Please remove cmucl from the archive and add it to the sync blacklist.
Although the package is maintained in Debian, the cyclic build-depends
prevents it from getting build in Ubuntu. And bootstrapping it every new
upstream versions doesn't seem manageable.
The binary packages built from cmucl
Given the binaries currently in the archive date back to Hoary, perhaps
the time has come to simply remove the package, rather than continuing
to ship mismatched binaries and source in future Ubuntu releases.
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Build-Depends dependency for cmucl cannot be satisfied (circular build-depends;