r8830: improve system loading

[clsql.git] / clsql-uffi.asd

diff --git a/clsql-uffi.asd b/clsql-uffi.asd
index 42356496f8e4b7e8b6ffc6cb288e1450d94e1d56..077b578fe55ce6d41312fb1685ca583ce3392c1a 100644 (file)
--- a/clsql-uffi.asd
+++ b/clsql-uffi.asd
@@ -53,6 +53,9 @@
 (defmethod perform ((o load-op) (c clsql-uffi-source-file))
   nil) ;;; library will be loaded by a loader file
 
+(defmethod operation-done-p ((o load-op) (c clsql-uffi-source-file))
+  nil) 
+
 (defmethod perform ((o compile-op) (c clsql-uffi-source-file))
   (unless (zerop (run-shell-command
                  "cd ~A; make"
@@ -61,6 +64,12 @@
                                             :directory *library-file-dir*))))
     (error 'operation-error :component c :operation o)))
 
+(defmethod operation-done-p ((o compile-op) (c clsql-uffi-source-file))
+  (let ((lib (make-pathname :defaults (component-pathname c)
+                           :type (uffi:default-foreign-library-type))))
+    (and (probe-file lib)
+        (> (file-write-date lib) (file-write-date (component-pathname c))))))
+  
 #+(or allegro lispworks cmu sbcl openmcl mcl scl)
 (defsystem clsql-uffi
   :name "cl-sql-base"