LFS intends to be, as far as possible, platform independent. Having said that, the main LFS development work occurs on the x86 platform. We attempt to include information where possible on differences for other platforms such as PPC. If you come across a problem compiling which is not related to the x86 platform, still feel free to ask for help on the mailing lists. Even better, if you come up with a solution to a particular problem related to one of the other platforms, please let us know at the lfs-dev mailing list. We will then (subject to confirming it works) include that in the book.