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in reply to Re: Per-distro versioning and dependency specification
in thread Per-distro versioning and dependency specification

I would draw the line around any group of files which can only be installed together. That was what the phrase "atomic unit of installation" was intended to convey.

Ubuntu and GCC don't really fit into that context, as they are aggregations of smaller packages. Most CPAN tarballs would qualify, though, since perl Makefile.PL; make install is generally all or nothing.