Break the building/save/restore code out into a separate library libxenguest.

Also update the tools accordingly.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>

tools/python/setup.py

@@ -17,7 +17,7 @@ library_dirs = [ XEN_ROOT + "/tools/libxc",
                  XEN_ROOT + "/tools/xenstore",
                  ]
 
-libraries = [ "xenctrl", "xenstore" ]
+libraries = [ "xenctrl", "xenguest", "xenstore" ]
 
 xc = Extension("xc",
                extra_compile_args = extra_compile_args,

tools/python/xen/lowlevel/xc/xc.c

@@ -6,6 +6,7 @@
 
 #include <Python.h>
 #include <xenctrl.h>
+#include <xenguest.h>
 #include <zlib.h>
 #include <fcntl.h>
 #include <netinet/in.h>