On 07/03/2015 00:47, Peter Maydell wrote: > > 1. It complains about glib headers: > > In file included from /home/stefanha/qemu/include/net/eth.h:32: > > In file included from /home/stefanha/qemu/include/qemu/iov.h:17: > > In file included from /home/stefanha/qemu/include/qemu-common.h:43: > > In file included from /home/stefanha/qemu/include/glib-compat.h:19: > > In file included from /usr/include/glib-2.0/glib.h:50: > > In file included from /usr/include/glib-2.0/glib/ghash.h:33: > > In file included from /usr/include/glib-2.0/glib/glist.h:32: > > /usr/include/glib-2.0/glib/gmem.h:76:78: warning: unknown attribute > > '__alloc_size__' ignored [-Wunknown-attributes] > > gpointer g_malloc (gsize n_bytes) __attribute__((__malloc__)) > > __attribute__((__alloc_size__(1))); > > > > ^ > > /usr/include/glib-2.0/glib/gmem.h:78:79: warning: unknown attribute > > '__alloc_size__' ignored [-Wunknown-attributes] > > I think this is a glib bug...
If clang supports fewer attributes than GCC, the right course of action is disabling the warning on clang. There are very few attributes that are used commonly and that affect ABI; most of them are just annotations. Paolo
