Hi,
Kevin Ryde <[EMAIL PROTECTED]> writes:
> Remember if you want to call a C code module directly from a C
> mainline then you need something the ordinary loader can cope with
> too.
>
> (If setting up something clean and portable for this stuff was easy it
> would have already been done.)
You're talking about loading the right version of shared library, right?
In fact, Libtool's versioning mechanism already makes this possible for
programs: the loader and/or dynamic linker chooses the one version of
the library the program expects to be linked against.
As for the `dlopen' equivalent to this, intuitively, I can't think of
any reason not to allow this (my understanding of the problem might be
too poor though). For instance, `dlopen ("/lib/mylib.so.2.3.4")' does
load a specific version of the lib, but in a non-portable and unclear
way. `libltdl' could provide a higher-level, portable API to do such
things.
But again, we're getting a bit off-topic. ;-)
(However, I'd be glad to hear your thoughts about adding support for
versioning to Guile's module system.)
Thanks,
Ludovic.
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