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, 1 Aug 2021 19:19:14 -0700
>
> On Aug 1, 2021, at 6:08 PM, Denis Ovsienko <denis () ovsienko info> wrote:
>
> > On Sun, 1 Aug 2021 15:45:39 -0700
> > Guy Harris <gharris () sonic net> wrote:
> >
> > > Probably some annoying combination of one or more of "different
> > > compilers", "later version of CMake", "at least some versions of cc
> > > and gcc build 32-bit binaries by default even on Solaris 11 on a
> > > 64-bit machine(!)", and so on.
> > >
> > > This is going to take a fair bit of cleanup, not the least of which
> > > includes forcing build with both autotools *and* CMake to default to
> > > 64-bit builds on 64-bit Solaris.
> >
> > For clarity, there is no rush to fix every obscure issue in this
> > problem space, but it is useful to have the problem space mapped.
>
> At this point, I'm seeing two problems:
>
> 1) The pcap-config and libpcap.pc that we generate always include a -L flag, even if the directory is a system include 
> directory, which means that it could be wrong in a system with 32-bit and 64-bit libraries in separate directories.  
> Debian removes that from pcap-config to avoid that problem.  We shouldn't add -L in that case.
>
> 2) Tcpdump needs to work around that when configuring.
>
> The first is definitely our bug, given that Debian is working around it.
>
> The second would be helpful; we already work around Apple screwing up pcap-config by having the one they ship with 
> macOS include -L/usr/local/lib for no good reason.
>
> --- End Message ---
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