On Tue, 19 Jun 2012 16:30:27 +0200
Philippe Veber <philippe.veber@gmail.com> wrote:

> Dear camlers,

Hello,

> I'm desperately stuck with the following issue: I fail to compile a program
> using a module, but have no problem using the module in question in the
> toplevel.
> 
> Here is how I use it in the toplevel
> 
> $ ocaml
>         Objective Caml version 3.12.1
> 
> # #directory
> "/home/pveber/usr/ocamlbrew/ocaml-3.12.1/lib/ocaml/site-lib/R";;
> # #load "/home/pveber/usr/ocamlbrew/ocaml-3.12.1/lib/ocaml/site-lib/R/
> R_math.cma";;
> # Rmath.pow;;
> - : float -> float -> float = <fun>
> 
> 
> Now with the following program:
> $ cat test.ml
> let x = Rmath.pow 2.
> 
> I try to compile with the options corresponding to the toplevel directives:
> 
> $ ocamlc -o rmath -I
> /home/pveber/usr/ocamlbrew/ocaml-3.12.1/lib/ocaml/site-lib/R
> /home/pveber/usr/ocamlbrew/ocaml-3.12.1/lib/ocaml/site-lib/R/R_math.cma
> test.ml
> File "test.ml", line 1, characters 8-17:
> Error: Unbound module Rmath

Do you have a R_math.cmi file in your ...site-lib/R directory ?

Regards,

Maxence

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