Problem compiling current snapshot

Brian Bruns camber at ais.org
Tue Apr 16 21:45:04 EDT 2002


I've added this macro to the autoconf crap.  Someone on a platform without 
INADDR_NONE want to give it a shot?

Brian

On Fri, 5 Apr 2002, Sam Denton wrote:

> Re: INADDR_NONE, here are a couple of threads that may be useful.  The first
> is a bit quick-and-dirty, the second one is fancier, but seems to cover more
> architectures.  (Note: I am not an autoconf guru, so don't ask me for help
> with actually implementing any of these.)
> http://sources.redhat.com/ml/autoconf/1999-03/msg00081.html
> 
>     * To: autoconf at gnu.org
>     * Subject: INADDR_NONE
>     * From: lars brinkhoff <lars at nocrew.org>
>     * Date: 29 Mar 1999 16:58:41 +0200
> 
> Some systems don't define INADDR_NONE.  This macro might be helpful.
> There might be a better name for it.
> 
> AC_DEFUN(AC_HAVE_INADDR_NONE,
> [AC_CACHE_CHECK([whether INADDR_NONE is defined], ac_cv_have_inaddr_none,
>  [AC_TRY_COMPILE(
>   [#include <sys/types.h>
> #include <netinet/in.h>],
>   [return INADDR_NONE;],
>   ac_cv_have_inaddr_none=yes,
>   ac_cv_have_inaddr_none=no)])
>  if test $ac_cv_have_inaddr_none != yes; then
>    AC_DEFINE(INADDR_NONE, 0xffffffff)
>  fi])
> 
> http://www.apachelabs.org/apache-mbox/199912.mbox/%3C19991225194053.A28315@s
> chumann.cx%3E
> From: Sascha Schumann <sascha at schumann.cx>
> Subject: [PATCH] improved INADDR_NONE check
> Date: Sat, 25 Dec 1999 18:40:53 GMT
> 
> --J/dobhs11T7y2rNN
> Content-Type: text/plain; charset=us-ascii
> 
>     Hi,
> 
>     this patch fixes some portability issues in the INADDR_NONE
>     m4 macro. In particular, some platforms need to include
>     <sys/types.h>.
> 
> --
> 
>           Regards,
> 
>                             Sascha Schumann
>                                  Consultant
> 
> --J/dobhs11T7y2rNN
> Content-Type: text/plain; charset=us-ascii
> Content-Disposition: attachment; filename=inaddr-none-patch
> 
> Index: acinclude.m4
> ===================================================================
> RCS file: /cvs/apache/apache-2.0/src/acinclude.m4,v
> retrieving revision 1.12
> diff -u -r1.12 acinclude.m4
> --- acinclude.m4	1999/12/24 21:22:27	1.12
> +++ acinclude.m4	1999/12/25 18:36:09
> @@ -147,9 +147,18 @@
>  dnl
>  AC_DEFUN(APACHE_INADDR_NONE,[
>    AC_TRY_COMPILE([
> +#ifdef HAVE_SYS_TYPES_H
> +#include <sys/types.h>
> +#endif
> +#ifdef HAVE_SYS_SOCKET_H
>  #include <sys/socket.h>
> +#endif
> +#ifdef HAVE_NETINET_IN_H
>  #include <netinet/in.h>
> +#endif
> +#ifdef HAVE_ARPA_INET_H
>  #include <arpa/inet.h>
> +#endif
>  ],[
>  unsigned long foo = INADDR_NONE;
>  ],[
> 
> --J/dobhs11T7y2rNN--
> 
> 
> 
> Sam Denton, WAN Technologies, INC.
> (314) 428-0888 / (800) 926-7771 Main Office
> 
> 
> -----Original Message-----
> From: Steve Langasek [mailto:vorlon at netexpress.net] 
> Sent: Thursday, April 04, 2002 1:59 PM
> To: TDS Development Group
> Subject: [freetds] Re: Problem compiling current snapshot
> 
> 
> Hello,
> 
> On Thu, Apr 04, 2002 at 12:54:33PM -0700, Steven J. Backus wrote:
> >   I'm having a problem with dblib, thought I'd try the current
> > snapshot to see if it was fixed.  I get:
> 
> > config.c: In function `lookup_host':
> > config.c:523: `INADDR_NONE' undeclared (first use in this function)
> > config.c:523: (Each undeclared identifier is reported only once
> > config.c:523: for each function it appears in.)
> 
> > I'm on Intel Solaris 2.8 using gcc 2.95.2.  I've looked everywhere
> > for this variable and can't find it declared.  TIA for any help.
> 
> On Linux, INADDR_NONE is defined to ((in_addr_t) 0xffffffff); I believe 
> this is also the correct value on other platforms.
> 
> If you can't find it anywhere in /usr/include (netinet/in.h is the right 
> file here), then perhaps this should be conditionally defined in 
> FreeTDS.
> 
> Steve Langasek
> postmodern programmer
> 
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