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

[Eric Blake]

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.

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

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