(compile -s -O2 -d1 physfs.scm -j physfs -lphysfs ,@(if (version>=? (chicken-version) "4.7.0") '(-D improved-64-bit-support) '()))
(compile -s physfs.import.scm -O2 -d0 -lphysfs ,@(if (version>=? (chicken-version) "4.7.0") '(-D improved-64-bit-support) '()))
(compile -c -O2 -d1 physfs.scm -unit physfs -j physfs -lphysfs ,@(if (version>=? (chicken-version) "4.7.0") '(-D improved-64-bit-support) '()))

(install-extension
 'physfs
 '("physfs.so" "physfs.o" "physfs.import.so")
 '((version 2.1)
   (static "physfs.o")))