make check panic: Segmentation fault -- stopping myself...

[Kai Habel]

zoran schrieb:
> To: bug at octave.org
> Cc: zorani at gmail.com
> Subject: make check panic: Segmentation fault -- stopping myself...
>
> Bug report for Octave 3.0.1 configured for i686-pc-linux-gnu
>
> Description:
> -----------
>
>   After a seemingly OK compilation, 
>
>   export LIBS=-lmetis
>   ./configure, 
>   make
>   make check <---   fails at this point
>
>   Output sample:
>
>      
>
> scripts/general/trapz.m ................................ PASS    6/6
> scripts/geometry/convhull.m ............................panic: Segmentation fault -- stopping myself...
> make[2]: *** [check] Segmentation fault
> make[2]: Leaving directory `/home/zoran/Desktop/octave-3.0.1/test'
>
>
>   
I assume you have compiled qhull for yourself. In that case, have you 
run the qhull tests?

Try:
cd /path_to_qhull/qhull-2003.1/eg
sh ./q_test


If that fails too, you have to recompile qhull with -O0. AFAIK there is 
a gcc bug (gcc-4.2.1) which makes qhull fail [1].
Hope that helps,

Kai


[1] 
http://www.nabble.com/qhull-segfault-if-compiled-with--O2-td12523684.html#a12523684