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I try to use mex some toolbox using matlab. But I got these errors: /usr/bin/ld: cannot find -lgfortran

I used Ubuntu 14.04. I installed gfortran. Could any one help ?

this is the output of : ldconfig -p | grep fortran

xiaoma@laptop:~$ ldconfig -p | grep fortran
    libhdf5hl_fortran.so.7 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libhdf5hl_fortran.so.7
    libhdf5_fortran.so.7 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libhdf5_fortran.so.7
    libgfortran.so.3 (libc6,x86-64) => /usr/lib/x86_64-linux-gnu/libgfortran.so.3
3
+100

Possible solution:

  1. Link libgfortran.so.3 to libgfortran.so

    ln -s libgfortran.so.3 libgfortran.so
    
  2. Rebuild ld cache

    sudo ldconfig
    
  3. Reinstall the lib

Check out https://stackoverflow.com/questions/16710047/usr-bin-ld-cannot-find-lnameofthelibrary for more info.

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