From 0bc3e5788a669f16383a586fee4684e9a08488dc Mon Sep 17 00:00:00 2001 From: Brad King Date: Mon, 26 Mar 2018 14:21:41 -0400 Subject: Features: Use -std=c++17 for C++ 17 on GNU 8.0+ GNU 8 now documents official support for the `-std=c++17` flag. --- Modules/Compiler/GNU-CXX.cmake | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Modules/Compiler/GNU-CXX.cmake b/Modules/Compiler/GNU-CXX.cmake index 4f1f30e..0b15d25 100644 --- a/Modules/Compiler/GNU-CXX.cmake +++ b/Modules/Compiler/GNU-CXX.cmake @@ -33,7 +33,10 @@ elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8) set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y") endif() -if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1) +if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0) + set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++17") + set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17") +elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1) set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++1z") set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z") endif() -- cgit v0.12