Hello,
I used your new beta installer to install matplotlib on a G5 running
OS X 10.5.5. I tried the contour demo and got this error
pylab_examples$ pythonw contour_demo.py
Traceback (most recent call last):
File "contour_demo.py", line 12, in <module>
import matplotlib.pyplot as plt
File "/Library/Frameworks/Python.framework/Versions/2.5/lib/
python2.5/site-packages/matplotlib/pyplot.py", line 6, in <module>
from matplotlib.figure import Figure, figaspect
File "/Library/Frameworks/Python.framework/Versions/2.5/lib/
python2.5/site-packages/matplotlib/figure.py", line 19, in <module>
from axes import Axes, SubplotBase, subplot_class_factory
File "/Library/Frameworks/Python.framework/Versions/2.5/lib/
python2.5/site-packages/matplotlib/axes.py", line 18, in <module>
import matplotlib.image as mimage
File "/Library/Frameworks/Python.framework/Versions/2.5/lib/
python2.5/site-packages/matplotlib/image.py", line 19, in <module>
from matplotlib import _png
ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.5/
lib/python2.5/site-packages/matplotlib/_png.so, 2): Symbol not found:
_png_destroy_read_struct
Referenced from: /Library/Frameworks/Python.framework/Versions/2.5/
lib/python2.5/site-packages/matplotlib/_png.so
Expected in: dynamic lookup
I was able to build matplotlib by using MACOSX_DEPLOYMENT_TARGET. I
built libpng 1.2.33, freetype 2.3.7 and pkgconfig 0.23 with gcc 4.0.1
from XCode 3.1.2. to build and install matplotlib I did
env MACOSX_DEPLOYMENT_TARGET=10.5 python setup.py build
sudo env MACOSX_DEPLOYMENT_TARGET=10.5 python setup.py install
I don't get "Symbol not found:" errors for _png.so now, but negative
signs on numbers in the axis labels appear as boxes instead of -'s. I
may try the freetype in /usr/X11 instead of the one I compiled.
Thanks for all the work on matplotlib,
Scott
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