[SciPy-dev] Build failure on OS X 10.5.8, Python 2.5, gcc-4.0.1

Tommy Grav tgrav@mac....
Sun Nov 8 11:07:47 CST 2009


On Nov 7, 2009, at 3:52 AM, David Cournapeau wrote:

> On Sat, Nov 7, 2009 at 4:16 PM, David Cournapeau
> <david@ar.media.kyoto-u.ac.jp> wrote:
>
>>
>> The work on long double has not touched build options. For all I can
>> remember, the -wno-long-double flag was there for quite some time.  
>> Maybe
>> a python distutils bug ? I have a ppc minimac at home, I may fire  
>> it up
>> to check this, but I don't think it is a regression by numpy,
>
> After checking the python sources, -Wno-long-double has been removed
> starting python 2.6. The comment in configure.in for 2.6 is that only
> apple-built gcc support -Wno-long-double. But since you use -arch, you
> use Apple gcc, so I don't think the comment is entirely accurate.
>
> This is a bit strange, you've never seen the problem before ?

I think -Wno-long-double was removed in apples gcc 4.2. It is not  
described
in the documentation
  http://developer.apple.com/mac/library/documentation/Darwin/Reference/ManPages/man1/gcc-4.2.1.html

Cheers
   Tommy


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