--- tools/Makefile.orig	2014-09-02 10:22:57.000000000 +0400
+++ tools/Makefile	2014-09-04 12:19:29.467506379 +0400
@@ -188,6 +188,7 @@
 	fi; \
 	cd qemu-xen-dir; \
 	$$source/configure --enable-xen --target-list=i386-softmmu \
+		--prefix="$(PREFIX)" --sysconfdir="/etc" \
 		--source-path=$$source \
 		--extra-cflags="-I$(XEN_ROOT)/tools/include \
 		-I$(XEN_ROOT)/tools/libxc \

.