perl-String-License-0.0.9-1.fc39 fails to build in Fedora 39 because the tests fail with perl 5.38.0 like this: Class :isa attribute requires a class but "String::License::Naming" is not one at /builddir/build/BUILD/String-License-v0.0.9/blib/lib/String/License/Naming/Custom.pm line 64. Compilation failed in require at /builddir/build/BUILD/String-License-v0.0.9/blib/lib/String/License.pm line 47. BEGIN failed--compilation aborted at /builddir/build/BUILD/String-License-v0.0.9/blib/lib/String/License.pm line 47. Compilation failed in require at t/basic-lib-no-RE2.t line 7. BEGIN failed--compilation aborted at t/basic-lib-no-RE2.t line 7. t/basic-lib-no-RE2.t .. Dubious, test returned 255 (wstat 65280, 0xff00) No subtests run perl-5.38.0 splain explains: (F) When creating a subclass using the class :isa attribute, the named superclass must also be a real class created using the class keyword.