[PD] declare vs. namespaces - current best practice

Alexandre Torres Porres porres at gmail.com
Tue Jan 2 15:58:56 CET 2018


2018-01-02 8:02 GMT-03:00 Christof Ressi <christof.ressi at gmx.at>:

> Hi, I think in your case you shouldn't need [declare] at all. [declare
> -stdlib somelib] makes the assumption that 'somelib' is installed in one of
> Pd's standard paths. This was maybe true for Pd extended where all
> libraries were in the /extra folder but actually it could be any other
> folder (which the user added to their search paths).
> IMHO, best practice is to explicitly list your dependencies and have the
> user set them up correctly.
> regarding namespaces:
> In an abstraction library I would always use them if I can (unfortunately
> it's not possible with externals which are part of a single binary
> library). It eliminates the possibility that a wrong abstraction/external
> is called. My favourite example:
> Say that for some weird reason you're using [gate] from cyclone. If a
> users happens to have iemlib earlier in their search path, all your
> abstractions will have iemlib's [gate] object instead - which works exactly
> the other way around! This actually happened to a friend of mine :-D.

won't [declare cyclone] force a priority of it over iemlib? If not,
shouldn't it?

now, for related discussions on declare/standard paths, see
https://github.com/pure-data/pure-data/pull/205 &

happy 2018
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