lib/bundler/source/git.rb in bundler-1.12.0.pre.1 vs lib/bundler/source/git.rb in bundler-1.12.0.pre.2

@@ -220,9 +220,13 @@
         @allow_remote || @allow_cached
       end
 
     private
 
+      def build_extensions(installer)
+        super if Bundler.rubygems.spec_missing_extensions?(installer.spec)
+      end
+
       def serialize_gemspecs_in(destination)
         expanded_path = destination.expand_path(Bundler.root)
         Dir["#{expanded_path}/#{@glob}"].each do |spec_path|
           # Evaluate gemspecs and cache the result. Gemspecs
           # in git might require git or other dependencies.