"rj-cole" <firstname.lastname@example.org> writes: > 2. Looking at my system (visible in the status file) I see that I have > installed gs-common 0.3.7, and gs-gpl 8.01-5, now gs-common conflicts > with 'gs (<< 6.51)' but gs-gpl provides gs. So my question is: does an > expression 'gs (<< 6.51)' include the virtual package gs? So far I have > been modelling that the virtual package gs has an empty version which > comes before any other version, but that would see an expression like > 'gs (<< 6.51)' match a package 'gs'. What about if a package depends on > 'gs (<< 6.51)' would that be satisfied by a package that provided gs? Versioned Dependencies on (and Conflicts against) virtual packages are not supported. This means that only *real* packages (the package with the name gs, in this case) are considered. > 3. Has anyone tried to formally describe package dependencies in in > debian and the rules under which a package may or may not be installed? Errr, the formal description is the dpkg source. Marc -- BOFH #357: I'd love to help you -- it's just that the Boss won't let me near the computer.
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