Cache result of resource and framework paths

CHANGELOG.md

@@ -12,6 +12,10 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
 
 ##### Bug Fixes
 
+* Cache result of resource and framework paths  
+  [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
+  [#6893](https://github.com/CocoaPods/CocoaPods/pull/6893)
+
 * Ensure source urls are set when spec has subspecs with dependencies  
   [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
   [#6888](https://github.com/CocoaPods/CocoaPods/pull/6888)

lib/cocoapods/target/aggregate_target.rb

@@ -188,6 +188,7 @@ module Pod
     #         input and output paths grouped by config
     #
     def framework_paths_by_config
+      @framework_paths_by_config ||= begin
         framework_paths_by_config = {}
         user_build_configurations.keys.each do |config|
           relevant_pod_targets = pod_targets.select do |pod_target|
@@ -197,10 +198,12 @@ module Pod
         end
         framework_paths_by_config
       end
+    end
 
     # @return [Hash{String => Array<String>}] Uniqued Resources grouped by config
     #
     def resource_paths_by_config
+      @resource_paths_by_config ||= begin
         relevant_pod_targets = pod_targets.reject do |pod_target|
           pod_target.should_build? && pod_target.requires_frameworks?
         end
@@ -211,6 +214,7 @@ module Pod
           end
         end
       end
+    end
 
     # @return [Pathname] the path of the bridge support file relative to the
     #         sandbox or `nil` if bridge support is disabled.