[Teaching] Getting OCaml set up on a mac

[Yaron Minsky]

That's odd. I'll look at this this weekend.

y
On Jan 23, 2015 11:07 AM, "Greg Morrisett" <greg at eecs.harvard.edu> wrote:

> Thanks.
>
> Your dot-emacs and dot-merlin work (with tuareg-2.0.8 which
> is what opam installs now.)
>
> However, font lock mode doesn’t automatically trigger on either
> emacs or aquamacs, in spite of the fact that I added:
>
>   (global-font-lock-mode t)
>
> If I add a hook to try to explicitly turn on font-lock:
>
>   (add-hook 'tuareg-mode-hook 'font-lock-fontify-buffer t)
>
> then I get the error:
>
>   Warning: Bug in tuareg-mode: it forgets to call `run-mode-hooks'
>   File mode specification error: (void-function tuareg-syntax-propertize)
>
> -Greg
>
> > On Jan 22, 2015, at 9:58 PM, Yaron Minsky <yminsky at janestreet.com>
> wrote:
> >
> > In the meantime, I've attached a dot-emacs and dot-merlin files that I
> > think work nicely on a mac.  The one thing you need to do is to add
> > this line to your .profile file:
> >
> >   eval `opam config env`
> >
> > The dot emacs depends on this being in place for figuring out where to
> > find all the executables stashed in the .opam directory.
> >
> > The pre-reqs for this to work is getting tuareg downloaded and in the
> > proper path (right now, I assume ~/.elisp/tuareg-mode), and installing
> > some opam packages:
> >
> >   opam install core async merlin utop ocp-indent
> >
> > This should give you merlin, ocp-indent, tuareg, and utop support, all
> > nicely integrated.  Note that the .merlin file needs to go in the
> > directory where you're editing code (and really, in every directory
> > where you're editing code.)  And the .merlin assumes that you're using
> > ocamlbuild (or corebuild) and so are putting your build artifacts in
> > _build.
> >
> > I'm hoping this is helpful.
> >
> > y
> >
> > On Thu, Jan 22, 2015 at 8:42 PM, Yaron Minsky <yminsky at janestreet.com>
> wrote:
> >> On Thu, Jan 22, 2015 at 8:25 PM, Louis Gesbert
> >> <louis.gesbert at ocamlpro.com> wrote:
> >>> Thanks for the feedback. It's probably still a bit rough at the moment
> but the config-updating engine is there, and polishing configuration itself
> from there should be straight-forward (and never-ending).
> >>
> >> Indeed.  Now I think is the time to really focus on getting it
> >> working, because this is the beginning of the semester, and so now is
> >> the most valuable time to have something working cleanly.
> >>
> >> It would be good to know what we have there now.  It seems like a
> >> minimum should be:
> >>
> >> - tuareg
> >> - merlin
> >> - ocp-indent
> >> - utop
> >>
> >> all read to go in emacs.  Getting vim and sublime text support would
> >> be lovely too, but I think less critical.  What does user-setup
> >> already support?
> >>
> >>> The idea, with this and the "depext" package is to have a setup that
> can be limited to:
> >>>
> >>>    PACKAGES="user-setup merlin utop cohttp js_of_ocaml oasis
> ocp-indent ocp-index ssl core_extended async js_of_ocaml core_bench cohttp
> cryptokit menhir"
> >>>    opam init -a
> >>>    opam install depext
> >>>    opam depext $PACKAGES
> >>>    opam install $PACKAGES
> >>>
> >>> and results in a ready-to-go environment. This is in particular
> targetted at VM setup, of course.
> >>
> >> Interesting. Concretely, what would would depext do in this context?
> >> I did a fresh install of a number of packages on my mac, and I didn't
> >> need much else, but I may have already had the dependencies in place
> >> via brew.
> >>
> >> y
> >>
> >>>> - Yaron Minsky, 22/01/2015 10:56 -
> >>>> It installed cleanly for me, but it doesn't quite work.  I installed
> >>>> user-setup, merlin, ocp-indent, tuareg, utop, core and async.  It all
> >>>> went through, but when I open a .ml file, it shows up in lisp mode,
> >>>> not tuareg.
> >>>
> >>> Seems it doesn't handle the opam-installed tuareg package well at the
> moment, should be fixed in a moment.
> >>>
> >>>> On Thu, Jan 22, 2015 at 10:54 AM, Greg Morrisett <
> greg at eecs.harvard.edu> wrote:
> >>>>> Okay, I just followed these steps:
> >>>>>>
> >>>>>>  opam update
> >>>>>>  opam install user-setup
> >>>>>
> >>>>> and it seems to be hanging.  Is there a log file or
> >>>>> other config information that I can send you to help
> >>>>> figure this out?
> >>>
> >>> Thanks. I just managed to reproduce on OPAM 1.1 and hope to fix it
> quickly.
> >>
> >> Greg, it's also probably a good idea to encourage your students to
> >> upgrade to the latest opam if they're on a mac.  Homebrew is pretty
> >> lightweight, and has opam 1.2.0.
> >>
> >> y
> > <dot-emacs><dot-merlin>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ocaml.org/pipermail/teaching/attachments/20150123/5af150ca/attachment.html>