Re: libpcap detection and linking in tcpdump

[Bill Fenner via tcpdump-workers <tcpdump-workers () lists tcpdump org>]

> --- Begin Message ---
>
>
> From: Bill Fenner <fenner () gmail com>
>
> Date: Thu, 7 Jan 2021 12:35:33 -0500
>
> On Wed, Sep 9, 2020 at 12:08 PM Denis Ovsienko via tcpdump-workers <
> tcpdump-workers () lists tcpdump org> wrote:
>
> > Travis CI tcpdump builds have been failing for a while and I went to
> > see why. It is easy to see that only the jobs that have
> > "BUILD_LIBPCAP=yes CMAKE=yes" fail
>
>
> These jobs are still failing, but now for a different reason.  The build
> succeeds, but the tests fail - the tests that require the new libpcap.
> However, if you augment TESTrun to print the version, it says
> 1.11.0-PRE-GIT but the tests that need the new libpcap still fail.  I can
> not find anything that changes LD_LIBRARY_PATH, or anything, but shortly
> after running
>
> print "Running tests from ${testsdir}\n";
>
> print "using ${TCPDUMP}\n";
>
> system "${TCPDUMP} --version";
>
> we run
>
>     $r = system "$TCPDUMP -# -n -r $input $options >tests/NEW/${outputbase}
> 2>${rawstderrlog}";
>
> and that uses the wrong libpcap.
>
> I am at loose ends as to how to debug further - a sample log from my
> attempt to see what's going on is
> https://api.travis-ci.com/v3/job/468210839/log.txt - the diffs in that run
> are very simple (and the env. variable one is probably
> incorrect/unnecessary) -
> https://github.com/the-tcpdump-group/tcpdump/compare/master...fenner:cmake-pcap
>
>   Bill
>
> --- End Message ---
_______________________________________________
tcpdump-workers mailing list
tcpdump-workers () lists tcpdump org
https://lists.sandelman.ca/mailman/listinfo/tcpdump-workers