Re: [Caml-list] ocaml dll in an Erlang runtime

["Matthieu Dubuget" <matthieu.dubuget@gmail.com>]

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2007/6/21, Jon Harrop <jon@ffconsultancy.com>:
>
> On Thursday 21 June 2007 11:15:39 Matthieu Dubuget wrote:
> > 2007/6/21, Joel Reymont <joelr1@gmail.com>:
> > > I tried to build a shared library for use with Ruby once and failed
> > > miserably.
> >
> > Could you please elaborate about this? Maybe not on this thread.
> >
> > I ask this, because almost all my OCaml code is use as shared
> libraries...
>
> I think a lot of people (myself included) would benefit enormously if you
> could explain in words of one syllable exactly how you can compile an
> OCaml
> program into a DLL (.so on Linux) and call it from C.



Not an  OCaml "program". I simply write C DLLs embedding my Caml code as
described in
18.7.5  Embedding the Caml code in the C code
http://caml.inria.fr/pub/docs/manual-ocaml/manual032.html#htoc238

Nothing automatic. I manually write all C functions, have them call OCaml
callbacks, etc.
If this is actually what you have in mind, I can write and post one
minimalistic example.

It is possible to have a tool to turn one OCaml library (CMA/CMXA) into one
shared library.
See ODLL, from N. Canasse in the hump.

Salutations

Matt

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