[ocaml-ctypes] Undefined symbols error on OS X

[Travis]

Thank you, Jeremy. It was due to my misunderstanding of the library
upstream but I've got it sorted out now.

Thanks very much again
Travis


On Mon, Feb 20, 2017 at 9:11 AM Jeremy Yallop <yallop at gmail.com> wrote:

> Dear Travis,
>
> On 17 February 2017 at 04:23, Travis <travis.brady at gmail.com> wrote:
> > I'm attempting experimental OCaml bindings to Vowpal Wabbit and am stuck
> > with the error here:
> > https://gist.github.com/travisbrady/21a83ac57790455d4b9d545e8b18539a
> >
> > My code is visible at: https://github.com/travisbrady/ocaml-vw
> >
> > This is with OCaml 4.03.0, ctypes 0.11.3, Darwin 14.5.0 and libffi 3.0.13
> > installed via Homebrew.
> >
> > After changing the package order manually I still get the error. Is it an
> > issue with my code? Should I  install a more recent version of libffi?
>
> This looks like it could be a name mangling error:
>
>    Undefined symbols for architecture x86_64:
>      "_VW_Initialize", referenced from:
>          _vw_1_VW_Initialize in libvw_stubs.a(vw_stubs.o)
>         (maybe you meant: _vw_1_VW_Initialize)
>    ld: symbol(s) not found for architecture x86_64
>
> Is it possible that the C linker is being used with a C++-only library?
>
> Kind regards,
>
> Jeremy
>
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