Got it, thanks! 

On Feb 20, 2018 9:47 AM, "Alex Henrie" <alexhenrie24@gmail.com> wrote:
2018-02-19 20:11 GMT-07:00 Isira Seneviratne <isirasen96@gmail.com>:
> How do I link the ws2_32 dll?

Add this line to programs/ping/Makefile.in:

IMPORTS   = ws2_32

See programs/netstat/Makefine.in for an example.

-Alex