As discussed on the webkit-dev mailing list [1], unlike HAVE(...) and ENABLE(...), USE(...) looks for variables of the form WTF_USE_FOO. To make it more similar to ENABLE and HAVE, it should look for USE_FOO. 1. https://lists.webkit.org/pipermail/webkit-dev/2015-April/027408.html
Created attachment 252068 [details] Patch
Comment on attachment 252068 [details] Patch Looks sane to me.
Comment on attachment 252068 [details] Patch Clearing flags on attachment: 252068 Committed r183697: <http://trac.webkit.org/changeset/183697>
All reviewed patches have been landed. Closing bug.