libmsgpack-c-devel-6.0.1-alt1.x86_64 rpm-filesystem-conflict-file-file warn File /usr/include/msgpack/sysdep.h conflicts with the package gem-msgpack-devel-1.5.6-alt1.noarch. Moreover, the packages have no explicit conflicts with each other. You should add explicit conflicts, or, if conflicts are avoidable, consider using alternatives.;