--- src/contrib/zktreeutil/src/ZkAdaptor.h 2012-09-30 19:53:32.000000000 +0200 +++ src/contrib/zktreeutil/src/ZkAdaptor.h-gil 2013-04-04 03:37:46.731950855 +0200 @@ -21,6 +21,7 @@ #include <string> #include <vector> +#include <unistd.h> extern "C" { #include "zookeeper.h"