In article <[EMAIL PROTECTED]>,
Dan Nelson  <[EMAIL PROTECTED]> wrote:
> 
> Hmm.  So does this mean that SVR4-compliant programs must be
> dynamically-linked?

Yes.  The specification says that statically-linked programs are not
compliant.

> Is there any recommendations on how an OS should supply an SVR4 libc
> to an SVR4 application when the OS itself may not be SVR4-compliant?

Theoretically, you wouldn't need any kernel-level emulation at all if
you provided the right libc.  But of course it's not really SVR4 you
want to emulate -- it's UnixWare or OpenServer or something else that
has lots of extra interfaces which are outside the ABI specification.
Overall I think it's easier to use the vendor's libraries and do the
emulation at the kernel level, as we do now.

> And this doesn't address any libraries other than libc, I suppose?

Right.

> Sounds like trying to emulate "SVR4" in itself isn't sufficient.  We
> can still call the kld svr4.ko, but it's really doing SCO/SolarisX86
> syscall emulation.

Yep.

John
-- 
  John Polstra                                               [EMAIL PROTECTED]
  John D. Polstra & Co., Inc.                        Seattle, Washington USA
  "Disappointment is a good sign of basic intelligence."  -- Chögyam Trungpa



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