Re: Opam issues "[ERROR] Multiple versions installed ..."

> I've been using opam for a few months now

A lot has changed over this time. It might be worth a fresh install. Do rm
-rf ~/.opam. There's also a new pre-release of opam out, so you might as
well use the newer version.


On Wed, Aug 27, 2014 at 8:51 PM, John Magolske [email protected]
[ocaml_beginners] <[email protected]> wrote:

>
>
> Hi,
>
> I've been using opam for a few months now, and it's been working quite
> nicely. Recently I've come across an error that I can't sort out...
>
> `opam upgrade` is failing with "[ERROR] Multiple versions installed
> for package ocamlfind: { 1.5.1, 1.5.2 }". Below I've pasted the full
> output for more details.
>
> Do I need to switch to a different compiler version?
>
> % opam switch list
> 4.01.0 C 4.01.0 Official 4.01.0 release
> -- -- 3.11.2 Official 3.11.2 release
> -- -- 3.12.1 Official 3.12.1 release
> -- -- 4.00.0 Official 4.00.0 release
> -- -- 4.00.1 Official 4.00.1 release
>
> Also tried `opam remove ocamlfind`, but it doesn't seem to be removing
> anything:
>
> % which ocamlfind
> /home/jm/.opam/4.01.0/bin/ocamlfind
> % opam remove ocamlfind
> % opam remove ocamlfind.1.5.1
> % opam remove ocamlfind.1.5.2
> % ocamlfind.1.5.2 is not installed.
> % which ocamlfind
> /home/jm/.opam/4.01.0/bin/ocamlfind
>
> In general I'm finding `opam remove ...` to have no effect:
>
> % which stog
> /home/jm/.opam/4.01.0/bin/stog
> % opam remove stog
> % which stog
> /home/jm/.opam/4.01.0/bin/stog
>
> Any clues to help me understand the ways of opam much appreciated!
>
> Regards,
>
> John
>
> ----
>
> % opam update -u ~/comp/soft/_pdf 3:20
> default Downloading https://opam.ocaml.org/urls.txt
> default Downloading https://opam.ocaml.org/index.tar.gz
> Updating ~/.opam/repo/compiler-index ...
> Updating ~/.opam/compilers/ ...
> The following NEW compiler is available:
> - 4.01.0+profile
> Updating ~/.opam/repo/package-index ...
> Updating ~/.opam/packages/ ...
> The following package has been UPDATED upstream:
> - merlin.1.6
> Updating the cache of metadata (~/.opam/state.cache) ...
> 33 to install | 0 to reinstall | 0 to upgrade | 0 to downgrade | 0 to
> remove
> You can now run 'opam upgrade' to upgrade your system.
> The following actions will be performed:
> - install camlp4.4.01.0 [required by stog, utop]
> - install base-threads.base [required by utop]
> - install ocamlfind.1.5.2 [required by cpdf, merlin, ocp-index, stog, utop]
> - install base-bigarray.base
> - install base-unix.base [required by utop]
> - install xmlm.1.2.0 [required by stog]
> - install ulex.1.1 [required by stog]
> - install typerex.1.99.6-beta [required by ocp-index]
> - install react.1.1.0 [required by utop]
> - install re.1.2.2 [required by ocp-index]
> - install ocamlnet.3.7.4-1 [required by stog]
> - install menhir.20130912 [required by merlin]
> - install easy-format.1.0.2 [required by merlin]
> - install curses.1.0.3 [required by ocp-index]
> - install cppo.0.9.4 [required by merlin]
> - install config-file.1.2 [required by stog]
> - install cmdliner.0.9.5 [required by ocp-index]
> - install camomile.0.8.5 [required by utop]
> - install camlpdf.1.7.1 [required by cpdf]
> - install xtmpl.0.9 [required by stog]
> - install ocp-build.1.99.6-beta [required by ocp-index]
> - install lwt.2.4.5 [required by utop]
> - install biniou.1.0.9 [required by merlin]
> - install zed.1.3 [required by utop]
> - install cpdf.1.7
> - install higlo.0.3 [required by stog]
> - install ocp-indent.1.4.1 [required by ocp-index]
> - install yojson.1.1.8 [required by merlin]
> - install lambda-term.1.6 [required by utop]
> - install stog.0.12.0
> - install ocp-index.1.0.2
> - install merlin.1.7.1
> - install utop.1.14
> 33 to install | 0 to reinstall | 0 to upgrade | 0 to downgrade | 0 to
> remove
>
> =-=-= Installing base-bigarray.base =-=-=
> Installing base-bigarray.base.
>
> =-=-= Installing base-threads.base =-=-=
> Installing base-threads.base.
>
> =-=-= Installing base-unix.base =-=-=
> Installing base-unix.base.
>
> =-=-= Installing camlp4.4.01.0 =-=-=
> Installing camlp4.4.01.0.
>
> =-=-= Installing ocamlfind.1.5.2 =-=-=
> Building ocamlfind.1.5.2:
> ./configure -bindir /home/jm/.opam/4.01.0/bin -sitelib
> /home/jm/.opam/4.01.0/lib -mandir /home/jm/.opam/4.01.0/man -config
> /home/jm/.opam/4.01.0/lib/findlib.conf
> make all
> make opt
> make install
> Installing ocamlfind.1.5.2.
> [ERROR] Multiple versions installed for package ocamlfind: { 1.5.1, 1.5.2 }
> 'opam update -u' failed.
>
> --
> John Magolske
> http://B79.net/contact
>  
>