[Podfile] Add shortcut to access the podfile

lib/cocoapods/generator/xcconfig/xcconfig_helper.rb

@@ -33,7 +33,7 @@ module Pod
         #
         def self.default_ld_flags(target)
           ld_flags = '-ObjC'
-          if target.target_definition.podfile.set_arc_compatibility_flag? &&
+          if target.podfile.set_arc_compatibility_flag? &&
               target.spec_consumers.any?(&:requires_arc?)
             ld_flags << ' -fobjc-arc'
           end

lib/cocoapods/installer/target_installer/aggregate_target_installer.rb

@@ -81,7 +81,7 @@ module Pod
       # @return [void]
       #
       def create_bridge_support_file
-        if target_definition.podfile.generate_bridge_support?
+        if target.podfile.generate_bridge_support?
           path = target.bridge_support_path
           headers = native_target.headers_build_phase.files.map { |bf| sandbox.root + bf.file_ref.path }
           generator = Generator::BridgeSupport.new(headers)

lib/cocoapods/target/aggregate_target.rb

@@ -30,6 +30,12 @@ module Pod
       c99ext_identifier(label)
     end
 
+    # @return [Podfile] The podfile which declares the dependency
+    #
+    def podfile
+      target_definition.podfile
+    end
+
     # @return [Pathname] the folder where the client is stored used for
     #         computing the relative paths. If integrating it should be the
     #         folder where the user project is stored, otherwise it should

lib/cocoapods/target/pod_target.rb

@@ -48,6 +48,12 @@ module Pod
       end
     end
 
+    # @return [Podfile] The podfile which declares the dependency.
+    #
+    def podfile
+      target_definitions.first.podfile
+    end
+
     # @return [String] The name to use for the source code module constructed
     #         for this target, and which will be used to import the module in
     #         implementation source files.

spec/unit/generator/xcconfig/xcconfig_helper_spec.rb

@@ -13,17 +13,15 @@ module Pod
         describe '::default_ld_flags' do
           it 'returns the default linker flags' do
             podfile = stub(:set_arc_compatibility_flag? => false)
-            target_definition = stub(:podfile => podfile)
-            target = stub(:target_definition => target_definition)
+            target = stub(:podfile => podfile)
             result = @sut.default_ld_flags(target)
             result.should == '-ObjC'
           end
 
           it 'includes the ARC compatibility flag if required by the Podfile' do
             podfile = stub(:set_arc_compatibility_flag? => true)
-            target_definition = stub(:podfile => podfile)
             spec_consumer = stub(:requires_arc? => true)
-            target = stub(:target_definition => target_definition,  :spec_consumers => [spec_consumer])
+            target = stub(:podfile => podfile, :spec_consumers => [spec_consumer])
             result = @sut.default_ld_flags(target)
             result.should == '-ObjC -fobjc-arc'
           end