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include(Compiler/Clang-OBJC)
if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
AND CMAKE_GENERATOR MATCHES "Makefiles"
AND CMAKE_DEPFILE_FLAGS_OBJC)
# dependencies are computed by the compiler itself
set(CMAKE_OBJC_DEPFILE_FORMAT gcc)
set(CMAKE_OBJC_DEPENDS_USE_COMPILER TRUE)
endif()
if(NOT CMAKE_OBJC_COMPILER_VERSION VERSION_LESS 4.0)
set(CMAKE_OBJC90_STANDARD_COMPILE_OPTION "-std=c90")
set(CMAKE_OBJC90_EXTENSION_COMPILE_OPTION "-std=gnu90")
set(CMAKE_OBJC90_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_OBJC99_STANDARD_COMPILE_OPTION "-std=c99")
set(CMAKE_OBJC99_EXTENSION_COMPILE_OPTION "-std=gnu99")
set(CMAKE_OBJC99_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_OBJC11_STANDARD_COMPILE_OPTION "-std=c11")
set(CMAKE_OBJC11_EXTENSION_COMPILE_OPTION "-std=gnu11")
set(CMAKE_OBJC11_STANDARD__HAS_FULL_SUPPORT ON)
endif()
# AppleClang 10.0 was the oldest compiler available to test C17 support
if(NOT CMAKE_OBJC_COMPILER_VERSION VERSION_LESS 10.0)
set(CMAKE_OBJC17_STANDARD_COMPILE_OPTION "-std=c17")
set(CMAKE_OBJC17_EXTENSION_COMPILE_OPTION "-std=gnu17")
set(CMAKE_OBJC17_STANDARD__HAS_FULL_SUPPORT ON)
endif()
if(NOT CMAKE_OBJC_COMPILER_VERSION VERSION_LESS 11.0)
set(CMAKE_OBJC23_STANDARD_COMPILE_OPTION "-std=c2x")
set(CMAKE_OBJC23_EXTENSION_COMPILE_OPTION "-std=gnu2x")
set(CMAKE_OBJC23_STANDARD__HAS_FULL_SUPPORT ON)
endif()
# AppleClang 10.0 was the oldest compiler available to test default C11 support
__compiler_check_default_language_standard(OBJC 4.0 99 10.0 11)
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