[libvirt] BSD gcrypt warnings [was: [PATCH] build: mark conditionally unused variables]

[Roman Bogorodskiy]

  Eric Blake wrote:

> On 05/13/2013 09:46 AM, Eric Blake wrote:
> > On 05/11/2013 08:27 AM, Roman Bogorodskiy wrote:
> >>>
> >>> The sad part is that we aren't even using the deprecated symbols - their
> >>> mere inclusion in the installed header is provoking the problems.  It
> >>> looks like newer gcc is a bit more tolerant (that is, this is a
> >>> shortcoming of FreeBSD's use of an older compiler).
> >>>
> > 
> >> I have tried this fix and it works for me:
> >>
> >> diff --git a/configure.ac b/configure.ac
> >> index 53f78de..4a813cc 100644
> >> --- a/configure.ac
> >> +++ b/configure.ac
> >> @@ -1090,6 +1090,10 @@ if test "x$with_gnutls" != "xno"; then
> >>      dnl it explicitly for the calls to gcry_control/check_version
> >>      GNUTLS_LIBS="$GNUTLS_LIBS -lgcrypt"
> >>  
> >> +    dnl We're not using gcrypt deprecated features so define GCRYPT_NO_DEPRECATED
> >> +    dnl to avoid deprecated warnings
> >> +    GNUTLS_CFLAGS="$GNUTLS_CFLAGS -DGCRYPT_NO_DEPRECATED"
> > 
> > Cool.  I'm trying to get a Fedora rawhide VM going (since it has
> > libgcrypt-1.5.2) and verify that it works there as well, and then I'll
> > probably apply this as a formal patch in your name if I don't find any
> > issues in my testing.
> 
> Now pushed.  I'm still building with CFLAGS=-Wno-error to work past some
> other issues, but this one should now be fixed.

Thanks.

By the way, it builds fine with -Werror with clang with Daniel's
patches.

> -- 
> Eric Blake   eblake redhat com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
> 


Roman Bogorodskiy
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