(compile -s -O3 -d1 "leptonica.scm" -j leptonica -llept -ljpeg -lpng -ltiff)
(compile -c -O3 -d1 "leptonica.scm" -unit lepontica -llept -ljpeg -lpng -ltiff)
(compile -s -O3 -d0 "leptonica.import.scm" -llept -ljpeg -lpng -ltiff)

(install-extension
 'leptonica
 '("leptonica.o" "leptonica.so" "leptonica.import.so")
 '((version 0.2)
   (static "leptonica.o")))