[Scons-users] installing scons via `pip install scons` doesn't work.

[Stefan Seefeld]

Hello,

I'm trying to install scons via `pip install scons`, and get the
following cryptic error:


$ pip install scons
Collecting scons
  Using cached scons-2.5.0.tar.gz
Installing collected packages: scons
  Running setup.py install for scons ... error
    Complete output from command /usr/bin/python -u -c "import
setuptools,
tokenize;__file__='/tmp/pip-build-UnhHp6/scons/setup.py';exec(compile(getattr(tokenize,
'open', open)(__file__).read().replace('\r\n', '\n'), __file__,
'exec'))" install --record /tmp/pip-zIuAOx-record/install-record.txt
--single-version-externally-managed --compile:
    usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
       or: -c --help [cmd1 cmd2 ...]
       or: -c --help-commands
       or: -c cmd --help
   
    error: option --single-version-externally-managed not recognized


Any idea what is causing this, and how to fix it ?

Thanks,

        Stefan

PS: I'm actually trying to upgrade to a newer version of scons in a
travis-ci environment (the default version is 2.3.0 - too old for me as
it doesn't support clang), and so I hoped that `pip` would be able to
help...



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