Make the filtering of frameworks warning work.

Logical expressions are hard.

lib/cocoapods/validator.rb

@@ -509,9 +509,8 @@ module Pod
     def parse_xcodebuild_output(output)
       lines = output.split("\n")
       selected_lines = lines.select do |l|
-        l.include?('error: ') && (l !~ /frameworks only run on iOS 8/) &&
-          (l !~ /errors? generated\./) && (l !~ /error: \(null\)/)  ||
-          l.include?('warning: ') && (l !~ /warnings? generated\./) ||
+        l.include?('error: ') && (l !~ /errors? generated\./) && (l !~ /error: \(null\)/)  ||
+          l.include?('warning: ') && (l !~ /warnings? generated\./) && (l !~ /frameworks only run on iOS 8/) ||
           l.include?('note: ') && (l !~ /expanded from macro/)
       end
       selected_lines.map do |l|

spec/unit/validator_spec.rb

@@ -395,6 +395,15 @@ module Pod
         validator.results.count.should == 0
       end
 
+      it 'does filter embedded frameworks warnings' do
+        validator = Validator.new(podspec_path, SourcesManager.master.map(&:url))
+        validator.stubs(:check_file_patterns)
+        validator.stubs(:xcodebuild).returns('ld: warning: embedded dylibs/frameworks only run on iOS 8 or later.')
+        validator.stubs(:validate_url)
+        validator.validate
+        validator.results.count.should == 0
+      end
+
       describe 'file pattern validation' do
         it 'checks for file patterns' do
           file = write_podspec(stub_podspec(/.*source_files.*/, '"source_files": "wrong_paht.*",'))