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On Thu, 12 Mar 1998, Bug Hunter wrote:
> ... Unfortunately, because you did _NOT_ provide
> backward compatibility of any sort, I was unable to put 5.0 into
> production. I _will_ _not_ put RH 5.1 or 5.2 or 5.x into production unless
> I can figure out ways to support older libc5 programs that may never be
> updated. (Not all linux software is freeware, surprise!) Going to 5.0
> actually would have bankrupted me had I installed it on production systems
> when it came out.
It is entirely possible to run libc5 programs on RH 5.0 systems. In fact,
it is possible with the default installation, which installs libc5. It is
also possible to upgrade to glibc without RH 5.0 and keep compatibility
with libc5 programs (for example, when I installed glibc, netscape was
still compiled to use libc5, and it still worked). The only thing you
have to do is make sure that you have your dynamic linker configured
properly. It is even possible to still support libc4 (a.out) programs.
> Once I get the round-tuit, I may figure out how to support the older
> programs. It should be _possible_, given intelligent linkers. Heck, a
> linker that reads a load map that says "for this program, use this
> library" would work. If you did it right, it would even operate very
> quickly and you would only pay the performance penalty at load time.
This happens (not quite the way you describe, but the linker runs libc5
programs with libc5, and glibc programs with glibc).
_____________________________________________________________________________
Kevin Mernick
[EMAIL PROTECTED] / [EMAIL PROTECTED]
"You certainly usually find something, if you look, but it is not always
quite the something you were after." --J.R.R. Tolkien
finger [EMAIL PROTECTED] for PGP public key
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