* Re: [Caml-list] compiling PatoLine typesetting system on Ubuntu 20.04
2021-02-23 10:32 [Caml-list] compiling PatoLine typesetting system on Ubuntu 20.04 Basile Starynkevitch
@ 2021-02-23 12:19 ` Gabriel Scherer
0 siblings, 0 replies; 2+ messages in thread
From: Gabriel Scherer @ 2021-02-23 12:19 UTC (permalink / raw)
To: Basile Starynkevitch; +Cc: caml users
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Hi Basile,
I think that the error you get comes from a transition from opam1 (used in
the Patoline webpage for instructions, I guess) to opam2, which changed the
"opam switch" behavior to stop installing a new switch explicitly. The
command recommended in the error message, "opam switch create 4.05.0", will
do the equivalent of the README's command, and get you a 4.05.0 switch. You
should be able to build Patoline there, assuming the dependency bounds have
not bitrotted away.
Getting Patoline to work on a more recent OCaml version may be very easy
(just installing it in a newer switch) or very hard, depending on the
change-robustness and maintenance level of its codebase and various
dependencies. You cannot tell without trying.
Looking at the "issues" list suggests that Patoline is intermittently
maintained by Rodolphe Lepigre, so I think you should get help if you open
an issue on the repository to report on any further trouble installing
Patoline, using either 4.05 or a more recent version.
On Tue, Feb 23, 2021 at 11:32 AM Basile Starynkevitch <
basile@starynkevitch.net> wrote:
> Hello all,
>
>
> I am interesting in compiling the PatoLine typesetting system on some
> Ubuntu 20.04 desktop
>
> (either Intel Xeon Silver 4114 at work, or AMD Ryzen Threadripper 2970WX
> at home; with at least 64Gbytes of RAM, and plenty of disk space)
>
> PatoLine is on https://github.com/patoline/patoline
>
> I would like to use a rather recent Ocaml (4.08 or newer)
>
> With the git commit 3dcd41fdff6489 of PatoLine I am getting
>
> rimski% opam switch 4.05.0
> [ERROR] No switch 4.05.0 is currently installed. Did you mean 'opam
> switch create
> 4.05.0'?
> Installed switches are:
> - default
>
> Thanks for help
>
>
> --
> Basile Starynkevitch <basile@starynkevitch.net>
> (only mine opinions / les opinions sont miennes uniquement)
> 92340 Bourg-la-Reine, France
> web page: starynkevitch.net/Basile/
>
>
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