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Date: Fri, 9 May 2014 22:20:46 +0200
From: Adrien Nader <adrien@notk.org>
To: Leonardo Laguna <modlfo@gmail.com>
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Subject: Re: [Caml-list] Embedding Ocaml in a windows application

On Fri, May 09, 2014, Leonardo Laguna wrote:
> I have given up on compiling the msvc port. I don't know why I'm getting
> errors when the '.exe' is not there.
> 
> I will try to explain better what I want to do.
> 
> I have the following files:
> 
> - plug.lib (provided by the software vendor, closed source, compiled with
> VC++), in OSX I have plug.a
> - my_main.c (the code for the plugin)
> - ocaml_stub.c (this code calls 'caml_startup()')
> - ocaml_code.ml
> 
> in OSX I compile my_main.c, ocaml_stub.c and ocaml_code.ml to obtain '.o'
> files. Then I link the .o files with plug.a and libasmrun.a. This works
> fine.
> 
> In windows I have wodi32, visual studio 2008 and Flexdll. I tried the
> following.
> - Using cl compile, ocaml_stub.c, my_main.c to obtain '.obj' files
> - Using ocamlopt, compile ocaml_code.ml to obtain a '.o' file
> - Using flexlink to link the .obj, .o, libasmrun.a, plug.lib, libgcc.a and
> libc.a
> 
> This gives me an error:
> 
> ** Cannot resolve symbols for libasmrun.a(floats.o):
>  ___strtod
> 
> I have tried to create my own strtod function and link it does not pick it.
> 
> Anybody knows how can I link my program.

Can you provide the commands? In particular the flexlink one?

Also you probably shouldn't call flexlink directly; using ocamlc should
do it.

-- 
Adrien Nader