Index: tools/autotool.py
===================================================================
--- tools/autotool.py	(revision 4761f54ee981ed05e6708beb4639428d34b524c8)
+++ tools/autotool.py	(revision 8988fdea211b9827f60cfe7ed099a0d1bad17fcd)
@@ -42,5 +42,5 @@
 CONFIG = 'Makefile.config'
 MAKEFILE = 'Makefile.common'
-HEADER = 'common.h'
+HEADER = 'common.h.new'
 GUARD = 'AUTOTOOL_COMMON_H_'