--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- Makefile
+++ Makefile
@@ -2,21 +2,23 @@ 
 PROG=gnome-manual-duplex
 VERSION=0.43
 
-INSTALL=install
-LPADMIN=/usr/sbin/lpadmin
-
-BIN=$(DESTDIR)/usr/bin
-SHARE=$(DESTDIR)/usr/share
-APPL=$(DESTDIR)/usr/share/applications
-PIXMAPS=$(DESTDIR)/usr/share/pixmaps
-LIBCUPS=$(DESTDIR)/usr/lib/cups
-LIBBONOBO=$(DESTDIR)/usr/lib/bonobo
-MANDIR=$(DESTDIR)/usr/share/man
-SERVICES=$(DESTDIR)/usr/share/dbus-1/services/
-APPLETS=$(DESTDIR)/usr/share/gnome-panel/4.0/applets/
+INSTALL ?= install
+LPADMIN ?= /usr/sbin/lpadmin
+
+LIBDIR ?= lib
+BIN ?= $(DESTDIR)/usr/bin
+SHARE ?= $(DESTDIR)/usr/share
+APPL ?= $(DESTDIR)/usr/share/applications
+PIXMAPS ?= $(DESTDIR)/usr/share/pixmaps
+LIBCUPS ?= $(DESTDIR)/usr/$(LIBDIR)/cups
+LIBBONOBO ?= $(DESTDIR)/usr/$(LIBDIR)/bonobo
+MANDIR ?= $(DESTDIR)/usr/share/man
+DOCDIR ?= $(DESTDIR)/usr/share/doc/$(PROG)
+SERVICES ?= $(DESTDIR)/usr/share/dbus-1/services/
+APPLETS ?= $(DESTDIR)/usr/share/gnome-panel/4.0/applets/
 
 UNAME := $(shell uname)
-GSED=sed
+GSED ?= sed
 ifeq ($(UNAME),Darwin)
     GSED=gsed
 endif
@@ -257,9 +259,9 @@ 
 	#
 	# Doc...
 	#
-	$(INSTALL) -d $(SHARE)/doc/$(PROG)
-	$(INSTALL) -m644 README $(SHARE)/doc/$(PROG)
-	$(INSTALL) -m644 COPYING $(SHARE)/doc/$(PROG)
+	$(INSTALL) -d $(DOCDIR)
+	$(INSTALL) -m644 README $(DOCDIR)
+	$(INSTALL) -m644 COPYING $(DOCDIR)
 	# /usr/share/locale
 	$(INSTALL) -d $(SHARE)/locale
 	cd locale; \