On Monday 10 November 2008 03:37:26 pm Frank Lagor wrote:
> Hi,
>
> I am sorry to bug you all with an installation problem, but I need
> some additional help to get this figured out.
>
> I previously had a matplotlib installed and working fine, but it was
> necessary for me to redo some other installations like numpy when I
> needed a complete lapack library.  This also led to me installing
> another version of g77, because numpy needed a specific library that
> was only provide by the g77 version of fortran for some reason.
> Anyways, numpy works great but I went back to install matplotlib and I
> ran into trouble.  After the installation process, if I try to import
> matplotlib.pylab I get the following errors:
>
> from matplotlib._path import affine_transform
> ImportError: /ronaldo/pkg/dfranci/gcc-g77-3.4.6/lib64/libgcc_s.so.1:
> version `GCC_4.2.0' not found (required by /usr/lib64/libstdc++.so.6)
>
> Is this a problem that I can fix in the matplotlib installation or do
> I need to go back up to the numpy installation?
>
> I should note that I do not have gcc-4.2.0 on my system.

Try removing the build/ directory from your mpl source directory, as well as 
your site-packages/matplotlib*, and recompile.
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