Index: tools/autotool.py
===================================================================
--- tools/autotool.py	(revision 6ecc6ba60c980941c8641687727e1200ceb69419)
+++ tools/autotool.py	(revision f27f3fd3d0757456b4c88e34e107b9fc2f73a1c8)
@@ -834,4 +834,6 @@
 		sandbox_leave(owd)
 	
+	common['AUTOGEN'] = "%s/autogen.py" % os.path.dirname(os.path.abspath(sys.argv[0]))
+
 	create_makefile(MAKEFILE, common)
 	create_header(HEADER, maps)