Generate BridgeSupport if Specification#generate_bridge_support is used.

examples/MacRubySample/MacRubySample.xcodeproj/project.pbxproj

@@ -16,6 +16,7 @@
 		51657584144AFA12002A4EFA /* AppDelegate.rb in Resources */ = {isa = PBXBuildFile; fileRef = 51657583144AFA12002A4EFA /* AppDelegate.rb */; };
 		51657598144B2608002A4EFA /* Pods.xcconfig in Resources */ = {isa = PBXBuildFile; fileRef = 51657597144B2608002A4EFA /* Pods.xcconfig */; };
 		5165759B144B265B002A4EFA /* libPods.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 5165759A144B265B002A4EFA /* libPods.a */; };
+		516575F1144B498E002A4EFA /* Pods.bridgesupport in Resources */ = {isa = PBXBuildFile; fileRef = 516575F0144B498E002A4EFA /* Pods.bridgesupport */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -30,7 +31,8 @@
 		51657581144AFA12002A4EFA /* rb_main.rb */ = {isa = PBXFileReference; lastKnownFileType = text.script.ruby; path = rb_main.rb; sourceTree = "<group>"; };
 		51657583144AFA12002A4EFA /* AppDelegate.rb */ = {isa = PBXFileReference; lastKnownFileType = text.script.ruby; path = AppDelegate.rb; sourceTree = "<group>"; };
 		51657597144B2608002A4EFA /* Pods.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Pods.xcconfig; path = Pods/Pods.xcconfig; sourceTree = "<group>"; };
-		5165759A144B265B002A4EFA /* libPods.a */ = {isa = PBXFileReference; lastKnownFileType = file; name = libPods.a; path = Pods/build/Release/libPods.a; sourceTree = "<group>"; };
+		5165759A144B265B002A4EFA /* libPods.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libPods.a; path = Pods/build/Release/libPods.a; sourceTree = "<group>"; };
+		516575F0144B498E002A4EFA /* Pods.bridgesupport */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xml; name = Pods.bridgesupport; path = Pods/Pods.bridgesupport; sourceTree = SOURCE_ROOT; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -100,6 +102,7 @@
 		5165757C144AFA12002A4EFA /* Resources */ = {
 			isa = PBXGroup;
 			children = (
+				516575F0144B498E002A4EFA /* Pods.bridgesupport */,
 				5165757D144AFA12002A4EFA /* MainMenu.xib */,
 			);
 			name = Resources;
@@ -168,6 +171,7 @@
 				51657582144AFA12002A4EFA /* rb_main.rb in Resources */,
 				51657584144AFA12002A4EFA /* AppDelegate.rb in Resources */,
 				51657598144B2608002A4EFA /* Pods.xcconfig in Resources */,
+				516575F1144B498E002A4EFA /* Pods.bridgesupport in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

examples/MacRubySample/Podfile

 Pod::File.new do |f|
   f.platform = :osx
+  f.generate_bridge_support = true
   f.dependency 'ASIHTTPRequest'
+  f.dependency 'AFNetworking'
+  f.dependency 'CocoaLumberjack'
 end

lib/cocoapods.rb

@@ -4,24 +4,25 @@ module Pod
   class Informative < StandardError
   end
 
-  autoload :Command,       'cocoapods/command'
-  autoload :Config,        'cocoapods/config'
-  autoload :Dependency,    'cocoapods/dependency'
-  autoload :Downloader,    'cocoapods/downloader'
-  autoload :Executable,    'cocoapods/executable'
-  autoload :Installer,     'cocoapods/installer'
-  autoload :Resolver,      'cocoapods/resolver'
-  autoload :Source,        'cocoapods/source'
-  autoload :Spec,          'cocoapods/specification'
-  autoload :Specification, 'cocoapods/specification'
-  autoload :Version,       'cocoapods/version'
+  autoload :BridgeSupportGenerator, 'cocoapods/bridge_support_generator'
+  autoload :Command,                'cocoapods/command'
+  autoload :Config,                 'cocoapods/config'
+  autoload :Dependency,             'cocoapods/dependency'
+  autoload :Downloader,             'cocoapods/downloader'
+  autoload :Executable,             'cocoapods/executable'
+  autoload :Installer,              'cocoapods/installer'
+  autoload :Resolver,               'cocoapods/resolver'
+  autoload :Source,                 'cocoapods/source'
+  autoload :Spec,                   'cocoapods/specification'
+  autoload :Specification,          'cocoapods/specification'
+  autoload :Version,                'cocoapods/version'
 
