EmptyGlobalAssignment: version 2.1.0-r4: line 16: empty global assignment: IUSE=""
  UnusedInherits: version 2.1.0-r4: unused eclass: multibuild
  EmptyGlobalAssignment: version 2.1.0-r5: line 15: empty global assignment: IUSE=""
  UnusedInherits: version 2.1.0-r5: unused eclass: multibuild