wormux is built without $RPM_OPT_FLAGS, fix attached. Could also configure with --disable-dependency-tracking for cleaner build output (eg. easier to spot problems with CFLAGS) and possibly slight build speedups. http://fedoraproject.org/wiki/Packaging/Debuginfo
Created attachment 150824 [details] Use $RPM_OPT_FLAGS
Thanks for the report and the fix. I'll apply this when i return on Thursday.
Fixed in rawhide.