Re: [Caml-list] Re: Building a universal binary on OS X?

[Andres Varon]

On May 24, 2008, at 3:31 AM, Michel Schinz wrote:

Alan Schmitt <[EMAIL PROTECTED]> writes:

[...]

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.

Actually you can cross compile it in your intel mac, this is what I  
use to configure it:

./configure -cc "gcc -mmacosx-version-min=10.4 -arch ppc -isysroot / 
Developer/SDKs/MacOSX10.4u.sdk" -prefix /opt/ocaml/3.10.2/tiger/ppc - 
host powerpc-apple-darwin8.11.0

Then use the standard make world; make opt;  ....

Andres



Michel.

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