GNU bug report logs - #26220
core-updates: r-rcpp fails to build with GCC 5

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From: Ricardo Wurmus <rekado <at> elephly.net>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 26220 <at> debbugs.gnu.org, Leo Famulari <leo <at> famulari.name>
Subject: bug#26220: core-updates: r-rcpp fails to build with GCC 5
Date: Thu, 23 Mar 2017 15:38:57 +0100

Ludovic Courtès <ludo <at> gnu.org> writes:

> Ricardo Wurmus <rekado <at> elephly.net> skribis:
>
>> Leo Famulari <leo <at> famulari.name> writes:
>>
>>> Is this an appropriate solution?
>>> From 216000bc2d05799f3d68ae1806bb4b2ce6ab0782 Mon Sep 17 00:00:00 2001
>>> From: Leo Famulari <leo <at> famulari.name>
>>> Date: Wed, 22 Mar 2017 17:16:58 -0400
>>> Subject: [PATCH] gnu: r-rcpp: Fix build failure with GCC-5.
>>>
>>> * gnu/packages/statistics.scm (r-rcpp)[native-inputs]: Add gcc-4.9.
>>
>> I don’t think so.  The real problem is that “gcc” was updated to point
>> to “gcc-5”, but “gfortran” still points to “gfortran-4.9”.
>>
>> We should update “gfortran” to point to “gfortran-5” instead (and maybe
>> add a comment next to the “gcc” definition to remind people to also
>> update “gfortran”).
>>
>> I’m not sure if this is accurate but “guix refresh -l gfortran-4.9”
>> tells me this:
>>
>>     Building the following 142 packages would ensure 475 dependent
>>     packages are rebuilt …
>>
>> What do you think?  Do you want me to push it to core-updates?
>
> I think so.  It’s probably better than leaving some of the Fortran
> packages in a broken state.
>
> Could you make this change?

Done with commit cb4805e34 in core-updates.

-- 
Ricardo

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