The --enable-jit options are stale and much too complex, and don't allow the user to override the various options at build time via CPPFLAGS. Patch to be attached.
Created attachment 118818 [details] Patch
Comment on attachment 118818 [details] Patch Nice.
Comment on attachment 118818 [details] Patch Clearing flags on attachment: 118818 Committed r102624: <http://trac.webkit.org/changeset/102624>
All reviewed patches have been landed. Closing bug.