Re: [Chicken-users] libsvm egg install problem

[Daishi Kato]

Sorry about not having a good error handling.
And not having a nice document. You are always welcome to write one.
I could try any easy solution.
Hope things go well.
--daishi

At Mon, 2 Jun 2008 23:05:18 -0700,
Tom Poliquin wrote:
> 
> Dashi,
> 
> I messed up.
> 
> I dumbly used the 'svm-predict' example without
> creating a model file!
> So it looks like that is what caused the segfault.
> 
> I used your other example (svm-train), which
> was well behaved but gave me the error shown
> below.
> 
> I'll try to get some time in the next day or two
> to create a real dataset and play with it a bit.
> 
> Looks like it's installed Ok ..
> 
> Thanks for the help and I'll update you
> with my results.
> 
> Tom
> 
> --------
> Error using svm-train example:
> --------
> CHICKEN
> (c)2008 The Chicken Team
> (c)2000-2007 Felix L. Winkelmann
> Version 3.1.0 - linux-unix-gnu-x86      [ manyargs dload ptables applyhook ]
> SVN rev. 10106  compiled 2008-05-20 on giliath (Linux)
> 
> ; loading svm.scm ...
> ; loading /home/cowboyneal/lib/chicken/3/libsvm.so ...
> ; loading /home/cowboyneal/lib/chicken/3/libsvm_core.so ...
> Error: libsvm: invalid data length
> 
>         Call history:
> 
>         <syntax>                (define model (svm-train (new-svm-problem 
> labels
>  data) (new-svm-parameter)))
>         <syntax>                (##core#set! model (svm-train 
> (new-svm-problem 
> l
> abels data) (new-svm-parameter)))
>         <syntax>                (svm-train (new-svm-problem labels data) 
> (new-sv
> m-parameter))
>         <syntax>                (new-svm-problem labels data)
>         <syntax>                (new-svm-parameter)
>         <eval>          (svm-train (new-svm-problem labels data) 
> (new-svm-parame
> ter))
>         <eval>          (new-svm-problem labels data)
>         libsvm.scm: 122  error                  <--
> --------
> 
> > Dashi,
> >
> > Thanks for the reply .. and sorry for my delay
> > (startup deadline) ..
> >
> > > Tom Poliquin wrote:
> > > > I'm trying to install the libsvm egg and not
> > > > having much success.
> > >
> > > I've updated the egg (v1.1), which hopefully works fine.
> > > Please give it a try.
> >
> > I tried it out and still having difficulties (albeit different ones :-) )
> >
> > Here's the output of chicken-setup ..
> >
> > ------------------
> > address@hidden chicken]$ chicken-setup libsvm
> >
> > The extension libsvm does not exist.
> > Do you want to download it ? (yes/no/abort) [yes] yes
> > downloading libsvm.egg from (www.call-with-current-continuation.org eggs/3
> > 80) gzip -d -c /tmp/chicken-setup-3-cowboyneal/downloads/libsvm.egg | tar
> > xf - /home/cowboyneal/bin/csc -feature compiling-extension -s -O2
> > libsvm_core.scm l
> > ibsvm_core_wrap.c -lsvm -I/usr/include/libsvm-2.0/libsvm
> >   /home/cowboyneal/bin/csc -feature compiling-extension -s -O2 libsvm.scm
> > Warning: extension `libsvm_core' is currently not installed
> >   rm -fr /home/cowboyneal/lib/chicken/3/libsvm.so
> >   cp -r libsvm.so /home/cowboyneal/lib/chicken/3/libsvm.so
> >   chmod a+r /home/cowboyneal/lib/chicken/3/libsvm.so
> >   rm -fr /home/cowboyneal/lib/chicken/3/libsvm_core.so
> >   cp -r libsvm_core.so /home/cowboyneal/lib/chicken/3/libsvm_core.so
> >   chmod a+r /home/cowboyneal/lib/chicken/3/libsvm_core.so
> > ------------------
> >
> > I ran it and got an undefined symbol .. __cxa_pure_virtual
> >
> > ------------------
> > address@hidden ~]$ csi svm.scm
> >
> > CHICKEN
> > (c)2008 The Chicken Team
> > (c)2000-2007 Felix L. Winkelmann
> > Version 3.1.0 - linux-unix-gnu-x86      [ manyargs dload ptables applyhook
> > ] SVN rev. 10106  compiled 2008-05-20 on giliath (Linux)
> >
> > ; loading svm.scm ...
> > ; loading /home/cowboyneal/lib/chicken/3/libsvm.so ...
> > ; loading /home/cowboyneal/lib/chicken/3/libsvm_core.so ...
> > Error: (load) unable to load compiled module
> > "/home/cowboyneal/lib/chicken/3/libsvm_core.so"
> > "/home/cowboyneal/lib/libsvm.so.1: undefined symbol: __cxa_pure_virtual"
> > ------------------
> >
> > I dug around the Internet a bit and found it might be related
> > to libsupc++ so I edited the libsvm egg build to add it, see below.
