On 24 mai 08, at 09:31, Michel Schinz wrote:

>> My goal is to be able to compile the OS GUI version of Unison on a
>> single machine. Right now, using my intel-based notebook, I'm able to
>> compile a version that runs both on 10.4 and 10.5, but only on intel.
>
> [...]
>
>> I think I remember an old message addressing this, but I have not  
>> been
>> able to find it.
>
> You might be referring to this message:
>
> http://thread.gmane.org/gmane.comp.lang.caml.general/38930
>
> The cute trick consists in building a PPC version of OCaml on a PPC
> machine, and then copying it over to your Intel machine. It will run
> fine (albeit slowly) under Rosetta, and generate PPC executables.

Ah, thank you, this seems to be it. Just one small additional question  
about this: where should I put the supporting libraries (the ocaml  
directory with libunix.a for instance), and how can I make sure the  
ppc version of ocamlopt find these libraries, and not the i386 ones?

Thanks again,

Alan