$OpenBSD$

Index: ext/extconf.rb
--- ext/extconf.rb.orig
+++ ext/extconf.rb
@@ -20,12 +20,12 @@ if enable_config('static-stdlib', false)
 end
 
 # Set to false when building binary gems
-if enable_config('march-tune-native', true)
+if enable_config('march-tune-native', false)
   $CFLAGS << ' -march=native -mtune=native'
   $CXXFLAGS << ' -march=native -mtune=native'
 end
 
-if enable_config('lto', true)
+if enable_config('lto', false)
   $CFLAGS << ' -flto'
   $CXXFLAGS << ' -flto'
   $LDFLAGS << ' -flto'
