gcc 4.0.0 optimization vs. id strings (RCS, SCCS, etc.)

[Gary Funck]

We use the feature of placing strings into the object file somewhat
differently.
We record configuration and compilation-related info. into strings which are
collesced into their own linkage section.  A runtime component traverses
this
config. info. section to ensure that the various separately linked modules
have been compiled with consistent settings.  Yes, this might be better done
by a host based tool like collect, but that requires more work and more
mechanism, and the simpler approach works fine for now.