Deduplicate pod targets

lib/cocoapods/generator/xcconfig/aggregate_xcconfig.rb

@@ -57,13 +57,19 @@ module Pod
 
           if target.requires_frameworks?
             # Framework headers are automatically discoverable by `#import <…>`.
-            header_search_paths = pod_targets.map { |target| "$PODS_FRAMEWORK_BUILD_PATH/#{target.product_name}/Headers" }
+            header_search_paths = pod_targets.map do |target|
+              if target.scoped?
+                "$PODS_FRAMEWORK_BUILD_PATH/#{target.product_name}/Headers"
+              else
+                "$CONFIGURATION_BUILD_DIR/#{target.product_name}/Headers"
+              end
+            end
             build_settings = {
               'PODS_FRAMEWORK_BUILD_PATH' => target.configuration_build_dir,
               # Make headers discoverable by `import "…"`
               'OTHER_CFLAGS' => '$(inherited) ' + XCConfigHelper.quote(header_search_paths, '-iquote'),
             }
-            if target.pod_targets.any?(&:should_build?)
+            if target.pod_targets.any? { |t| t.should_build? && t.scoped? }
               build_settings['FRAMEWORK_SEARCH_PATHS'] = '$(inherited) "$PODS_FRAMEWORK_BUILD_PATH"'
             end
             config.merge!(build_settings)

lib/cocoapods/generator/xcconfig/private_pod_xcconfig.rb

@@ -60,13 +60,13 @@ module Pod
             # 'USE_HEADERMAP' => 'NO'
           }
 
-          if target.requires_frameworks?
+          if target.requires_frameworks? && target.scoped?
             # Only quote the FRAMEWORK_SEARCH_PATHS entry, because it’s a setting that takes multiple values.
             # In addition, quoting CONFIGURATION_BUILD_DIR would make it be interpreted as a relative path.
             build_settings = {
               'PODS_FRAMEWORK_BUILD_PATH' => target.configuration_build_dir,
-              'CONFIGURATION_BUILD_DIR' => '$PODS_FRAMEWORK_BUILD_PATH',
               'FRAMEWORK_SEARCH_PATHS' => '"$PODS_FRAMEWORK_BUILD_PATH"',
+              'CONFIGURATION_BUILD_DIR' => '$PODS_FRAMEWORK_BUILD_PATH',
             }
             config.merge!(build_settings)
           end

lib/cocoapods/installer/analyzer.rb

@@ -220,7 +220,7 @@ module Pod
       def generate_targets
         targets = []
         result.specs_by_target.each do |target_definition, specs|
-          targets << generate_target(target_definition, specs)
+          targets << generate_target(target_definition, specs, targets.map(&:pod_targets).flatten)
         end
         targets
       end
@@ -234,9 +234,12 @@ module Pod
       #         the specifications that need to be installed grouped by the
       #         given target definition.
       #
+      # @param  [Array<PodTarget>] pod_targets
+      #         the pod targets, which were generated so far.
+      #
       # @return [AggregateTarget]
       #
-      def generate_target(target_definition, specs)
+      def generate_target(target_definition, specs, pod_targets)
         target = AggregateTarget.new(target_definition, sandbox)
         target.host_requires_frameworks |= target_definition.uses_frameworks?
 
@@ -259,7 +262,7 @@ module Pod
           end
         end
 
-        target.pod_targets = generate_pod_targets(target, specs)
+        target.pod_targets = generate_pod_targets(target, specs, pod_targets)
 
         target
       end
@@ -273,12 +276,29 @@ module Pod
       # @param  [Array<Specification>] specs
       #         the specifications that need to be installed.
       #
+      # @param  [Array<PodTarget>] pod_targets
+      #         the pod targets, which were generated so far.
+      #
       # @return [Array<PodTarget>]
       #
-      def generate_pod_targets(target, specs)
+      def generate_pod_targets(target, specs, pod_targets)
         grouped_specs = specs.group_by(&:root).values.uniq
         grouped_specs.map do |pod_specs|
-          generate_pod_target(target, pod_specs)
+          # If there are no or already multiple pod targets with a common root,
+          # or the one which exists differs in the activated subspec set, then
+          # we need to generate another pod target
+          root_spec = pod_specs.first.root
+          common_root_pod_targets = pod_targets.select { |t| t.root_spec == root_spec  }
+          if common_root_pod_targets.count != 1 || common_root_pod_targets.first.specs != pod_specs
+            pod_target = generate_pod_target(target, pod_specs)
+            unless common_root_pod_targets.empty?
+              common_root_pod_targets.each { |t| t.scoped = true }
+              pod_target.scoped = true
+            end
+            pod_target
+          else
+            common_root_pod_targets.first
+          end
         end
       end
 

