Re: [Numpy-discussion] Problem Building Numpy with Python 2.7.1 and OS X 10.7.3

2012-02-28 Thread Ralf Gommers
On Mon, Feb 27, 2012 at 1:47 AM, Patrick Armstrong patri...@uvic.ca wrote:

 Hi,

 On 2012-02-25, at 5:14 AM, Ralf Gommers wrote:

 Since you're using pip, I assume that gcc-4.2 is llvm-gcc. As a first
 step, I suggest using plain gcc and not using pip (so just python setup.py
 install). Also make sure you follow the recommendations in version
 specific notes at http://scipy.org/Installing_SciPy/Mac_OS_X.


 As is mentioned earlier in the thread, Xcode doesn't distribute plain gcc
 anymore. I've tried building with llvm-gcc, and with clang, and I get the
 same failed result.

 To be sure, I tried building with a plain python setup.py install, and I
 get the same result. Here' my build log with clang:
 https://gist.github.com/1920128


Just tried on OS X 10.6 with clang, that works fine. No idea why 10.7 would
be different.
$ export CC=clang
$ python setup.py build_ext -i

Ralf
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Re: [Numpy-discussion] Problem Building Numpy with Python 2.7.1 and OS X 10.7.3

2012-02-26 Thread Samuel John
Hi

The plain gcc (non-llvm) is no longer there, if you install Lion and directly 
Xcode 4.3.
Only, if you have the old Xcode 4.2 or lower, then you may have a non-llvm gcc.

For Xcode 4.3, I recommend installing the Command Line Tools for Xcode from 
the preferences of Xcode. Then you'll have the unix tools and compilers for 
building software.

The solution is to compile numpy and scipy with clang. I had no problems so far 
but I think few people actually compiled it with clang.

The issue #1500 (scipy) may help here. 
http://projects.scipy.org/scipy/ticket/1500


On 25.02.2012, at 14:14, Ralf Gommers wrote:
 Since you're using pip, I assume that gcc-4.2 is llvm-gcc. As a first step, I 
 suggest using plain gcc and not using pip (so just python setup.py 
 install). Also make sure you follow the recommendations in version specific 
 notes at http://scipy.org/Installing_SciPy/Mac_OS_X.

This website should be updated.

cheers,
 Samuel
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Re: [Numpy-discussion] Problem Building Numpy with Python 2.7.1 and OS X 10.7.3

2012-02-26 Thread Patrick Armstrong
Hi,

On 2012-02-25, at 5:14 AM, Ralf Gommers wrote:
 Since you're using pip, I assume that gcc-4.2 is llvm-gcc. As a first step, I 
 suggest using plain gcc and not using pip (so just python setup.py 
 install). Also make sure you follow the recommendations in version specific 
 notes at http://scipy.org/Installing_SciPy/Mac_OS_X.

As is mentioned earlier in the thread, Xcode doesn't distribute plain gcc 
anymore. I've tried building with llvm-gcc, and with clang, and I get the same 
failed result. 

To be sure, I tried building with a plain python setup.py install, and I get 
the same result. Here' my build log with clang: https://gist.github.com/1920128

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Re: [Numpy-discussion] Problem Building Numpy with Python 2.7.1 and OS X 10.7.3

2012-02-25 Thread Ralf Gommers
On Thu, Feb 23, 2012 at 11:28 PM, Patrick Armstrong patri...@uvic.cawrote:

 Hi there,

 I'm having a problem building NumPy on Python 2.7.1 and OS X 10.7.3. Here
 is my build log:

 https://gist.github.com/1895377

 Does anyone have any idea what might be happening? I get a very similar
 error when compiling with clang.

 Installing a binary really isn't an option for me due to some specifics of
 my project. Does anyone have an idea what might be wrong?


Since you're using pip, I assume that gcc-4.2 is llvm-gcc. As a first step,
I suggest using plain gcc and not using pip (so just python setup.py
install). Also make sure you follow the recommendations in version
specific notes at http://scipy.org/Installing_SciPy/Mac_OS_X.

Ralf
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