[Installer] Configure ARC on all build configurations of the Pods proj.

Closes #1454

CHANGELOG.md

@@ -12,6 +12,11 @@ To install or update CocoaPods see this [guide](http://docs.cocoapods.org/guides
   [Kyle Fuller](https://github.com/kylef)
   [#1456](https://github.com/CocoaPods/CocoaPods/issues/1456)
 
+* The Pods project now properly configures ARC on all build configurations.  
+  [Fabio Pelosin](https://github.com/irrationalfab)
+  [#1454](https://github.com/CocoaPods/CocoaPods/issues/1454)
+
+
 ## 0.26.1
 [CocoaPods](https://github.com/CocoaPods/CocoaPods/compare/0.25.0...0.26.0)
 • [cocoapods-core](https://github.com/CocoaPods/Core/compare/0.25.0...0.26.0)

lib/cocoapods/installer.rb

@@ -310,6 +310,7 @@ module Pod
           build_configuration.build_settings['MACOSX_DEPLOYMENT_TARGET'] = osx_deployment_target.to_s if osx_deployment_target
           build_configuration.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = ios_deployment_target.to_s if ios_deployment_target
           build_configuration.build_settings['STRIP_INSTALLED_PRODUCT'] = 'NO'
+          build_configuration.build_settings['CLANG_ENABLE_OBJC_ARC'] = 'NO'
         end
       end
     end

lib/cocoapods/project.rb

@@ -19,16 +19,6 @@ module Pod
       @refs_by_absolute_path = {}
       @pods = new_group('Pods')
       @development_pods = new_group('Development Pods')
-      set_cocoapods_defaults
-    end
-
-    # @return [void] Prepares the project with the build settings used by
-    #         CocoaPods.
-    #
-    def set_cocoapods_defaults
-      build_configurations.each do |configuration|
-        configuration.build_settings['CLANG_ENABLE_OBJC_ARC'] = 'NO'
-      end
     end
 
     # @return [PBXGroup] The group for the support files of the aggregate

spec/unit/project_spec.rb

@@ -23,12 +23,6 @@ module Pod
         @project.development_pods.name.should == 'Development Pods'
       end
 
-      it "sets the default build settings of CocoaPods" do
-        @project.build_configurations.each do |configuration|
-          configuration.build_settings['CLANG_ENABLE_OBJC_ARC'].should== 'NO'
-        end
-      end
-
     end
 
     #-------------------------------------------------------------------------#