;;;;
;;;; Name: libraries.cl
;;;; Purpose: UFFI source to load foreign libraries
-;;;; Programmer: Kevin M. Rosenberg
+;;;; Programmers: Kevin M. Rosenberg and John DeSoi
;;;; Date Started: Feb 2002
;;;;
-;;;; $Id: libraries.cl,v 1.1 2002/04/04 05:02:03 desoi Exp $
+;;;; $Id: libraries.cl,v 1.5 2002/04/23 00:31:42 desoi Exp $
;;;;
;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
+;;;; and John DeSoi
;;;;
;;;; UFFI users are granted the rights to distribute and use this software
;;;; as governed by the terms of the Lisp Lesser GNU Public License
(defvar *loaded-libraries* nil
"List of foreign libraries loaded. Used to prevent reloading a library")
-
+;in MCL calling this more than once for the same library does not do anything
(defmacro load-foreign-library (filename &key module supporting-libraries)
(declare (ignore module supporting-libraries))
`(eval-when (:compile-toplevel :load-toplevel :execute)
- (when (ccl:add-to-shared-library-search-path ,filename t)
- (pushnew filename *loaded-libraries*))))
+ (when (ccl:add-to-shared-library-search-path ,filename t)
+ (pushnew ,filename *loaded-libraries*))))
+
+;; Copied directly from main source without MCL specializations
+(defun find-foreign-library (names directories &key types drive-letters)
+ "Looks for a foreign library. directories can be a single
+string or a list of strings of candidate directories. Use default
+library type if type is not specified."
+ (unless types
+ (setq types (default-foreign-library-type)))
+ (unless (listp types)
+ (setq types (list types)))
+ (unless (listp names)
+ (setq names (list names)))
+ (unless (listp directories)
+ (setq directories (list directories)))
+ #+(or win32 mswindows)
+ (unless (listp drive-letters)
+ (setq drive-letters (list drive-letters)))
+ #-(or win32 mswindows)
+ (setq drive-letters '(nil))
+ (dolist (drive-letter drive-letters)
+ (dolist (name names)
+ (dolist (dir directories)
+ (dolist (type types)
+ (let ((path (make-pathname
+ #+lispworks :host
+ #+lispworks (when drive-letter drive-letter)
+ #-lispworks :device
+ #-lispworks (when drive-letter drive-letter)
+ :name name
+ :type type
+ :directory
+ (etypecase dir
+ (pathname
+ (pathname-directory dir))
+ (list
+ dir)
+ (string
+ (pathname-directory
+ (parse-namestring dir)))))))
+ (when (probe-file path)
+ (return-from find-foreign-library path)))))))
+ nil)
+
-(defun convert-supporting-libraries-to-string (libs)
- (let (lib-load-list)
- (dolist (lib libs)
- (push (format nil "-l~A" lib) lib-load-list))
- (nreverse lib-load-list)))
+;; Copied directly from main source without MCL specializations
+(defun default-foreign-library-type ()
+ "Returns string naming default library type for platform"
+ #+(or win32 mswindows) "dll"
+ #-(or win32 mswindows) "so")
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