Why?
We don't have decnet code either, yet it is nice to sniff it if you
see it.
> Some time ago mpi removed the sl(4) driver, IIUC this makes a bunch of
> code useless in tcpdump.
>
> The diff below only removes the define. If people prefer, I could also
> kill some noise by removing the useless code in print-sl.c, leaving only
> the stub functions.
>
> Comments / ok?
>
> Index: Makefile
> ===
> RCS file: /cvs/src/usr.sbin/tcpdump/Makefile,v
> retrieving revision 1.59
> diff -u -p -p -u -r1.59 Makefile
> --- Makefile 14 Oct 2015 04:55:17 - 1.59
> +++ Makefile 4 Nov 2015 18:05:23 -
> @@ -28,7 +28,7 @@ CFLAGS+=-Wall -I${.CURDIR}/../../sbin/pf
> # for pcap-int.h
> CFLAGS+=-I${.CURDIR}/../../lib/libpcap
>
> -CFLAGS+=-DCSLIP -DPPP -DHAVE_FDDI -DETHER_SERVICE -DHAVE_NET_SLIP_H
> -DHAVE_ETHER_NTOHOST -DINET6
> +CFLAGS+=-DCSLIP -DPPP -DHAVE_FDDI -DETHER_SERVICE -DHAVE_ETHER_NTOHOST
> -DINET6
>
> LDADD+= -lpcap -ll -lcrypto
> DPADD+= ${LIBL} ${LIBPCAP} ${LIBCRYPTO}
>
>
> --
> jca | PGP : 0x1524E7EE / 5135 92C1 AD36 5293 2BDF DDCC 0DFA 74AE 1524 E7EE
>