Add the library to the Frameworks group when configuring the app project.

bin/pod

 #!/usr/bin/env macruby
 
 if $0 == __FILE__
+  require 'rubygems'
+  gem 'activesupport', '~> 3.1.1'
   $:.unshift File.expand_path('../../lib', __FILE__)
 end
 

lib/cocoapods/installer.rb

@@ -214,6 +214,7 @@ module Pod
       end
       
       libfile = app_project.files.new_static_library('Pods')
+      libfile.group = app_project.main_group.groups.find { |g| g.name == 'Frameworks' }
       app_project.objects.select_by_class(Xcode::Project::PBXFrameworksBuildPhase).each do |build_phase|
         build_phase.files << libfile.buildFiles.new
       end

spec/unit/podfile_spec.rb

@@ -18,9 +18,9 @@ describe "Pod::Podfile" do
     podfile.dependency_by_name('SSZipArchive').should == Pod::Dependency.new('SSZipArchive', '>= 0.1')
   end
 
-  it "specifies if BridgeSupport metadata should be generated" do
-    podfile = Pod::Podfile.new { generate_bridge_support! }
-    podfile.generate_bridge_support?.should == true
+  it "specifies that BridgeSupport metadata should be generated" do
+    Pod::Podfile.new {}.should.not.generate_bridge_support
+    Pod::Podfile.new { generate_bridge_support! }.should.generate_bridge_support
   end
 
   describe "concerning targets (dependency groups)" do