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Features: Activate C++ 20 support for Clang 5.0+

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This commit is contained in:
Brad King
2018-03-26 14:29:04 -04:00
parent 71cb8ce3a1
commit 7f295b1bd3
1 changed files with 5 additions and 0 deletions
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5
Modules/Compiler/Clang-CXX.cmake
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@@ -39,6 +39,11 @@ if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++1z")
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++2a")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
endif()
else()
# clang-cl does not know these options because it behaves like cl.exe
set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")