It should load /usr/lib/libgcc_s.1.dylib. The problem is that the
binary package of matplotlib for mac is linked against /usr/local/lib/
libgcc_s.1.dylib.
I tried using install_name_tool and change this on the bundle and it
does the trick.
$ cd Resources/lib/python2.5
install_name_tool -change @executable_path/../Frameworks/libgcc_s.
1.dylib /usr/lib/libgcc_s.1.dylib ft2font.so
-- Emanuele.
On Nov 10, 2009, at 9:43 AM, Brian Zambrano wrote:
Following those steps, my app started just fine on Snow Leopard.
Thank you Emanuele!
I would, however, like to understand this problem a bit more so I
can fix the build. I'd like this app to run out of the box.
Looking at ft2font.so:
otool -L Resources/lib/python2.5/matplotlib/ft2font.so
Resources/lib/python2.5/matplotlib/ft2font.so:
@executable_path/../Frameworks/libfreetype.6.dylib
(compatibility version 10.0.0, current version 10.12.0)
/usr/lib/libz.1.dylib (compatibility version 1.0.0, current
version 1.2.3)
/usr/lib/libstdc++.6.dylib (compatibility version 7.0.0,
current version 7.4.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0,
current version 111.1.3)
@executable_path/../Frameworks/libgcc_s.1.dylib
(compatibility version 1.0.0, current version 1.0.0)
For matplotlib to load successfully, which libgcc should be loaded?
Thanks again,
BZ
On Mon, Nov 9, 2009 at 11:45 PM, Emanuele Santos <emanuelesan...@gmail.com
> wrote:
We saw the same problem with VisTrails (www.vistrails.org).
It seems that python.org's python can't build the fonts in
~/.matplotlib on snow leopard.
We noticed that importing matplotlib.axis using Apple's python will
do that.
So this is the work-around we found for vistrails (bundled with python.org
2.5)
In a terminal on snow leopard:
$ rm -rf ~/.matplotlib
$ cd /Applications/Vistrails.app/Contents/Resources/lib/python2.5
$ DYLD_LIBRARY_PATH=/usr/lib /System/Library/Frameworks/
Python.framework/Versions/2.5/bin/python
>>> import matplotlib.axis
Now running the app again works.
The DYLD_LIBRARY_PATH is necessary because of problems we saw with
different versions of libgcc_s.1.dylib present in the system and the
wrong one was being loaded.
I don't think it's a py2app bug because I can reproduce it by just
running python.org's python and importing matplotlib.axis.
I guess it is a bug in matplotlib.
-- Emanuele.
On Nov 9, 2009, at 11:46 PM, Brian Zambrano wrote:
I'm getting my Py2app build running and think I've worked around
some issues, but another major one has come up. My application is
being built on OS X 10.5.8, where matplotlib is, oviously,
installed. On another 10.5.X machine without any of the app's
dependencies, my compiled app runs just fine. Today, I tried
getting it running on a new Mac with Snow Leopard, 10.6, and get
the following bus error.
From the crash report, it looks like these are relevant:
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000000
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0 ??? 0000000000 0 + 0
1 libSystem.B.dylib 0x91176aa8
_Unwind_GetLanguageSpecificData + 24
2 libstdc++.6.dylib 0x90057d86
__gxx_personality_v0 + 120
3 libgcc_s.1.dylib 0x03801476
_Unwind_Backtrace + 278
4 libgcc_s.1.dylib 0x03801890 _Unwind_Resume +
112
5 ft2font.so 0x038cd3b1 FT2Font::FT2Font
(std::string) + 3737
6 ft2font.so 0x038cd4df
ft2font_module::new_ft2font(Py::Tuple const&) + 291
7 ft2font.so 0x038d787f
Py::ExtensionModule<ft2font_module>::invoke_method_varargs
(std::string const&, Py::Tuple const&) + 261
8 ft2font.so 0x038df637
method_varargs_call_handler + 301
I'm not really sure where to go from here. I've read a few other
things which hint at Snow Leopard being a bit of a headache: http://bit.ly/2Z2Cil
Has anyone run this setup before? Suggestions?
BZ
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