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)
  DeadUrl: version 21.0.0_pre20250420: SRC_URI: HTTPSConnectionPool(host='github.com', port=443): Read timed out. (read timeout=5.0): https://github.com/llvm/llvm-project/archive/ac8fc09688e10e983b99224b5dc5cbbeeedb1879.tar.gz