(define *required-chicken* '("4.7.0"  . #(4 7 0)))
(define *required-libgit2* '("0.17.0" . #(0 17 0)))

(when (string<? (chicken-version) (car *required-chicken*))
  (fprintf (current-error-port)
           "\n  git: This extension requires Chicken version ~a or later."
           (car *required-chicken*))
  (exit 1))

(compile -s -O2 -d0 -w -J -lgit2 git-lolevel.scm)
(compile -s -O2 -d0 -w -J -lgit2 git.scm)
(compile -s -O2 -d0 git-lolevel.import.scm)
(compile -s -O2 -d0 git.import.scm)

(load "./git-lolevel.so")
(load "./git-lolevel.import.so")
(import (only git-lolevel libgit2-version))

(when (not (equal? (libgit2-version) (cdr *required-libgit2*)))
  (fprintf (current-error-port)
           "\n  git: This extension requires libgit2 ~a."
           (car *required-libgit2*))
  (exit 1))

(install-extension 'git
  '("git-lolevel.so" "git-lolevel.import.so"
    "git.so" "git.import.so")
  '((version "0.0.17")))