gistfile1.diff

diff --git a/recipes/interpreter/ruby19.rake b/recipes/interpreter/ruby19.rake
index 755f644..9c68aac 100644
--- a/recipes/interpreter/ruby19.rake
+++ b/recipes/interpreter/ruby19.rake
@@ -73,9 +73,11 @@ namespace(:interpreter) do
     task :configure => [package.build_target, :compiler, *package.dependencies] do
       source_path = Pathname.new(File.expand_path(package.target))
       build_path = Pathname.new(File.expand_path(package.build_target))
-
       relative_path = source_path.relative_path_from(build_path)
 
+      # use RubyGems ruby definition as baseruby
+      ruby_impl = Gem.ruby
+
       # working with a checkout, generate configure
       unless File.exist?(File.join(package.target, 'configure'))
         cd package.target do
@@ -84,7 +86,7 @@ namespace(:interpreter) do
       end
 
       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}\" --prefix=#{File.join(RubyInstaller::ROOT, package.install_target)}\""
       end
     end