Support framework as type for generated target

lib/cocoapods/installer/analyzer.rb

@@ -189,6 +189,7 @@ module Pod
             user_project = Xcodeproj::Project.open(project_path)
             native_targets = compute_user_project_targets(target_definition, user_project)
 
+            target.host_requires_framework |= compute_user_project_targets_require_framework(native_targets)
             target.user_project_path = project_path
             target.client_root = project_path.dirname
             target.user_target_uuids = native_targets.map(&:uuid)
@@ -211,6 +212,7 @@ module Pod
           # Create a target for each spec group and add it to the aggregate target
           grouped_specs.each do |pod_specs|
             pod_target = PodTarget.new(pod_specs, target_definition, sandbox)
+            pod_target.host_requires_framework |= target.host_requires_framework
             if config.integrate_targets?
               pod_target.user_build_configurations = target.user_build_configurations
               pod_target.archs = @archs_by_target_def[target_definition]
@@ -518,6 +520,22 @@ module Pod
         end
       end
 
+      # Checks if any of the targets for the {TargetDefinition} computed before
+      # by #compute_user_project_targets require to be build as a framework due
+      # the presence of Swift source code in any of the source build phases.
+      #
+      # @param  [Array<PBXNativeTarget>] native_targets
+      #         the targets which are checked for presence of Swift source code
+      #
+      # @return [Boolean] Whether the user project targets to integrate into
+      #         uses Swift
+      #
+      def compute_user_project_targets_require_framework(native_targets)
+        native_targets.any? do |target|
+          target.source_build_phase.files.any? { |f| f.file_ref.last_known_file_type == 'sourcecode.swift' }
+        end
+      end
+
       # @return [Hash{String=>Symbol}] A hash representing the user build
       #         configurations where each key corresponds to the name of a
       #         configuration and its value to its type (`:debug` or `:release`).

lib/cocoapods/installer/target_installer.rb

@@ -36,10 +36,11 @@ module Pod
       # @return [void]
       #
       def add_target
+        product_type = target.requires_framework? ? :framework : :static_library
         name = target.label
         platform = target.platform.name
         deployment_target = target.platform.deployment_target.to_s
-        @native_target = project.new_target(:static_library, name, platform, deployment_target)
+        @native_target = project.new_target(product_type, name, platform, deployment_target)
 
         target.user_build_configurations.each do |bc_name, type|
           configuration = @native_target.add_build_configuration(bc_name, type)

lib/cocoapods/target.rb

@@ -15,6 +15,12 @@ module Pod
     #
     attr_reader :sandbox
 
+    # @return [Boolean] Whether the target needs to be implemented as a framework.
+    #         Computed by analyzer.
+    #
+    attr_accessor :host_requires_framework
+    alias_method :host_requires_framework?, :host_requires_framework
+
     # @return [String] the name of the library.
     #
     def name
@@ -41,6 +47,20 @@ module Pod
 
     #-------------------------------------------------------------------------#
 
+    # @return [Boolean] whether the generated target need to be implemented
+    #         as a framework
+    #
+    # @note This applies either if Swift was used by the host, which was checked
+    #       eagerly by the analyzer before, or in the given target or its
+    #       dependents, which can only be checked after the specs were been
+    #       fetched.
+    #
+    def requires_framework?
+      host_requires_framework? || uses_swift?
+    end
+
+    #-------------------------------------------------------------------------#
+
     # @!group Information storage
 
     # @return [Hash{String=>Symbol}] A hash representing the user build

spec/unit/target/aggregate_target_spec.rb

@@ -127,6 +127,26 @@ module Pod
         it 'returns that it does not use swift' do
           @target.uses_swift?.should == false
         end
+
+        describe 'Host requires frameworks' do
+          before do
+            @target.host_requires_framework = true
+          end
+
+          it 'returns that it requires being built as framework' do
+            @target.requires_framework?.should == true
+          end
+        end
+
+        describe 'Host does not requires frameworks' do
+          it 'returns :static_library as product type' do
+            @target.product_type.should == :static_library
+          end
+
+          it 'returns that it does not require being built as framework' do
+            @target.requires_framework?.should == false
+          end
+        end
       end
 
       describe 'With frameworks' do
@@ -139,6 +159,10 @@ module Pod
         it 'returns that it uses swift' do
           @target.uses_swift?.should == true
         end
+
+        it 'returns that it requires being built as framework' do
+          @target.requires_framework?.should == true
+        end
       end
     end
   end

spec/unit/target/pod_target_spec.rb

@@ -111,6 +111,22 @@ module Pod
         it 'returns that it does not use swift' do
           @pod_target.uses_swift?.should == false
         end
+
+        describe 'Host requires frameworks' do
+          before do
+            @pod_target.host_requires_framework = true
+          end
+
+          it 'returns that it requires being built as framework' do
+            @pod_target.requires_framework?.should == true
+          end
+        end
+
+        describe 'Host does not requires frameworks' do
+          it 'returns that it does not require being built as framework' do
+            @pod_target.requires_framework?.should == false
+          end
+        end
       end
 
       describe 'With frameworks' do
@@ -121,6 +137,10 @@ module Pod
         it 'returns that it uses swift' do
           @pod_target.uses_swift?.should == true
         end
+
+        it 'returns that it requires being built as framework' do
+          @pod_target.requires_framework?.should == true
+        end
       end
     end