[Numpy-discussion] Problem installing NumPy with Python 3.2.2/MacOS X 10.7.2

Ralf Gommers ralf.gommers at googlemail.com
Sat Dec 17 06:04:42 EST 2011

On Sat, Dec 17, 2011 at 1:21 AM, Charles R Harris <charlesr.harris at gmail.com
> wrote:

> On Fri, Dec 16, 2011 at 4:07 PM, McNicol, Adam <amcnicol at longroad.ac.uk>wrote:
>> **
>> Hi There,
>> I am very new to numpy and have really only started investigating it as
>> one of my students needs some functionality from matplotlib. I have managed
>> to install everything under Windows for work in class but I use a Mac at
>> home and have been struggling all night to get it to build and install.
>> I should mention that I am using Python 3.2.2 both in school and at home
>> and it isn't an option to use Python 2.7 as all of the rest of my class is
>> taught in Python 3. I also have the most recent version of Xcode installed.
>> Did you also install the optional 10.4/5/6 SDK's with XCode? They may be

It could also be a bug in distribute. On OS X 10.6 distribute 0.6.10 works
for me, but I see they're now at version 0.6.24. No idea if that works or


I have installed the correct build of gcc-4.2 with Fortran (gcc-4.2 (Apple
>> build 5666.3) with GNU Fortran 4.2.4 for Mac OS X 10.7 (Lion)) from
>> http://r.research.att.com/tools/
>> I then followed the install instructions but the build fails with the
>> following message:
>>   File "numpy/core/setup.py", line 271, in check_types
>>     "Cannot compile 'Python.h'. Perhaps you need to "\
>> SystemError: Cannot compile 'Python.h'. Perhaps you need to install
>> python-dev|python-devel.
>> I have got no idea what to do with this error message. Any help would be
>> much appreciated.
> Is Python.h present? If so, is it in the search path? How did you install
> Python3.2.2?
> Chuck
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