Re: Logging practices (and why does it suck in Debian?)

[Philippe Troin <phil@fifi.org>]

Lupe Christoph <lupe@lupe-christoph.de> writes:

> On Friday, 2001-04-20 at 14:14:13 -0300, Peter Cordes wrote:
> > On Fri, Apr 20, 2001 at 10:12:42AM -0600, Tim Uckun wrote:
> > > Shared libraries may have been a good idea but somehow the
> > > implementation in both windows and linux got all weird. I just
> > > did a search for *.dll on my windows 2K system and it came back
> > > with 4,303 files.
> 
> I thought Linux supports versioning for shared libraries. Forgive me
> for being a Solaris weenie, but I can't understand why you can't
> have several versions of one shared library. Or can you in *Linux*,
> but the Debian packaging breaks this?

Huh ?

ls -l /lib/libncurses.so.*
lrwxrwxrwx    1 root     root           17 Nov  8 16:04 /lib/libncurses.so.4 -> libncurses.so.4.2
-rw-r--r--    1 root     root       238700 Mar  5  2000 /lib/libncurses.so.4.2
lrwxrwxrwx    1 root     root           17 Nov 26 20:38 /lib/libncurses.so.5 -> libncurses.so.5.0
-rw-r--r--    1 root     root       233816 Nov 21 19:55 /lib/libncurses.so.5.0

> In Solaris, you have major version numvers for incompatible changes,
> and minor versions numbers for fixes. Most libraries only use the
> major version number.

Same in Debian...

> Well, can you have two versions of libc?

You could, but glibc (>=2.1) provides versionned symbols and in
theory the soname will never have to change again :-)

Phil.