Your package kguitar failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6997864 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 905897 [details] build.log
Created attachment 905898 [details] root.log
Created attachment 905899 [details] state.log
Created attachment 910499 [details] Patch for rawhide Cause was an obsolete BR. Attached patch also fixes /usr/lib64 usage for aarch64.
Committed a proper check for 64 bit arches, also used a different texlive dependency as the one in the patch pulls in a lot of packages