lib/cocoapods/installer/target_installer/pod_target_installer.rb

@@ -130,7 +130,7 @@ module Pod
 
             bundle_target.build_configurations.each do |c|
               c.build_settings['PRODUCT_NAME'] = bundle_name
-              if target.requires_frameworks?
+              if target.requires_frameworks? && target.scoped?
                 c.build_settings['CONFIGURATION_BUILD_DIR'] = target.configuration_build_dir
               end
             end

lib/cocoapods/target/pod_target.rb

@@ -3,7 +3,7 @@ module Pod
   # A pod can have one or more activated spec/subspecs.
   #
   class PodTarget < Target
-    # @return [Specification] the spec for the target.
+    # @return [Array<Specification>] the spec and subspecs for the target.
     #
     attr_reader :specs
 
@@ -11,6 +11,12 @@ module Pod
     #
     attr_reader :build_headers
 
+    # @return [Bool] whether the target needs to be scoped by target definition,
+    #         because the spec is used with different subspec sets across them.
+    #
+    attr_accessor :scoped
+    alias_method :scoped?, :scoped
+
     # @param [Specification] spec @see spec
     # @param [TargetDefinition] target_definition @see target_definition
     # @param [Sandbox] sandbox @see sandbox
@@ -27,7 +33,11 @@ module Pod
     # @return [String] the label for the target.
     #
     def label
-      "#{target_definition.label}-#{root_spec.name}"
+      if scoped?
+        "#{target_definition.label}-#{root_spec.name}"
+      else
+        root_spec.name
+      end
     end
 
     # @return [String] The name to use for the source code module constructed

spec/unit/installer/analyzer_spec.rb

@@ -13,6 +13,11 @@ module Pod
           pod 'AFNetworking',                '1.0.1'
           pod 'SVPullToRefresh',             '0.4'
           pod 'libextobjc/EXTKeyPathCoding', '0.2.3'
+
+          target 'TestRunner' do
+            pod 'libextobjc/EXTKeyPathCoding', '0.2.3'
+            pod 'libextobjc/EXTSynthesize',    '0.2.3'
+          end
         end
 
         hash = {}
@@ -44,7 +49,7 @@ module Pod
 
       it 'computes the state of the Podfile respect to the Lockfile' do
         state = @analyzer.analyze.podfile_state
-        state.added.should     == %w(AFNetworking libextobjc/EXTKeyPathCoding)
+        state.added.should     == %w(AFNetworking libextobjc/EXTKeyPathCoding libextobjc/EXTSynthesize)
         state.changed.should   == %w()
         state.unchanged.should == %w(JSONKit SVPullToRefresh)
         state.deleted.should   == %w(NUI)
@@ -87,12 +92,12 @@ module Pod
 
       #--------------------------------------#
 
-      it 'generates the libraries which represent the target definitions' do
+      it 'generates the model to represent the target definitions' do
         target = @analyzer.analyze.targets.first
         target.pod_targets.map(&:name).sort.should == [
-          'Pods-JSONKit',
-          'Pods-AFNetworking',
-          'Pods-SVPullToRefresh',
+          'JSONKit',
+          'AFNetworking',
+          'SVPullToRefresh',
           'Pods-libextobjc',
         ].sort
         target.support_files_dir.should == config.sandbox.target_support_files_dir('Pods')
@@ -256,6 +261,7 @@ module Pod
           'JSONKit (1.5pre)',
           'SVPullToRefresh (0.4)',
           'libextobjc/EXTKeyPathCoding (0.2.3)',
+          'libextobjc/EXTSynthesize (0.2.3)',
         ]
       end
 
@@ -275,11 +281,18 @@ module Pod
       end
 
       it 'adds the specifications to the correspondent libraries' do
-        @analyzer.analyze.targets.first.pod_targets.map(&:specs).flatten.map(&:to_s).should == [
+        @analyzer.analyze.targets[0].pod_targets.map(&:specs).flatten.map(&:to_s).should == [
+          'AFNetworking (1.0.1)',
+          'JSONKit (1.5pre)',
+          'SVPullToRefresh (0.4)',
+          'libextobjc/EXTKeyPathCoding (0.2.3)',
+        ]
+        @analyzer.analyze.targets[1].pod_targets.map(&:specs).flatten.map(&:to_s).should == [
           'AFNetworking (1.0.1)',
           'JSONKit (1.5pre)',
           'SVPullToRefresh (0.4)',
           'libextobjc/EXTKeyPathCoding (0.2.3)',
+          'libextobjc/EXTSynthesize (0.2.3)',
         ]
       end