I broke the documentation builds when I deleted the MakefileGuide as part of the autoconf removal. At some point I'll need to do a more in-depth pass updating the documentation to remove references to the old build system.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258873 91177308-0d34-0410-b5e6-96231b3b80d8