Re: [matplotlib-devel] png error with git master, is it just me?

[Damon M. <dam...@gm...>]

On Thu, Apr 4, 2013 at 10:51 PM, Fernando Perez <fpe...@gm...>wrote:

> Thanks, Damon, for this info.
>
> Based on this, I've tested now on another, different system with the same
> version of linux and can't reproduce it either.  Very odd, but it looks
> like something is amiss on my end, so let me investigate further before
> anyone burns further cycles on the issue.
>
> Cheers,
>
> f
>
>
> On Thu, Apr 4, 2013 at 8:06 PM, Damon McDougall <dam...@gm...
> > wrote:
>
>> On Thu, Apr 4, 2013 at 6:41 PM, Fernando Perez <fpe...@gm...>wrote:
>>
>>> Hi folks,
>>>
>>> I'm getting the following error from a clean build of master on an
>>> ubuntu 12.10 machine:
>>>
>>> longs[junk]> python -c 'import matplotlib._png'
>>> Traceback (most recent call last):
>>>   File "<string>", line 1, in <module>
>>> ImportError:
>>> /home/fperez/usr/opt/lib/python2.7/site-packages/matplotlib-1.3.x-py2.7-linux-x86_64.egg/matplotlib/_png.so:
>>> undefined symbol: png_create_read_struct
>>>
>>>
>>> I hadn't seen anything like this recently, nor can I find similar
>>> reports, so I'm wondering if anyone knows what's going on, or if it's
>>> an error on my side.  I can try to bisect it but I figured I'd ask
>>> first in case it's obvious to someone else...
>>>
>>> Cheers,
>>>
>>> f
>>>
>>
>> Hi Fernando,
>>
>> I can't recreate this on OS X with the current git master branch, which
>> is at 11e7ed.
>>
>> Best wishes,
>> Damon
>>
>> --
>> Damon McDougall
>> http://www.damon-is-a-geek.com
>> Institute for Computational Engineering Sciences
>> 201 E. 24th St.
>> Stop C0200
>> The University of Texas at Austin
>> Austin, TX 78712-1229
>>
>
>
Any time, Fernando.

Out of curiosity, is the png_create_read_struct a symbol from libpng?  If
so, try adding wherever your libpng lives to your LD_LIBRARY_PATH and see
what happens.

Best wishes,
Damon

-- 
Damon McDougall
http://www.damon-is-a-geek.com
Institute for Computational Engineering Sciences
201 E. 24th St.
Stop C0200
The University of Texas at Austin
Austin, TX 78712-1229