> > (again I'm not an expert at this stuff).
> >
> > I reran the setup (by untarring the egg and running chicken-setup)
> > and got ..
> >
> > ------------------
> > address@hidden libsvm]$ chicken-setup
> >   /home/cowboyneal/bin/csc -feature compiling-extension -s -O2
> > libsvm_core.scm libsvm_core_wrap.c -lsvm -lsupc++
> > -I/usr/include/libsvm-2.0/libsvm /home/cowboyneal/bin/csc -feature
> > compiling-extension -s -O2 libsvm.scm rm -fr
> > /home/cowboyneal/lib/chicken/3/libsvm.so
> >   cp -r libsvm.so /home/cowboyneal/lib/chicken/3/libsvm.so
> >   chmod a+r /home/cowboyneal/lib/chicken/3/libsvm.so
> >   rm -fr /home/cowboyneal/lib/chicken/3/libsvm_core.so
> >   cp -r libsvm_core.so /home/cowboyneal/lib/chicken/3/libsvm_core.so
> >   chmod a+r /home/cowboyneal/lib/chicken/3/libsvm_core.so
> >   chmod a+r /home/cowboyneal/lib/chicken/3/libsvm.setup-info
> > ------------------
> >
> > All seemed well until I ran the test code ..
> > which ended with a SegFault.
> >
> > ------------------
> > address@hidden ~]$ csi svm.scm
> > CHICKEN
> > (c)2008 The Chicken Team
> > (c)2000-2007 Felix L. Winkelmann
> > Version 3.1.0 - linux-unix-gnu-x86      [ manyargs dload ptables applyhook
> > ] SVN rev. 10106  compiled 2008-05-20 on giliath (Linux)
> > ; loading svm.scm ...
> > ; loading /home/cowboyneal/lib/chicken/3/libsvm.so ...
> > ; loading /home/cowboyneal/lib/chicken/3/libsvm_core.so ...
> > Segmentation fault
> > ------------------
> >
> > Looks like it's dying when loading the actual libsvm.so.1 ..
> > Did I mess up in building it?
> >
> > > > g++ -fPIC -Wall -O3 -c svm.cpp
> > > > ld -shared -soname libsvm.so.1 -o libsvm.so.1.0 -lc svm.o
> > > > I then moved the .so into my ~/lib directory with appropriate
> > > > symbolic links ..
> > > > libsvm.so.1.0
> > > > libsvm.so.1 -> libsvm.so.1.0
> > > > libsvm.so -> libsvm.so.1.0
> > > > and ran ldconfig
> >
> > Any thoughts appreciated ..
> >
> > Tom
> >
> > On Wednesday 28 May 2008 04:39, Daishi Kato wrote:
> > > Hi,
> > >
> > > I've updated the egg (v1.1), which hopefully works fine.
> > > Please give it a try.
> > >
> > > I've been testing against debian libsvm package.
> > > --daishi
> > >
> > > At Tue, 27 May 2008 12:50:13 -0700,
> > >
> > > Tom Poliquin wrote:
> > > > I'm trying to install the libsvm egg and not
> > > > having much success.
> > > >
> > > > The libsvm egg requires the libsvm library.
> > > >
> > > > I downloaded the only libsvm library I could find from
> > > > http://www.csie.ntu.edu.tw/~cjlin/libsvm/
> > > > (libsvm-2.86) which after installation only generates an svm.o.
> > > > I tried some older versions hoping to find one generating an 'so'
> > > > file but was unsuccessful.
> > > >
> > > > Undaunted, (and not an shared library expert) I did this ..
> > > > g++ -fPIC -Wall -O3 -c svm.cpp
> > > > ld -shared -soname libsvm.so.1 -o libsvm.so.1.0 -lc svm.o
> > > >
> > > > I then moved the .so into my ~/lib directory with appropriate
> > > > symbolic links ..
> > > > libsvm.so.1.0
> > > > libsvm.so.1 -> libsvm.so.1.0
> > > > libsvm.so -> libsvm.so.1.0
> > > > and ran ldconfig
> > > >
> > > > I then ran the egg install (I'm using
> > > > Chicken 3.1.0) and got ..
> > > >
> > > >   The extension libsvm does not exist.
> > > >   Do you want to download it ? (yes/no/abort) [yes] yes
> > > >   downloading libsvm.egg from (www.call-with-current-continuation.org
> > > > eggs/ 3 80) .
> > > >   gzip -d -c /tmp/chicken-setup-3-cowboyneal/downloads/libsvm.egg | tar
> > > > xf - /home/cowboyneal/bin/csc -feature compiling-extension -s -O2
> > > > libsvm.scm Warning: extension `libsvm_core' is currently not installed
> > > >   /home/cowboyneal/bin/csc
> > > >        -feature compiling-extension -s -O2 libsvm_core.scm l
> > > >   ibsvm_core_wrap.c -lsvm -I/usr/include/libsvm-2.0/libsvm
> > > >   Error: unbound variable: documentation
> > > >
> > > > Looks like I also need a libsvm_core.so .. I'm guessing I haven't
> > > > downloaded the right libsvm .. ?
> > > >
> > > > Any thoughts greatly appreciated,
> > > >
> > > > Tom
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Chicken-users mailing list
> > > > address@hidden
> > > > http://lists.nongnu.org/mailman/listinfo/chicken-users
> > > >
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