Do not include netinet/if_ether.h for musl to prevent struct ethhdr
redeclarations.
Also define NETDB_INTERNAL if needed to fix compilation of the network
backends.
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
The cross-compiling patch is no longer necessary. Also added librt as a
dependency, since it is required. This also fixes an issue where
support for linux/errqueue.h was not being detected correctly and
causing a build failure with 3.18.
Signed-off-by: John Szakmeister <john@szakmeister.net>
Jo-Philipp Wich