Re: [libvirt] [PATCH 03/13] Rewrite virAtomic APIs using GLib's atomic ops code

On 07/18/2012 07:07 PM, Hu Tao wrote: > <...> > >> + >> +# define virAtomicIntGet(atomic) \ >> + (__extension__ ({ \ >> + verify (sizeof(*(atomic)) == sizeof(int)); \ >> + (void) (0 ? *(atomic) ^ *(atomic) : 0); \ >> + __sync_synchronize (); \ >> + (int) *(atomic); \ >> + })) > > The `verify' lines cause building warnings: > > cc1: warnings being treated as errors > util/virobject.c: In function 'virClassNew': > util/virobject.c:74:99: error: nested extern declaration of '_gl_verify_function2' [-Wnested-externs] Which version of gcc? I'll have to see if I can come up with a solution in upstream gnulib that expands verify() in such a way that works with -Wnested-externs.