GUB the Grand Unified Builder

Links

autopackage.org
openSUSE build service
codesourcery.com
pre-GUB LilyPond installers
emdebian.org
GUB build specifications
GUB patches
lilypond.org/blog/janneke/gub3-ooo-mingw-cross-build
openembedded.org
scratchbox.org
Scratbox2; sb2
Dan Kegel's crosstool