* Making OS X universal binaries
@ 2007-09-12 10:08 Richard Bornat
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From: Richard Bornat @ 2007-09-12 10:08 UTC (permalink / raw)
To: caml-list
I have a need to build a OS X universal binary of an OCaml program. I
found out how to do it (apologies if this is already posted, but I
couldn't find a solution in the archives).
1. Install the PowerPC version of OCaml. Squirrel away /usr/local/bin/
ocamlopt and /usr/local/lib/ocaml (I just added ppc to their names).
2. Install the Intel version of OCaml.
3. To make a ppc version of the program, compile with /usr/local/bin/
ocamloptppc (no need to add any extra arguments), and link with /usr/
local/bin/ocamloptppc -ccopt "-arch ppc" -nostdlib -I /usr/local/lib/
ocamlppc.
That's it. When you've made both versions, merge them with lipo. ppc
compilation and loading is a bit slow, but that's the only drawback
I've found.
Sorry again if this is a bit obvious ...
Richard Bornat
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