Re: [Caml-list] Errors in installing 'lwt'

[Helmut Brandl <helmut.brandl@gmx.net>]

Does not work either. 'opam' reinstalls 'camlp4' without any problems 
but then fails installing 'lwt'.

On 10/20/2014 09:20 AM, Francois Berenger wrote:
> stupid suggestion 2:
>
> opam reinstall camlp4
> opam install js_of_ocaml
>
> On 10/20/2014 04:18 PM, Helmut Brandl wrote:
>> I have tried this already. If I try to install 'camlp4' I just get the
>> message that 'camlp4' is already installed.
>>
>> On 10/20/2014 09:15 AM, Francois Berenger wrote:
>>> My stupid suggestion
>>>
>>> opam install camlp4
>>> opam install js_of_ocaml
>>>
>>> On 10/20/2014 03:59 PM, Helmut Brandl wrote:
>>>> Hello,
>>>>
>>>> I am trying to install 'js_of_ocaml' with 'opam' and run into some
>>>> problems. It seems that the ocaml compile cannot compile the 'lwt'
>>>> package.
>>>>
>>>> $opam list
>>>> Installed packages for system:
>>>> base-unix           base  Unix library distributed with the OCaml
>>>> compiler
>>>> camlp4     4.02.0+system  Camlp4 is a system for writing extensible
>>>> parsers for programming languages
>>>> cmdliner           0.9.5  Declarative definition of command line
>>>> interfaces for OCaml
>>>> menhir          20140422  LR(1) parser generator
>>>> ocamlfind          1.5.3  A library manager for OCaml
>>>> ppx_tools         0.99.1  Tools for authors of ppx rewriters and other
>>>> syntactic tools
>>>>
>>>> opam install js_of_ocaml
>>>> The following actions will be performed:
>>>>   - install lwt.2.4.6 [required by js_of_ocaml]
>>>>   - install js_of_ocaml.2.5
>>>> 2 to install | 0 to reinstall | 0 to upgrade | 0 to downgrade | 0 to
>>>> remove
>>>> Do you want to continue ? [Y/n]
>>>>
>>>> =-=-= Installing lwt.2.4.6 =-=-=
>>>> Building lwt.2.4.6:
>>>>    ./configure --prefix /home/helmut/.opam/system --disable-libev
>>>> --disable-react --disable-ssl --enable-unix --enable-extra
>>>> --disable-preemptive --disable-glib --enable-ppx
>>>>    make build
>>>>    make install
>>>> [ERROR] The compilation of lwt.2.4.6 failed.
>>>> Removing lwt.2.4.6.
>>>>    ocamlfind remove lwt
>>>>
>>>> [ERROR] Due to some errors while processing lwt.2.4.6, the following
>>>> actions will NOT proceed:
>>>>   - install js_of_ocaml.2.5
>>>>
>>>> ===== ERROR while installing lwt.2.4.6 =====
>>>> # opam-version 1.1.1
>>>> # os           linux
>>>> # command      ./configure --prefix /home/helmut/.opam/system
>>>> --disable-libev --disable-react --disable-ssl --enable-unix
>>>> --enable-extra --disable-preemptive --disable-glib --enable-ppx
>>>> # path         /home/helmut/.opam/system/build/lwt.2.4.6
>>>> # compiler     system (4.02.0)
>>>> # exit-code    1
>>>> # env-file
>>>> /home/helmut/.opam/system/build/lwt.2.4.6/lwt-25223-ffb3fd.env
>>>> # stdout-file
>>>> /home/helmut/.opam/system/build/lwt.2.4.6/lwt-25223-ffb3fd.out
>>>> # stderr-file
>>>> /home/helmut/.opam/system/build/lwt.2.4.6/lwt-25223-ffb3fd.err
>>>> ### stderr ###
>>>> # ...[truncated]
>>>> # W: Failure("Command ''/home/helmut/.opam/system/bin/ocamlfind' query
>>>> -format %d camlp4 > '/tmp/oasis-c39eab.txt'' terminated with error
>>>> code 2")
>>>> # ocamlfind: Package `camlp4' not found
>>>> # W: Failure("Command ''/home/helmut/.opam/system/bin/ocamlfind' query
>>>> -format %d camlp4 > '/tmp/oasis-5e24a6.txt'' terminated with error
>>>> code 2")
>>>> # ocamlfind: Package `camlp4.quotations.o' not found
>>>> # W: Failure("Command ''/home/helmut/.opam/system/bin/ocamlfind' query
>>>> -format %d camlp4.quotations.o > '/tmp/oasis-f94904.txt'' terminated
>>>> with error code 2")
>>>> # E: Cannot find buildable internal library 'lwt-preemptive' when
>>>> checking build depends
>>>> # E: Cannot find findlib package camlp4
>>>> # E: Cannot find findlib package camlp4.extend
>>>> # E: Cannot find findlib package camlp4.quotations.o
>>>> # E: Failure("4 configuration errors")
>>>>
>>>> 'opam install js_of_ocaml' failed.
>>>>
>>>>
>>>> Can anybody help (or if this list is not the right location to ask can
>>>> you redirect me)?
>>>>
>>>> Thanks in advance
>>>> Helmut
>>>>
>>>
>>
>