Mex error. Collect2 -lstdc++

Hey. I'm trying to compile a mex function, and I'm having a little trouble. Any help would be appreciated.

The command is

mex('-DDEFINEUNIX','-largeArrayDims','mtimesx.c','/usr/lib64/libblas.so.3.2.1')

and the error I'm getting is:

Warning: You are using gcc version "4.4.0".  The version
       currently supported with MEX is "4.3.4".
       For a list of currently supported compilers see: 
       http://www.mathworks.com/support/compilers/current_release/

mtimesx.c: In function ‘mexFunction’:
mtimesx.c:592: warning: assignment discards qualifiers from pointer target type
/usr/bin/ld: cannot find -lstdc++
collect2: ld returned 1 exit status

    mex: link of ' "mtimesx.mexa64"' failed.exa64"' failed.

Any thoughts on what might be going wrong?

Answer 1

[Ken Atwell]

What Linux distro are you running? I'll ignore the warns and address the link error:

It looks like the g++ libraries are not installed on your system, and MATLAB needs to them to link. Yes, you are "only" using C and not C++, but the MATLAB libraries you link against require C++ libraries.

In short, you'll want to install the "gcc-g++" package, or something with a similar name, depending on the distribution you are using.