ghc-reducers failed to build from source in Fedora rawhide https://koji.fedoraproject.org/koji/taskinfo?taskID=28180162 For details on the mass rebuild see: https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild Please fix ghc-reducers at your earliest convenience and set the bug's status to ASSIGNED when you start fixing it. If the bug remains in NEW state for 8 weeks, ghc-reducers will be orphaned. Before branching of Fedora 30, ghc-reducers will be retired, if it still fails to build. For more details on the FTBFS policy, please visit: https://fedoraproject.org/wiki/Fails_to_build_from_source
This bug appears to have been reported against 'rawhide' during the Fedora 29 development cycle. Changing version to '29'.
There has been at least one successfull build after mass rebuild. ghc-reducers-3.12.3-3.fc29: https://koji.fedoraproject.org/koji/buildinfo?buildID=1131641