--- a/tools/qemu-xen/Makefile.target	2013-04-05 23:39:54.000000000 +0000
+++ b/tools/qemu-xen/Makefile.target	2013-04-25 13:54:59.360000000 +0000
@@ -206,6 +206,7 @@
 obj-$(CONFIG_NO_KVM) += kvm-stub.o
 obj-y += memory.o
 LIBS+=-lz
+LIBS+=-lrt

 QEMU_CFLAGS += $(VNC_TLS_CFLAGS)
 QEMU_CFLAGS += $(VNC_SASL_CFLAGS)