As per the previous task, you'll be working mostly with the book for this task. Start on page 107 (that's a book page; add 13 if you're counting from the front cover, so it's really page 120). Here's a link to the book,

http://greenback.gremlin.net/CLFS-x86.pdf

And here's some spec files for reference:

(or at least there will be soon ;)

More specs are on the way as I test them on my Windows and Slackware machines. In the meantime, here's a tarball containing everything I had the last time I built CLFS. Most of it hasn't changed since 2010:

http://greenback.gremlin.net/old-clfs.tar.bz2