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From: Yotam Barnoy <yotambarnoy@gmail.com>
Date: Thu, 18 Sep 2014 18:29:55 -0400
Message-ID: <CAN6ygOm_BASBhHs45UkYPg_47v3zYcohVssaSc5NE3cf31fohA@mail.gmail.com>
To: =?UTF-8?Q?Gr=C3=A9goire_Henry?= <gregoire.henry@ocamlpro.com>
Cc: OCaml Mailing List <caml-list@inria.fr>
Content-Type: multipart/alternative; boundary=001a11c3c47e48e1e405035e87f6
Subject: Re: [Caml-list] opam local switch

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Awesome, thanks.

On Thu, Sep 18, 2014 at 6:28 PM, Gr=C3=A9goire Henry <gregoire.henry@ocamlp=
ro.com
> wrote:

> Hi,
>
> > My question is, if I set OPAMSWITCH, will I then be able to run regular
> > (non-opam) ocaml build commands in the local shell in the given compile=
r,
> > while running commands in a different shell with a different compiler?
>
> No, it is not. But, what you are looking for is probably:
>
>   eval $(opam config env --switch 3.12.1)
>
> This will setup the proper environment for ocaml-3.12.1 in the current
> terminal (including the OPAMSWITCH variable) without changing the
> "global default switch".
>
> The previous command is equivalent to:
>
>   export OPAMSWITCH=3D3.12.1
>   eval $(opam config env)
>
> -- Gr=C3=A9goire
>

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<div dir=3D"ltr">Awesome, thanks.</div><div class=3D"gmail_extra"><br><div =
class=3D"gmail_quote">On Thu, Sep 18, 2014 at 6:28 PM, Gr=C3=A9goire Henry =
<span dir=3D"ltr">&lt;<a href=3D"mailto:gregoire.henry@ocamlpro.com" target=
=3D"_blank">gregoire.henry@ocamlpro.com</a>&gt;</span> wrote:<br><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex">Hi,<br>
<span class=3D""><br>
&gt; My question is, if I set OPAMSWITCH, will I then be able to run regula=
r<br>
&gt; (non-opam) ocaml build commands in the local shell in the given compil=
er,<br>
&gt; while running commands in a different shell with a different compiler?=
<br>
<br>
</span>No, it is not. But, what you are looking for is probably:<br>
<br>
=C2=A0 eval $(opam config env --switch 3.12.1)<br>
<br>
This will setup the proper environment for ocaml-3.12.1 in the current<br>
terminal (including the OPAMSWITCH variable) without changing the<br>
&quot;global default switch&quot;.<br>
<br>
The previous command is equivalent to:<br>
<br>
=C2=A0 export OPAMSWITCH=3D3.12.1<br>
=C2=A0 eval $(opam config env)<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
-- Gr=C3=A9goire<br>
</font></span></blockquote></div><br></div>

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