--- ../../build/libnl3/cache/libnl-3.2.25/src/nl-monitor.c 2014-06-16 16:45:51.000000000 +0200 +++ ./src/nl-monitor.c 2017-02-09 00:08:20.660339439 +0100 @@ -9,6 +9,7 @@ * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch> */ +#include <sys/select.h> #include <netlink/cli/utils.h> #include <netlink/cli/link.h>