DeprecatedEclass: version 15.0.7: uses deprecated eclass: llvm (migrate to llvm-r1.eclass)
  DeprecatedEclass: version 16.0.6: uses deprecated eclass: llvm (migrate to llvm-r1.eclass)
  DeprecatedEclass: version 17.0.6: uses deprecated eclass: llvm (migrate to llvm-r1.eclass)