Re: FOSDEM 2019

[Alex Sassmannshausen <alex.sassmannshausen@gmail.com>]

Ricardo Wurmus writes:

> Alex Sassmannshausen <alex.sassmannshausen@gmail.com> writes:
>
>> Hi Amirouche
>>
>> Amirouche Boubekki writes:
>>
>>> Le mer. 6 févr. 2019 à 14:47, Alex Sassmannshausen <alex.sassmannshausen@gmail.com> a écrit :
>>>
>>>  >  - Janneke mentioned the new guile build system in guix for simpler
>>>  >    guile packages and I think that's pretty great.  Likewise there was
>>>  >    some mention of some sort of you-don't-have-to-use-autotools build
>>>  >    system and I don't remember what it's name was.  (BTW, I continue to
>>>  >    believe that "Guix is and should be Guile's package mangager".)
>>>
>>>  I was unaware that we had a guile build system in Guix.
>>>
>>> What is it?
>>
>> I may be misunderstanding — so feel free to clarify!
>>
>> The build system in Guix would be a value that can be declared in the
>> `build-system' field of package definitions.  It's basically what tells
>> Guix what steps need to be performed to build and install an
>> application.
>>
>> Guile libraries and applications currently need to use the GNU Build
>> System, or the trivial build system, with some additional steps that
>> need to be added by the packager.
>>
>> If we had a build system, we could simply stick the `guile-build-system'
>> value in the `build-system' field.
>
> This exists.  I use it for the picture language, for example.  Here’s
> the Guix definition:
>
> --8<---------------cut here---------------start------------->8---
> (define-public guile-picture-language
>   (let ((commit "1531116036d1b5e0d2482ff2c8d77ad21f1d2bef")
>         (revision "1"))
>     (package
>       (name "guile-picture-language")
>       (version (git-version "0" revision commit))
>       (source (origin
>                 (method git-fetch)
>                 (uri (git-reference
>                       (url "https://git.elephly.net/software/guile-picture-language.git")
>                       (commit commit)))
>                 (sha256
>                  (base32
>                   "04salmqf5x84vb3qkkxx47b64jyl290zsf3ik81l9hg6fwvvlmq3"))))
>       (build-system guile-build-system)
>       (inputs
>        `(("guile" ,guile-2.2)))
>       (home-page "https://git.elephly.net/software/guile-picture-language.git")
>       (synopsis "Picture language for Guile")
>       (description
>        "This package provides a simple SVG-based picture language for Guile.
> The picture values can directly be displayed in Geiser.")
>       (license license:lgpl3+))))
> --8<---------------cut here---------------end--------------->8---
>
> This takes care of compiling the files and placing them where they
> should go.  The upstream picture language repository does not use
> Autotools.

This is very exciting to see — sorry for the misinformation I spread.

Thanks for pointing it out.

Cheers,

Alex