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Re: Make perl & examples optional

From: Kaz Kylheku
Subject: Re: Make perl & examples optional
Date: Sun, 06 Sep 2020 23:57:08 -0700
User-agent: Roundcube Webmail/0.9.2

On 2020-09-06 09:13, Akim Demaille wrote:
Hi Thomas,

Le 6 sept. 2020 à 16:41, Thomas Deutschmann <whissi@gentoo.org> a écrit :


in Gentoo Linux we are carrying the following patch for quite some time
to make perl dependency which is required for examples optional.

Any chance to get this applied upstream?

I don't see how Perl is needed.  I do not mean Perl to be required,
so you'll have to be more specific on why you think it is.

Besides, if I spent so much time providing users with examples, it
is clearly not to see them removed by the distro.  These examples are
part of the package, and must be treated like documentation.

I'd like to add that the examples are compiled and executed as test
cases during "make check". The --disable-tests option provided by this
patch completely unhooks these programs from being built and tested
by "make check". Thus if/when Gentoo runs "make check", those things
are not being tested. The main test suite still runs, but Bison is being
tested just a little less by the omission of the examples. (They
take very little extra time.)

If the problem is that the examples are being *installed* somewhere,
then the patching approach is puzzling.

Doesn't Gentoo have a mechanism, like a typical distro, for
selecting files from the temporary install directory, to go into
different kinds of packages: main, devel, doc, extras, ...

Surely, Akim's "must be treated like documentation" can be interpreted
as exactly that: the examples go into some bison-doc package?

Under what circumstances can a distro not remove unwanted material
from the package in its packaging post-processing, but have to resort
to patching the build steps of that package?

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