Re: [Caml-list] Problem with gsl installation with opam

[Johan Mazel <johan.mazel@gmail.com>]

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Sorry, my bad, pkg-config was indeed not installed.
I was lost among my terminals.
Sorry for wasting your time.
Regards,
Johan

2016-03-01 14:52 GMT+09:00 Johan Mazel <johan.mazel@gmail.com>:

> Here are the results.
>
> pkg-config --cflags --libs gsl yields:
> -lgsl -lgslcblas -lm
>
> pkg-config --cflags --libs ncurses yields:
> -D_GNU_SOURCE -lncurses -ltinfo
>
> Does this look good?
>
> Regards,
> Johan
>
>
> 2016-03-01 14:36 GMT+09:00 Markus Mottl <markus.mottl@gmail.com>:
>
>> Try e.g. "pkg-config --cflags --libs gsl".  You can then test whether
>> the returned flags are good for compiling + linking a test application
>> in C.
>>
>> Regards,
>> Markus
>>
>> On Tue, Mar 1, 2016 at 12:25 AM, Johan Mazel <johan.mazel@gmail.com>
>> wrote:
>> > pkg-config is installed.
>> >
>> > which pkg-config yields:
>> > /usr/bin/pkg-config
>> >
>> > How can I make sure that "the command will return meaningful
>> compilation and
>> > linking flags for the required
>> > packages"?
>> >
>> > Regards,
>> > Johan
>> >
>> >
>> > 2016-03-01 14:01 GMT+09:00 Markus Mottl <markus.mottl@gmail.com>:
>> >>
>> >> Considering that two unrelated packages are apparently failing on the
>> >> exact same command (pkg-config), I assume that this is the source of
>> >> the problem.  Maybe `pkg-config` needs to be installed first, or the
>> >> right one needs to be in your path.  Just make sure the command will
>> >> return meaningful compilation and linking flags for the required
>> >> packages, and installation through OPAM should work.
>> >>
>> >> Regards,
>> >> Markus
>> >>
>> >> On Mon, Feb 29, 2016 at 11:50 PM, Johan Mazel <johan.mazel@gmail.com>
>> >> wrote:
>> >> > Hi
>> >> > First of all, I am not sure if I am writing this to the correct
>> mailing
>> >> > list. If not, please tell me where should I send this.
>> >> >
>> >> > I am trying to install gsl
>> >> > (https://opam.ocaml.org/packages/gsl/gsl.1.19.1/)
>> >> > with opam.
>> >> > I previously installed OCaml 4.02.3 with opam.
>> >> >
>> >> > I get this message error when I do "opam install gsl":
>> >> >
>> >> > The following actions will be performed:
>> >> >   ∗  install conf-ncurses 1                   [required by ocamlfind]
>> >> >   ∗  install conf-gsl     1                   [required by gsl]
>> >> >   ∗  install ocamlfind    1.6.1               [required by gsl]
>> >> >   ∗  install gsl          1.19.1
>> >> > ===== ∗  4 =====
>> >> > Do you want to continue ? [Y/n] y
>> >> >
>> >> > =-=- Gathering sources
>> >> > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>> >> > [gsl] Archive in cache
>> >> > [ocamlfind] Archive in cache
>> >> >
>> >> > =-=- Processing actions
>> >> > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>> >> > [ERROR] The compilation of conf-gsl failed at "pkg-config gsl".
>> >> > [ERROR] The compilation of conf-ncurses failed at "pkg-config
>> ncurses".
>> >> >
>> >> > #=== ERROR while installing conf-gsl.1
>> >> > ========================================#
>> >> > # opam-version 1.2.2
>> >> > # os           linux
>> >> > # command      pkg-config gsl
>> >> > # path         /home/jmazel/.opam/4.02.3/build/conf-gsl.1
>> >> > # compiler     4.02.3
>> >> > # exit-code    127
>> >> > # env-file
>> >> > /home/jmazel/.opam/4.02.3/build/conf-gsl.1/conf-gsl-10926-5f1023.env
>> >> > # stdout-file
>> >> > /home/jmazel/.opam/4.02.3/build/conf-gsl.1/conf-gsl-10926-5f1023.out
