From: Francois Berenger <francois.berenger@inria.fr>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Errors in installing 'lwt'
Date: Mon, 20 Oct 2014 17:25:50 +0200 [thread overview]
Message-ID: <5445297E.4000800@inria.fr> (raw)
In-Reply-To: <544527F5.5080105@gmx.net>
On 10/20/2014 05:19 PM, Helmut Brandl wrote:
> How do I install ocaml by opam? The command 'opam install ocaml' does
> not work.
opam switch 4.01.0 # just an example version
eval `opam config env` # use it
opam install lwt # your initial goal
> What is the difference? My ocaml system works fine and I don't want to
> compromise it because I need it.
It won't be compromised in any way, opam will just ignore it.
> Can 2 versions of ocaml coexist without any interference?
That's one of the many goals of OPAM, I believe.
OPAM's switch command allows you to "jump" between ocaml versions.
> On 10/20/2014 10:08 AM, Francois Berenger wrote:
>> As a workaround, I would recommend having a fresh ocaml installed by
>> opam.
>>
>> It always work nicer in this way, in my experience (I use the ocaml
>> installed by opam switching, not the one installed system-wide).
>>
>> On 10/20/2014 04:56 PM, Helmut Brandl wrote:
>>> My platform is the 32bit version of the archlinux distribution on x86. I
>>> have got the ocaml base installation and opam via the distribution and
>>> tried to install packages via 'opam install ...'.
>>>
>>> Everything went fine until 'opam' tried to install 'lwt'.
>>>
>>>
>>>
>>> On 10/20/2014 09:50 AM, John Whitington wrote:
>>>> Hi,
>>>>
>>>> Helmut Brandl wrote:
>>>>> Does not work either. 'opam' reinstalls 'camlp4' without any problems
>>>>> but then fails installing 'lwt'.
>>>>
>>>> You haven't mentioned what platform you're using. There's a known
>>>> issue on OS X with 2.4.6, for example:
>>>>
>>>> https://github.com/ocsigen/lwt/issues/91
>>>>
>>>> Thanks,
>>>>
>>>
>>
>
>
--
Regards,
Francois.
next prev parent reply other threads:[~2014-10-20 15:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-20 13:59 Helmut Brandl
2014-10-20 14:14 ` Török Edwin
2014-10-20 15:06 ` helmut.brandl
2014-10-20 16:21 ` Török Edwin
2014-10-20 16:37 ` Helmut Brandl
2014-10-20 17:59 ` Török Edwin
2014-10-21 8:18 ` Nicolas Boulay
[not found] ` <54461AFF.9010407@inria.fr>
2014-10-21 20:55 ` Nicolas Boulay
2014-10-21 21:25 ` Török Edwin
[not found] ` <544518F1.4050907@inria.fr>
[not found] ` <544519B6.6050007@gmx.net>
[not found] ` <54451A2A.6010300@inria.fr>
2014-10-20 14:44 ` Helmut Brandl
2014-10-20 14:50 ` John Whitington
2014-10-20 14:56 ` Helmut Brandl
2014-10-20 15:03 ` Helmut Brandl
2014-10-20 15:08 ` Francois Berenger
2014-10-20 15:19 ` Helmut Brandl
2014-10-20 15:25 ` Francois Berenger [this message]
2014-10-20 16:24 ` Helmut Brandl
2014-10-20 16:50 ` Marek Kubica
2014-10-20 15:30 ` Daniel Bünzli
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