From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leo Famulari <leo@famulari.name>
Subject: Re: [PATCH 24/24] gnu: qt: Update qt to 5.7.0.
Date: Sat, 20 Aug 2016 17:59:57 -0400
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To: David Craven <david@craven.ch>
Cc: guix-devel <guix-devel@gnu.org>

On Sat, Aug 20, 2016 at 09:50:51PM +0200, David Craven wrote:
> I fixed all regression except vlc and avidemux (locally). I'll have to
> do some more debugging tomorrow. Forcing --std=gnu++11 worked in all
> other cases. With the release of vlc 3 eminent, would it be acceptable
> to use qt-4 with vlc 2.2.4 (if I don't manage to fix it)? That's what
> arch linux is doing currently - and forcing --std=gnu++98, since
> they're on gcc6.

My interpretation of the Qt security policy is that qt-4 is unsupported.

"What Version of Qt are Supported?

Fixes are only guaranteed to be provided for:

    The latest released version.

    The preceding minor version.

    Fixes for earlier versions (such as 4.8, 5.0, etc.) may be provided,
    but the qt-project makes no commitment to do so. Other groups such
    as Digia may choose to make such fixes available, but that is
    outside the scope of the qt-project."

source: https://wiki.qt.io/Qt_project_security_policy