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GNU: Final C++20 flags

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Added in GCC commit fb26050409473f5be54465beca114b7e48de43aa, released in 11.1.
This commit is contained in:
Raul Tambre
2021-05-08 13:45:33 +03:00
committed by Brad King
parent 05f8c8178d
commit c9a1e06a18
1 changed files with 4 additions and 1 deletions
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5
Modules/Compiler/GNU-CXX.cmake
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@@ -61,7 +61,10 @@ 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)
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 11.1)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++20")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++20")
elseif(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0)
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++2a")
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
endif()