Re: cross-compiling in core-updates

[Andy Wingo <wingo@igalia.com>]

On Tue 02 May 2017 21:03, Sergei Trofimovich <slyfox@inbox.ru> writes:

> Yay! The following patch makes bash-minimal compile fine!
>
> diff --git a/gnu/packages/bash.scm b/gnu/packages/bash.scm
> index ef22728a9..38aa1786e 100644
> --- a/gnu/packages/bash.scm
> +++ b/gnu/packages/bash.scm
> @@ -213,7 +213,7 @@ without modification.")
>      (arguments
> -     (let ((args `(#:modules ((guix build gnu-build-system)
> +     (let ((args `(,@(package-arguments bash)
> +                   #:modules ((guix build gnu-build-system)
>                                (guix build utils)
>                                (srfi srfi-1)
> -                              (srfi srfi-26))
> -                   ,@(package-arguments bash))))
> +                              (srfi srfi-26)))))
>         (substitute-keyword-arguments args

Excellent!  Thank you and Rennes and Manolis for the excellent bug
sleuthing.

> I'm afraid I understood almost nothing about your comments of 
> visibility. The only thing I've got is that keyword argument order
> matters :)

Sorry for the digression!  I didn't help things by using the term
"keyword" in two different ways :P

> Would the similar ordering change have the no-op effect in master
> branch or does it mean core-updates should do this reordering while
> master should not?

Yes, it should have no effect.  On the other hand I don't know if it
would cause a whole-world rebuild; maybe that would be a reason to not
apply it to master?  I defer to Ludovic here.

Andy