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