1 files changed, 12 insertions, 0 deletions
diff --git a/lib/rubygems.rb b/lib/rubygems.rb
index 7ad35c0c4c..1c84356bd7 100644
--- a/lib/rubygems.rb
+++ b/lib/rubygems.rb
@@ -439,6 +439,18 @@ module Gem
   end
 
   ##
+  # The extension API version of ruby.  This includes the static vs non-static
+  # distinction as extensions cannot be shared between the two.
+
+  def self.extension_api_version # :nodoc:
+    if 'no' == RbConfig::CONFIG['ENABLE_SHARED'] then
+      "#{ruby_api_version}-static"
+    else
+      ruby_api_version
+    end
+  end
+
+  ##
   # Returns a list of paths matching +glob+ that can be used by a gem to pick
   # up features from other gems.  For example:
   #