Your package gqrx failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17649393 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1251016 [details] build.log
Created attachment 1251017 [details] root.log
Created attachment 1251018 [details] state.log
jwakely's gqrx-2.6-2.fc26 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=839140