1 # Distributed under the OSI-approved BSD 3-Clause License. See accompanying
2 # file Copyright.txt or https://cmake.org/licensing for details.
4 include(Compiler/CMakeCommonCompilerMacros)
6 set(CMAKE_CXX_CLANG_TIDY_DRIVER_MODE "cl")
8 if ((CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.0.24215.1 AND
9 CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.10) OR
10 CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.10.25017)
12 # VS 2015 Update 3 and above support language standard level flags,
13 # with the default and minimum level being C++14.
14 set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
15 set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
16 set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
17 set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "")
18 set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "")
19 set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std:c++14")
20 set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std:c++14")
22 if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.11.25505)
23 set(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT ON)
24 set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON)
25 set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std:c++17")
26 set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std:c++17")
28 set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std:c++latest")
29 set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std:c++latest")
32 if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.29.30129)
33 set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std:c++20")
34 set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std:c++20")
35 set(CMAKE_CXX23_STANDARD_COMPILE_OPTION "-std:c++latest")
36 set(CMAKE_CXX23_EXTENSION_COMPILE_OPTION "-std:c++latest")
37 elseif(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.12.25835)
38 set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std:c++latest")
39 set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std:c++latest")
42 __compiler_check_default_language_standard(CXX 19.0 14)
44 elseif (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 16.0)
45 # MSVC has no specific options to set language standards, but set them as
46 # empty strings anyways so the feature test infrastructure can at least check
47 # to see if they are defined.
48 set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
49 set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
50 set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "")
51 set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "")
52 set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "")
53 set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "")
54 set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "")
55 set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "")
56 set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "")
57 set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "")
59 # There is no meaningful default for this
60 set(CMAKE_CXX_STANDARD_DEFAULT "")
62 # There are no compiler modes so we only need to test features once.
63 # Override the default macro for this special case. Pretend that
64 # all language standards are available so that at least compilation
66 macro(cmake_record_cxx_compile_features)
67 list(APPEND CMAKE_CXX_COMPILE_FEATURES
75 _record_compiler_features(CXX "" CMAKE_CXX_COMPILE_FEATURES)
79 # /JMC "Just My Code" is only supported by MSVC 19.05 onward.
80 if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.05)
81 set(CMAKE_CXX_COMPILE_OPTIONS_JMC "-JMC")