Re: [libvirt] [PATCH] maint: update to latest gnulib

On Wed, Jun 14, 2017 at 11:20:44AM +0100, Daniel P. Berrange wrote: After this update the build fails for me with gcc-7.1.0 with the following error: In file included from util/virobject.c:28:0: util/virobject.c: In function 'virClassNew': util/viratomic.h:176:46: error: this condition has identical branches [-Werror=duplicated-branches] (void)(0 ? *(atomic) ^ *(atomic) : 0); \ ^ util/virobject.c:144:20: note: in expansion of macro 'virAtomicIntInc' klass->magic = virAtomicIntInc(&magicCounter); ^~~~~~~~~~~~~~~ Does that mean that gcc does optimize our prefetch trick away (considering I understood what that line is trying to do)? Or should we just turn the warning off for that header file?