Re: build failures on Solaris

[Guy Harris via tcpdump-workers <tcpdump-workers () lists tcpdump org>]

> --- Begin Message ---
>
>
> From: Guy Harris <gharris () sonic net>
>
> Date: Sun, 8 Aug 2021 01:22:09 -0700
>
> On Jul 31, 2021, at 3:37 AM, Denis Ovsienko via tcpdump-workers <tcpdump-workers () lists tcpdump org> wrote:
>
> > ##### Solaris 11 with GCC #####
> > This is the opposite: the pre-compile libpcap feature test programs
> > fail to link so all libpcap feature tests fail. However, libpcap is
> > detected as available and the build process resorts to missing/ and
> > produces a binary of tcpdump that is mostly functional:
> >
> > $ /tmp/tcpdump_build_matrix.XX06MD.a/bin/tcpdump -D
> > /tmp/tcpdump_build_matrix.XX06MD.a/bin/tcpdump: illegal option -- D
> >
> > The problem seems to be that the feature test linking instead of using
> > the flags returned by pcap-config points exactly to the 32-bit version
> > of libpcap and fails:
>
> I've checked in changes to:
>
>         check the bit-width of the build in autotools;
>
>         on Solaris, use the results of the bit-width checks for autotools and CMake to figure out which version of 
> pcap-config to run.
>
> See if that clears up the Solaris 11 with GCC build.
>
> --- End Message ---
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