Hi Narin -

Hope you don't mind me reviving an old thread, but I just ran into this same 
problem trying to build Pymol from source (and using fink for the dependencies) 
on my laptop.  What solved it for me was the following:

fink remove libpng16 libpng16-shlibs

I guess pymol was trying to use libpng-1.6 because it was available at runtime, 
but the fink package still specifies version 1.5 as a dependency.  Fortunately, 
I had nothing else that depended on version 1.6, so uninstalling it was no 
problem.

Hope that helps,
Jared

--
Jared Sampson
Xiangpeng Kong Lab
NYU Langone Medical Center
Medical Science Building, Room 398
550 First Avenue
New York, NY 10016
212-263-7898
http://kong.med.nyu.edu/





On Jul 30, 2013, at 9:33 AM, Narin Hengrung 
<narin.hengr...@chch.ox.ac.uk<mailto:narin.hengr...@chch.ox.ac.uk>> wrote:

Hi all,

I'm not very experienced with installing things from source, so you'll have to 
bear with me a bit here….

I'm trying to get pymol 1.6.0.0 working on my macbook (OS X 10.8.4). The 
install seems to go ok (home directory set to /sw) but when I try to launch 
pymol, it exits with this message:

Detected OpenGL version 2.0 or greater. Shaders available.
Detected GLSL version 1.20.
OpenGL graphics engine:
GL_VENDOR: NVIDIA Corporation
GL_RENDERER: NVIDIA GeForce GT 650M OpenGL Engine
GL_VERSION: 2.1 NVIDIA-8.12.47 310.40.00.05f01
Detected 8 CPU cores.  Enabled multithreaded rendering.
libpng warning: Application built with libpng-1.5.11 but running with 1.6.3
/sw/bin/pymol: line 4: 86592 Segmentation fault: 11  "/sw/bin/python" 
"/sw/lib/python/pymol/__init__.py" "$@"

The version of python I have is 2.7.5 .
If I just do "python /sw/lib/python/pymol/__init__.py" then I get the 
segmentation fault 11 error.
Can anyone help me fix this?

Thanks,

Narin
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