Platforms that use Xcode to build should be using xcrun to find the correct path to gperf. This is part of Bug 80915.
Created attachment 144215 [details] Patch v1
Comment on attachment 144215 [details] Patch v1 Attachment 144215 [details] did not pass win-ews (win): Output: http://queues.webkit.org/results/12794871
Created attachment 144218 [details] Patch v2
Comment on attachment 144218 [details] Patch v2 Clearing flags on attachment: 144218 Committed r118624: <http://trac.webkit.org/changeset/118624>
All reviewed patches have been landed. Closing bug.