[cl-typesetting-devel] Final zlib fix, and CLISP support

[Marc Battyani]

"Klaus Weidner" <kw at w-m-p.com> wrote:

> On Sat, Apr 24, 2004 at 10:46:02PM +0200, Marc Battyani wrote:
> > The problem here is with delivered images or executables.
> > By putting a compile time conditionnal (a :uffi feature) in
> > cl-typesetting.asd you will decide at compile time if you have or not
zlib
> > (and where it is). This will break if you tranfert the Lisp software to
> > another PC and zlib is not at the same place. The way it is now is to be
> > completely dynamic. A (load-zlib) at run time would load it if it finds
it.
>
> I can't follow you here - the :uffi feature declares if the foreign
> function interface is available for this Lisp implementation or not. It
> doesn't have anything to do with the existence or location of a zlib
> library.
>
> So if you compile on a system with UFFI support, the resulting delivered
> image will include all the #+uffi code. It will locate and load zlib if
> it can, or fall back to no compression if that fails.
>
> Or am I completely misunderstanding something here?

No you are right, I didn't noticed that UFFI could be missing on some
implementations and I thought (wrongly) that it was to conditionnalize zlib.

Marc