From 71cb8ce3a1e1c41ffcd43760609defc574d2a65b Mon Sep 17 00:00:00 2001 From: Brad King Date: Mon, 26 Mar 2018 14:27:12 -0400 Subject: Features: Activate C++ 20 support for GNU 8.0+ --- Modules/Compiler/GNU-CXX.cmake | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Modules/Compiler/GNU-CXX.cmake b/Modules/Compiler/GNU-CXX.cmake index 0b15d25..0058223 100644 --- a/Modules/Compiler/GNU-CXX.cmake +++ b/Modules/Compiler/GNU-CXX.cmake @@ -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) -- cgit v0.12