blob: 0448965eed6ceca3021897ef151d03c6664f2007 [file] [log] [blame]
include(Compiler/Clang)
__compiler_clang(C)
cmake_policy(GET CMP0025 appleClangPolicy)
if(APPLE AND NOT appleClangPolicy STREQUAL NEW)
return()
endif()
if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
if(NOT "x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC")
set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c90")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu90")
set(CMAKE_C90_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_C99_STANDARD_COMPILE_OPTION "-std=c99")
set(CMAKE_C99_EXTENSION_COMPILE_OPTION "-std=gnu99")
set(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c11")
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu11")
set(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT ON)
else()
# clang-cl doesn't have any of these
set(CMAKE_C90_STANDARD_COMPILE_OPTION "")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "")
set(CMAKE_C90_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_C99_STANDARD_COMPILE_OPTION "")
set(CMAKE_C99_EXTENSION_COMPILE_OPTION "")
set(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT ON)
set(CMAKE_C11_STANDARD_COMPILE_OPTION "")
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "")
set(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT ON)
endif()
endif()
if(NOT "x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC")
__compiler_check_default_language_standard(C 3.4 99 3.6 11)
else()
set(CMAKE_C_STANDARD_DEFAULT "")
endif()