[Pkg-rust-maintainers] Computing Build-Depends at build time (and other updates to debian/control)?

[Bastian Blank]

On Sun, Aug 21, 2016 at 02:03:00AM -0700, Josh Triplett wrote:
> Mechanisms like shlibdeps, dh_perl, and other substvars allow packages
> to compute their Depends at build time.  This avoids hard-coding
> dependencies, simplifies upgrading the package to new versions, and
> makes transitions much easier.

Please provide a real world example.

> Any thoughts on this proposal?

Just don't.  I still fail to see why you need to do any of this during
the build of the binary instead of just before you upload a source.

Regards,
Bastian

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