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res_query in -lresolv

From: Jeff Bailey
Subject: res_query in -lresolv
Date: Wed, 8 May 2002 16:31:29 -0700
User-agent: Mutt/1.3.28i

I'm trying to track down two problems with programs that use
libresolv, and it might be our problem.  

The symptoms of one of the problems is that an autoconf test for
res_query in -lresolv fails.

Here's where I've gotten to:

(Desert is my Debian GNU/Linux machine)

desert:/usr/lib/debug# nm libresolv.so.2 |grep res_query
00005da4 T __res_query
00005f58 T __res_querydomain
00005da4 W res_query
00005f58 W res_querydomain

(Hurd is a Debian GNU/Hurd machine)

hurd:/usr/lib/debug# nm libresolv.so.2 |grep res_query
00005af4 T __res_query
00005ca0 T __res_querydomain

Roland McGrath helped me track down that these symbols are only
provided where the GLIBC_2.0 ABI is provided.  This appears to be
flawed, since autoconf tests would have to look for __res_query in
order to work.

If there's more information that you need, please let me know.

Jeff Bailey

 One of the great things about books is sometimes
 there are some fantastic pictures.
 -- George W. Bush 

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