   module Xcode
-    autoload :Config,      'cocoapods/xcode/config'
-    autoload :Project,     'cocoapods/xcode/project'
+    autoload :Config,               'cocoapods/xcode/config'
+    autoload :Project,              'cocoapods/xcode/project'
   end
 
-  autoload :Pathname,      'pathname'
+  autoload :Pathname,               'pathname'
 end
 
 class Pathname

lib/cocoapods/bridge_support_generator.rb

+module Pod
+  class BridgeSupportGenerator
+    include Config::Mixin
+
+    extend Executable
+    executable :gen_bridge_metadata
+
+    attr_reader :headers
+
+    def initialize(headers)
+      @headers = headers
+    end
+
+    def expanded_headers
+      headers.map { |header| config.project_pods_root + header }
+    end
+
+    def search_paths
+      expanded_headers.map { |header| "-I#{header.dirname}" }.uniq
+    end
+
+    def create_in(root)
+      puts "==> Generating BridgeSupport metadata file" unless config.silent?
+      cflags = "-c '#{search_paths.join(' ')}'"
+      output = "-o '#{root + 'Pods.bridgesupport'}'"
+      gen_bridge_metadata "#{cflags} #{output} #{expanded_headers.join(' ')}"
+    end
+  end
+end

lib/cocoapods/executable.rb

@@ -3,11 +3,13 @@ module Pod
     def executable(name)
       define_method(name) do |command|
         if Config.instance.verbose?
+          puts "#{name} #{command}"
           `#{name} #{command} 1>&2`
         else
           `#{name} #{command} 2> /dev/null`
         end
       end
+      private name
     end
   end
 end

lib/cocoapods/installer.rb

@@ -45,7 +45,7 @@ module Pod
 
         # Add header files to a `copy header build phase` for each destination
         # directory in the pod's header directory.
-        set.specification.copy_header_mappings.each do |header_dir, files|
+        spec.copy_header_mappings.each do |header_dir, files|
           copy_phase = xcodeproj.add_copy_header_build_phase(spec.name, header_dir)
           files.each do |file|
             group.add_source_file(file, copy_phase)
@@ -58,6 +58,12 @@ module Pod
       xcconfig.merge!('USER_HEADER_SEARCH_PATHS' => user_header_search_paths.sort.uniq.join(" "))
     end
 
+    def bridge_support_generator
+      BridgeSupportGenerator.new(build_specification_sets.map do |set|
+        set.specification.header_files
+      end.flatten)
+    end
+
     # TODO we need a spec that tests that all dependencies are first downloaded/installed
     # before #generate_project is called!
     def install!
@@ -66,8 +72,10 @@ module Pod
          set.specification.install!
       end
       generate_project
-      xcodeproj.create_in(config.project_pods_root)
-      xcconfig.create_in(config.project_pods_root)
+      root = config.project_pods_root
+      xcodeproj.create_in(root)
+      xcconfig.create_in(root)
+      bridge_support_generator.create_in(root) if @specification.generate_bridge_support
     end
   end
 end

lib/cocoapods/specification.rb

@@ -116,6 +116,8 @@ module Pod
 
     attr_accessor :platform
 
+    attr_accessor :generate_bridge_support
+
     # Not attributes
 
     include Config::Mixin