Here's the links to the packages to build Haiku on Puppy 4.2.1 <a href="http://haiku-user.info/files/cdrtools-2.01.01-i486.pet";>cdrtools 2.01.01.pet</a> <a href="http://haiku-user.info/files/devx_421.sfs";>devx421.sfs</a> <a href="http://haiku-user.info/files/less-418-i486.pet";>less-418-i486.pet</a> <a href="http://haiku-user.info/files/yasm-0.8.0.pet";>yasm-0.8.0.pet</a> and also a premade Puppy iso containing all of the necessary tools - just burn it <a href="http://haiku-user.info/files/custom-puppy-421.iso";>Custom Puppy CD</a>