dataplane: use linux-headers/ for virtio includes
commitef4929fb3c25e03deca76c7f5d22fba08edf864f
authorStefan Hajnoczi <stefanha@redhat.com>
Thu, 3 Jan 2013 10:56:16 +0000 (3 11:56 +0100)
committerAnthony Liguori <aliguori@us.ibm.com>
Thu, 3 Jan 2013 13:13:25 +0000 (3 07:13 -0600)
treee2149691452c9b2503573d21bc434a788ec09c40
parentdbd99ae302be8f51b547fb6283c91d0c9859b7d5
dataplane: use linux-headers/ for virtio includes

The hw/dataplane/vring.c code includes linux/virtio_ring.h.  Ensure that
we use linux-headers/ instead of the system-wide headers, which may be
out-of-date on older distros.

This resolves the following build error on Debian 6:

  CC    hw/dataplane/vring.o
cc1: warnings being treated as errors
hw/dataplane/vring.c: In function 'vring_enable_notification':
hw/dataplane/vring.c:71: error: implicit declaration of function 'vring_avail_event'
hw/dataplane/vring.c:71: error: nested extern declaration of 'vring_avail_event'
hw/dataplane/vring.c:71: error: lvalue required as left operand of assignment

Note that we now build dataplane/ for each target instead of only once.
There is no way around this since linux-headers/ is only available for
per-target objects - and it's how virtio, vfio, kvm, and friends are
built.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
hw/Makefile.objs
hw/dataplane/Makefile.objs