On 05/28/2013 11:55 PM, Ludovic Courtès wrote:
> Cyril Roelandt<tipecaml@gmail.com>  skribis:
>
>> On 05/26/2013 10:00 PM, Ludovic Courtès wrote:
>>> Cyril Roelandt<tipecaml@gmail.com>   skribis:
>>>
>>>> On 05/23/2013 05:19 PM, Ludovic Courtès wrote:
>>>>
>>>>> Did you use --no-substitutes?
>>>>>
>>>>
>>>> No, but anyway I can't use the substituter on x86.
>>>
>>> You can: the tar.gz is architecture-independent, and it’s the exact same
>>> regardless of the architecture (technically, it’s a “fixed-output
>>> derivation”.)
>>>
>>> So ‘guix build -S foo’ should by default try to go through the
>>> substituter.  If that is not the case, it may be a bug.
>>>
>>> Could you check what happens?
>>>
>>
>> IIRC, I noticed the issue in zlib because Guix failed to download it
>> when I tried to install gnutls. I could not reproduce the issue though
>> :/
>
> Perhaps if you do:
>
>    guix gc --delete `guix build -S zlib`
>
> that will remove your copy of the zlib source from the store.
>
> Then you can try again to see if the substituter is used:
>
>    guix build -S zlib
>
> Ludo’.

I just ran into a similar issue (still on i686). Subversion 1.7.8 cannot 
be found on the Apache website any more (the current version is 1.7.10), 
and Guix does not try to download it from Hydra. I attached the log.

Cyril.