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Features: Activate C++ 20 support for GNU 8.0+

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This commit is contained in:
Brad King 2018-03-26 14:27:12 -04:00
parent 8f146c4508
commit 71cb8ce3a1
1 changed files with 5 additions and 0 deletions
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5
Modules/Compiler/GNU-CXX.cmake
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@ -41,4 +41,9 @@ elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1)
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++2a")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
endif()
__compiler_check_default_language_standard(CXX 3.4 98 6.0 14)