;; -*- Hen -*-

(define (dynld-name fn)		
  (make-pathname #f fn ##sys#load-dynamic-extension))	

(define (plot-try-compile header ldflags cppflags)
  (and (try-compile 
	(string-append "#include <stdio.h>\n"
		       header "\n" 
		       "int main(int argc, char **argv) { char *s = pl_libplot_ver; return 0; }\n")
	ldflags: ldflags
	cflags: cppflags)
       (cons ldflags cppflags)))

(print 
 (plot-try-compile "#include <plot.h>" "-lplot" "-I/usr/include/plot"))

(define-syntax plot-test 
  (syntax-rules ()
    ((_ (flags ...))
     (condition-case (plot-try-compile flags ...)
		     (t ()    #f)))))

(define ld+cpp-options
  (or (plot-test ("#include <plot.h>" "-lplot" ""))
      (plot-test ("#include <plot.h>" "-lplot" "-I/usr/include/plot"))
      (plot-test ("#include <plot.h>" "-lplot" "-I/opt/local/include"))
      (error "unable to figure out location of libplot")))


(compile -O -d2 -I. -s plot.scm  -j plot 
	 -L "\"" ,(car ld+cpp-options) "\"" 
	 -C "\"" ,(cdr ld+cpp-options) "\"")
(compile -O -d2 -s plot.import.scm)

(install-extension

  ; Name of your extension:
  'plot

  ; Files to install for your extension:
  `(,(dynld-name "plot") ,(dynld-name "plot.import")  )

  ; Assoc list with properties for your extension:
  `((version 1.1)))