Source package is built using autotools scripts: move to the source top directory then type "./configure" and "make dist", it should create a .tar.gz file ready to be released.
Install the "Autopackage Development Environment" (available here) then go the source top directory and type "./configure" and "makepackage", a .package file for yabause will be created.
Mac OS X
After the binaries have been compiled, go to src/carbon and run the "build_dmg.sh" script which will create a ready-to-distribute disk image. New files that should be included should also be added to the script.