Re: [ptxdist] [RFC PATCH 1/2] nettle: add explicit support for libhogweed

[Clemens Gruber <clemens.gruber@pqgruber.com>]

On Thu, Mar 09, 2017 at 05:41:04PM +0100, Markus Niebel wrote:
> Am Donnerstag, den 09.03.2017, 16:19 +0100 schrieb Michael Olbrich:
> > On Thu, Mar 09, 2017 at 10:37:06AM +0100, Markus Niebel wrote:
> > > From: Markus Niebel <Markus.Niebel@tq-group.com>
> > > 
> > > the libhogweed part requires libgmp. Let's make it configurable.
> > > 
> > 
> > This seems wrong. My understanding is, that the --enable-mini-gmp options
> > exists to avoid the libgmp dependency by providing a minimalistic version
> > of libgmp.
> > If we want to use the 'real' libgmp (Are there any compelling reasons to do
> > so?) then the --enable-mini-gmp must be _disabled_ if libhogweed is
> > installed not the other way around.
> > 
> > Also, the '--with-nettle-mini' of gnutls must be changed to 'without'. And
> > all other nettle users must be reviewed to check if they need libhogweed.
> > 
> 
> I did't noticed that in gnutls. But I came up with this because I
> noticed a build break during a clean rebuild on our buildserver using
> ptxdist 2017.01:

The "real" GMP library is not required if you built gnutls with the
--with-nettle-mini option (and nettle with the --enable-mini-gmp
option). 

Since PTXdist 2017.03.0, gnutls is built with --with-nettle-mini.

For me, the configure script output for gnutls looks as follows now:
(..)
checking for NETTLE... yes
checking for HOGWEED... yes
checking for LIBTASN1... yes
checking whether to use the included minitasn1... no
checking for asn1_decode_simple_ber... yes
checking whether C99 macros are supported... yes
checking whether to disable DTLS-SRTP extension... no
checking whether to disable ALPN extension... no
(..)

Could you please try rebuilding your project with PTXdist 2017.03.0 ?

Regards,
Clemens

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