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

[zoran@comson]

kahacjde wrote:
> 
> 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?
> 
>>>Yes,  
> 
> Try:
> cd /path_to_qhull/qhull-2003.1/eg
> sh ./q_test
> 
>>> This does fail.
> 
> 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].
> 
> 
>>> ./configure
>>> make CFLAGS=-O                      <--- as in the link you gave me. 
>  / make install
>>> /qhull~/eg/q_test   returns PASS.
> 
> Hope that helps,
> 
> Thank you for your quick response,  I am about to recompile octave and
> will let you know.
> 
> Kai
> 
> 
> [1] 
> http://www.nabble.com/qhull-segfault-if-compiled-with--O2-td12523684.html#a12523684
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> 
> 

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