Hi Andrew,

A patch was delivered yesterday, so run `opam update` before `opam install
ocp-indent`. You should be able to install without problem now.


On Thu, May 12, 2016 at 10:55 PM, Junsong Li <ljs.darkfish@gmail.com> wrote:

> Oops, just tried. I got the same compilation error, so it is not your
> building environment.
>
> Since you just get started, I would recommend work on 4.02.3. Multicore
> will be just one piece of the whole OCaml eco-system, so you can hone your
> skills on the rest for now. And many tools still have problems with 4.03.0
> (Batteries is released today for 4.03.0, yeah!) and certainly you don't
> want to deal with these overhead when you just get started.
>
> Anyway, welcome to the list.
>
> On Wed, May 11, 2016 at 11:31 PM, vrotaru.md@gmail.com <
> vrotaru.md@gmail.com> wrote:
>
>> Sorry to disappoint you, but there is no multicore support in OCaml, yet.
>> At least, in a form which which is suitable for beginners. (Cause you can
>> span a thread from C, or use a very-very devel branch which supports it)
>>
>> As for ocaml-top you either switch to a version where it compiles
>> (4.02.3) or wait until ocp-index get fixed.
>>
>>
>> În joi, 12 mai 2016 la 02:19, Andrew Shi-hwa Chen <andrewsw@gmail.com> a
>> scris:
>>
>>> I'm new to OCaml and trying to get started by getting ocaml-top
>>> installed.
>>>
>>> I really want to use 4.03.0 because I really want to have all my
>>> experience with OCaml be with multicore OCaml (I had a list of criteria
>>> that I was looking for in my next language, and OCaml was almost perfect
>>> until multicore support came along - when it came along, that made it
>>> perfect and worth overcoming the inertia of trying to switch from my
>>> current language of daily use).
>>>
>>> Unfortunately, ocaml-top has ocp-indent as a dependency, and when I try
>>> to install ocp-indent, I get the following error. If this is due to a known
>>> issue, let me know and I'll wait for a fix. If this is due to some issue
>>> with my build environment, please direct me to appropriate resources for
>>> figuring out how to remedy this problem.
>>>
>>> Furthermore, if there are good resources or tips for helping to
>>> determine when a problem is a build environment issue as opposed to an
>>> issue with an existing package that just needs to be updated, please let me
>>> know what they are.
>>>
>>> Thanks,
>>> Andrew
>>>
>>>
>>>
>>> #=== ERROR while installing ocp-index.1.1.4
>>> ===================================#
>>> # opam-version 1.2.2
>>> # os           darwin
>>> # command      make
>>> # path         /Users/chenan/.opam/4.03.0/build/ocp-index.1.1.4
>>> # compiler     4.03.0
>>> # exit-code    2
>>> # env-file
>>> /Users/chenan/.opam/4.03.0/build/ocp-index.1.1.4/ocp-index-13029-a00279.env
>>> # stdout-file
>>> /Users/chenan/.opam/4.03.0/build/ocp-index.1.1.4/ocp-index-13029-a00279.out
>>> # stderr-file
>>> /Users/chenan/.opam/4.03.0/build/ocp-index.1.1.4/ocp-index-13029-a00279.err
>>> ### stdout ###
>>> # ocp-build -init
>>> # ocp-build ocp-index-lib
>>> ### stderr ###
>>> # [...]
>>> # [33.1] '/Users/chenan/.opam/4.03.0/bin/ocamlc.opt' '-g' '-w'
>>> '+1..39-4-9-37-40' '-safe-string' '-bin-annot' '-c' '-o'
>>> '_obuild/7ee5d0cd3cfec6c5ba81000630d4c060/indexOut.cmo' '-I'
>>> './_obuild/ocp-index-lib' '-I' './src' '-I'
>>> '/Users/chenan/.opam/4.03.0/lib/ocp-indent/utils' '-I'
>>> '/Users/chenan/.opam/4.03.0/lib/ocaml/compiler-libs' '-I'
>>> '/Users/chenan/.opam/4.03.0/lib/ocp-indent/lexer' 'src/indexOut.ml'
>>> #
>>> # File "src/indexOut.ml", line 184, characters 17-25:
>>> # Error: This pattern matches values of type 'a * 'b * 'c
>>> #        but a pattern was expected which matches values of type
>>> #          Outcometree.out_val_decl
>>> #
>>> # Error:
>>> # Target _obuild/ocp-index-lib/indexOut.cmo not built
>>> # make: *** [ocp-index-lib] Error 2
>>>
>>>
>