include(Compiler/Clang) | |
__compiler_clang(CXX) | |
set(CMAKE_CXX_COMPILE_OPTIONS_EXPLICIT_LANGUAGE -x c++) | |
if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC") | |
if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER) | |
AND CMAKE_GENERATOR MATCHES "Makefiles" | |
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_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden") | |
endif() | |
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.0) | |
set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98") | |
set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98") | |
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") | |
endif() | |
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.1) | |
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++14") | |
set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14") | |
set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON) | |
elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1) | |
# AppleClang 5.0 knows this flag, but does not set a __cplusplus macro greater than 201103L | |
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++1y") | |
set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y") | |
set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON) | |
endif() | |
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.0) | |
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 6.1) | |
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++1z") | |
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z") | |
endif() | |
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0) | |
set(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT ON) | |
endif() | |
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13.0) | |
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++20") | |
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++20") | |
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.0) | |
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++2a") | |
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a") | |
endif() | |
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13.0) | |
set(CMAKE_CXX23_STANDARD_COMPILE_OPTION "-std=c++2b") | |
set(CMAKE_CXX23_EXTENSION_COMPILE_OPTION "-std=gnu++2b") | |
endif() | |
__compiler_check_default_language_standard(CXX 4.0 98) |