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Clang/MSVC: C++20 final flag, C++23 support

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Added in LLVM commit a8f75d497daa2684a03909d7c31d5bce11b427e1, will be released
in 13.0.
This commit is contained in:
Raul Tambre 2021-05-29 19:41:03 +03:00
parent 3aaf1d91bf
commit 886e27062b
1 changed files with 12 additions and 3 deletions
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15
Modules/Compiler/Clang.cmake
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@ -194,16 +194,25 @@ macro(__compiler_clang_cxx_standards lang)
set(CMAKE_${lang}11_EXTENSION_COMPILE_OPTION "")
set(CMAKE_${lang}14_STANDARD_COMPILE_OPTION "-std:c++14")
set(CMAKE_${lang}14_EXTENSION_COMPILE_OPTION "-std:c++14")
if (CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0)
if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0)
set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std:c++17")
set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std:c++17")
set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std:c++latest")
set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std:c++latest")
else()
set(CMAKE_${lang}17_STANDARD_COMPILE_OPTION "-std:c++latest")
set(CMAKE_${lang}17_EXTENSION_COMPILE_OPTION "-std:c++latest")
endif()
if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 13.0)
set(CMAKE_${lang}23_STANDARD_COMPILE_OPTION "-std:c++latest")
set(CMAKE_${lang}23_EXTENSION_COMPILE_OPTION "-std:c++latest")
set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std:c++20")
set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std:c++20")
elseif(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0)
set(CMAKE_${lang}20_STANDARD_COMPILE_OPTION "-std:c++latest")
set(CMAKE_${lang}20_EXTENSION_COMPILE_OPTION "-std:c++latest")
endif()
__compiler_check_default_language_standard(${lang} 3.9 14)
else()
# This version of clang-cl, or the MSVC version it simulates, does not have