diff --git a/build.sh b/build.sh
new file mode 100644
index 00000000..f75085ee
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,2 @@
+rake
+SDK_BETA=1 PLATFORMS_DIR=/Applications/Xcode45-DP1.app/Contents/Developer/Platforms rake
diff --git a/data/Rakefile b/data/Rakefile
index 29620436..373082b0 100644
--- a/data/Rakefile
+++ b/data/Rakefile
@@ -39,6 +39,8 @@ task :bridgesupport_files do
     rm_bs = "#{sdk_version}/BridgeSupport/RubyMotion.bridgesupport"
     cp 'RubyMotion.bridgesupport', rm_bs
 
+    next if ENV['SDK_BETA']
+
     Dir.glob(File.join(sdk_frameworks, '*.framework')).each do |framework_path|
       framework = File.basename(framework_path, '.framework')
       next if EXCLUDED_FRAMEWORKS.include?(framework)