Hi Christoph,

I can't check now, but it sounds like you forgot to link $(ocamlc
-where)/std_exit.o into your executable.

Cheers!
Nicolas


On Fri, Feb 3, 2017 at 9:56 AM, Christoph Höger <
christoph.hoeger@celeraone.com> wrote:

> Dear all,
>
> I managed to manually link and run an object file generated by ocamlopt. A
> small part seems to be missing, however:
>
> ➜  llvmlink ocamlfind opt -package ANSITerminal -linkpkg -verbose
> -output-obj -o test.object.o test.ml
>
> ➜  llvmlink clang -I$(ocamlc -where) -lm wrapper.c test.object.o -o
> wrapper ~/.opam/4.04.0/lib/ocaml/libunix.a -ldl ~/.opam/4.04.0/lib/ocaml/libasmrun.a
> /home/choeger/.opam/4.04.0/lib/ANSITerminal/libANSITerminal_stubs.a
>
> These commands produce an executable output, but the screen remains empty.
> This changes, when I manually flush the stdout buffer in the code (I obtain
> the desired results then).
>
> Find attached the test sources. When I uncomment the Printf.printf in
> test.ml, everything seems to work fine. But when I compile the test using
> ocamlopt solely, this is not necessary. It seems some buffers do not get
> flushed here. Does anyone know, why?
>
> regards,
>
> Christoph
>
>