I very much hope the licensing isn't an issue. We purposely picked a very
liberal license to make this kind of thing as easy as possible. Do tell us
if you find an issue there.

y

On Fri, Oct 7, 2016 at 8:58 AM, Soegtrop, Michael <
michael.soegtrop@intel.com> wrote:

> Dear Gerd, Jeremie,
>
> I agree, something like a very simple shell which gets its commands and
> redirections described as some sort of AST is likely the easiest to port
> and most robust solution.
>
> I will look into Jeremie's development and omake and see if it is from a
> technical and licensing point of view reusable for ocamlbuild.
>
> Best Regards,
>
> Michael
>
> > -----Original Message-----
> > From: Gerd Stolpmann [mailto:info@gerd-stolpmann.de]
> > Sent: Thursday, October 06, 2016 8:56 PM
> > To: Jeremie Dimino; Soegtrop, Michael
> > Cc: caml-list@inria.fr
> > Subject: Re: [Caml-list] ocamlbuild on Windows and bash vs. cmd
> >
> > This is also what omake does. Pipes, redirections, and even a number of
> > commands like rm, cp, ls are completely implemented inside omake, so that
> > everything works on Unix and Windows the same. I guess this is the only
> way
> > to get to a uniform build system, at least if you don't want to depend
> on 3rd-
> > party tools like Cygwin.
> >
> > Gerd
> >
> > Am Donnerstag, den 06.10.2016, 18:45 +0100 schrieb Jeremie Dimino:
> > > I don't have an opinion on using cmd in ocamlbuild, but I have been
> > > looking at similar things for jenga recently. With jenga the actions
> > > generated by the rules are of the form (prog, args) and when one wants
> > > to to do something more complicated, they have to manually build a
> > > shell command. In the Jane Street rules we are using bash.
> > >
> > > Going through bash is often frustrating, even on Unix. Moreover for
> > > the public release of Jane Street packages I'd like to avoid relying
> > > too much on bash as it has often been a source of problems in the
> > > past.
> > >
> > > The solution I'm aimed at is to have the jenga rules produce actions
> > > using a small DSL allowing pipes and other things and interpret this
> > > DSL without the use of a third-party shell, i.e. just using system
> > > calls and threads.
> > >
> > > It's still a work in progress but I already have the backend part
> > > working [1]. It's aimed at being portable on Windows. The code for
> > > Windows is written but not yet tested, I plan to do it at some point.
> > >
> > > I imagine that it shouldn't be too use this in ocamlbuild if the [Sh]
> > > constructor was removed and replaced by a few other constructors to
> > > express pipes, redirections, etc...
> > >
> > >   [1] https://github.com/janestreet/shexp
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