Fri Apr 17 22:42:46 UTC 2009  mantoniotti
  * System definitions files (.asd and .system) modified in order to make
  System definitions files (.asd and .system) modified in order to make
  dependency form CL-PPCRE optional.
  
diff -rN -u old-cl-unification-1/cl-unification.asd new-cl-unification-1/cl-unification.asd
--- old-cl-unification-1/cl-unification.asd	2013-07-24 17:30:11.000000000 +0000
+++ new-cl-unification-1/cl-unification.asd	2013-07-24 17:30:11.000000000 +0000
@@ -3,22 +3,38 @@
 ;;;; cl-unification.asd --
 ;;;; ASDF system file.
 
-(asdf:defsystem cl-unification
-		:author "Marco Antoniotti"
-		:serial t
-		:components ((:file "unification-package")
-			     (:file "variables")
-			     (:file "substitutions")
-			     (:file "lambda-list-parsing")
-			     (:file "templates-hierarchy")
-			     (:file "unifier")
-			     (:file "match-block")
-			     (:file "apply-substitution")
-                             (:module "lib-dependent"
-                              :depends-on ("templates-hierarchy" "unifier")
-                              :components (
-                                           #+cl-ppcre
-                                           (:file "cl-ppcre-template")
-                                           ))))
+;;;;===========================================================================
+;;;; Simple stuff that should be built in ASDF.
+
+(defpackage "CL-UNIFICATION-SYSTEM" (:use "CL" "ASDF"))
+
+(in-package "CL-UNIFICATION-SYSTEM")
+
+(defclass asdf-system-definition-file (asdf:cl-source-file) ())
+(defmethod source-file-type ((c asdf-system-definition-file) (s module)) "asd")
+
+
+(asdf:defsystem :cl-unification
+  :author "Marco Antoniotti"
+  :serial t
+  :components ((:file "unification-package")
+               (:file "variables")
+               (:file "substitutions")
+               (:file "lambda-list-parsing")
+               (:file "templates-hierarchy")
+               (:file "unifier")
+               (:file "match-block")
+               (:file "apply-substitution")
+               #+asdf-with-optional-dependencies
+               (:module "lib-dependent"
+                :pathname "lib-dependent"
+                :depends-on ("templates-hierarchy" "unifier")
+                :components ((:file "cl-ppcre-template"
+                              :depends-on (cl-ppcre))
+                             ))
+               #-asdf-with-optional-dependencies
+               (asdf-system-definition-file
+                "cl-unification-lib")
+               ))
 
 ;;;; end of file -- cl-unification.asd --
diff -rN -u old-cl-unification-1/cl-unification.system new-cl-unification-1/cl-unification.system
--- old-cl-unification-1/cl-unification.system	2013-07-24 17:30:11.000000000 +0000
+++ new-cl-unification-1/cl-unification.system	2013-07-24 17:30:11.000000000 +0000
@@ -4,21 +4,21 @@
 ;;;; MK:DEFSYSTEM system file.
 
 (mk:defsystem "CL-UNIFICATION"
-    :source-extension "lisp"
-    :components ("unification-package"
-		 "variables"
-		 "substitutions"
-		 "lambda-list-parsing"
-		 "templates-hierarchy"
-		 "unifier"
-		 "match-block"
-		 "apply-substitution"
-                 (:module "lib-dependent"
-                  :depends-on ("templates-hierarchy" "unifier")
-                  :components (
-                               #+cl-ppcre
-                               (:file "cl-ppcre-template")
-                               ))
-                 ))
+  :source-extension "lisp"
+  :components ("unification-package"
+               "variables"
+               "substitutions"
+               "lambda-list-parsing"
+               "templates-hierarchy"
+               "unifier"
+               "match-block"
+               "apply-substitution"
+               (:module "lib-dependent"
+                :depends-on ("templates-hierarchy" "unifier")
+                :components ((:subsystem "cl-ppcre-template"
+                              :non-required-p t
+                              )
+                             ))
+               ))
    
 ;;; end of file -- cl-unification.system --