> > ghc-7.8.4-41.fc22 > > ----------------- > > Oh dear - gcc5 changes all the ghc library ABI hashes. Sorry my initial hunch seems incorrect. AFAICT now the ABI changes are due to -40 having been built with make -j16 on i686 and x86_64. In future I will use -j4 or less again. Jens -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct