Subject: Re: HEADS UP: migration to fully dynamic linked "base" system
To: Johnny Billquist <firstname.lastname@example.org>
From: Jason R Thorpe <email@example.com>
Date: 08/27/2002 08:36:40
On Tue, Aug 27, 2002 at 05:28:32PM +0200, Johnny Billquist wrote:
> So there really is no checking here. It's implicitly taken care of by the
> fact that every shared object that refer to one that has it's major number
> bumped should also have the major number bumped.
ld.elf_so does do some version # sanity checking. Although, ELF's shared
library implementation is sort of weak in this area.
> And you asked why I called shared libraries in Unix a hack? :-)
This particular issue has nothing to do with "shared libraries in Unix".
One could certainly invent a shared library system for Unix which had
strict symbol version checking. However, there's a performance trade-off
to be had there.
It's not like people didn't think about this stuff.
-- Jason R. Thorpe <firstname.lastname@example.org>