1 files changed, 9 insertions, 0 deletions
diff --git a/railties/lib/rails/generators/app_base.rb b/railties/lib/rails/generators/app_base.rb
index 40145a7a50..962cb5eb1b 100644
--- a/railties/lib/rails/generators/app_base.rb
+++ b/railties/lib/rails/generators/app_base.rb
@@ -110,6 +110,7 @@ module Rails
           javascript_gemfile_entry,
           jbuilder_gemfile_entry,
           sdoc_gemfile_entry,
+          platform_dependent_gemfile_entry,
           @extra_entries].flatten.find_all(&@gem_filter)
       end
 
@@ -316,6 +317,14 @@ module Rails
         gems
       end
 
+      def platform_dependent_gemfile_entry
+        gems = []
+        if RUBY_ENGINE == 'rbx'
+          gems << GemfileEntry.version('rubysl', nil)
+        end
+        gems
+      end
+
       def jbuilder_gemfile_entry
         comment = 'Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder'
         GemfileEntry.version('jbuilder', '~> 1.2', comment)