diff --git a/Make/instrules.new b/Make/instrules.new
index d6094060b..d8580aa68 100644
--- a/Make/instrules.new
+++ b/Make/instrules.new
@@ -33,8 +33,35 @@ instlinksbin :
 	$(MAKE) INSTALL="$(INSTLINKBIN)" instbin
 
 instlinksdev :
-	$(MAKE) INSTALL="$(INSTLINKDEV)" instbin
+	$(MAKE) INSTALL="$(INSTLINKDEV)" instdev
 
+instclean : instcleanbin instcleandev
+
+instcleanbin :
+	@$(MAKE) INSTSRC=$(TOPDIR)/bin INSTDEST=$(INST_DEMOS) \
+		INSTALL?="$(INSTBIN)" __instclean
+	@$(MAKE) INSTSRC=$(TOPDIR)/lib INSTDEST=$(INST_LIBS) \
+		INSTALL?="$(INSTBIN)" __instclean
+	@$(MAKE) INSTSRC=$(TOPDIR)/lib/osgPlugins INSTDEST=$(INST_PLUGINS)\
+		INSTALL?="$(INSTBIN)" __instclean
+
+instcleandev :
+	@for d in `ls -1  $(TOPDIR)/include/ | grep -v CVS`; \
+	do\
+	  if [ -d $(TOPDIR)/include/$$d ]; \
+	  then \
+	    $(MAKE) INSTSRC=$(TOPDIR)/include/$$d INSTDEST=$(INST_INCLUDE)/$$d\
+		   INSTALL?="$(INSTDEV)" __instclean;\
+	  fi\
+	done
+	@for d in `ls -1  $(TOPDIR)/src/Demos | grep -v CVS`; \
+	do\
+	  if [ -d $(TOPDIR)/src/Demos/$$d ]; \
+	  then \
+	    $(MAKE) INSTSRC=$(TOPDIR)/src/Demos/$$d INSTDEST=$(INST_DEMO_SRC)/$$d\
+		   INSTALL?="$(INSTDEV)" __instclean;\
+	  fi\
+	done
 
 
 __install :
@@ -43,15 +70,57 @@ __install :
 	@[ -n "$(INSTDEST)" ] || echo "Internal error (INSTDEST definition)"
 	@[ -n "$(INSTDEST)" ] && echo > /dev/null
 	@[ -d $(INSTDEST) ] || mkdir -p $(INSTDEST)
+	@echo INSTSRC is $(INSTSRC)
 	@cd $(INSTSRC);\
+	THISDIR=`pwd`;\
 	if [ -n "`ls -1 | grep -v CVS`" ]; then\
 	  for f in `ls -1 | grep -v CVS`; \
 	  do\
 	    if [ -f $$f ] ; \
 	    then \
-	        echo $(INSTALL) $$f $(INSTDEST);\
+	        echo $(INSTALL) $$THISDIR/$$f $(INSTDEST);\
+	        $(INSTALL) $$THISDIR/$$f $(INSTDEST);\
 	    fi\
 	  done\
 	fi
 
 
+__instclean :
+	@[ -n "$(INSTSRC)" ] || echo "Internal error (INSTSRC definition)"
+	@[ -n "$(INSTSRC)" ] && echo > /dev/null
+	@[ -n "$(INSTDEST)" ] || echo "Internal error (INSTDEST definition)"
+	@[ -n "$(INSTDEST)" ] && echo > /dev/null
+	@if [ -d $(INSTDEST) ] ; \
+	then\
+	  cd $(INSTSRC);\
+	  if [ -n "`ls -1 | grep -v CVS`" ]; then\
+	    for f in `ls -1 | grep -v CVS`; \
+	    do\
+	      if [ -f $$f ] ; \
+	      then \
+	          echo "rm -f $(INSTDEST)/$$f";\
+	          rm -f $(INSTDEST)/$$f;\
+	      fi\
+	    done\
+	  fi;\
+	  empty=`ls $(INSTDEST)`;\
+	  if [ -z "$$empty" ];\
+	  then\
+	    repeat=1;\
+	    while [ $$repeat = 1 ] ; \
+	    do \
+	      printf "$(INSTDEST) is empty.  Remove? (y/n) [y]: ";\
+	      read resp;\
+  	      case $$resp in  \
+	        ""|Yes|YES|yes|Y|y) rm -rf $(INSTDEST); repeat=0;; \
+	        n|N|no|NO)                              repeat=0;; \
+                *)                                      repeat=1;; \
+	      esac\
+            done\
+	  fi\
+	fi
+
+
+
+
+
diff --git a/Make/makedefs.new b/Make/makedefs.new
index 3b41c596d..dcabed1af 100644
--- a/Make/makedefs.new
+++ b/Make/makedefs.new
@@ -24,7 +24,7 @@ PLUGININST = lib/osgPlugins
 
 INST_DEMOS    = /usr/share/OpenSceneGraph/bin
 INST_LIBS     = /usr/share/OpenSceneGraph/lib
-INST_PLUGINS  =  /usr/share/OpenSceneGraph/lib/osgPlugins
+INST_PLUGINS  = /usr/share/OpenSceneGraph/lib/osgPlugins
 INST_INCLUDE  = /usr/share/OpenSceneGraph/include
 INST_DEMO_SRC = /usr/share/OpenSceneGraph/src/demos
 INST_DATA     = /usr/share/OpenSceneGraph/data
@@ -71,6 +71,9 @@ ifeq ($(OS),SunOS)
   PLUGIN_EXT        = so
   TIFF_LIB	    = -ltiff
 
+INSTBIN       = cp
+INSTDEV       = cp
+
 endif
 
 #### IRIX Specific definitions
diff --git a/Make/makerules.new b/Make/makerules.new
index add8c49ab..2ffd7c55f 100644
--- a/Make/makerules.new
+++ b/Make/makerules.new
@@ -158,7 +158,7 @@ depend : $(MAKEDEPEND)
 #  The first four lines check to see that both LNSRC and LNDEST have been 
 #  defined.
 #  
-#  The (very long) following 'if' statement reads in speudo-code like this:
+#  The (very long) following 'if' statement reads in pseudo-code like this:
 #  
 #     if the current link is not pointing to the intended destination
 #      then
@@ -166,11 +166,11 @@ depend : $(MAKEDEPEND)
 #          compute the link path by the following steps
 #  	    a) define SRCDIR as the current absolute directory 
 #  	       appended by the directory of the intended source of the link
-#  	    b) define DESTDIR as the absolute path of $(ROOT) appended by
+#  	    b) define DESTDIR as the absolute path of $(TOPDIR) appended by
 #  	       the directory of the intended destination of the link
 #  	    c) define a temproary variable T to be the absolute path of
 #  	       the destination directory less the prefix of the absolute
-#  	       path of $(ROOT)
+#  	       path of $(TOPDIR)
 #  	         e.g.   /root/work/thisdir/bin/ - /root/work/thisdir/ = bin/
 #           d) Run a loop, truncating the path represented by T until 
 #              'dirname' returns '.'.  On each iteration increment PFX 
@@ -179,7 +179,7 @@ depend : $(MAKEDEPEND)
 #  	         e.g. If DESTDIR is lib/osgPlugins, PFX is ../../
 #  	    e) Define the link as a concatenation of PFX and the absolute 
 #              path of the source directory less the absolute path of 
-#              $(ROOT)
+#              $(TOPDIR)
 #  
 #          Change directories in to the link destination directory 
 #  	   run the link command