The log file is no longer configurable: it is always "${CT_PREFIX_DIR}/build.log".
Add an option to compress the log file upon successfull build.
Make rendering the toolchain read-only optional.
A few eye-candy fixes.
1 The files rh62*.patch are from the Red Hat 6.2 file glibc-2.1.3-28.src.rpm
2 I am trusting here that Red Hat's patches are appropriate for all CPU
3 types. If I'm wrong, just remove the offending patch...