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https://issues.apache.org/jira/browse/PROTON-2217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17283131#comment-17283131
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ASF GitHub Bot commented on PROTON-2217:
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astitcher edited a comment on pull request #294:
URL: https://github.com/apache/qpid-proton/pull/294#issuecomment-777599005
> Windows GHA build is broken by this. I'll have to figure out what's wrong
there.
For some reason the cmake configure is finding python 3.9.1 even though the
build script explicitly asks for 3.6. I'm not sure that's exactly the cause,
but it is something that should not be happening.
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> Python detection logic prefers python2 over python3 when both are installed
> ---------------------------------------------------------------------------
>
> Key: PROTON-2217
> URL: https://issues.apache.org/jira/browse/PROTON-2217
> Project: Qpid Proton
> Issue Type: Bug
> Components: build, proton-c, python-binding
> Affects Versions: proton-c-0.31.0
> Reporter: Jiri Daněk
> Assignee: Jiri Daněk
> Priority: Major
>
> I have the same experience that was reported elsewhere:
> bq. For me, the find_package(PythonInterp) call was always finding the older
> interpreter (2.7) even though everything pointed to the newer one (3.6).
> (from https://reviews.llvm.org/D64881)
> This behavior is unfortunate on Ubuntu 20.04 Focal, where both python2 and
> python3 are available, but pip for python2 is not packaged. Therefore it
> makes sense to build proton with python3; which would make sense anyways,
> since Python 2.7 is deprecated by the Python Software Foundation nowadays..
> Besides removing python2 as discussed on the linked page, there is currently
> nicer way to force python3 that worked for me, by setting
> {{-DPYTHON_EXECUTABLE=/usr/bin/python3}} CMake variable.
> Related dispatch issue, DISPATCH-187
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