(compile c3.scm
  -O3 -d0
  -disable-interrupts -fixnum-arithmetic
  -no-bound-checks -no-procedure-checks -no-argc-checks
  -s -j c3)
(compile c3.import.scm -O3 -d0 -s)

(install-extension
  'c3
  '("c3.so" "c3.import.so")
  `((version 1.5)))