[Octave-bug-tracker] [bug #48771] [octave forge] (nan) Link against the shared library libsvm

[Alois Schlögl]

Follow-up Comment #6, bug #48771 (project octave):

The change set 616:2b12bc73975c adds autoconf support for 
  HAVE_EXTERNAL_LIBLINEAR
  HAVE_EXTERNAL_LIBSVM

and it seems to work when compiling from within 
   octave-NaN/src 

  ./configure && make 

will link to libsvm/liblinear from the system when available at compile time

svmpredict_mex.mex:
        libsvm.so.3 => /usr/lib/libsvm.so.3 (0x00007f2147a4d000)
svmtrain_mex.mex:
        libsvm.so.3 => /usr/lib/libsvm.so.3 (0x00007fafde70f000)
train.mex:
        liblinear.so.3 => /usr/lib/x86_64-linux-gnu/liblinear.so.3
(0x00007f7511226000)

and link to the internal code if not. 

This ist tested on Debian 9 with 
 apt-get install liblinear-dev libsvm-dev -y
 apt-get remove liblinear-dev libsvm-dev -y


Please test whether this does the job.

Cheers
  Alois 

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