>> >> > # stderr-file
>> >> > /home/jmazel/.opam/4.02.3/build/conf-gsl.1/conf-gsl-10926-5f1023.err
>> >> >
>> >> >
>> >> > #=== ERROR while installing conf-ncurses.1
>> >> > ====================================#
>> >> > # opam-version 1.2.2
>> >> > # os           linux
>> >> > # command      pkg-config ncurses
>> >> > # path         /home/jmazel/.opam/4.02.3/build/conf-ncurses.1
>> >> > # compiler     4.02.3
>> >> > # exit-code    127
>> >> > # env-file
>> >> >
>> >> >
>> /home/jmazel/.opam/4.02.3/build/conf-ncurses.1/conf-ncurses-10926-58c514.env
>> >> > # stdout-file
>> >> >
>> >> >
>> /home/jmazel/.opam/4.02.3/build/conf-ncurses.1/conf-ncurses-10926-58c514.out
>> >> > # stderr-file
>> >> >
>> >> >
>> /home/jmazel/.opam/4.02.3/build/conf-ncurses.1/conf-ncurses-10926-58c514.err
>> >> > ### stdout ###
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > =-=- Error report
>> >> > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>> >> > The following actions were aborted
>> >> >   ∗  install gsl       1.19.1
>> >> >   ∗  install ocamlfind 1.6.1
>> >> > The following actions failed
>> >> >   ∗  install conf-gsl     1
>> >> >   ∗  install conf-ncurses 1
>> >> > No changes have been performed
>> >> >
>> >> > =-=- conf-gsl.1 troobleshooting
>> >> > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>> >> > => This package relies on external (system) dependencies that may be
>> >> > missing. `opam depext conf-gsl.1' may help you find the correct
>> >> > installation
>> >> > for
>> >> >    your system.
>> >> >
>> >> > =-=- conf-ncurses.1 troobleshooting
>> >> > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>> >> > => This package relies on external (system) dependencies that may be
>> >> > missing. `opam depext conf-ncurses.1' may help you find the correct
>> >> > installation
>> >> >    for your system.
>> >> >
>> >> > opam depext conf-gsl.1 yields:
>> >> > # Detecting depexts using flags: x86_64 linux debian
>> >> > # The following system packages are needed:
>> >> > #  - libgsl0-dev
>> >> > Not running as root, the following command will be run through
>> "sudo":
>> >> >     apt-get install -qq -yy libgsl0-dev
>> >> > # OS packages installation successful
>> >> >
>> >> > opam depext conf-ncurses.1 yields:
>> >> > # Detecting depexts using flags: x86_64 linux debian
>> >> > # The following system packages are needed:
>> >> > #  - ncurses-dev
>> >> > Not running as root, the following command will be run through
>> "sudo":
>> >> >     apt-get install -qq -yy ncurses-dev
>> >> > # OS packages installation successful
>> >> >
>> >> > If I rerun "opam install gsl", I get the same output as above.
>> >> > And no matter how many times I run "opam depext conf-gsl.1" and "opam
>> >> > depext
>> >> > conf-ncurses.1", no new packages are installed.
>> >> >
>> >> > libncurses5-dev is installed. Its version is 6.0+20160213-1.
>> >> > libgsl-dev is installed. Its version is 2.1+dfsg-2.
>> >> >
>> >> > As a side note, on my system compiler (4.02.3),
>> libocamlgsl-ocaml-dev is
>> >> > installed and it has no dependency problems.
>> >> >
>> >> > Thank you very much for your time.
>> >> > Regards,
>> >> > Johan
>> >> >
>> >> >
>> >> >
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Markus Mottl        http://www.ocaml.info
>> markus.mottl@gmail.com
>> >
>> >
>>
>>
>>
>> --
>> Markus Mottl        http://www.ocaml.info        markus.mottl@gmail.com
>>
>
>

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