From 72efc3ff821a2ba3f9eeb7933831c5e54a5dfc0f Mon Sep 17 00:00:00 2001
From: Brian Buchalter <brian.buchalter@gusto.com>
Date: Tue, 8 Jun 2021 14:36:38 -0600
Subject: [PATCH] Build native extensions on M1

---
 ext/extconf.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ext/extconf.rb b/ext/extconf.rb
index 6d925dab..08781ca6 100644
--- a/ext/extconf.rb
+++ b/ext/extconf.rb
@@ -19,7 +19,9 @@
   $LDFLAGS << ' -static-libgcc -static-libstdc++'
 end
 
-if enable_config('march-tune-native', false)
+# darwin arm doesn't support native
+# see: https://github.com/sass/sassc-ruby/issues/222
+if enable_config('march-tune-native', false) && Gem::Platform.local.cpu != 'arm64'
   $CFLAGS << ' -march=native -mtune=native'
   $CXXFLAGS << ' -march=native -mtune=native'
 end