x") |
| endif() |
| |
| if(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 3.5) |
| set(CMAKE_OBJCXX14_STANDARD_COMPILE_OPTION "-std=c++14") |
| set(CMAKE_OBJCXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14") |
| set(CMAKE_OBJCXX14_STANDARD__HAS_FULL_SUPPORT ON) |
| elseif(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 3.4) |
| set(CMAKE_OBJCXX14_STANDARD_COMPILE_OPTION "-std=c++1y") |
| set(CMAKE_OBJCXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y") |
| set(CMAKE_OBJCXX14_STANDARD__HAS_FULL_SUPPORT ON) |
| endif() |
| |
| set(_clang_version_std17 5.0) |
| |
| if (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS "${_clang_version_std17}") |
| set(CMAKE_OBJCXX17_STANDARD_COMPILE_OPTION "-std=c++17") |
| set(CMAKE_OBJCXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17") |
| elseif (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 3.5) |
| set(CMAKE_OBJCXX17_STANDARD_COMPILE_OPTION "-std=c++1z") |
| set(CMAKE_OBJCXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z") |
| endif() |
| |
| if (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS "${_clang_version_std17}") |
| set(CMAKE_OBJCXX20_STANDARD_COMPILE_OPTION "-std=c++2a") |
| set(CMAKE_OBJCXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a") |
| endif() |
| |
| unset(_clang_version_std17) |
| |
| __compiler_check_default_language_standard(OBJCXX 2.1 98) |
| elseif(CMAKE_OBJCXX_COMPILER_VERSION VERSION_GREATER_EQUAL 3.9 |
| AND CMAKE_OBJCXX_SIMULATE_VERSION VERSION_GREATER_EQUAL 19.0) |
| # This version of clang-cl and the MSVC version it simulates have |
| # support for -std: flags. |
| set(CMAKE_OBJCXX98_STANDARD_COMPILE_OPTION "") |
| set(CMAKE_OBJCXX98_EXTENSION_COMPILE_OPTION "") |
| set(CMAKE_OBJCXX98_STANDARD__HAS_FULL_SUPPORT ON) |
| set(CMAKE_OBJCXX11_STANDARD_COMPILE_OPTION "") |
| set(CMAKE_OBJCXX11_EXTENSION_COMPILE_OPTION "") |
| set(CMAKE_OBJCXX14_STANDARD_COMPILE_OPTION "-std:c++14") |
| set(CMAKE_OBJCXX14_EXTENSION_COMPILE_OPTION "-std:c++14") |
| if (CMAKE_OBJCXX_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0) |
| set(CMAKE_OBJCXX17_STANDARD_COMPILE_OPTION "-std:c++17") |
| set(CMAKE_OBJCXX17_EXTENSION_COMPILE_OPTION "-std:c++17") |
| set(CMAKE_OBJCXX20_STANDARD_COMPILE_OPTION "-std:c++latest") |
| set(CMAKE_OBJCXX20_EXTENSION_COMPILE_OPTION "-std:c++latest") |
| else() |
| set(CMAKE_OBJCXX17_STANDARD_COMPILE_OPTION "-std:c++latest") |
| set(CMAKE_OBJCXX17_EXTENSION_COMPILE_OPTION "-std:c++latest") |
| endif() |
| |
| __compiler_check_default_language_standard(OBJCXX 3.9 14) |
| endif() |