Re: [Caml-list] Forcing OCamlbuild to compile a file before another

[Dario Teixeira <dario.teixeira@nleyten.com>]

Hi,

Still on the subject of getting module aliases and -no-alias-deps to 
work
with OASIS and OCamlbuild: I've created a repo on Github for Libfoobar 
[1],
the dummy example I've been using to test and play with this problem.

As you can see, I've opted to postprocess the output of OCamldep outside
the OCamlbuild plugin.  Essentially, I set the Options.ocamldep to call
myocamldep.ml, an OCaml script that serves as frontend to OCamldep and
does the actual postprocessing.

Note that there is project-specific knowledge in myocamldep.ml: there is 
a
dictionary 'dict' mapping between the module alias files (foo.ml and 
bar.ml)
and the aliases declared in each one.  This is the same information that
should be contained in an mlalias file.  In addition, the script makes 
some
assumptions regarding the naming of modules.  Though obviously this 
solution
is far from optimal, this being just a stop-gap measure it will do for 
now.

I've come across a snag which puts some doubt on the hope that this 
could
all be implementable without touching OCamldep itself.  Consider the 
Bar_a
module.  It should depend on Bar, Foo, and Foo_a.  However, OCamldep 
reports
its dependencies as only Bar and Foo.  The missing dependency on Foo.A 
is not
considered, which of course makes sense, but it's not what I was hoping 
for!

Kind regards,
Dario Teixeira

[1] https://github.com/darioteixeira/libfoobar