Re: [Caml-list] Is there some builtin function that flushes buffers on shutdown?

["Nicolás Ojeda Bär" <nicolas.ojeda.bar@lexifi.com>]

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That should be std_exit.cmx, not std_exit.ml.

Sorry about the typo.

Cheers,
Nicolas


On Fri, Feb 3, 2017 at 11:52 AM, Nicolás Ojeda Bär <
nicolas.ojeda.bar@lexifi.com> wrote:

> Hi Christoph,
>
> You are right, but that is because std_exit.cmx does not get linked by
> default when using -output-obj, so
> in fact you need to add it by hand:
>
>   ocamlfind opt -package ANSITerminal -linkpkg -verbose -output-obj -o
> test.object.o test.ml std_exit.ml
>
> Cheers!
> Nicolas
>
>
>
> On Fri, Feb 3, 2017 at 11:15 AM, Christoph Höger <
> christoph.hoeger@celeraone.com> wrote:
>
>> That sounded totally reasonable, but is not the cause. When I think about
>> it, it cannot work that way, since the linker should have complained about
>> a missing symbol, right?
>>
>> On Fri, Feb 3, 2017 at 10:16 AM, Nicolás Ojeda Bär <
>> nicolas.ojeda.bar@lexifi.com> wrote:
>>
>>> 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
>>>>
>>>>
>>>
>>
>

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