Re: [Qemu-devel] configure claims I requested feature nettle when I didn't...

["Daniel P. Berrange" <berrange@redhat.com>]

On Thu, Oct 22, 2015 at 05:09:14PM +0100, Peter Maydell wrote:
> On 22 October 2015 at 16:43, Daniel P. Berrange <berrange@redhat.com> wrote:
> > Yes, if configure finds  gnutls, it tries to figure out if gnutls
> > links to nettle or gcrypt, and then checks for the corresponding
> > one. It fails if gnutls is found, but the corresponding nettle/gcrypt
> > is not found, on the basis that that should not actually happen, as
> > installing gnutls-dev should pull in nettle-dev/gcrypt-dev packages
> > as appropriate.
> 
> This doesn't appear to be true in practice:
> 
> [pm215@gcc1-power7 all]$ yum list gnutls-devel
> Installed Packages
> gnutls-devel.ppc64                    3.1.26-2.fc20                     @updates
> Available Packages
> gnutls-devel.ppc                      3.1.26-2.fc20                     updates
> [pm215@gcc1-power7 all]$ yum list libgcrypt-devel
> Available Packages
> libgcrypt-devel.ppc                      1.5.3-2.fc20                     fedora
> libgcrypt-devel.ppc64                    1.5.3-2.fc20                     fedora
> [pm215@gcc1-power7 all]$ yum list nettle-devel
> Available Packages
> nettle-devel.ppc                       2.7.1-3.fc20                      updates
> nettle-devel.ppc64                     2.7.1-3.fc20                      updates
> 
> (This is gcc110 in the FSF compile farm, if you happen to have
> a compile farm account.)
> 
> > Did you only see this with todays master ?  This particular hard failure
> > logic was present even before commit 4e2abbeacce6e12e62a0183c67936c807b19c3b9
> > so I would expect you to see it all the way back to
> > ed754746fea55df726f4de3dadb5bea0b6aa7409
> 
> The machine in question (a ppc64be system running Fedora 20) has
> had a fresh OS install and a bunch of dev packages installed
> today, which is why I noticed it. I suspect it previously did
> not have any of the gnutls dev packages.

Ok, I will fix this, as part of the pull request I already have pending
and send a new pull request.

Regards,
Daniel
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