[yt-users] PNG error on YT install

[Matthew Turk]

Nathan, any idea why these files didn't get created?
On Jun 29, 2012 2:52 PM, "Nathan Goldbaum" <goldbaum at ucolick.org> wrote:

> In fact the hdf5.cfg and png.cfg files are identical.
>
> Nathan Goldbaum
> Graduate Student
> Astronomy & Astrophysics, UCSC
> goldbaum at ucolick.org
> http://www.ucolick.org/~goldbaum
>
> On Jun 29, 2012, at 11:42 AM, Britton Smith wrote:
>
> Hi Carolyn,
>
> I think Nathan had a similar issue just a couple days ago.  His solution
> was to create a png.cfg file in his yt source directory.  That file should
> just have a single line with the correct path to the libpng install,
> similar to what's in the hdf5.cfg file.  Someone strike me with lightning
> if I messed that up.
>
> Britton
>
> On Fri, Jun 29, 2012 at 11:47 AM, Carolyn Peruta <perutaca at msu.edu> wrote:
>
>>
>> I looked back in the email archive and found this exact same problem from
>> John ZuHone.
>> http://lists.spacepope.org/pipermail/yt-users-spacepope.org/2011-June/001652.html
>>
>> I wiped all png related stuff from the build and set INST_PNGLIB to 0 but
>> I am still getting this error.  Any ideas?
>>
>> Notes:  OSX 10.7.4   using Apple's gcc 4.2.1
>>
>>
>> ERROR:
>> Traceback (most recent call last):
>>   File "/Users/cperuta/yt-i386/bin/yt", line 9, in <module>
>>     load_entry_point('yt==2.3', 'console_scripts', 'yt')()
>>   File
>> "/Users/cperuta/yt-i386/lib/python2.7/site-packages/distribute-0.6.21-py2.7.egg/pkg_resources.py",
>> line 337, in load_entry_point
>>     return get_distribution(dist).load_entry_point(group, name)
>>   File
>> "/Users/cperuta/yt-i386/lib/python2.7/site-packages/distribute-0.6.21-py2.7.egg/pkg_resources.py",
>> line 2281, in load_entry_point
>>     return ep.load()
>>   File
>> "/Users/cperuta/yt-i386/lib/python2.7/site-packages/distribute-0.6.21-py2.7.egg/pkg_resources.py",
>> line 1991, in load
>>     entry = __import__(self.module_name, globals(),globals(),
>> ['__name__'])
>>   File "/Users/cperuta/yt-i386/src/yt-hg/yt/utilities/command_line.py",
>> line 26, in <module>
>>     from yt.mods import *
>>   File "/Users/cperuta/yt-i386/src/yt-hg/yt/mods.py", line 107, in
>> <module>
>>     from yt.visualization.api import \
>>   File "/Users/cperuta/yt-i386/src/yt-hg/yt/visualization/api.py", line
>> 34, in <module>
>>     from plot_collection import \
>>   File
>> "/Users/cperuta/yt-i386/src/yt-hg/yt/visualization/plot_collection.py",
>> line 26, in <module>
>>     from matplotlib import figure
>>   File
>> "/Users/cperuta/yt-i386/lib/python2.7/site-packages/matplotlib/figure.py",
>> line 18, in <module>
>>     from axes import Axes, SubplotBase, subplot_class_factory
>>   File
>> "/Users/cperuta/yt-i386/lib/python2.7/site-packages/matplotlib/axes.py",
>> line 14, in <module>
>>     import matplotlib.axis as maxis
>>   File
>> "/Users/cperuta/yt-i386/lib/python2.7/site-packages/matplotlib/axis.py",
>> line 14, in <module>
>>     import matplotlib.text as mtext
>>   File
>> "/Users/cperuta/yt-i386/lib/python2.7/site-packages/matplotlib/text.py",
>> line 31, in <module>
>>     from matplotlib.backend_bases import RendererBase
>>   File
>> "/Users/cperuta/yt-i386/lib/python2.7/site-packages/matplotlib/backend_bases.py",
>> line 48, in <module>
>>     import matplotlib.textpath as textpath
>>   File
>> "/Users/cperuta/yt-i386/lib/python2.7/site-packages/matplotlib/textpath.py",
>> line 9, in <module>
>>     from matplotlib.mathtext import MathTextParser
>>   File
>> "/Users/cperuta/yt-i386/lib/python2.7/site-packages/matplotlib/mathtext.py",
>> line 52, in <module>
>>     import matplotlib._png as _png
>> ImportError:
>> dlopen(/Users/cperuta/yt-i386/lib/python2.7/site-packages/matplotlib/_png.so,
>> 2): Symbol not found: _png_set_longjmp_fn
>>   Referenced from:
>> /Users/cperuta/yt-i386/lib/python2.7/site-packages/matplotlib/_png.so
>>   Expected in: dynamic lookup
>>
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