On Thursday 26 June 2003 14:02, you wrote:

> If I want to deinstall a package, is pkgsrc able to remove dependent
> stuff, like APT does?

Yes.

# man pkg_delete

and see the -r and -R options.

> Can pkgsrc handle dependencies from roles, like APT does? E.g. a
> package might depend from mail-transport-agent, which isn't an actual
> package, but something like a role, and any of the packages like exim,
> sendmail, postfix, qmail a.s.o. can play that role.

I don't know if pkgsrc can handle this type of dependency, since I've 
downloaded my pkgsrc database just one time.