On 2019/09/22 16:10, Christopher Zimmermann wrote:
> On Sat, 21 Sep 2019 09:35:50 +0100
> Laurence Tratt <lau...@tratt.net> wrote:
>
> > On Sat, Sep 21, 2019 at 09:06:16AM +0200, Christopher Zimmermann
> > wrote:
> >
> > Hello Christopher,
> >
> > >> Since other people might be affected by this, it looks like OCaml
> > >> has changed the marshalling format or similar (again...), so
> > >> Unison from -current is now incompatible with -stable. I doubt
> > >> there's anything we can do about this except, perhaps, a) add a
> > >> warning to the upgrade page b) maybe expand pkg/README to spell
> > >> out the commands needed to install Unison via OPAM.
> > > That's what I would recommend in pkg/README:
> > >
> > > $ OPAMROOT=~/opam_unison
> > > $ opam init --compiler 4.02.3
> > > $ opam install unison
> > > $ ${OPAMROOT}/4.02.3/bin/unison
> > >
> > > Would you mind testing it ?
> >
> > That works for me, with one small caveat -- since it builds the GUI
> > flavour (I must admit, I'd forgotten that Unison has a GUI!), it does
> > require the system to have gtk+2 installed. So it might be worth
> > mentioning that. Otherwise, I think those steps are very helpful --
> > thanks!
>
> OK?
>
> Index: 2.4x/pkg/README
> ===================================================================
> RCS file: /cvs/ports/net/unison/2.4x/pkg/README,v
> retrieving revision 1.2
> diff -u -p -r1.2 README
> --- 2.4x/pkg/README 4 Sep 2018 12:46:19 -0000 1.2
> +++ 2.4x/pkg/README 22 Sep 2019 14:05:25 -0000
> @@ -8,5 +8,11 @@ Unison uses native OCaml marshalling in
> means that unison might not work when the OCaml versions of
> two instances are out of sync.
> One way to work around this limitation of unison is to use
> -the OPAM OCaml package and compiler manager to sync the
> -OCaml versions on your machines.
> +the OPAM OCaml package manager to build unison with the same
> +version of the OCaml compiler on all machines:
> +
> +doas pkg_add opam
> +opam init --no-setup --root ~/opam_unison \
> + --compiler ocaml-base-compiler.4.09.0
> +opam install unison lablgtk # To build without the gui, remove lablgtk
> +$(opam var bin)/unison
> Index: 2.5x/pkg/README
> ===================================================================
> RCS file: /cvs/ports/net/unison/2.5x/pkg/README,v
> retrieving revision 1.2
> diff -u -p -r1.2 README
> --- 2.5x/pkg/README 4 Sep 2018 12:46:19 -0000 1.2
> +++ 2.5x/pkg/README 22 Sep 2019 14:05:25 -0000
> @@ -8,5 +8,11 @@ Unison uses native OCaml marshalling in
> means that unison might not work when the OCaml versions of
> two instances are out of sync.
> One way to work around this limitation of unison is to use
> -the OPAM OCaml package and compiler manager to sync the
> -OCaml versions on your machines.
> +the OPAM OCaml package manager to build unison with the same
> +version of the OCaml compiler on all machines:
> +
> +doas pkg_add opam
> +opam init --no-setup --root ~/opam_unison \
> + --compiler ocaml-base-compiler.4.09.0
> +opam install unison lablgtk # To build without the gui, remove lablgtk
> +$(opam var bin)/unison
>
>
>
>
> --
> http://gmerlin.de
> OpenPGP: http://gmerlin.de/christopher.pub
> CB07 DA40 B0B6 571D 35E2 0DEF 87E2 92A7 13E5 DEE1
Seems a useful addition but it changes the package so requires
a REVISION bump.
