1include(Compiler/Clang-OBJCXX)
2
3
4if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
5    AND CMAKE_GENERATOR MATCHES "Makefiles"
6    AND CMAKE_DEPFILE_FLAGS_OBJCXX)
7  # dependencies are computed by the compiler itself
8  set(CMAKE_OBJCXX_DEPFILE_FORMAT gcc)
9  set(CMAKE_OBJCXX_DEPENDS_USE_COMPILER TRUE)
10endif()
11
12
13set(CMAKE_OBJCXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
14
15if(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 4.0)
16  set(CMAKE_OBJCXX98_STANDARD_COMPILE_OPTION "-std=c++98")
17  set(CMAKE_OBJCXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
18  set(CMAKE_OBJCXX98_STANDARD__HAS_FULL_SUPPORT ON)
19
20  set(CMAKE_OBJCXX11_STANDARD_COMPILE_OPTION "-std=c++11")
21  set(CMAKE_OBJCXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
22endif()
23
24if(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 6.1)
25  set(CMAKE_OBJCXX14_STANDARD_COMPILE_OPTION "-std=c++14")
26  set(CMAKE_OBJCXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
27  set(CMAKE_OBJCXX14_STANDARD__HAS_FULL_SUPPORT ON)
28elseif(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 5.1)
29  # AppleClang 5.0 knows this flag, but does not set a __cplusplus macro greater than 201103L
30  set(CMAKE_OBJCXX14_STANDARD_COMPILE_OPTION "-std=c++1y")
31  set(CMAKE_OBJCXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
32  set(CMAKE_OBJCXX14_STANDARD__HAS_FULL_SUPPORT ON)
33endif()
34
35if (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 10.0)
36  set(CMAKE_OBJCXX17_STANDARD_COMPILE_OPTION "-std=c++17")
37  set(CMAKE_OBJCXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17")
38elseif (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 6.1)
39  set(CMAKE_OBJCXX17_STANDARD_COMPILE_OPTION "-std=c++1z")
40  set(CMAKE_OBJCXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
41endif()
42
43if (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 8.0)
44    set(CMAKE_OBJCXX11_STANDARD__HAS_FULL_SUPPORT ON)
45endif()
46
47if (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 10.0)
48  set(CMAKE_OBJCXX20_STANDARD_COMPILE_OPTION "-std=c++2a")
49  set(CMAKE_OBJCXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
50endif()
51
52__compiler_check_default_language_standard(OBJCXX 4.0 98)
53