LIBSECCOMP_INCLUDE_DIRS should be added to WebKit2_SYSTEM_INCLUDE_DIRECTORIES, not WebKit2_INCLUDE_DIRECTORIES. (So that warnings from libseccomp headers are suppressed. Not that there are any right now.)
Created attachment 260105 [details] Patch
Comment on attachment 260105 [details] Patch Clearing flags on attachment: 260105 Committed r189098: <http://trac.webkit.org/changeset/189098>
All reviewed patches have been landed. Closing bug.