(compile -s -O3 -d1 eping-mod.scm -o eping.so -j eping)
(compile -s -O3 -d0 eping.import.scm)
(compile -O3 -d1 "app/eping.scm" -o eping)
(compile -c -O2 -d0 -unit eping eping.scm -j eping)

(install-extension
  'eping 
  '("eping.so" "eping.import.so" "eping.o")
  '((version 1.0)
    (static "eping.o")))