Work around broken system version macro
Created attachment 400994 [details] Patch
Note that there are important steps to take when updating ANGLE. See http://trac.webkit.org/wiki/UpdatingANGLE
Created attachment 400995 [details] Patch
Isn’t there anything in Tools, especially TestWebKitAPI comes to mind.
Good point. This is what I get for searching with the workspace :)
Created attachment 401002 [details] Patch
Committed r262542: <https://trac.webkit.org/changeset/262542> All reviewed patches have been landed. Closing bug and clearing flags on attachment 401002 [details].
<rdar://problem/63980810>