Filter out subset dependent targets from FRAMEWORK_SEARCH_PATHS

CHANGELOG.md

@@ -21,8 +21,8 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [#6811](https://github.com/CocoaPods/CocoaPods/pull/6811)
 
 * Add Private Header support to static frameworks
-  [paulb777](https://github.com/paulb777)
-  [#6969](https://github.com/CocoaPods/CocoaPods/issues/6969)
+  [Paul Beusterien](https://github.com/paulb777)
+  [#6969](https://github.com/CocoaPods/CocoaPods/pull/6969)
 
 ##### Bug Fixes
 
@@ -42,6 +42,10 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
   [Paul Beusterien](https://github.com/paulb777)
   [#6997](https://github.com/CocoaPods/CocoaPods/pull/6997)
 
+* Filter out subset dependent targets from FRAMEWORK_SEARCH_PATHS  
+  [Paul Beusterien](https://github.com/paulb777)
+  [#7002](https://github.com/CocoaPods/CocoaPods/pull/7002)
+
 ## 1.3.1 (2017-08-02)
 
 ##### Enhancements

lib/cocoapods/generator/xcconfig/xcconfig_helper.rb

@@ -273,6 +273,17 @@ module Pod
         def self.settings_for_dependent_targets(target, dependent_targets, test_xcconfig = false)
           dependent_targets = dependent_targets.select(&:should_build?)
 
+          # Filter out dependent targets that are subsets of another target.
+          subset_targets = []
+          dependent_targets.combination(2) do |a, b|
+            if (a.specs - b.specs).empty?
+              subset_targets << a
+            elsif (b.specs - a.specs).empty?
+              subset_targets << b
+            end
+          end
+          dependent_targets -= subset_targets
+
           # Alias build dirs to avoid recursive definitions for pod targets and depending
           # on build settings which could be overwritten in the user target.
           build_settings = {

spec/unit/generator/xcconfig/xcconfig_helper_spec.rb

@@ -63,6 +63,24 @@ module Pod
             xcconfig.to_hash['OTHER_LDFLAGS'].should == '-l"xml2"'
           end
 
+          it 'check that subspec subsets are removed from frameworks search paths' do
+            target1 = stub(
+              :specs => %w(A, B),
+              :should_build? => true,
+              :requires_frameworks? => true,
+              :configuration_build_dir => 'AB',
+            )
+            target2 = stub(
+              :specs => ['B'],
+              :should_build? => true,
+              :requires_frameworks? => true,
+              :configuration_build_dir => 'B',
+            )
+            dependent_targets = [target1, target2]
+            build_settings = @sut.settings_for_dependent_targets(nil, dependent_targets)
+            build_settings['FRAMEWORK_SEARCH_PATHS'].should == '"AB"'
+          end
+
           it 'adds the frameworks of the xcconfig' do
             xcconfig = Xcodeproj::Config.new
             consumer = stub(