Xavier Leroy wrote:
> 
> [ Cross-compiling OCaml bytecode for a runtime system containing
>   platform-specific external functions. ]
> 
> > I notice there is an undocumented compiler switch -use-prims <file>.
> > Maybe this would solve my problem if I knew the format of <file>?
> 
> Yes, -use-prims is exactly what you need.  The format is one C
> function name per line, in the exact order in which they appear in the
> table cprim[] in byterun/prims.c.
> 
> Even easier: building the runtime system in byterun produces the file
> byterun/primitives, which happens to have exactly the right format.  Whopee!

Sorry, doesn't work.  I try to compile the following file:

 let _ = c_test ();;

and all I get is this:

  C:\Data\ocaml>ocamlc -use-prims prims ctest.ml
  File "ctest.ml", line 1, characters 8-14:
  Unbound value c_test

even though I have put c_test at the bottom of the list in prims.

Any ideas?
-- 
    Tore

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