Never consider aggregate targets for integration. Fixes #729 & 784.

lib/cocoapods/installer/user_project_integrator.rb

@@ -112,6 +112,14 @@ module Pod
           @user_project ||= Xcodeproj::Project.new(user_project_path)
         end
 
+        # @return [Array<PBXNativeTarget>] Returns the user’s targets,
+        #                                  excluding aggregate targets.
+        def native_targets
+          user_project.targets.reject do |target|
+            target.is_a? Xcodeproj::Project::Object::PBXAggregateTarget
+          end
+        end
+
         # This returns a list of the targets from the user’s project to which
         # this Pods static library should be linked. If no explicit target was
         # specified, then the first encountered target is assumed.
@@ -122,28 +130,40 @@ module Pod
         # @return [Array<PBXNativeTarget>]  Returns the list of targets that
         #                                   the Pods lib should be linked with.
         def targets
-          @targets ||= begin
-          if link_with = @target_definition.link_with
+          if @targets.nil?
+            targets = nil
             # Find explicitly linked targets.
-            user_project.targets.select do |target|
+            if link_with = @target_definition.link_with
+              targets = native_targets.select do |target|
                 link_with.include? target.name
               end
+
+            # Otherwise try to find a target matching the name.
             elsif @target_definition.name != :default
-            # Find the target with the matching name.
-            target = user_project.targets.find { |target| target.name == @target_definition.name.to_s }
-            raise Informative, "Unable to find a target named `#{@target_definition.name.to_s}'" unless target
-            [target]
+              target = native_targets.find do |target|
+                target.name == @target_definition.name.to_s
+              end
+              unless target
+                raise Informative, "Unable to find a target named `#{@target_definition.name.to_s}'"
+              end
+              targets = [target]
+
+            # Default to the first target, which in a simple project is
+            # probably an app target.
             else
-            # Default to the first, which in a simple project is probably an app target.
-            [user_project.targets.first]
-          end.reject do |target|
-            # Reject any target that already has this Pods library in one of its frameworks build phases
+              targets = [native_targets.first]
+            end
+
+            # Reject any target that already has this Pods library in one of
+            # its frameworks build phases
+            @targets = targets.reject do |target|
               target.frameworks_build_phase.files.any? do |build_file|
                 file_ref = build_file.file_ref
                 !file_ref.proxy? && file_ref.display_name == @target_definition.lib_name
               end
             end
           end
+          @targets
         end
 
         def add_xcconfig_base_configuration

spec/fixtures/SampleProject/SampleProject.xcodeproj/project.pbxproj

@@ -6,6 +6,19 @@
 	objectVersion = 46;
 	objects = {
 
+/* Begin PBXAggregateTarget section */
+		51D6A8AB16C445B800E174E1 /* AggregateTarget */ = {
+			isa = PBXAggregateTarget;
+			buildConfigurationList = 51D6A8B116C445B800E174E1 /* Build configuration list for PBXAggregateTarget "AggregateTarget" */;
+			buildPhases = (
+			);
+			dependencies = (
+			);
+			name = AggregateTarget;
+			productName = AggregateTarget;
+		};
+/* End PBXAggregateTarget section */
+
 /* Begin PBXBuildFile section */
 		51075D4C1521D0C100E39B41 /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A346497114F9BE9A0080D870 /* UIKit.framework */; };
 		51075D4D1521D0C100E39B41 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A346497314F9BE9A0080D870 /* Foundation.framework */; };
@@ -224,6 +237,7 @@
 			targets = (
 				A346496C14F9BE9A0080D870 /* SampleProject */,
 				51075D491521D0C100E39B41 /* TestRunner */,
+				51D6A8AB16C445B800E174E1 /* AggregateTarget */,
 			);
 		};
 /* End PBXProject section */
@@ -421,6 +435,34 @@
 			};
 			name = "App Store";
 		};
+		51D6A8AC16C445B800E174E1 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Debug;
+		};
+		51D6A8AD16C445B800E174E1 /* Test */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Test;
+		};
+		51D6A8AE16C445B800E174E1 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Release;
+		};
+		51D6A8AF16C445B800E174E1 /* App Store */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = "App Store";
+		};
 		A346498314F9BE9A0080D870 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
@@ -502,6 +544,16 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
+		51D6A8B116C445B800E174E1 /* Build configuration list for PBXAggregateTarget "AggregateTarget" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				51D6A8AC16C445B800E174E1 /* Debug */,
+				51D6A8AD16C445B800E174E1 /* Test */,
+				51D6A8AE16C445B800E174E1 /* Release */,
+				51D6A8AF16C445B800E174E1 /* App Store */,
+			);
+			defaultConfigurationIsVisible = 0;
+		};
 		A346496714F9BE990080D870 /* Build configuration list for PBXProject "SampleProject" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (

spec/unit/installer/user_project_integrator_spec.rb

@@ -57,6 +57,11 @@ describe Pod::Installer::UserProjectIntegrator do
     lambda { @target_integrator.user_project_path }.should.raise Pod::Informative
   end
 
+  it "does not take aggregate targets into consideration" do
+    aggregate = Xcodeproj::Project::Object::PBXAggregateTarget
+    @target_integrator.native_targets.map(&:class).should.not.include aggregate
+  end
+
   it "uses the target with the same name if the name is different from `:default'" do
     target_integrator = @integrator.target_integrators[1]
     target_integrator.target_definition.stubs(:name).returns('TestRunner')