Re: Boost in xeus-cling jupyter kernel

From: Giorgino R (giorginor21_at_[hidden])
Date: 2020-06-16 12:03:58

> Ηi there,
>
> I ve been using boost (geometry) with xeus-cling kernel without any
> issues, so far. I install boost from conda forge:
>

> conda install boost -c conda-forge
>

> I tried to include odeint.hpp without any issues on my cling environment:
>
> see also
> https://stackoverflow.com/questions/61205040/how-do-i-use-boost-with-the-xeus-cling-jupyter-kernel
>

> BW
>
G
>
>
> On Fri, 12 Jun 2020, 19:46 A. de Windt via Boost-users, <
> boost-users_at_[hidden]> wrote:
>
>> Hi everyone,
>>
>> As my first post in this mailing list I would like to ask, has anyone
>> tried using boost in a xeus-cling jupyter kernel? Or just cling?
>>
>> My plan is to use odeint in the jupyter notebook for some simulations.
>> However I had issues when I tried to run one of the odeint examples. I
>> originally posted my issue on stackoverlfow but didn;t get any feedback. So
>> I'm going to mostly copy my original question in this email.
>>
>>
>> https://stackoverflow.com/questions/61205040/how-do-i-use-boost-with-the-xeus-cling-jupyter-kernel
>>
>> I'm running Pop!_OS (ubuntu derivative) and apt installed boost
>> (libboost-all-dev) from the default repositories. I know it has been
>> installed properly since I can compile and run the simple boost odeint
>> example with GCC.
>>
>> However when I tried to run the same example inside a jupyter notebook
>> using the zeus-cling kernel I got an error while including the odeint
>> header. I can recreate the error while executing this code:
>>
>> #pragma cling add_include_path("/usr/include")#include <boost/numeric/odeint.hpp>
>>
>> The error message I get is:
>>
>> In file included from input_line_8:1:
>> In file included from /usr/include/boost/numeric/odeint.hpp:22:
>> In file included from /usr/include/boost/numeric/odeint/config.hpp:44:
>> In file included from /usr/include/boost/config.hpp:48:
>> In file included from /usr/include/boost/config/stdlib/libstdcpp3.hpp:78:
>> /usr/include/unistd.h:756:28: error: expected function body after function declarator
>> extern __pid_t fork (void) __THROWNL;
>>                            ^
>> /usr/include/unistd.h:869:11: fatal error: 'bits/getopt_posix.h' file not found
>> # include <bits/getopt_posix.h>
>>           ^~~~~~~~~~~~~~~~~~~~~
>> Interpreter Error:
>>
>> From what I understand bits/getopt_posix.h is a GCC only header, thus I
>> think the problem might be because the boost headers are configuring
>> themselves as if they are compiling under GCC instead of cling/clang.
>>
>> My solution so far has been to submodule the boost super project into my
>> repository and add all the include paths necessary to get odeint and it's
>> dependencies to compile. This is fine since odeint is a header only library
>> anyways. But I'm pretty sure there is a better solution to this problem.
>>
>> Thanks in advance and hope to hear from someone back soon.
>>
>>
>> Cheers,
>> Aaron M. de Windt
>>
>> _______________________________________________
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>> Boost-users_at_[hidden]
>> https://lists.boost.org/mailman/listinfo.cgi/boost-users
>>
>