[Caml-list] How to create byte-code with static link

[Caml-list] How to create byte-code with static link

[IKEDA Katsumi]

Hi,

I make dllfoo.so libfoo.a from foo.c.
Now I can create bar the following

ocamlc -o bar -dllpath /usr/local/foo/lib -I /usr/local/foo/lib foo.cma bar.cmo

There are dllfoo.so and libfoo.a in /usr/local/foo/lib

In this case, dllfoo.so is linked as dynamic link.

Is it possible link bar and libfoo.a as static link?

Thanks.

-- 
IKEDA Katsumi  <ikeda@msi.co.jp>
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Re: [Caml-list] How to create byte-code with static link

[Jacques Garrigue]

From: IKEDA Katsumi <ikeda@msi.co.jp>

> I make dllfoo.so libfoo.a from foo.c.
> Now I can create bar the following
> 
> ocamlc -o bar -dllpath /usr/local/foo/lib -I /usr/local/foo/lib foo.cma bar.cmo
> 
> There are dllfoo.so and libfoo.a in /usr/local/foo/lib
> 
> In this case, dllfoo.so is linked as dynamic link.

Not really linked: its name is just added to a table in your ocaml
bytecode. The system linker is not called.

> Is it possible link bar and libfoo.a as static link?

Yes, you just have to add the -custom flag.

  ocamlc -custom -o bar -I /usr/local/foo/lib foo.cma bar.cmo

By the way, ocamlopt always links in custom mode.
Note also that -custom is not equivalent to -ccopt -static: this one
is passed to the system linker, and is about whether to choose
libxxx.so or libxxx.a during a custom link (it does not affect
non-custom linkage).

---------------------------------------------------------------------------
Jacques Garrigue      Kyoto University     garrigue at kurims.kyoto-u.ac.jp
		<A HREF=http://wwwfun.kurims.kyoto-u.ac.jp/~garrigue/>JG</A>
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Re: [Caml-list] How to create byte-code with static link

[IKEDA Katsumi]

Hi,

From: Jacques Garrigue <garrigue@kurims.kyoto-u.ac.jp>
Message-ID: <20021106180328C.garrigue@kurims.kyoto-u.ac.jp>
> From: IKEDA Katsumi <ikeda@msi.co.jp>
> > 
> > In this case, dllfoo.so is linked as dynamic link.
> 
> Not really linked: its name is just added to a table in your ocaml
> bytecode. The system linker is not called.

I understand.


> > Is it possible link bar and libfoo.a as static link?
> 
> Yes, you just have to add the -custom flag.
> 
>   ocamlc -custom -o bar -I /usr/local/foo/lib foo.cma bar.cmo

OK, I will try it.


> By the way, ocamlopt always links in custom mode.

Thanks,

-- 
IKEDA Katsumi  <ikeda@msi.co.jp>
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