EmptyGlobalAssignment: version 2.0.1: line 13: empty global assignment: IUSE=""
  VariableOrderWrong: version 2.0.1: variable S should occur before IUSE
  EmptyGlobalAssignment: version 3.0.4: line 13: empty global assignment: IUSE=""
  VariableOrderWrong: version 3.0.4: variable S should occur before IUSE
  EmptyGlobalAssignment: version 3.1.0: line 13: empty global assignment: IUSE=""
  VariableOrderWrong: version 3.1.0: variable S should occur before IUSE