From: "Nathan Mishra Linger" <nathan.mishralinger@gmail.com>
To: "Julien Moutinho" <julien.moutinho@gmail.com>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] OCaml/C interface
Date: Fri, 26 Oct 2007 11:13:42 -0700 [thread overview]
Message-ID: <ab0c618e0710261113j7b5f0f44xef68881842b49546@mail.gmail.com> (raw)
In-Reply-To: <20071026091806.GA10054@localhost>
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On 10/26/07, Julien Moutinho <julien.moutinho@gmail.com> wrote:
>
> On Thu, Oct 25, 2007 at 03:17:43PM -0700, Nathan Mishra Linger wrote:
> > Having just read Chapter 18 of the manual regarding "Interfacing C with
> > OCaml", I wrote a simple program to test my understanding. However,
> when I
> > try to compile it I run into some undefined symbol problems (_tgetent,
> > _tgetnum, etc). My machine is a PowerPC iBook G4 running OS X 10.4.10.
> >
> > Does anyone know how to fix this? After Googling around, I think this
> is a
> > Mac problem rather than an OCaml one, but I thought people on this list
> > might have come up against this same problem. Also, any comments on my
> C
> > code that calls OCaml would be appreciated.
>
> A solution may be:
>
> % ls
> Makefile Makefile.old test.c test.c.old test.ml
>
> % diff -U 0 Makefile.old Makefile
> --- Makefile.old 2007-10-26 11:07:41.000000000 +0200
> +++ Makefile 2007-10-26 11:11:34.000000000 +0200
> @@ -5 +5 @@
> - cc -o myprog test.o camlcode.o -L/usr/local/lib/ocaml -lcamlrun
> + cc -o myprog test.o camlcode.o -L/usr/local/lib/ocaml -lcamlrun
> -lm -lcurses
>
> % diff -u test.c.old test.c
> --- test.c.old 2007-10-26 11:06:33.000000000 +0200
> +++ test.c 2007-10-26 11:02:42.000000000 +0200
> @@ -25,9 +25,10 @@
> int main() {
> CAMLlocal1(xs);
> char* argv[] = {"yo"};
> - caml_main(argv);
> + caml_startup(argv);
> xs = up_to(5);
> gc();
> printf("sum of [1..5] = %i\n", sum(xs));
> + return EXIT_SUCCESS;
> }
>
> % make
> ocamlc -c test.ml
> cc -I/usr/local/lib/ocaml -c test.c
> ocamlc -output-obj -o camlcode.o test.cmo
> cc -o myprog test.o camlcode.o -L/usr/local/lib/ocaml -lcamlrun -lm
> -lcurses
>
> % ./myprog
> sum of [1..5] = 15
>
> HTH,
> Julien.
Yep. That did it. Thanks, Julien!
Nathan
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next prev parent reply other threads:[~2007-10-26 18:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-25 22:17 Nathan Mishra Linger
2007-10-26 9:18 ` [Caml-list] " Julien Moutinho
2007-10-26 18:13 ` Nathan Mishra Linger [this message]
2007-10-28 12:36 ` David Teller
2007-10-28 13:34 ` skaller
2007-10-28 13:48 ` Christopher L Conway
2007-10-28 15:39 ` David Teller
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