;; mzcrypto: crypto library for mzscheme
;; Copyright (C) 2007 Dimitris Vyzovitis <vyzo@media.mit.edu>
;;
;; This library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public
;; License as published by the Free Software Foundation; either
;; version 2.1 of the License, or (at your option) any later version.
;;
;; This library is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;; Lesser General Public License for more details.
;;
;; You should have received a copy of the GNU Lesser General Public
;; License along with this library; if not, write to the Free Software
;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
;; USA

(module install mzscheme
  (require (lib "setup-extension.ss" "make")
           (only (lib "pregexp.ss") pregexp-split))
  (provide pre-installer have-ptr-add?)
  (define (have-ptr-add?)
    (let-values (((major minor) 
                  (let ((v (map string->number 
                                (pregexp-split "[.]" (version)))))
                    (values (car v) (cadr v)))))
      (or (> major 369) (and (= major 369) (> minor 7)))))
  
  (define (pre-installer top home)
    (define (make-file file)
      (pre-install top home file 
                   home ; default-lib-dir
                   null ; include subdis
                   null ; find-unix-libs
                   null ; find-windows-libs
                   null ; unix-libs
                   null ; windows libs
                   null ; extra deps
                   (lambda (p) (p))
                   #t)) ; 3m
    (unless (have-ptr-add?)
      (make-file "_compat.c")))
  )