> > I compile the QEMU source download from qemu.git > > (http://git.qemu.org/git/qemu.git) on 4-9-2013, errors reported as > > below, > > > > > > > > hw/virtio/dataplane/vring.c: In function 'vring_enable_notification': > > > > hw/virtio/dataplane/vring.c:72: warning: implicit declaration of > > function 'vring_avail_event' > > > > hw/virtio/dataplane/vring.c:72: warning: nested extern declaration of > > 'vring_avail_event' > > > > hw/virtio/dataplane/vring.c:72: error: lvalue required as left operand > > of assignment > > > > hw/virtio/dataplane/vring.c: In function 'vring_should_notify': > > > > hw/virtio/dataplane/vring.c:107: warning: implicit declaration of > > function 'vring_need_event' > > > > hw/virtio/dataplane/vring.c:107: warning: nested extern declaration of > > 'vring_need_event' > > > > hw/virtio/dataplane/vring.c:107: warning: implicit declaration of > > function 'vring_used_event' > > > > hw/virtio/dataplane/vring.c:107: warning: nested extern declaration of > > 'vring_used_event' > > > > hw/virtio/dataplane/vring.c: In function 'vring_pop': > > > > hw/virtio/dataplane/vring.c:262: error: lvalue required as left > > operand of assignment > > > > make: *** [hw/virtio/dataplane/vring.o] Error 1 > > > > > > > > 'vring_avail_event' and 'vring_need_event' defined in > > /linux-headers/linux/virtio_ring.h, are not available in vring.c ? > > Please send the log of "make V=1". > > Paolo
The log of "make V=1" is identical with that of "make", shown as below, hw/virtio/dataplane/vring.c: In function 'vring_enable_notification': hw/virtio/dataplane/vring.c:72: warning: implicit declaration of function 'vring_avail_event' hw/virtio/dataplane/vring.c:72: warning: nested extern declaration of 'vring_avail_event' hw/virtio/dataplane/vring.c:72: error: lvalue required as left operand of assignment hw/virtio/dataplane/vring.c: In function 'vring_should_notify': hw/virtio/dataplane/vring.c:107: warning: implicit declaration of function 'vring_need_event' hw/virtio/dataplane/vring.c:107: warning: nested extern declaration of 'vring_need_event' hw/virtio/dataplane/vring.c:107: warning: implicit declaration of function 'vring_used_event' hw/virtio/dataplane/vring.c:107: warning: nested extern declaration of 'vring_used_event' hw/virtio/dataplane/vring.c: In function 'vring_pop': hw/virtio/dataplane/vring.c:262: error: lvalue required as left operand of assignment make: *** [hw/virtio/dataplane/vring.o] Error 1 Thanks, Zhang Haoyu
