The GCC runtime libraries included here:

    libstdc++.so.6.0.17 libgcc_s.so.1 libgfortran.so.3.0.0 libquadmath.so.0.0.0 

and associated symlinks are part of gcc-4.7.2,
available from ftp.gnu.org.  They are included with MATLAB
in the event that your distribution does not provide them.