freebsd stable - Dec 2004 - 'Shared object "libc.so.4" not found' when running FreeBSD 4 command on 5.3

Hi,

When trying to run my application, which was compiled on FreeBSD4.8,
on FreeBSD 5.3, It does not work and appears
       'Shared object "libc.so.4" not found.'

After make an symbolic link as follows,
      # ln -s /usr/lib/libc.so  /usr/lib/libc.so.4
it works well.

Is this link is correct for this problem?

My kernel config file includes 'options	  COMPAT_FREEBSD4' line.
I wonder if this option has some problems.

Best regards,

Hideki Yamamoto
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Hideki YAMAMOTO 		     |
Broadband Media Solutions Department | E-mail: yamamoto436@oki.com
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On Thu, Dec 23, 2004 at 12:24:49PM +0900, Hideki Yamamoto
wrote:
> When trying to run my application, which was compiled on FreeBSD4.8,
> on FreeBSD 5.3, It does not work and appears
>        'Shared object "libc.so.4" not found.'
> 
> After make an symbolic link as follows,
>       # ln -s /usr/lib/libc.so  /usr/lib/libc.so.4
> it works well.
> 
> Is this link is correct for this problem?
It may work, but it's not recommended.  A recommended solution is that
you either re-compile the application, or install ports/misc/compat4x/
so you get libc.so.4.
> My kernel config file includes 'options	  COMPAT_FREEBSD4' line.
> I wonder if this option has some problems.
This should not be painful :-)  If you have many 4-STABLE binaries then
you will want this.

Cheers,
-- 
Xin LI <delphij frontfree net>	http://www.delphij.net/
See complete headers for GPG key and other information.

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On Thu, Dec 23, 2004 at 12:24:49PM +0900, Hideki Yamamoto
wrote:
> 
> Hi,
> 
> When trying to run my application, which was compiled on FreeBSD4.8,
> on FreeBSD 5.3, It does not work and appears
>        'Shared object "libc.so.4" not found.'
> 
> After make an symbolic link as follows,
>       # ln -s /usr/lib/libc.so  /usr/lib/libc.so.4
> it works well.
> 
> Is this link is correct for this problem?
No!
> My kernel config file includes 'options	  COMPAT_FREEBSD4' line.
> I wonder if this option has some problems.
No, that's just the kernel compatibility.  To run dynamically-linked
4.x binaries, you need to install the misc/compat4x package.

Kris
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Hello Hideki,

Creating symbolic links with libaries is not the recommended way to make
programms working. Sooner or later this method will entail new problems. The
port misc/compat4x installs the missing libc.so.4. Alternatively install it with
"pkg_add -r compat4x-i386-5.3".

Best regards
Bj?rn K?nig