[Project] Add preprocessor definition for build configurations

Gemfile.lock

@@ -18,7 +18,7 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/Xcodeproj.git
-  revision: 730a09310e986bb2ec5430ef303f8453537d01ac
+  revision: 7dd77ed01ce5e2cfddc2dc9307a8cfdf9ce78e52
   branch: master
   specs:
     xcodeproj (0.18.0)

lib/cocoapods/project.rb

@@ -193,6 +193,36 @@ module Pod
       podfile_ref
     end
 
+    # Adds a new build configuration to the project and populates its with
+    # default settings according to the provided type.
+    #
+    # @note   This method extends the original Xcodeproj implementation to
+    #         include a preprocessor definition named after the build
+    #         setting. This is done to support the TargetEnvironmentHeader
+    #         specification of Pods available only on certain build
+    #         configurations.
+    #
+    # @param  [String] name
+    #         The name of the build configuration.
+    #
+    # @param  [Symbol] type
+    #         The type of the build configuration used to populate the build
+    #         settings, must be :debug or :release.
+    #
+    # @return [XCBuildConfiguration] The new build configuration.
+    #
+    def add_build_configuration(name, type)
+      build_configuration = super
+      values = ["#{name.gsub(' ', '_').upcase}=1"]
+      settings = build_configuration.build_settings
+      values.each do |value|
+        definitions = settings['GCC_PREPROCESSOR_DEFINITIONS'] ||= []
+        unless definitions.include?(value)
+          definitions << value
+        end
+      end
+      build_configuration
+    end
 
     private
 

cocoapods-integration-specs @ f10519fd

-Subproject commit 3200e10190c6892b837e5ef3b87c2a2a612f69b6
+Subproject commit f10519fd4b3e699dfee488edf761b0ebe675f5b2

spec/unit/project_spec.rb

@@ -225,6 +225,36 @@ module Pod
         f.path.should == '../Podfile'
       end
 
+      #----------------------------------------#
+
+      describe "#add_build_configuration" do
+        it "adds a preprocessor definition for build configurations" do
+          configuration = @project.add_build_configuration('Release', :release)
+          settings = configuration.build_settings
+          settings['GCC_PREPROCESSOR_DEFINITIONS'].should.include('RELEASE=1')
+        end
+
+        it "doesn't duplicate values" do
+          original = @project.build_configuration_list['Debug']
+          original_settings = original.build_settings
+          original_settings['GCC_PREPROCESSOR_DEFINITIONS'].should ==
+            ["DEBUG=1", "$(inherited)"]
+
+          configuration = @project.add_build_configuration('Debug', :debug)
+          settings = configuration.build_settings
+          settings['GCC_PREPROCESSOR_DEFINITIONS'].should ==
+            ["DEBUG=1", "$(inherited)"]
+        end
+
+
+        it "normalizes the name of the configuration" do
+          configuration = @project.add_build_configuration(
+            'My Awesome Configuration', :release)
+          settings = configuration.build_settings
+          settings['GCC_PREPROCESSOR_DEFINITIONS'].should ==
+            ["MY_AWESOME_CONFIGURATION=1"]
+        end
+      end
     end
 
     #-------------------------------------------------------------------------#