From: "Mark Shinwell" <mshinwell@janestreet.com>
To: Jianzhou Zhao <jianzhou@seas.upenn.edu>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Debugging C and OCaml
Date: Tue, 2 Mar 2010 07:42:29 +0000 [thread overview]
Message-ID: <20100302074229.GH26002@janestreet.com> (raw)
In-Reply-To: <9dfe358d1003011648g58c07831p9b27bc76276a9461@mail.gmail.com>
On Mon, Mar 01, 2010 at 07:48:56PM -0500, Jianzhou Zhao wrote:
> On Mon, Mar 1, 2010 at 10:19 AM, Mark Shinwell <mshinwell@janestreet.com> wrote:
> I compiled OCaml code into *.o by 'ocamlc -custom -output-obj...',
> and then linked it with *.o from C and C++ code.
> I think this isnt a native compilation.
Agreed.
> My main C++ program is eventually compiled into a shared library.
> If I do 'ocamlopt', ld reports:
> /usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../x86_64-suse-linux/bin/ld:
> /mnt/eclipse/acg/users/jianzhou/tools/ocaml-3.11.2//lib/ocaml/libasmrun.a(amd64.o):
> relocation R_X86_64_PC32 against symbol `caml_last_return_address' can
> not be used when making a shared object; recompile with -fPIC
You need to build the runtime as position-independent code. Unfortunately
this is non-trivial. I suggest you try looking at this thread which may
help you:
http://caml.inria.fr/pub/ml-archives/caml-list/2010/01/9894615c02692ca5b86e2a891d8cf324.en.html
Mark
prev parent reply other threads:[~2010-03-02 7:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-01 15:10 Jianzhou Zhao
2010-03-01 15:19 ` [Caml-list] " Mark Shinwell
2010-03-01 19:24 ` rixed
2010-03-01 19:27 ` Mark Shinwell
2010-03-02 9:50 ` rixed
2010-03-02 0:48 ` Jianzhou Zhao
2010-03-02 0:52 ` Jianzhou Zhao
2010-03-02 7:36 ` Mark Shinwell
2010-03-02 7:42 ` Mark Shinwell [this message]
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