Minix users: when using ack, use "CC=cc AR=aal RANLIB=: ./configure"!
+NeXT users: try running the configure script with the "--without-gcc"
+option. (The NeXT C compiler is based on gcc, but it is better
+matched to the set of header files provided by NeXT.)
You can configure the interpreter to contain fewer or more built-in
modules by editing the file Modules/Setup. This file is initially
copied (when the toplevel Makefile makes Modules/Makefile for the