[Octave-bug-tracker] [bug #45369] pkg build leads to duplication of PKG_ADD and PKG_DEL files

[Julien Bect]

Follow-up Comment #11, bug #45369 (project octave):

One more point about PKG_ADD/PKG_DEL directives: they are not specific to
Octave Forge packages. This is a generic feature of addpath/rmpath, which is
even used in some places in Octave core:

http://hg.savannah.gnu.org/hgweb/octave/file/f5d9e57d4380/scripts/image/autumn.m#l32

http://hg.savannah.gnu.org/hgweb/octave/file/f5d9e57d4380/scripts/optimization/fminbnd.m#l61

They are also rather natural to use for autoload statements:

http://hg.code.sf.net/p/octave/image/file/b348244c0153/src/conndef.cc#l190

(Thanks Carnë for showing me all this)

So, my opinion is that we have to design a clean solution that takes into
account the existence of PKG_ADD/PKG_DEL directives (not ignore them or
propose to remove them).

I believe that comment #8, points 4--6, provide such a solution.

> What advantage do such directives have over
> what Carnë (below in pt. 2 & 3) and I suggest?
> If there's a use case for directives with
> clear advantages over Carnë's/my suggestion

I don't think Carnë ever suggested to get rid of PKG_ADD/PKG_DEL directives.


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