Re: Octave-Forge: Segmentation Fault

[Thomas Treichl]

Ben Abbott schrieb:
> On Nov 22, 2007, at 3:35 PM, Thomas Treichl wrote:
>
> > Ben Abbott schrieb:
> > > Thomas,
> > > There's a thread on sourceforge here 
> > > http://sourceforge.net/tracker/index.php?func=detail&aid=1825780&group_id=17203&atid=414256 
> > > <http://sourceforge.net/tracker/index.php?func=detail&aid=1825780&group_id=17203&atid=414256> 
> > > I've never encountered a seg-fault using a ppc. Further, I only 
> > > encounter a seg-fault when I install SuiteSparse *without* 
> > > libcsparse.a, build Octave-2.9.17, and try to install 
> > > Octave-Forge-20071014. When I include libcsparse.a in the SuiteSparse 
> > > install, or remove SuiteSparse entirely, I have no problem ... I've 
> > > duplicated that effort twice.
> >
> > Sounds to me being an optimization problem or something like that when 
> > building SuiteSparse?! I'm compiling SuiteSparse 3.0.0 since I compile 
> > Octave 2.9.12 and use libcsparse.a before I compile Octave. I also 
> > apply the patch SuiteSparse-3.0.0.diff before building SuiteSparse 
> > without metis (don't know if you have a current SVN of Octave-forge 
> > checked out, here is the link)
> >
> > http://octave.svn.sourceforge.net/viewvc/octave/trunk/octave-forge/admin/MacOSX/solvedeps
> >
> > Modify Line 77 (+F77 = f2c) of that *.diff file into your needs for 
> > gfortran and then build another SuiteSparse,
> >
> >   bash~:$ export CC=gcc
> >   bash~:$ export CFLAGS="-fno-common -no-cpp-precomp -fexceptions 
> > -D_POSIX_C_SOURCE -D__NOEXTENSIONS__ -DNPARTITION"
> >   bash~:$ make
> >
> > try to use that created libcsparse.a instead... I don't know which 
> > option actually fails for you but you can add one flag by another in 
> > F77FLAGS of ./SuiteSparse/UFconfig/UFconfig.mk or in CFLAGS above (eg. 
> > -O3 -mieee-fp ...) - doesn't Fink already have a SuiteSparse package 
> > ready?
>
> Thomas,
>
> The sourceforge link you brought to my attention looks like it will be 
> useful in resolving the problem with Octave and Octave-Forge using Fink.
>
> Unfortunately, I've not been able to get the diff's to apply using 
> 'patch'. Can you tell me what specific syntax is needed? ... hmmm, 
> perhaps I should tell you what I did, and you can tell me what I did 
> wrong ;-)
>
> After placing the SuiteSparse folder and SuiteSparse-3.0.0.diff in the 
> same location, I tried ...
>
> patch <./SuiteSparse-3.0.0.diff 

Hi Ben,

sorry for being late, yes you need to

  patch -p0 < SuiteSparse-3.0.0.diff

That should work.

  Thomas