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[bug#41294] [PATCH] gnu: Add libfreenect.
From: |
Ekaitz Zarraga |
Subject: |
[bug#41294] [PATCH] gnu: Add libfreenect. |
Date: |
Sat, 16 May 2020 10:18:26 +0000 |
Hi,
On Saturday, May 16, 2020 5:48 AM, <address@hidden> wrote:
> We generally try to enable all optional features when adding a package,
> I'd go with:
>
> 1. Build the python bindings by default.
> 2. Try seperate the python bindings into another output. (eg: newt)
> 3. If 1 and 2 seems difficult, try add a seperate package for the
> python bindings, and it better only contains the bindings, reuse the
> original package as input. (eg: python-libxml2)
>
> 4. If not feel lucky, just leave a TODO comment for it...
>
I don't really like the first because it forces you to add a python interpreter
that is not needed otherwise.
2 and 3 sound good to me.
It can handle both python2 and 3. What would you do with that?
Maybe make option 3 and add two outputs to that with python2 and python3? Or
two different packages?
(or just forget the python2?)
>
> > - The package is 300 megs checking `guix size` that's because it has some
> > testing binaries that have extra dependencies. If only the library is
> > compiled it doesn't depend on GLUT and that reduces the size a lot. I tried
> > to separate the package's outputs but I don't know how to do it correctly
> > (I checked the docs but it doesn't go in detail). I'd like to do it but I
> > need some help.
>
> To define a packages with multiple outputs:
>
> - Decide what ‘outputs’ can be made, eg: ‘doc’, ‘bin’, ‘examples’,
> etc. In this case, I’d add an ‘examples’ output, to put those
> ‘freenect-*’ binaries, built from the “examples” directory.
>
> - Add an ‘outputs’ field, it default to ‘(list "out")’, We’d use
> ‘(outputs '("out" "examples")’.
>
> - Modify the install flags or phases to get files into their output
> directory. Sometimes we can configure the target directory by flags,
> but usually we have to move the files around after the install phase…
>
> You can see ‘newt’ in ‘gnu/packages/slang.scm’ for a example.
Great! Thank you. That's more or less what I understood from some code examples
I checked but they were complex and I tried to make the same thing and didn't
work for me. I'll give it a new try with this example.
Inputs can also be defined with an extra argument for different outputs, right?
It should be something like:
`(inputs `("freeglut" ,freeglut "examples"))
Am I right?
>
> > - I'm not sure if the file where I added it is a good choice.
>
> Same here, we can always move it later…
Yeah, sure.
Thank you very much for your help.
Best,
Ekaitz
- [bug#41294] [PATCH] gnu: Add libfreenect., Ekaitz Zarraga, 2020/05/15
- [bug#41294] [PATCH] gnu: libfreenect: Correct native-inputs vs inputs, Ekaitz Zarraga, 2020/05/15
- [bug#41294] [PATCH] gnu: Add libfreenect., 宋文武, 2020/05/15
- [bug#41294] [PATCH] gnu: Add libfreenect.,
Ekaitz Zarraga <=
- [bug#41294] [PATCH] gnu: Add libfreenect., Ekaitz Zarraga, 2020/05/16
- [bug#41294] [PATCH] gnu: Add libfreenect., Ekaitz Zarraga, 2020/05/16
- [bug#41294] [PATCH] gnu: Add libfreenect., 宋文武, 2020/05/16
- [bug#41294] [PATCH] gnu: Add libfreenect., Ekaitz Zarraga, 2020/05/17
- [bug#41294] [PATCH] gnu: Add libfreenect., Ekaitz Zarraga, 2020/05/17
- [bug#41294] [PATCH] gnu: Add libfreenect., 宋文武, 2020/05/19
- [bug#41294] [PATCH] gnu: Add libfreenect., Ekaitz Zarraga, 2020/05/19
- [bug#41294] [PATCH] gnu: Add libfreenect., Ekaitz Zarraga, 2020/05/19
- [bug#41294] [PATCH] gnu: Add libfreenect., 宋文武, 2020/05/20
- [bug#41294] [PATCH] gnu: Add libfreenect., Ekaitz Zarraga, 2020/05/20