Running MIT Scheme 7.4 on Linux

[Stewart J. Milberger]

1) Has anyone recently tried to get 7.4 running? libm.so.5 and libc.so.5 
are very old, and 32 bit support has been disappearing in distros.

2) Is the SCode referred to in MIT Scheme (including 7.4) the same as 
mentioned in AIM-953, "Scheme86: An Architecture for Microcoding a 
Scheme Interpreter"?

Thank you.