Re: libpcap detection and linking in tcpdump

[Michael Richardson via tcpdump-workers <tcpdump-workers () lists tcpdump org>]

> --- Begin Message ---
>
>
> From: Michael Richardson <mcr () sandelman ca>
>
> Date: Sat, 23 Jan 2021 15:12:56 -0500
>
> Guy Harris via tcpdump-workers <tcpdump-workers () lists tcpdump org> wrote:
>     >> $ /tmp/libpcap/bin/pcap-config --libs -L/tmp/libpcap/lib
>     >> -Wl,-rpath,/tmp/libpcap/lib -lpcap
>
>     > So that *should* cause /tmp/libpcap/lib to be added to the executable's
>     > path, which *should* cause it to look in /tmp/libpcap/lib for shared
>     > libraries.
>
> I have never seen this work since the move from SunOS-style
> shared-library/AOUT to ELF twenty years ago.
> -R/tmp/libpcap/lib is what I used to do, but AFAIK, this is equally a no-op.
>
>     > I'll try experimenting with one of my Ubuntu VMs.
>
>     > In the meantime, for some fun head-exploding reading, take a look at
>     >   https://en.wikipedia.org/wiki/Rpath
>     > and perhaps some other documents found by a search for
>
> Yeah... I don't even know what to say.
>
> --
> ]               Never tell me the odds!                 | ipv6 mesh networks [
> ]   Michael Richardson, Sandelman Software Works        |    IoT architect   [
> ]     mcr () sandelman ca  http://www.sandelman.ca/        |   ruby on rails    [
>
>
>
> --- End Message ---
_______________________________________________
tcpdump-workers mailing list
tcpdump-workers () lists tcpdump org
https://lists.sandelman.ca/mailman/listinfo/tcpdump-workers