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AppleClang: Add C++20 and C++23 flags

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Follow up commit 886e27062b (Clang/MSVC: C++20 final flag, C++23
support, 2021-05-29, v3.20.4~7^2) with support for AppleClang.
This commit is contained in:
Ken Matsui
2022-03-11 07:51:25 -05:00
committed by Brad King
parent 33ed5b97fe
commit 683e4e9cab
1 changed files with 9 additions and 1 deletions
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10
Modules/Compiler/AppleClang-CXX.cmake
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@@ -47,9 +47,17 @@ if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
set(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT ON)
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.0)
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13.0)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++20")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++20")
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 10.0)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++2a")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13.0)
set(CMAKE_CXX23_STANDARD_COMPILE_OPTION "-std=c++2b")
set(CMAKE_CXX23_EXTENSION_COMPILE_OPTION "-std=gnu++2b")
endif()
__compiler_check_default_language_standard(CXX 4.0 98)