gem_extconf.rb in ruby-vpi-15.0.1 vs gem_extconf.rb in ruby-vpi-15.0.2

@@ -1,8 +1,12 @@
 ## This file is invoked by RubyGems to build the extension.
 
 require 'fileutils'
 
 system('rake build gem_config_inst') &&
-FileUtils.touch('Makefile')
+
+# create dummy makefile to appease RubyGems
+  File.open('Makefile', 'w') do |f|
+    f << %w[all install clean].map {|a| "#{a}:\n"}
+  end
 
 exit $?.exitstatus