I finally got it to work. I did the compilation of matplotlib with:
sudo make -f make.osx fetch deps mpl_build mpl_install
sudo python setup.py install

as described here:
http://blog.hyperjeff.net/?p=160

The first command correctly compiled matplotlib but installed it to
/usr/local. The second command incorrectly compiled matplotlib and installed
it in the Framework. Copying ft2font.so over from the /usr/local
installation fixed the problem "Abort trap" problem.


On Tue, Jun 29, 2010 at 9:56 AM, Ranjit Chacko <rjcha...@gmail.com> wrote:

> I just recompiled freetype-2.4.12 and checked the version of
> /usr/local/lib/libfreetype.6.dylib with otool -l:
> Load command 3
>           cmd LC_ID_DYLIB
>       cmdsize 64
>          name /usr/local/lib/libfreetype.6.dylib (offset 24)
>    time stamp 1 Wed Dec 31 16:00:01 1969
>       current version 11.0.0
> compatibility version 11.0.0
>
> And I checked matplotlib's ft2font.so with otool -L:
>
> ft2font.so:
>     /usr/local/lib/libfreetype.6.dylib (compatibility version 11.0.0,
> current version 11.0.0)
>     /usr/local/lib/libz.1.dylib (compatibility version 1.0.0, current
> version 1.2.5)
>     /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current
> version 7.9.0)
>     /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
> version 125.2.0)
>     /usr/local/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current
> version 1.0.0)
>
> And now that they match I get "Abort trap" on loading matplotlib.pyplot and
> it looks as if ft2font.so has something to do with it:
>
>
> Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
> 0   libSystem.B.dylib                 0x00007fff84a893d6 __kill + 10
> 1   libSystem.B.dylib                 0x00007fff84b29972 abort + 83
> 2   libgcc_s.1.dylib                  0x0000000100487d51 uw_init_context_1
> + 385
> 3   libgcc_s.1.dylib                  0x00000001004884cc _Unwind_Resume +
> 76
> 4   ft2font.so                        0x00000001017b046d
> FT2Font::FT2Font(std::string) + 4269 (Extensions.hxx:629)
> 5   ft2font.so                        0x00000001017b0af8
> ft2font_module::new_ft2font(
>  Py::Tuple const&) + 408 (ft2font.cpp:1728)
> 6   ft2font.so                        0x00000001017b3d52
> Py::ExtensionModule<ft2font_module>::invoke_method_varargs(std::string
> const&, Py::Tuple const&) + 162 (Extensions.hxx:422)
> 7   ft2font.so                        0x00000001017c25a0
> method_varargs_call_handler + 512
>
> It looks like the sage developers encountered this problem and this is how
> they fixed it:
> http://trac.sagemath.org/sage_trac/ticket/7022
>
> All it does is take the plane vanilla matplotlib-0.99.1.spkg spkg and add a
> little script that simply rebuilds f2font.so again using *exactly* the same
> command lines used by distutils to build that extension. That's it. For some
> reason -- probably involving environment variables (?) -- this fixes the
> problem. I consider this a temporary 1-sage release solution until the
> matplotlib developers (or me) come up with a real fix.
>
> How do I rebuild f2font.so?
>
>
>
>>
>>
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