On Tue, Sep 17, 2013 at 8:55 PM, Damon McDougall
<damon.mcdoug...@gmail.com> wrote:
> On Tue, Sep 17, 2013 at 3:49 PM, Eric Firing <efir...@hawaii.edu> wrote:
>> When I build mpl from master on python.org python 2.7, Mountain Lion,
>> and try to plot anything with the macosx backend, I am now getting an
>> Apple crash--the plot window flashes up and vanishes, and a big OS X
>> crash report window pops up.  Ipython shows "Trace/BPT trap: 5".  I have
>> never seen anything like this before.  Building from 1.3.0 works fine.
>>
>> Is anyone else seeing this?
>>
>> Master is also broken, at least on my machine, with other backends.  The
>> suggested fix is https://github.com/matplotlib/matplotlib/pull/2431.
>>
>> Eric
>
> Building from master produces a broken build of matplotlib for me.
> After the build finishes, I get this warning from the linker:
>
> ld: warning: ignoring file /opt/local/lib/libfreetype.dylib, file was
> built for unsupported file format ( 0xcf 0xfa 0xed 0xfe 0x 7 0x 0 0x 0
> 0x 1 0x 3 0x 0 0x 0 0x 0 0x 6 0x 0 0x 0 0x 0 ) which is not the
> architecture being linked (i386): /opt/local/lib/libfreetype.dylib
>
> I don't know why it's compiling with -arch i386.  It's also compiling
> with -arch x86_64.
>
> When I install matplotlib, this is what happens from an ipython terminal:
>
> In [1]: import matplotlib
> In [2]: print matplotlib.__version__
> 1.4.x
> In [3]: matplotlib.use('macosx')
> In [4]: import matplotlib.pyplot as plt
> In [5]: fig = plt.figure()
> In [6]: ax = fig.add_subplot(1, 1, 1)
> In [7]: ax.plot([1, 2, 3])
> Out[7]: [<matplotlib.lines.Line2D at 0x107523250>]
> In [8]: plt.show()
> Trace/BPT trap: 5
>
> git bisecting says that f4adec7b569cfd0b30e0f8367ba8618b9e160f92 is
> the first bad commit, which you can see the diff of
> here<https://github.com/matplotlib/matplotlib/commit/f4adec7b569cfd0b30e0f8367ba8618b9e160f92>.
>  That's a pretty big commit so it'll take a while to track down.
>
> I'm kind of swamped with work right now (a colleague I work with
> recently resigned) so I don't have as much time as I'd like to
> dedicate to helping out.
>
> Eric, I hope that helps a little bit.
>
> Best wishes,
> Damon
>
> --
> Damon McDougall
> http://www.damon-is-a-geek.com
> Institute for Computational Engineering Sciences
> 201 E. 24th St.
> Stop C0200
> The University of Texas at Austin
> Austin, TX 78712-1229

Oh, and I get the linker warning both with last good commit, *and* the
first bad commit.  Just as another data point.

-- 
Damon McDougall
http://www.damon-is-a-geek.com
Institute for Computational Engineering Sciences
201 E. 24th St.
Stop C0200
The University of Texas at Austin
Austin, TX 78712-1229

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