FreeTDS Development Group

["kevin bartz" <kbartz AT loyaltymatrix.com>]

Hi James! Thanks for your help. I learned quite a bit from your response,
and am now a bit more comfortable with my runtime linker! I thought I would
let you know what happened when I ran the commands you suggested. First,

kevin@redtail:~/test> readelf -d `which tsql` |sed -ne1,/rpath/p

Dynamic segment at offset 0x3428 contains 22 entries:
  Tag        Type                         Name/Value
 0x0000000000000001 (NEEDED)             Shared library: [libreadline.so.4]
 0x0000000000000001 (NEEDED)             Shared library: [libtds.so.3]
 0x0000000000000001 (NEEDED)             Shared library: [libc.so.6]
 0x000000000000000c (INIT)               0x4014f8
... (nothing more interesting)...

Looks pretty similar to yours, except for the libreadline instead of curses
and a 6 instead of a 5. Is that a potential problem?

On my system, libreadline.so.4 points to libreadline.so.4.3.old, not
libreadline.so.4.3. I also have libreadline.so.4.3, though, so I tried
linking libreadline.so.4 to libreadline.so.4.3, but tsql gave the same
error.

Running the next line you suggested, I get

kevin@redtail:~/test> nm /usr/local/lib/libreadline.so.4 |grep BC
                 U abort@@GLIBC_2.2.5
                 U access@@GLIBC_2.2.5
                 U BC
                 U closedir@@GLIBC_2.2.5

Does this mean anything?

As far as ncurses, I do have three of them installed, one regular, one
32-bit and one for YaST (a SuSE administrative program). Is there some way I
can tell which ncurses tsql is trying to use? Then maybe you could tell me
whether it's the right one, wrong one, etc. and I could link it to the right
one.

Anyway, thanks so much for all your help. I'm learning a lot, and I think
I'm getting close! Let me know if there's anything you think I could do
next.

Kevin

-----Original Message-----
From: freetds-bounces AT lists.ibiblio.org
[mailto:freetds-bounces AT lists.ibiblio.org] On Behalf Of James K. Lowden
Sent: Friday, June 18, 2004 3:44 PM
To: FreeTDS Development Group
Subject: Re: [freetds] tsql problem

On Fri, 18 Jun 2004, "kevin bartz" <kbartz AT loyaltymatrix.com> wrote:
> ldd gives
> 
> kevin@redtail:~/test> ldd /usr/local/bin/tsql
> 
>         libreadline.so.4 => /usr/local/lib/libreadline.so.4
>         libtds.so.3 => not found
>         libc.so.6 => /lib64/libc.so.6

You want to understand your runtime linker a little better, not that
that's everyone's favorite pasttime. 

And ELF binary can incorporate runtime link paths.  I'm curious, what does
your machine show for this:

$ readelf -d `which tsql` |sed -ne1,/rpath/p

Dynamic segment at offset 0x2e6c contains 20 entries:
  Tag        Type                         Name/Value
 0x00000001 (NEEDED)                     Shared library: [libcurses.so.5]
 0x00000001 (NEEDED)                     Shared library: [libtds.so.3]
 0x00000001 (NEEDED)                     Shared library: [libc.so.12]
 0x0000000f (RPATH)                      Library rpath: [/usr/local/lib]

(ISTR Linux systems often don't use the RPATH entry.  I guess it would be
set by libtool.)

Regarding readline, 

$ nm /usr/pkg/lib/libreadline.so.4 |grep BC
00028ebc B BC

On my system, libreadline.so.4 points to libreadline.so.4.3.  Yours?  

Note, my binary uses libcurses.so.5 and you (seem to) have three ncurses
installed.  Maybe tsql is linked to the wrong one?  

HTH.

--jkl
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