1--- a/src/ruby/ext/grpc/extconf.rb
2+++ b/src/ruby/ext/grpc/extconf.rb
3@@ -27,6 +27,7 @@ ENV['MACOSX_DEPLOYMENT_TARGET'] = '10.7'
4 if ENV['AR'].nil? || ENV['AR'].size == 0
5 ENV['AR'] = RbConfig::CONFIG['AR'] + ' rcs'
6 end
7+ENV['AR'] = ENV['AR'] + ' rcs'
8 if ENV['CC'].nil? || ENV['CC'].size == 0
9 ENV['CC'] = RbConfig::CONFIG['CC']
10 end