Re: Syntax and gexp for ff5f34ae757d709987896d6164bf125319a0f764

[Maxim Cournoyer]

Hi Andreas,

Andreas Enge <andreas@enge.fr> writes:

> Hello,
>
> it looks as if commit ff5f34ae757d709987896d6164bf125319a0f764 breaks
> building of at least one package, perl-gd, depending on
> perl-extutils-pkgconfig.
>
> The latter is now defined as
> (define-syntax perl-extutils-pkgconfig
>   (identifier-syntax (perl-extutils-pkgconfig-for-target
>                       (%current-target-system))))
> which apparently does not play well with what is written in the former as
>     (native-inputs
>      (list perl-extutils-pkgconfig)) :
> guix package: error: gnu/packages/gd.scm:103:2: package `perl-gd@2.73' has an 
> invalid input: ("_" #<syntax-transformer perl-extutils-pkgconfig>)
>
> I do not quite see where the problem lies, given that the same thing
> has been working for pkg-config for quite a while now...
> I noticed it on core-updates, but the commit comes from master.

I've seen this too, but it disappears if you byte-compile the project.
I'm not sure what that means, although it does seems sub-optimal that we
rely on byte-compilation for the code to evaluate correctly.

-- 
Thanks,
Maxim