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Qt fails in GNOME/Fedora 22 #368
I have Fedora 22, Anaconda 2.2.0, Python 2.7.10, pyqt 4.11.3 (all packages updated today). The same with python 3.4..
When KDE is running, everything works fine.
Thanks for any ideas, luckily I use Gnome only occasionally ;-)
i got this error
/lib64/libpangoft2-1.0.so.0: undefined symbol: FcWeightToOpenType
i fixed this problem by your solution
$ conda install -c asmeurer pango
but i got another error:
/home/niranjan/anaconda3/bin/../lib/libgomp.so.1: version `GOMP_4.0' not found (required by /home/niranjan/mxnet/python/mxnet/../../lib/libmxnet.so)
can you tell me how to fix this problem.thanks in advance.
deep learning package https://mxnet.readthedocs.org/en/latest/build.html#python-package-installation
I think the problem is that Fedora has a Pango that requires latest fontconfig, and my conda env has an older fontconfig than the system one:
Conda has fontconfig 2.11.1, this function was added in 2.11.91. Fedora 22 has 2.11.94.
conda's older fontconfig is breaking the system pango, essentially. So installing a conda version of pango would fix it as discussed here, as would putting a newer fontconfig in conda.
This will presumably break on other linux distributions if/when they upgrade Pango.
The danger in installing a conda version of pango is that presumably that's also a downgrade in version from the system pango, and apps higher in the stack could rely on whatever is new in Pango.