From 9024fb632eb236727d057f6d9f98e2b3b30df212 Mon Sep 17 00:00:00 2001 From: Raul Tambre Date: Sat, 6 Feb 2021 18:20:19 +0200 Subject: Clang: C17 support Added in LLVM commit 5b6c0f75e01571851b767dc63a3229c962f464f1, available since Clang 6. Issue: #17755 --- Modules/Compiler/Clang-C.cmake | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Modules/Compiler/Clang-C.cmake b/Modules/Compiler/Clang-C.cmake index dc472d4..e620d7c 100644 --- a/Modules/Compiler/Clang-C.cmake +++ b/Modules/Compiler/Clang-C.cmake @@ -41,6 +41,11 @@ if(NOT "x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC") set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c1x") set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu1x") endif() + + if(CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0) + set(CMAKE_C17_STANDARD_COMPILE_OPTION "-std=c17") + set(CMAKE_C17_EXTENSION_COMPILE_OPTION "-std=gnu17") + endif() else() set(CMAKE_C90_STANDARD_COMPILE_OPTION "") set(CMAKE_C90_EXTENSION_COMPILE_OPTION "") @@ -48,6 +53,8 @@ else() set(CMAKE_C99_EXTENSION_COMPILE_OPTION "") set(CMAKE_C11_STANDARD_COMPILE_OPTION "") set(CMAKE_C11_EXTENSION_COMPILE_OPTION "") + set(CMAKE_C17_STANDARD_COMPILE_OPTION "") + set(CMAKE_C17_EXTENSION_COMPILE_OPTION "") endif() if(CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 2.1) -- cgit v0.12