diff --git a/Makefile b/Makefile
index c395e77..d5941c7 100644
--- a/Makefile
+++ b/Makefile
@@ -46,10 +46,11 @@ $(filter %-user,$(SUBDIR_RULES)): libqemu_user.a
 
 recurse-all: $(SUBDIR_RULES)
 
-tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/libxc
-tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/blktap/lib
-tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/xenstore
-tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/include
+CPPFLAGS += -I$(XEN_ROOT)/tools/libxc
+CPPFLAGS += -I$(XEN_ROOT)/tools/blktap/lib
+CPPFLAGS += -I$(XEN_ROOT)/tools/xenstore
+CPPFLAGS += -I$(XEN_ROOT)/tools/include
+
 tapdisk-ioemu: tapdisk-ioemu.c cutils.c block.c block-raw.c block-cow.c block-qcow.c aes.c block-vmdk.c block-cloop.c block-dmg.c block-bochs.c block-vpc.c block-vvfat.c block-qcow2.c hw/xen_blktap.c osdep.c
 	$(CC) -DQEMU_TOOL $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) $(LDFLAGS) $(BASE_LDFLAGS) -o $@ $^ -lz $(LIBS)
 
diff --git a/xen-config-host.h b/xen-config-host.h
index 5b1f4d7..f34e76b 100644
--- a/xen-config-host.h
+++ b/xen-config-host.h
@@ -32,9 +32,6 @@ extern int xc_handle;
 extern int xen_pause_requested;
 extern int vcpus;
 
-#define DEFAULT_NETWORK_SCRIPT "/etc/xen/qemu-ifup"
-#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/xen/qemu-ifdown"
-
 #ifdef CONFIG_STUBDOM
 #define bdrv_host_device bdrv_raw
 #endif
diff --git a/xen-config.mak b/xen-config.mak
index 6210619..40984bc 100644
--- a/xen-config.mak
+++ b/xen-config.mak
@@ -8,4 +8,4 @@ CONFIG_SOFTMMU=yes
 
 CFLAGS += -I$(QEMU_ROOT)/hw
 
-bindir = ${prefix}/${LIBLEAFDIR}/xen/bin
+bindir = ${LIBEXEC}
diff --git a/xen-hooks.mak b/xen-hooks.mak
index c6b4f8c..211416e 100644
--- a/xen-hooks.mak
+++ b/xen-hooks.mak
@@ -78,4 +78,4 @@ datadir := $(subst qemu,xen/qemu,$(datadir))
 docdir :=  $(subst qemu,xen/qemu,$(docdir))
 mandir :=  $(subst share/man,share/xen/man,$(mandir))
 
-configdir := /etc/xen
+configdir := $(XEN_SCRIPT_DIR)
diff --git a/xen-setup b/xen-setup
index 8ca0019..fde1568 100755
--- a/xen-setup
+++ b/xen-setup
@@ -9,7 +9,14 @@ rm -f config-host.mak
 
 if test -f config-host.h; then mv config-host.h config-host.h~; fi
 
-./configure --disable-gfx-check --disable-curses --disable-slirp "$@" --prefix=/usr
+if test -z "${PREFIX}"; then
+	PREFIX="/usr"
+fi
+if test -z "${XEN_SCRIPT_DIR}"; then
+	XEN_SCRIPT_DIR="/etc/xen/scripts"
+fi
+
+./configure --disable-gfx-check --disable-curses --disable-slirp "$@" --prefix=${PREFIX}
 
 target=i386-dm
 
@@ -22,6 +29,8 @@ ln -sf ../xen-config.mak $target/config.mak
 cat xen-config-host.mak >>config-host.mak
 
 sed -e 's,qemu,xen/qemu,' config-host.h >config-host.h.new
+echo "#define DEFAULT_NETWORK_SCRIPT      \"${XEN_SCRIPT_DIR}/qemu-ifup\"" >>config-host.h.new
+echo "#define DEFAULT_NETWORK_DOWN_SCRIPT \"${XEN_SCRIPT_DIR}/qemu-ifdown\"" >>config-host.h.new
 echo '#include "xen-config-host.h"' >>config-host.h.new
 
 if test -f config-host.h~; then mv config-host.h~ config-host.h; fi