Linux: error while loading shared libraries: libgcc_s.so1: cannot open shared object file: No such file or directory

This means your're running Debian 6 - 64bit, with the 32bit version of MWES and don't have the 32bit additional libs installed.

Either download the 64bit version of MWES and install that ... or run these commands as root:

apt-get install libstdc++5 lib32gcc1

apt-get install lib32stdc++6 lib32gcc1

apt-get install lib32ncurses5 lib32gcc1

apt-get install libsdl1.2-dev lib32gcc1

apt-get install ia32-libs lib32gcc1

These will install the 32bit libs