bug#25955: [PATCH] guix: Only attempt to build json builder if json is available.

[Ludovic Courtès]

John Darrington <address@hidden> skribis:

> * guix/import/stackage.scm: avoid loading the json module.
> ---
>  guix/import/stackage.scm | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/guix/import/stackage.scm b/guix/import/stackage.scm
> index 5b25adc..c8f195a 100644
> --- a/guix/import/stackage.scm
> +++ b/guix/import/stackage.scm
> @@ -23,7 +23,6 @@
>    #:use-module (srfi srfi-26)
>    #:use-module (srfi srfi-34)
>    #:use-module (srfi srfi-35)
> -  #:use-module (guix import json)
>    #:use-module (guix import hackage)
>    #:use-module (guix memoization)
>    #:use-module (guix packages)
> @@ -31,6 +30,8 @@
>    #:export (stackage->guix-package
>              %stackage-updater))
>  
> +(module-autoload! (current-module) '(guix import json) '(json))

We don’t do that for any of the other (guix import …) modules that uses
(guix import json).  What problem does it cause?

Thanks,
Ludo’.