Re: using opam ?

Vu Ngoc San <[email protected]>
Newsgroups gmane.comp.lang.ocaml.beginners
Message-ID <[email protected]>
thanks a lot, indeed it seems to work ! great.
I tried with sdl. I remove my old installation of ocamlsdl, and then 
ocamlfind was able to
use the opam version.

in fact : `ocamlfind ocamlc -where` gives
/usr/lib/ocaml
because this is where the standard library is, but
`ocamlfind printconf` tells me that the search path is
/home/san/.opam/system/lib

maybe some words about this on the opam FAQ would be welcome. At least, 
in order to know how all is supposed to work.

San


Le 06/11/2013 20:08, [email protected] a écrit :
>
> -[ Wed, Nov 06, 2013 at 05:44:01PM +0100, Vu Ngoc San ]----
> > The stupid thing is that I don't know how to do 2). The packages 
> seem to
> > be installed in
> > $HOME/.opam/system/lib, whereas I have a preexisting ocaml install 
> (ubuntu).
> > Do it mean that I need to include this DIR in my Makefile ?
>
> You should use ocamlfind (opam install ocamlfind).
> Then, supposed your PATH includes your opam switch bindir
> (which it should), then:
>
> ocamlfind ocamlc -where
>
> should point toward your opam switch libdir.
> At this point, compiling using ocamlfind boils down to:
>
> ocamlfind ocamlopt -package lib1,lib2,lib3 ...other-options... -c 
> module.ml
>
> where lib1 etc are the name registered in the META files (usually the 
> same as
> the opam package name)
>
> Since OcamlMakefile already uses ocamlfind (apparently for libraries 
> specified
> by the PACKS parameter) I guess everything should runs all right.
>
>
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