This is causing test fullscreen/fullscreen-env.html to fail since it was added in r233066 in the bots that didn't start a clean build. The problem is that the CMake command to generate SelectorPseudoClassAndCompatibilityElementMap.cpp doesn't depend on SelectorPseudoClassAndCompatibilityElementMap.in.
Created attachment 343312 [details] Patch
Comment on attachment 343312 [details] Patch Attachment 343312 [details] did not pass mac-debug-ews (mac): Output: https://webkit-queues.webkit.org/results/8287887 New failing tests: performance-api/performance-observer-no-document-leak.html
Created attachment 343314 [details] Archive of layout-test-results from ews114 for mac-sierra The attached test failures were seen while running run-webkit-tests on the mac-debug-ews. Bot: ews114 Port: mac-sierra Platform: Mac OS X 10.12.6
Committed r233076: <https://trac.webkit.org/changeset/233076>
<rdar://problem/41365998>