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Subject: [Boost-build] installing Boost.Python NumPy extension
From: Stefan Seefeld (stefan_at_[hidden])
Date: 2016-10-13 22:10:30

I have added some logic to my Boost.Python Jamfile to define a
'libboost_numpy' library (using `lib boost_numpy ...`), which builds fine.

I then added a call to `boost-install boost_numpy`, which results in the
obscure error

  $ ../../../b2 install --prefix=/usr/local/Boost
  error: No best alternative for ../../../libs/python/build/install
    next alternative: required properties: (empty)
    next alternative: required properties: (empty)
  ...found 1 target...

Can anyone help me understand what the error means, and what I may have
done wrong ? (The full changeset causing the error is here:

(Note that both building and testing works fine. The error only appears
during installing.)



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