Your bug report

#7957: build failure due to missing fontconfig's FC_DUAL

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 7957@debbugs.gnu.org.

-- 
7957: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7957
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems