From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leo Famulari <leo@famulari.name>
Subject: Re: Building packages with python-3.4
Date: Fri, 28 Oct 2016 12:33:52 -0400
Message-ID: <20161028163352.GA6255@jasmine>
References: <20161012215214.GA17635@jasmine>
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To: Ludovic =?iso-8859-1?Q?Court=E8s?= <ludo@gnu.org>
Cc: guix-devel@gnu.org

On Mon, Oct 24, 2016 at 10:58:38PM +0200, Ludovic Courtès wrote:
> Leo Famulari <leo@famulari.name> skribis:
> 
> > On core-updates, we updated python to 3.5.2, but we kept 3.4.5 in case
> > we needed it.
> >
> > I recently tried building python-cryptography with 3.4.5, like this:
> >
> >     (arguments
> >      `(#:python ,python-3.4))
> >
> > But, it fails like this:
> >
> > patch-shebang: ./setup.py: warning: no binary for interpreter `python' found in $PATH
> 
> I think you need to write:
> 
>   (arguments
>    `(#:python ,(wrap-python3 python-3.4)))
> 
> That will provide ‘python’ and other commands without the ‘3’ prefix.

Thanks!

I tried this to fix the build failure of Blender on core-updates, and it
did work. But in the end I instead updated Blender to the latest
version, which supports Python 3.5.