Use .cma for ocamlc, .cmxa for ocamlopt.  It's basically the same  
difference as .cmo files and .cmx files.

On Jun 1, 2007, at 3:22 AM, Francois Colonna wrote:

> Hello
>
> I got this error at link :
>
> make
> ocamlc  -a -o frames.cma unix.cma -cclib -lunix str.cma -cclib -lstr
> tools.cmo utils.cmo system_units.cmo atomic_symbol.cmo
> chemical_element.cmo atom.cmo path.cmo aggregate.cmo  
> chemical_group.cmo
> molecule.cmo backbone_link.cmo amino_acids.cmo side_chain.cmo
> side_chains.cmo residues.cmo proteins.cmo
> ocamlopt  -a -o frames.cmxa unix.cmxa -cclib -lunix str.cmxa -cclib
> -lstr tools.cmx utils.cmx system_units.cmx atomic_symbol.cmx
> chemical_element.cmx atom.cmx path.cmx aggregate.cmx  
> chemical_group.cmx
> molecule.cmx backbone_link.cmx amino_acids.cmx side_chain.cmx
> side_chains.cmx residues.cmx proteins.cmx
>
> /usr/local/lib/ocaml/unix.cmxa is not a compilation unit  
> description.    <===
>
>
> Does anybody knows how to fix it ?
> Thanks
> François Colonna
>
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