[gentoo-dev] Automagic dependencies in gegl

[gentoo-dev] Automagic dependencies in gegl

[Hanno Böck]

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Hi,

Recently, GIMP got it's first development version based on gegl.

Now, gegl has 13 optional dependencies that could be use-flagged. The pity is, 
it has no configure-option for most of them, they are autodetected.
(It's about gtk, ruby, lua, cairo, pango, libpng, openexr, rsvg, sdl, 
asciidoc, enscript, graphviz and ffmpeg)

My experience with the gimp developers in the past was that they weren't very 
pleased by bugs about automagic deps and I assume if I post them without 
patches, they'll get closed immediately. Now I always avoided to dig too deep 
into autotools, so I don't feel skilled enough for this task.

Is there some brave gentoo dev (or non-dev, doesn't really matter) 
volunteering to send patches to gegl-upstream?


Beside, I'm asking myself how to handle this situation. Hard-enable them all 
as long as there are no patches? Let the automagic go in the tree? Opinions 
welcome.

-- 
Hanno Böck		Blog:   http://www.hboeck.de/
GPG: 3DBD3B20		Jabber: hanno@hboeck.de

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[gentoo-dev] Re: Automagic dependencies in gegl

[Diego 'Flameeyes' Pettenò]

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Hanno Böck <hanno@gentoo.org> writes:

> Beside, I'm asking myself how to handle this situation. Hard-enable them all 
> as long as there are no patches? Let the automagic go in the tree? Opinions 
> welcome.

Automagic has _not_ to come to the tree, so hard-enable them all is the
way.
Have you looked at automagic.xml? It should help you for the task, and
if it doesn't, I can see to extend it.

-- 
Diego "Flameeyes" Pettenò
http://blog.flameeyes.eu/

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Re: [gentoo-dev] Re: Automagic dependencies in gegl

[Samuli Suominen]

Thu, 01 May 2008 13:11:47 +0200
flameeyes@gmail.com (Diego 'Flameeyes' Pettenò) kirjoitti:

> Hanno Böck <hanno@gentoo.org> writes:
> 
> > Beside, I'm asking myself how to handle this situation. Hard-enable
> > them all as long as there are no patches? Let the automagic go in
> > the tree? Opinions welcome.
> 
> Automagic has _not_ to come to the tree, so hard-enable them all is
> the way.
> Have you looked at automagic.xml? It should help you for the task, and
> if it doesn't, I can see to extend it.
> 

+1
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Re: [gentoo-dev] Automagic dependencies in gegl

[Luca Barbato]

Hanno Böck wrote:
> Now, gegl has 13 optional dependencies that could be use-flagged. The pity is, 
> it has no configure-option for most of them, they are autodetected.
> (It's about gtk, ruby, lua, cairo, pango, libpng, openexr, rsvg, sdl, 
> asciidoc, enscript, graphviz and ffmpeg)

whoah! Quite a large number!.

> My experience with the gimp developers in the past was that they weren't very 
> pleased by bugs about automagic deps and I assume if I post them without 
> patches, they'll get closed immediately. Now I always avoided to dig too deep 
> into autotools, so I don't feel skilled enough for this task.

Ping me and we could work out something, probably the best way would be 
hack a PKG_CONFIG_CONDITIONAL that does whatever the canned pkgconfig 
does+ adding the --enable option.

> Is there some brave gentoo dev (or non-dev, doesn't really matter) 
> volunteering to send patches to gegl-upstream?

We could teamwork having some autostuff monkey doing part of the work, 
you helping us trying out the result and whoever has better contact with 
upstream could try to get the thing there.

> Beside, I'm asking myself how to handle this situation. Hard-enable them all 
> as long as there are no patches? Let the automagic go in the tree? Opinions 
> welcome.

