Initialise classpath for beanshell and checkstyle using java-config.
Gentoo specific patch.

--- jde-orig/lisp/beanshell.el
+++ jde/lisp/beanshell.el
@@ -809,6 +809,14 @@
   "BeanShell intended to be used independently of any other
 Emacs package.")
 
+(defun bsh-get-gentoo-classpath ()
+  (or bsh-classpath
+      (with-temp-buffer
+	(call-process "java-config" nil t nil "-d" "-p" "bsh")
+	(skip-chars-backward "\n")
+	(setq bsh-classpath
+	      (split-string (buffer-substring (point-min) (point)) ":+")))))
+
 (defmethod initialize-instance ((this bsh-standalone-bsh) &rest fields)
   "Constructor for the standard bsh BeanShell instance."
   (call-next-method)
@@ -845,7 +853,7 @@
 	bsh-vm)
      (executable-find (if (eq system-type 'windows-nt) "javaw" "java"))))
 
-  (oset this cp bsh-classpath)
+  (oset this cp (bsh-get-gentoo-classpath))
 
   (oset this startup-dir bsh-startup-directory))
 
--- jde-orig/lisp/jde-bsh.el
+++ jde/lisp/jde-bsh.el
@@ -187,7 +187,7 @@
 		       (jde-get-tools-jar)
 		       (if ant-home (expand-file-name "lib" ant-home)))
 		      (jde-pi-get-bsh-classpath)
-		      bsh-classpath
+		      (bsh-get-gentoo-classpath)
 		      (jde-expand-classpath (jde-get-global-classpath)))))))
 
 ;; Create the BeanShell wrapper object.
--- jde-orig/lisp/jde-checkstyle.el
+++ jde/lisp/jde-checkstyle.el
@@ -305,6 +305,14 @@
        (format "-D%s=%s" (car prop) (cdr prop)))
      jde-checkstyle-expanded-properties))
 
+(defun jde-checkstyle-get-gentoo-classpath ()
+  (or jde-checkstyle-classpath
+      (with-temp-buffer
+	(call-process "java-config" nil t nil "-d" "-p" "checkstyle")
+	(skip-chars-backward "\n")
+	(setq jde-checkstyle-classpath
+	      (split-string (buffer-substring (point-min) (point)) ":+")))))
+
 (defmethod jde-checkstyle-exec ((this jde-checkstyle-checker))
 
   (jde-checkstyle-create-checker-buffer this)
@@ -327,9 +335,8 @@
 		  (jde-checkstyle-get-property-args this))
 		(oref this :interactive-args)
 		(list "-classpath"
-		      (if jde-checkstyle-classpath
-			  (jde-build-classpath jde-checkstyle-classpath)
-			(jde-normalize-path jde-checkstyle-jar-file)))
+		      (jde-build-classpath
+		       (jde-checkstyle-get-gentoo-classpath)))
 		(list jde-checkstyle-class)
 		(list "-c"
 		      (if jde-checkstyle-style