Hi, I am working on the Zookeeper registry backend and want to check for the existence of a Zookeeper include file, zookeeper_log.h, that requires zookeeper itself. This requires that -I/usr/local/include/zookeper be passed to CHECK_HEADERS. How do I do that? -- Regards, Richard Sharpe (何以解憂?唯有杜康。--曹操)