[plt-dev] Incredibly slow setup-plt

I started a clean build (removed src/build, then ran configure, make
and make install) of the trunk today -- thankfully I've started
keeping two copies of the trunk, because the one I'm rebuilding is
still going, seven hours later.  Currently running Scribble files.
Now, I'm not on the world's fastest machine (2 GHz dual-core G5, 3G
RAM), but seven hours is over the top.  The only thing out of the
ordinary is an error I keep getting:

/Users/cce/plt/two/collects/framework/private/keymap.ss:33:31:
compile: unbound identifier in module in: valid-key-bindings-lang?

I suppose there are some files it keeps re-compiling until it hits
this error, but I wouldn't expect that to push it to seven hours.

Anyone have an idea what might be causing this, or how I could diagnose it?

Carl Eastlund