;;;; sdl.setup -*- Scheme -*-


(define (check-depends)
     
  (let* ((lib-fun-pack '(("SDL_gfx" "polygonColor" "libsdl-gfx1.2-dev")))
	 (missing (filter (lambda (lib-fun)
			    (not (find-library (first lib-fun) (second lib-fun))))
			  lib-fun-pack)))
    (for-each
     (lambda (lib-fun)
       (print "\nWARNING: You seem to be missing the library " (first lib-fun) "!"))
     missing)
    (cond-expand
     (linux
      (unless (null? missing)
	(print "\nSuggested package(s) to install: " (map third missing))))
     (else #f))))

(check-depends)

(let* ((escape-flags (lambda (fs)
		       (map
			(lambda (s) (if (not (or (string-prefix-ci? "-l" s)
						 (string-prefix-ci? "-i" s)
						 (string-prefix-ci? "-d" s)))
					(sprintf " -C ~a " s)
					(sprintf " ~a " s)))
			(string-split fs))))
       (sdl-cflags (apply string-append
			  (escape-flags
			   (with-input-from-pipe "sdl-config --cflags" read-line))))
       (sdl-lflags (apply string-append
			  ;; sdl-config doesn't give these
			  " -lSDL_gfx -lm"
			  (escape-flags
			   (with-input-from-pipe "sdl-config --libs" read-line))))
       (types? (version>=? (chicken-version) "4.7.4"))
       (files (append '("sdl-gfx.so"
			"sdl-gfx.import.so")
		      (if types? '("sdl-gfx.types") '()))))
  (compile ,@(if types? '(-emit-type-file sdl-gfx.types) '())
	   -s -O3 -d1 sdl-gfx.scm -j sdl-gfx -lSDL ,sdl-cflags ,sdl-lflags)
  (compile -s -O3 -d0 sdl-gfx.import.scm ,sdl-cflags ,sdl-lflags)

  (install-extension 'sdl-gfx files '((version "0.1"))))