Build RubyInstaller 1.9 with JRuby patch

0001-build-with-jruby.patch

diff --git a/recipes/interpreter/ruby19.rake b/recipes/interpreter/ruby19.rake
index 755f644..b63d1b8 100644
--- a/recipes/interpreter/ruby19.rake
+++ b/recipes/interpreter/ruby19.rake
@@ -83,8 +83,10 @@ namespace(:interpreter) do
         end
       end
 
+      ruby_impl = Gem.ruby
+
       cd package.build_target do
-        sh "sh -c \"#{relative_path}/configure #{package.configure_options.join(' ')} --enable-shared --prefix=#{File.join(RubyInstaller::ROOT, package.install_target)}\""
+        sh "sh -c \"#{relative_path}/configure #{package.configure_options.join(' ')} --with-baseruby=\"#{ruby_impl}\" --enable-shared --prefix=#{File.join(RubyInstaller::ROOT, package.install_target)}\""
       end
     end