Re: Build and check on a big-endian system

[Guy Harris <guy () alum mit edu>]

On Feb 16, 2014, at 10:58 AM, François-Xavier Le Bail <fx.lebail () yahoo com> wrote:

> > From: Guy Harris <guy () alum mit edu>
>
> > On Feb 15, 2014, at 1:21 PM, Michael Richardson <mcr () sandelman ca> wrote:
> >
> > > The ESP tests are failing because you haven't got libssl-dev.
> >
> > Yes - some tests fail if the full set of support libraries weren't available when tcpdump was built.
> >
> > Perhaps we want to suppress some tests if we don't have the appropriate libraries - or have the tests compare 
> > against the results of a tcpdump built without the library or libraries in question rather than the results of one 
> > built with them.
>
>
> We could maybe add a text in INSTALL file, like:
>
> diff --git a/INSTALL.txt b/INSTALL.txt
> index 132e118..4dc61d3 100644
> --- a/INSTALL.txt
> +++ b/INSTALL.txt
> @@ -9,6 +9,9 @@ You will need an ANSI C compiler to build tcpdump. The configure
>  will abort if your compiler is not ANSI compliant. If this happens, use
>  the generally available GNU C compiler (GCC).
>  
> +To build with crypto support, you need SSL library (libssl-dev).
> +If you don't have this library, you will have some "make check" errors.

Denis appears to have fixed that with

        commit 9e2042ebe86c41d373930dbd89b56a6a2f06fcf0
        Author: Denis Ovsienko <infrastation () yandex ru>
        Date:   Mon Feb 17 00:22:37 2014 +0400

            make OpenSSL-specific tests conditional

That still leaves the NFLOG tests; that requires looking for DLT_NFLOG in the version of libpcap being used to build 
tcpdump, which would be a bit more work.

An alternative might be to have the configure script run a test for DLT_NFLOG and somehow do something to make "make 
check" skip the NFLOG test.  A generalization might be to have some support for "if ... end" in the tests/TESTLIST 
file, with the tests checking some name specified in a file, and have the configure script add entries to that file as 
necessary.
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