commit 70556264 "libqos: use microseconds instead of iterations for virtio timeout" regressed 'make check' when qemu is build with glib2 version less than 2.28
causing following error:
#make check
...
LINK tests/virtio-blk-test
Undefined symbols for architecture x86_64:
"_g_get_monotonic_time", referenced from:
_qvirtio_wait_queue_isr in virtio.o
_qvirtio_wait_status_byte_no_isr in virtio.o
_qvirtio_wait_config_isr in virtio.o
ld: symbol(s) not found for architecture x86_64
