diff -urN SNNSv4.2.orig/man/Makefile SNNSv4.2/man/Makefile
--- SNNSv4.2.orig/man/Makefile	1998-03-19 13:57:52.000000000 +0100
+++ SNNSv4.2/man/Makefile	2003-08-23 12:30:42.000000000 +0200
@@ -52,8 +52,8 @@
 
 install-one: $(MAN1DIR)
 	for mantarget in $(MAN1FILES) ; do \
-            if [ ! -e $(MAN1DIR)/$$mantarget ] ; then \
-               $(INSTALL_DATA) man1/$$mantarget $(MAN1DIR) ; \
+            if [ ! -e $(DESTDIR)$(MAN1DIR)/$$mantarget ] ; then \
+               $(INSTALL_DATA) man1/$$mantarget $(DESTDIR)$(MAN1DIR) ; \
             fi ; \
         done
 
diff -urN SNNSv4.2.orig/tools/sources/Makefile SNNSv4.2/tools/sources/Makefile
--- SNNSv4.2.orig/tools/sources/Makefile	1998-09-03 15:37:47.000000000 +0200
+++ SNNSv4.2/tools/sources/Makefile	2003-08-23 12:31:55.000000000 +0200
@@ -114,7 +114,7 @@
 
 install: tools $(TOOLSBINDIR)
 	for tooltarget in $(TOOLS_PRG) $(KRTOOLS_PRG) $(BATCH_PRG) ; do \
-            $(INSTALL_PROGRAM) $$tooltarget $(TOOLSBINDIR) ; \
+            $(INSTALL_PROGRAM) $$tooltarget $(DESTDIR)$(TOOLSBINDIR) ; \
         done
 
 install-strip:
diff -urN SNNSv4.2.orig/xgui/sources/Makefile SNNSv4.2/xgui/sources/Makefile
--- SNNSv4.2.orig/xgui/sources/Makefile	1998-09-03 15:39:03.000000000 +0200
+++ SNNSv4.2/xgui/sources/Makefile	2003-08-23 12:31:24.000000000 +0200
@@ -150,7 +150,7 @@
 	-mkdir $(XGUIBINDIR)
 
 install: all $(XGUIBINDIR)
-	$(INSTALL_PROGRAM) $(PROGRAM) $(XGUIBINDIR)
+	$(INSTALL_PROGRAM) $(PROGRAM) $(DESTDIR)$(XGUIBINDIR)
 
 install-strip:
 	$(MAKE) INSTALL_PROGRAM='$(INSTALL_PROGRAM) -s' install