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From Alex Tulenko <>
Subject Re: [pyarrow] Pyarrow=2.0.0 without boost-cpp dependancy
Date Mon, 22 Feb 2021 18:37:54 GMT
Hi Uwe,

I apologize for taking your time and thank you for confirming that
boost-cpp is no longer a runtime dependency. I see now that the issue was
that our .condarc file placed the conda/anaconda channel about
conda/conda-forge channel causing it to download from that channel which
for some reason must still list boost-cpp as a dependency. Explicitly using
conda-forge as the channel via "conda install -c conda-forge pyarrow=2.0.0"
now no longer pulls in boost-cpp.

Thanks again,

On Mon, Feb 22, 2021 at 11:53 AM Uwe L. Korn <> wrote:

> Hello Alex,
> continuing this here instead of StackOverflow. Can you share your source
> of conda packages: Do you use conda-forge? Can you share the output of
> `conda list` of your current environment?
> What stucks me is that we have never built pyarrow on conda-forge against
> boost-cpp 1.73, only 1.72 and 1.74. We though have removed boost-cpp as a
> runtime dependency so I suspect the boost-cpp version change comes from
> packages that aren't from conda-forge but from conda-forge.
> Best,
> Uwe
> On Mon, Feb 22, 2021, at 1:48 AM, Alex Tulenko wrote:
> Hi,
> I am in the process of upgrading a project from pyarrow 0.8.0 to 2.0.0. As
> part of this upgrade I see boost-cpp 1.63 is installed into the
> environment. I have a number of libraries that were linked against an older
> version of boost-cpp and so I would like to avoid pulling in this new
> version of boost-cpp.
> I am generally looking for guidance on how to best handle this situation.
> Running ldd on the libarrow*.so's installed into our conda env I can't
> actually see any references to the libboost*.so's.
> This leads to my first question: is boost-cpp is a runtime requirement for
> pyarrow 2.0.0? (maybe only for certain components?) If it is a runtime
> requirement is there a recipe for building pyarrow/arrow-cpp with static
> linkings or any version of pyarrow that can be built without boost-cpp?
> I am open to any suggestions on how to get around the boost-cpp dependency.
> Thanks!
> Alex

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