[IPython-User] ipython and libstdc++

Rita rmorgan466@gmail....
Fri Nov 30 07:19:44 CST 2012


Even after I compiled libfreetype.so.6 (dependency of ft2font.so) I still
get the GLIBC error. ldd shows the proper path.

Not sure what else needs to be done. Maybe this is a bug in matplotlib?



On Fri, Nov 30, 2012 at 7:50 AM, Rita <rmorgan466@gmail.com> wrote:

> The bizzare problem is f2ffont.so is actually resolving to the correct
> libstdc++
> Perhaps, all the libraries that link to f2ffont.so should also be pointing
> to the correct libstdc++? I noticed freetype wasn't. Let me try to fix that
> with rpath
>
> Certainly, I can do the shell script and everything will work but was just
> curious why this was occuring :-)
>
>
>
> On Fri, Nov 30, 2012 at 7:42 AM, Robert McGibbon <rmcgibbo@gmail.com>wrote:
>
>> Is the difference between stuff being in /software but the dynamic loader
>> seeming to
>> look (from the error message) in /usr/lib relevant?
>>
>> Perhaps you could rebuild ftfont.so an RPATH?
>>
>> If it were me, might just make a little shell script that does the line
>> you showed, and alias
>> it to ipython notebook...
>>
>> -Robert
>>
>> On Nov 30, 2012, at 4:32 AM, Rita wrote:
>>
>> Similar to this post,
>> http://mail.scipy.org/pipermail/ipython-user/2012-March/009752.html
>>
>> I have been having problems with invoking pylab in a notebook
>> environment.
>>
>>
>> When I try to import pylab i a notebook environment I get this
>>
>> *importError: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.11' not**ound (required by ..p**ython2.7/site-packages/matplotlib/ft2font.so *
>>
>>
>> Admittedly, I have multiple GCCs on my system and I am certain the GCC i
>> compiled python with should be used.  When I do an ldd against the
>> ft2font.so it resolved to the correct libstdc++ (my gcc version not OS).
>> When I run something like this,
>>
>> LD_PRELOAD=/software/gcc-4.6.3/lib64/libstdc++.so.6
>> /software/python/bin/ipython notebook --profile=foo --pylab inline
>>
>> everything works.
>>
>> Is there a better way to do this?
>>
>>
>>
>> --
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>
>
> --
> --- Get your facts first, then you can distort them as you please.--
>



-- 
--- Get your facts first, then you can distort them as you please.--
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