Where is the ebuild, put it as is hardmasked with a note about this, 
then we could work together on it.

lu

-- 

Luca Barbato
Gentoo Council Member
Gentoo/linux Gentoo/PPC
http://dev.gentoo.org/~lu_zero

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Re: [gentoo-dev] Automagic dependencies in gegl

[Enrico Weigelt]

* Luca Barbato <lu_zero@gentoo.org> schrieb:

Hi,

> >Now, gegl has 13 optional dependencies that could be use-flagged. The pity 
> >is, it has no configure-option for most of them, they are autodetected.

A good example for miserable design ;-P
That's why I everything should be entirely built in sysroot.

> >My experience with the gimp developers in the past was that they weren't 
> >very pleased by bugs about automagic deps and I assume if I post them 
> >without patches, they'll get closed immediately. Now I always avoided to 
> >dig too deep into autotools, so I don't feel skilled enough for this task.
> 
> Ping me and we could work out something, probably the best way would be 
> hack a PKG_CONFIG_CONDITIONAL that does whatever the canned pkgconfig 
> does+ adding the --enable option.

I strongly advise against this. The clean way is to fix the package.
(it's build scripts). I'm doing so in the OSS-QM project, eg. for
Mozilla ...

This actually is one of the typical situations what I invented 
OSS-QM for: the upstream produces crap and is even learning resistent.
Doing those cleanups within individual distros is not the right thing,
because a) too much work for the distro maintainer and b) too much
duplicate work, if every distro does it by it's own.

I'd like to invite you to the OSS-QM project - let's do all the
cleanups there and provide overlay by patch, so all distros now
just have to pick their right configure args.

http://oss-qm.metux.de/


cu
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Re: [gentoo-dev] Automagic dependencies in gegl

[Luca Barbato]

Enrico Weigelt wrote:
> * Luca Barbato <lu_zero@gentoo.org> schrieb:
> 
> Hi,
> 
>>> Now, gegl has 13 optional dependencies that could be use-flagged. The pity 
>>> is, it has no configure-option for most of them, they are autodetected.
> 
> A good example for miserable design ;-P
> That's why I everything should be entirely built in sysroot.
> 
>>> My experience with the gimp developers in the past was that they weren't 
>>> very pleased by bugs about automagic deps and I assume if I post them 
>>> without patches, they'll get closed immediately. Now I always avoided to 
>>> dig too deep into autotools, so I don't feel skilled enough for this task.
>> Ping me and we could work out something, probably the best way would be 
>> hack a PKG_CONFIG_CONDITIONAL that does whatever the canned pkgconfig 
>> does+ adding the --enable option.
> 
> I strongly advise against this. The clean way is to fix the package.
> (it's build scripts). I'm doing so in the OSS-QM project, eg. for
> Mozilla ...

That is the plan, you produce a simple m4 macro that does for you once 
and then apply it every time you have a bare pkg check.

> I'd like to invite you to the OSS-QM project - let's do all the
> cleanups there and provide overlay by patch, so all distros now
> just have to pick their right configure args.
> 
> http://oss-qm.metux.de/
> 

I'll have a look soon.

lu


-- 

Luca Barbato
Gentoo Council Member
Gentoo/linux Gentoo/PPC
http://dev.gentoo.org/~lu_zero

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Re: [gentoo-dev] Automagic dependencies in gegl

[Rémi Cardona]

Hanno Böck a écrit :
> Recently, GIMP got it's first development version based on gegl.

Sweet :)

> Is there some brave gentoo dev (or non-dev, doesn't really matter) 
> volunteering to send patches to gegl-upstream?

I would really like to say that I can do it for you, but I'm very time 
limited, so my suggestion is to start off with the easy ones (ie, the 
ones that use pkg-config).

Do one dependency, (contact me off list so I can help you get it right) 
and then it should be pretty easy to copy/paste to do the other ones. 
Getting the first one done is the hardest :)

> Beside, I'm asking myself how to handle this situation. Hard-enable them all 
> as long as there are no patches? Let the automagic go in the tree? Opinions 
> welcome.

No automagic... that's a big no-no :)

Cheers,

Rémi
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