[bug#28170] Add gnutls/dane + use it where its needed (gnurl, libmicrohttpd, gnunet)

[Christopher Baines]

On Mon, 21 Aug 2017 09:57:26 +0000
ng0 <address@hidden> wrote:

> The dependency chain of GNUnet demands GnuTLS with DANE support.
> You can use it without DANE, but there are certain parts which
> will not work. DANE is recommended. (ports of FREEBSD uses
> gnutls-dane for libmicrohttpd aswell for example).

> From c9dedfd1a6f91d557006b00505a428be84102b1e Mon Sep 17 00:00:00 2001
> From: ng0 <address@hidden>
> Date: Mon, 21 Aug 2017 09:28:51 +0000
> Subject: [PATCH 1/4] gnu: gnutls: Add 'gnutls-dane'.
> 
> * gnu/packages/tls.scm (gnutls/dane): New variable.

Hey, so I'm trying to do some reviewing.

What was your reasoning for creating a new gnutls/dane package, rather
than adding unbound to the existing gnutls package?

I don't know much about GnuTLS, but it would be good to make it clear
why this approach was taken, especially in the commit message and by
the gnutls/dane package definition.

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