X-Git-Url: https://git.distorted.org.uk/~mdw/clg/blobdiff_plain/ab15c5d9bc957833999db90ce33186d6077f1ec9..279277515c62b8e1e47bc7c2b1867638013ada5a:/tools/asdf-extensions.lisp

diff --git a/tools/asdf-extensions.lisp b/tools/asdf-extensions.lisp
index 633e21c..93be2d3 100644
--- a/tools/asdf-extensions.lisp
+++ b/tools/asdf-extensions.lisp
@@ -1,5 +1,7 @@
 (in-package :asdf)
 
+(export 'load-dso)
+
 (defun concatenate-strings (strings &optional delimiter)
   (if (not (rest strings))
       (first strings)
@@ -10,7 +12,7 @@
      (concatenate-strings (rest strings) delimiter))))
 
 ;;; The following code is more or less copied frm sb-bsd-sockets.asd,
-;;; but extended to allow flags set in a general way
+;;; but extended to allow flags to be set in a general way
 
 (defclass unix-dso (module) ())
 (defun unix-name (pathname)
@@ -19,7 +21,7 @@
      (logical-pathname (translate-logical-pathname pathname))
      (t pathname))))
 
-(defmethod asdf::input-files ((operation compile-op) (dso unix-dso))
+(defmethod input-files ((operation compile-op) (dso unix-dso))
   (mapcar #'component-pathname (module-components dso)))
 
 (defmethod output-files ((operation compile-op) (dso unix-dso))
@@ -49,11 +51,22 @@
 			      (module-components dso)))))
       (error 'operation-error :operation operation :component dso))))
 
+#+clisp
+(defvar *loaded-libraries* ())
+
+(defun load-dso (filename)
+  #+sbcl(sb-alien:load-shared-object filename)
+  #+cmu(ext:load-foreign filename)
+  #+clisp
+  (unless (find filename *loaded-libraries* :test #'equal)
+    (ffi::foreign-library (namestring filename))
+    (push filename *loaded-libraries*)))
+
+
 (defmethod perform ((o load-op) (c unix-dso))
   (let ((co (make-instance 'compile-op)))
     (let ((filename (car (output-files co c))))
-      #+cmu (ext:load-foreign filename)
-      #+sbcl (sb-alien:load-shared-object filename))))
+      (load-dso filename))))
 
 
 
@@ -65,9 +78,7 @@
 
 
 (defmethod output-files ((op compile-op) (c c-source-file))
-  (list 
-   (make-pathname :type "o" :defaults
-		  (component-pathname c))))
+  (list (make-pathname :type "o" :defaults (component-pathname c))))
 
 
 (defmethod perform ((op compile-op) (c c-source-file))
@@ -95,3 +106,43 @@
   t)
   
 
+;;; Shared libraries
+
+(defclass library (component) 
+  ((libdir :initarg :libdir)))
+
+
+(defun split-path (path)
+  (labels ((split (path)
+	     (unless (zerop (length path))
+	       (let ((slash (position #\/ path)))
+		 (if slash
+		     (cons (subseq path 0 slash) (split (subseq path (1+ slash))))
+		   (list path))))))
+    (if (and (not (zerop (length path))) (char= (char path 0) #\/))
+	(cons :absolute (split (subseq path 1)))
+      (cons :relative (split path)))))
+
+
+(defmethod component-pathname ((lib library))
+  (make-pathname :type "so"
+		 :name (component-name lib)
+		 :directory (split-path (slot-value lib 'libdir))))
+
+(defmethod perform ((o load-op) (c library))
+  (load-dso (component-pathname c)))
+
+(defmethod perform ((operation operation) (c library))
+  nil)
+
+(defmethod operation-done-p ((o load-op) (c library))
+  #+sbcl(find (sb-ext::unix-namestring (component-pathname c)) sb-alien::*shared-objects* :key #'sb-alien::shared-object-file :test #'equal)
+  #+cmu(rassoc (unix::unix-namestring (component-pathname c)) 
+	system::*global-table* 
+	:key #'(lambda (pathname)
+		 (when pathname (unix::unix-namestring pathname)))
+	:test #'equal)
+  #+clisp(find (component-pathname c) *loaded-libraries* :test #'equal))
+
+(defmethod operation-done-p ((o operation) (c library))
+  t)