[Numpy-discussion] Install error for numpy 1.6

Ralf Gommers ralf.gommers@googlemail....
Sun Jun 12 14:08:09 CDT 2011


On Sun, Jun 12, 2011 at 9:00 PM, Laurent Gautier <lgautier@gmail.com> wrote:

> Hi,
>
> I did not find the following problem reported.
>
> When trying to install Numpy 1.6 with Python 2.7.1+ (r271:86832), gcc
> 4.5.2, and pip 1.0.1 (through a virtualenv 1.4.2 Python) it fails fails
> with:
>
>       File "/usr/lib/python2.7/distutils/command/config.py", line 103,
> in _check_compiler
>         customize_compiler(self.compiler)
>       File "/usr/lib/python2.7/distutils/ccompiler.py", line 44, in
> customize_compiler
>         cpp = cc + " -E"           # not always
>     TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'
>     Complete output from command python setup.py egg_info:
>     Running from numpy source directory.non-existing path in
> 'numpy/distutils': 'site.cfg'
>
> When crawling up the trace of errors, the jump between numpy's files and
> distutils appears to be at:
>
>   File "numpy/core/setup.py", line 694, in get_mathlib_info
>     st = config_cmd.try_link('int main(void) { return 0;}')
>   File "/usr/lib/python2.7/distutils/command/config.py", line 248, in
> try_link
>     self._check_compiler()
>
>
> Is this know ? Is there a workaround ?
>
> Looks like a new one. Does a normal "python setup.py" in your activated
virtualenv work? If not, something is wrong in your environment. If it does
work, you have your workaround.

Cheers,
Ralf
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