The configure script fails to detect libpcap in static build because it does not take into account the libnl dependency on link. As a result the configure script silently disables mausezahn build even when BR2_PACKAGE_NETSNIFF_NG_MAUSEZAHN is enabled. Add upstream patch to use pkg-config for libpcap link flags. Cc: Joris Lijssens <joris.lijssens@gmail.com> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Peter Korsgaard <peter@korsgaard.com> (cherry picked from commit de39a17f7173c82db358054752d3d65a41f0ca09) Signed-off-by: Peter Korsgaard <peter@korsgaard.com>