[36081] in Kerberos
Re: TCP support for MIT Kerberos in HP-UX IA64
daemon@ATHENA.MIT.EDU (Simo Sorce)
Sun Apr 27 22:15:25 2014
From: Simo Sorce <simo@redhat.com>
To: Greg Hudson <ghudson@mit.edu>
In-Reply-To: <535D2681.3090501@mit.edu>
Date: Sun, 27 Apr 2014 22:14:58 -0400
Message-ID: <1398651298.10424.16.camel@willson.li.ssimo.org>
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Cc: Vipul Mehta <vipulmehta.1989@gmail.com>, kerberos@mit.edu
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On Sun, 2014-04-27 at 11:47 -0400, Greg Hudson wrote:
> On 04/26/2014 02:59 PM, Vipul Mehta wrote:
> > As everything is working fine with the change, can someone please commit this change to the repository for get_so_error() in sendto_kdc.c
> >
> > #if defined(__hpux)
> > int sockerrlen;
> > #else
> > socklen_t sockerrlen;
> > #endof
>
> I don't think we'd want to make that change exactly. For one thing, it
> seems likely that there are HPUX compilation environments for which
> using socklen_t would work and using int would break.
>
> Ideally, we want an autoconf test which determines whether the final
> argument of getsockopt should be int * or socklen_t * under the compiler
> and CFLAGS specified by the user. From that test we would define a type
> in include/port-sockets.h, and use that type when calling getsockopt.
>
> I'm not immediately sure how to write the autoconf test, though. My
> hope is that passing socklen_t * as the final getsockopt argument
> generates a warning on HPUX (perhaps you can verify this), and we can
> use that to distinguish. But AC_COMPILE_IFELSE doesn't appear to fail
> on warnings, so I'm not sure what the best autoconf idiom is to look for
> warnings.
Maybe add -Werror so warnings are fatal ?
> I did find
> http://lists.gnu.org/archive/html/autoconf/2007-05/msg00079.html
> which works by triyng to to redefine prototypes for accept and connect
> to determine whether a system is using socklen_t. But it's pretty
> complicated and the author wasn't completely confident in its
> correctness at the time.
> ________________________________________________
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> https://mailman.mit.edu/mailman/listinfo/kerberos
--
Simo Sorce * Red Hat, Inc * New York
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