Gemfile in sym-2.0.0 vs Gemfile in sym-2.0.1

@@ -2,5 +2,10 @@
 
 # Specify your gem's dependencies in sym.gemspec
 gemspec
 
 gem 'ffi', :platforms => [:mswin, :mingw]
+
+if RUBY_PLATFORM == 'x86_64-darwin16'
+  gem 'coin', git: 'https://github.com/kigster/coin'
+end
+