Chapters 9 through 10: Creating the CLFS system
Start on CLFS Book page 107
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: