Op wo 17 feb. 2021 om 11:04 schreef Anonymous Maarten via Boost-users <
boost-users@lists.boost.org>:

> The boost libraries shipped in Ubuntu 18.04 (bionic) use a different
> naming scheme for the boost python libraries:
> -
> https://packages.ubuntu.com/bionic/amd64/libboost-python1.65-dev/filelist
> - https://packages.ubuntu.com/bionic/amd64/libboost-numpy1.65-dev/filelist
>
> It looks like the python libraries are built with the system default
> python interpreter when 18.04 got released, not the newer version you are
> installing.
>
Thanks for your answer Maarten!
Please bare with me as I'm a little new to this. Is there some way I can
change the interpreter that is used for installing boost? Or do you think
that adapting the --prefix flag may also work?

>
>
> On Wed, Feb 17, 2021, 10:05 Roy de Bokx via Boost-users <
> boost-users@lists.boost.org> wrote:
>
>> Hi there,
>>
>> I've been trying to get GP-GOMEA running in a dockerized environment
>> <https://github.com/marcovirgolin/GP-GOMEA/issues/2>, which is a project
>> that is built using Boost.
>>
>> As part of the build process, the source code is compiled by the g++ 
>> compiler,
>> using the flag -lboost_numpy37, which fails because (it seems) numpy
>> cannot be found.
>>
>> I've reported this also as an issue also in the boost repository
>> <https://github.com/boostorg/boost/issues/462>, but mclow advised me to
>> send this to the boost-users mailinglist too.
>>
>> I've create the following Dockerfile as a minimal test case, which runs
>> into the same problem. I'm a bit of a noob when it comes to Boost and
>> numpy, but from what I found so far on the web, this should work (but it
>> doesn't)
>>
>> FROM ubuntu:20.04
>>
>> ENV DEBIAN_FRONTEND noninteractive
>>
>> RUN apt-get update && apt-get upgrade -y && apt-get clean
>> RUN apt-get install -y curl python3.7 python3-dev python3-distutils 
>> python3-numpy
>>
>> # Install latest boost version
>> RUN apt-get -y install wget g++
>> RUN wget 
>> https://dl.bintray.com/boostorg/release/1.75.0/source/boost_1_75_0.tar.bz2 
>> && \
>>     tar --bzip2 -xf boost_1_75_0.tar.bz2 && \
>>     cd boost_1_75_0 && \
>>     # this will generate ./b2
>>     ./bootstrap.sh  --prefix=/usr/local && \
>>     ./b2 --with=all install && \
>>     sh -c 'echo "/usr/local/lib" >> /etc/ld.so.conf.d/local.conf' && \
>>     ldconfig
>>
>> # Check numpy installation
>> RUN find / -name "numpy.hpp"
>> RUN find / -name "libboost_numpy37.so"
>> RUN find / -name "libboost_numpy3.so"
>> RUN find / -name "libboost_numpy.so"
>> RUN ld -lboost_numpy37 --verbose
>>
>>
>> This eventually results in the following error:
>> The command '/bin/sh -c ld -lboost_numpy37 --verbose' returned a non-zero
>> code: 1, because it could not find any libboost_numpy37.so or
>> libboost_numpy37.o file.
>>
>> The full logs are attached in the GH issue linked above.
>> Did anyone encounter something similar, or does anyone have an idea what
>> could cause this?
>>
>> Any help is much appreciated!
>>
>> -Roy
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>> Boost-users@lists.boost.org
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>>
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