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include(Compiler/Clang-OBJCXX)
if(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 4.0)
set(CMAKE_OBJCXX98_STANDARD_COMPILE_OPTION "-std=c++98")
set(CMAKE_OBJCXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
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")
endif()
if(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 6.1)
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 5.1)
# AppleClang 5.0 knows this flag, but does not set a __cplusplus macro greater than 201103L
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()
if (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 6.1)
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 8.0)
set(CMAKE_OBJCXX11_STANDARD__HAS_FULL_SUPPORT ON)
endif()
if (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 10.0)
set(CMAKE_OBJCXX20_STANDARD_COMPILE_OPTION "-std=c++2a")
set(CMAKE_OBJCXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
endif()
__compiler_check_default_language_standard(OBJCXX 4.0 98)
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