Re: [Visualpython-users] segfault on Ubuntu 10.04

I don't have the Ubuntu 10.04 python-visual running, but your code works 
fine with my own build on 32-bit and 64-bit Ubuntu. This is the only 
thing that was problematic:

The following change is necessary if you get an error in 
translate_exception.hpp:

     In /usr/include (probably), change 
/boost/python/detail/translate_exception.hpp
     ===================================================================
     --- boost/python/detail/translate_exception.hpp (revision 50228)
     +++ boost/python/detail/translate_exception.hpp (working copy)
     @@ -9,6 +9,7 @@

     # include <boost/call_traits.hpp>
      # include <boost/type_traits/add_const.hpp>
     +# include <boost/type_traits/add_reference.hpp>

     # include <boost/function/function0.hpp>
     --------------------------------------
     (That is, add "# include <boost/type_traits/add_reference.hpp>" 
after the
     statement "# include <boost/type_traits/add_const.hpp>".)

This is the updated information in the CVS version of 
vpython-core2/INSTALL.txt at sourceforge.net.

I posted a complaint and question about this at

https://answers.launchpad.net/ubuntu/+question/112778

I can't find any substantive difference between the source package used by someone to build python-visual and the source I'm building from, so I can't understand how that someone was able to build python-visual, since there is this problem with Boost. Alas, no one has responded to my question.

Bruce

On 6/7/2010 8:29 AM, Gary Pajer wrote:
> On Sat, Jun 5, 2010 at 8:56 AM, Symion <kn...@ip... 
> <mailto:kn...@ip...>> wrote:
>
>     On 5/06/2010 2:52 AM, Gary Pajer wrote:
>>     On Thu, Jun 3, 2010 at 6:12 PM, Guy K. Kloss
>>     <g....@ma... <mailto:g....@ma...>> wrote:
>>
>>         On Fri, 04 Jun 2010 04:08:46 Gary Pajer wrote:
>>         > If I remove the line containing scene.range the original
>>         program works
>>         > fine. I'm using python-visual from the Ubuntu repository.
>>         > Can someone else try it?  I'd be especially interested to
>>         know if it
>>         > crashes using the respository version, but works using
>>         Bruce's home-made
>>         > version.
>>
>>
>
>     I think you have to declare scene.range Before you can use it.
>     #----------------------------------
>     from visual import *
>     scene.range = 10
>     sphere()
>     scene.range = scene.range * 3.
>
>     works fine!
>
>
>
> Not for me.  It no longer segfaults.  But now a window pops up 
> containing a yellow sphere, and a split second later the sphere is 
> replaced by yellow garbage.  The window responds to rotation mouse 
> gestures, but not zooms.
>
> Point of interest #1:  the original code worked fine under WinXP.
> Point of interest #2:  it was not necessary to declare scene.range in 
> WinXP.
> Something else:  I don't know which version of visual I was using when 
> I was using WinXP.
>
> Bruce, if I'm not mistaken you are relocating, and therefore probably 
> very busy.  But whenever it's comfortable, I'd appreciate it if you 
> can try my code on your home-grown build, and, if you still have it 
> available, your from-Ubuntu-repository build in order to see if it 
> works on one but not on the other.  If it does, any pointers on 
> building on Ubuntu would  be appreciated.
>
> Thanks very much,
> gary
>
>
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