The compilers, down to machine code, are included in the 20K budget. The special language -> intermediate form tool is only a few hundred lines. There are a c

The compilers, down to machine code, are included in the 20K budget. The special language -> intermediate form tool is only a few hundred lines. There are a couple of intermediate -> machine code tools, also a few hundred lines. And of course, together they are self-hosting. Check out the top paper in that list http://www.vpri.org/pdf/tr2011004_steps11.pdf http://www.vpri.org/pdf/tr2011004_steps11.pdf The pdf was produced in their publishing software, running on their OS, compiled with their compilers. And, they are still under budget.