1include(Compiler/Clang)
2__compiler_clang(OBJC)
3
4if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
5    AND CMAKE_GENERATOR MATCHES "Makefiles|WMake"
6    AND CMAKE_DEPFILE_FLAGS_OBJC)
7  # dependencies are computed by the compiler itself
8  set(CMAKE_OBJC_DEPFILE_FORMAT gcc)
9  set(CMAKE_OBJC_DEPENDS_USE_COMPILER TRUE)
10endif()
11
12
13if(NOT CMAKE_OBJC_COMPILER_VERSION VERSION_LESS 3.4)
14  set(CMAKE_OBJC90_STANDARD_COMPILE_OPTION "-std=c90")
15  set(CMAKE_OBJC90_EXTENSION_COMPILE_OPTION "-std=gnu90")
16  set(CMAKE_OBJC90_STANDARD__HAS_FULL_SUPPORT ON)
17
18  set(CMAKE_OBJC99_STANDARD_COMPILE_OPTION "-std=c99")
19  set(CMAKE_OBJC99_EXTENSION_COMPILE_OPTION "-std=gnu99")
20  set(CMAKE_OBJC99_STANDARD__HAS_FULL_SUPPORT ON)
21
22  set(CMAKE_OBJC11_STANDARD_COMPILE_OPTION "-std=c11")
23  set(CMAKE_OBJC11_EXTENSION_COMPILE_OPTION "-std=gnu11")
24  set(CMAKE_OBJC11_STANDARD__HAS_FULL_SUPPORT ON)
25endif()
26
27if(NOT CMAKE_OBJC_COMPILER_VERSION VERSION_LESS 6.0)
28  set(CMAKE_OBJC17_STANDARD_COMPILE_OPTION "-std=c17")
29  set(CMAKE_OBJC17_EXTENSION_COMPILE_OPTION "-std=gnu17")
30  set(CMAKE_OBJC17_STANDARD__HAS_FULL_SUPPORT ON)
31endif()
32
33if(NOT CMAKE_OBJC_COMPILER_VERSION VERSION_LESS 9.0)
34  set(CMAKE_OBJC23_STANDARD_COMPILE_OPTION "-std=c2x")
35  set(CMAKE_OBJC23_EXTENSION_COMPILE_OPTION "-std=gnu2x")
36  set(CMAKE_OBJC23_STANDARD__HAS_FULL_SUPPORT ON)
37endif()
38
39__compiler_check_default_language_standard(OBJC 3.4 99 3.6 11)
40