On Mon, Sep 28, 2009 at 8:55 AM, William Stein <wst...@gmail.com> wrote: > On Mon, Sep 28, 2009 at 8:47 AM, John Hunter <jdh2...@gmail.com> wrote: >> ---------- Forwarded message ---------- >> From: Tony S Yu <tsy...@gmail.com> >> Date: Mon, Sep 28, 2009 at 8:41 AM >> Subject: Re: [matplotlib-devel] Fwd: OS X 10.6 port >> To: John Hunter <jdh2...@gmail.com> >> Cc: matplotlib development list <matplotlib-devel@lists.sourceforge.net> >> >> >> >> On Sep 28, 2009, at 2:14 AM, John Hunter wrote: >> >>> in case anyone has some suggestions, I'm forwarding this from the sage list >>> >>> >>> ---------- Forwarded message ---------- >>> From: William Stein <wst...@gmail.com> >>> Date: Sun, Sep 27, 2009 at 10:51 PM >>> Subject: OS X 10.6 port >>> To: sage-devel <sage-de...@googlegroups.com>, John Hunter >>> <jdh2...@gmail.com> >>> >>> >>> Hi, >>> >>> I spent several hours yesterday trying to get matplotlib for Sage to >>> work on OS X 10.6. On my laptop everything works perfectly, but on >>> another test machine (bsd.math) the workaround from my laptop doesn't >>> work. So at this point Sage still does not support OS X 10.6. >>> >>> The problem is in matplotlib's C++ wrapper for freetype2. It's a >>> Python extension module implemented directly in C++, and it simply >>> doesn't work correctly at all. For example, whenever it tries to >>> raise a Python exception, it just terminates Python with >>> >>> "11713 Abort trap sage-ipython "$@" -i" > > The stack trace looks like this: > > #4 0x000000010cd907e2 in ~PythonExtension [inlined] () at > /Users/was/build/sage-4.1.2.alpha4/spkg/build/matplotlib/trunk/matplotlib/CXX/Extensions.hxx:778 > #5 0x000000010cd907e2 in FT2Font::FT2Font (this=0x10baf2b10, > facefi...@0x10bab6da0) at src/ft2font.cpp:778 > #6 0x000000010cd90e98 in ft2font_module::new_ft2font (this=<value > temporarily unavailable, due to optimizations>, args=<value > temporarily unavailable, due to optimizations>) at src/ft2font.cpp:778 > #7 0x000000010cd94912 in > Py::ExtensionModule<ft2font_module>::invoke_method_varargs > (this=0x10ce05f10, na...@0x7fff5fbf7030, ar...@0x7fff5fbf6fe0) at > Extensions.hxx:422 > #8 0x000000010cda3190 in method_varargs_call_handler > (_self_and_name_tuple=<value temporarily unavailable, due to > optimizations>, _args=<value temporarily unavailable, due to > optimizations>) at CXX/cxx_extensions.cxx:1403 > ... > > >> I thought I'd chime in since I recently upgraded to OSX 10.6. I don't >> think I ever got this error, so I probably didn't have the same issue, >> but just in case... >> >> I reinstalled freetype2, but I'm not sure if I needed to. I also made >> a change to setupext.py so that the setup script could find freetype2, >> but this doesn't seem to be your problem because your errors don't >> occur during the build. >> >> Did you happen to build on top of an old install? I had to clean out >> the old compiled extensions before everything would build properly. I >> had to clean out the build directory (obviously), but there are also >> *.so files in lib/matplotlib and lib/matplotlib/backends. >> >> I should note that I'm built on top of the system python (2.6.1) and I >> did not use make.osx. >> > > I did a 100% clean build from source of Sage, which means building > Python and essentially all dependencies (including freetype) in a > single self-contained directory. I've replicated this on maybe 5 or > 6 different OS X 10.6 machines. It is a total show stopper for > releasing the next version of Sage, and is in fact the only problem > left (of many) in porting Sage to OS X 10.6 > > I used the latest version of XCode, which comes with OS X 10.6: > gcc version 4.2.1 (Apple Inc. build 5646) > > The version of Python is: > Python 2.6.2 (r262:71600, Sep 27 2009, 13:41:53) > > The Abort trap appears when building the font cache the moment an > exception is raised in C++ code. By hacking around that exception > getting raised, the Abort trap happens when some exception somewhere > else happens in Matplotlib's C++ code. Etc. > > I'm going to try looking into pyCXX now, since that seems the best hope. >
I rebuild matplotlib using the newest version of pyCXX (which has seen 4 new releases since the version in matplotlib), but the problem remains the same. (I've also tried using the latest version of libfreetype.) bash-3.2$ python Python 2.6.2 (r262:71600, Sep 27 2009, 13:41:53) [GCC 4.2.1 (Apple Inc. build 5646)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> import pylab Abort trap ----- (gdb) bt #0 0x00007fff82adf096 in __kill () #1 0x00007fff82b800c2 in abort () #2 0x00000001015d0d51 in uw_init_context_1 () #3 0x00000001015d14cc in _Unwind_Resume () #4 0x000000010182f7f3 in ~PythonExtension [inlined] () at /Users/was/build/sage-4.1.2.alpha4/spkg/build/matplotlib/trunk/matplotlib/CXX/Python2/ExtensionOldType.hxx:778 #5 0x000000010182f7f3 in FT2Font::FT2Font (this=0x101171620, facefi...@0x7fff5fbf74c0) at src/ft2font.cpp:778 #6 0x000000010182fee8 in ft2font_module::new_ft2font (this=<value temporarily unavailable, due to optimizations>, args=<value temporarily unavailable, due to optimizations>) at src/ft2font.cpp:778 #7 0x0000000101830a80 in Py::ExtensionModule<ft2font_module>::invoke_method_varargs (this=<value temporarily unavailable, due to optimizations>, method_def=<value temporarily unavailable, due to optimizations>, args=<value temporarily unavailable, due to optimizations>) at ExtensionModule.hxx:184 #8 0x000000010183f8d0 in method_varargs_call_handler (_self_and_name_tuple=<value temporarily unavailable, due to optimizations>, _args=<value temporarily unavailable, due to optimizations>) at CXX/cxx_extensions.cxx:1714 #9 0x00000001000b3b25 in PyEval_EvalFrameEx () #10 0x00000001000b4ce0 in PyEval_EvalCodeEx () #11 0x00000001000b2afd in PyEval_EvalFrameEx () #12 0x00000001000b4ce0 in PyEval_EvalCodeEx () ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
