[Teaching] Getting OCaml set up on a mac

[Anil Madhavapeddy]

Fixed; there was a minor typo in the `opam` file for the package;
https://github.com/ocaml/opam-repository/pull/3441

-a

> On 23 Jan 2015, at 04:33, Yaron Minsky <yminsky at janestreet.com> wrote:
> 
> Also, I can't seem to install depext, but the reason doesn't make sense:
> 
> Kalessin:~ yminsky2$ opam install depext
> [ERROR] depext is not available because your system doesn't comply
> with opam-version >= "4.02".
> Kalessin:~ yminsky2$ opam --version
> 1.2.0
> 
> I'm running the latest opam available from homebrew.
> 
> y
> 
> On Thu, Jan 22, 2015 at 10:21 PM, Yaron Minsky <yminsky at janestreet.com> wrote:
>> Does depext do anything on a mac?  On redhat? Or is it Debian only?
>> 
>> On Jan 22, 2015 10:03 PM, "Louis Gesbert" <louis.gesbert at ocamlpro.com>
>> wrote:
>>> 
>>> Just released 0.2 which should fix both issues (opam tuareg mode and
>>> stalling with vim)
>>> 
>>>> 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?
>>> 
>>> Needs more testing, but we do have those ; vim support also, but it's more
>>> lightly tested.
>>> I didn't figure how to configure Sublime yet.
>>> 
>>>> 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.
>>> 
>>> Not sure, but you can use `opam depext -l` to simply show the currently
>>> required external packages.
>>> 
>>> The one that bites most often on .deb distributions is the lack of m4,
>>> which is required by ocamlfind. It gets much more complicated as soon as you
>>> want to install e.g. gtk stuff, of course (ocaml-top...).
>>> 
>>> Best,
>>> Louis
>