All reports of depends-on-libdb1-compat for the archive. The extended description of this tag is:
The package seems to declare a relation on libdb1-compat. This library exists for compatibility with applications built against glibc 2.0 or 2.1. There is intentionally no corresponding development package. Do not link new applications against this library!
This tag has not been emitted in any package tested by Lintian.