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Re: [cgal-discuss] Unexpected segfault constructing AABB tree in Ubuntu 13.10


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  • From: Guillaume Damiand <>
  • To:
  • Subject: Re: [cgal-discuss] Unexpected segfault constructing AABB tree in Ubuntu 13.10
  • Date: Sun, 24 Nov 2013 14:18:05 +0100

Hi Alex,

This is due to a bug in g++ 4.8.1.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58800

In Ubuntu 13.10 you can use g++ 4.7.3.

Guillaume



Le 24/11/2013 10:15, Alex Tsui a écrit :
Hi,

I am having trouble with this small code sample built with CGAL 4.3 that constructs and queries an AABB tree:

https://dl.dropboxusercontent.com/u/508241/posts/aabbTreeExample.tar.gz

You can unpack and test it out by running
cmake .
make
./test patch.txt

Basically, it loads the triangles from the text file and queries a point, but on this system, it segfaults when the tree is rebuilt. Some relevant build details are:

Ubuntu 13.10 64-bit
gcc 4.8.1
CGAL 4.3
Boost 1.49

I am not sure what the issue is but wonder if anyone else can reproduce it? I actually cannot reproduce this issue on my older Ubuntu system and OS X laptop.

Thanks,

--Alex



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