7013705 userland build needs local tarball caching
7015775 userland build should be more symlink friendly.
7023611 top should move to userland
7024384 userlands shared-macros.mk has a bad reference for the gnu C++ compiler
7026199 libtool should move to userland
7026200 autoconf should move to userland
7026202 automake should move to userland