From 74cf0207dc60adb8702e2e861a7a5048bbab55ef Mon Sep 17 00:00:00 2001
From: Nils Wentzell <nwentzell@flatironinstitute.org>
Date: Fri, 22 Jan 2021 14:49:22 -0500
Subject: [PATCH] Do not warn about c++20 extensions when using clang

---
 CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9d7a0ed2..333d0cc9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -110,10 +110,12 @@ target_compile_options(${PROJECT_NAME}_warnings
     $<$<CXX_COMPILER_ID:Clang>:-Wno-unknown-warning-option>
     $<$<CXX_COMPILER_ID:Clang>:-Wshadow>
     $<$<CXX_COMPILER_ID:Clang>:-Wno-gcc-compat>
+    $<$<CXX_COMPILER_ID:Clang>:-Wno-c++20-extensions>
     $<$<CXX_COMPILER_ID:AppleClang>:-Wno-deprecated-comma-subscript>
     $<$<CXX_COMPILER_ID:AppleClang>:-Wno-unknown-warning-option>
     $<$<CXX_COMPILER_ID:AppleClang>:-Wshadow>
     $<$<CXX_COMPILER_ID:AppleClang>:-Wno-gcc-compat>
+    $<$<CXX_COMPILER_ID:AppleClang>:-Wno-c++20-extensions>
 )
 
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