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

[John Darrington]

On Thu, Mar 16, 2017 at 04:40:51PM +0100, Ludovic Court??s wrote:
     John Darrington <address@hidden> skribis:
     
     > On Mon, Mar 13, 2017 at 02:16:27PM +0100, Ludovic Court??s wrote:
     >      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
     >
     > No.  But all the others are projected in Makefile.am by "if 
HAVE_GUILE_JSON" .
     
     Oh right.  Then let???s move this one under ???if HAVE_GUILE_JSON??? as 
well.

No. I tried that.  Unfortunately there are other modules which need this one.

J'
     
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