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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