--- Makefile.in
+++ Makefile.in
@@ -30,6 +30,8 @@
 manext = 1
 manprefix = 
 
+DESTDIR =
+
 #### End of system configuration section. ####
 
 SHELL = /bin/sh
@@ -60,22 +62,22 @@
 ${OBJ}: ${srcdir}/less.h ${srcdir}/funcs.h ${srcdir}/multi.h defines.h 
 
 install: all ${srcdir}/less.nro ${srcdir}/lesskey.nro ${srcdir}/lessecho.nro installdirs
-	${INSTALL_PROGRAM} less ${bindir}/${binprefix}less
-	${INSTALL_PROGRAM} lesskey ${bindir}/${binprefix}lesskey
-	${INSTALL_PROGRAM} lessecho ${bindir}/${binprefix}lessecho
-	${INSTALL_DATA} ${srcdir}/less.nro ${mandir}/man${manext}/${manprefix}less.${manext}
-	${INSTALL_DATA} ${srcdir}/lesskey.nro ${mandir}/man${manext}/${manprefix}lesskey.${manext}
-	${INSTALL_DATA} ${srcdir}/lessecho.nro ${mandir}/man${manext}/${manprefix}lessecho.${manext}
+	${INSTALL_PROGRAM} less ${DESTDIR}/${bindir}/${binprefix}less
+	${INSTALL_PROGRAM} lesskey ${DESTDIR}/${bindir}/${binprefix}lesskey
+	${INSTALL_PROGRAM} lessecho ${DESTDIR}/${bindir}/${binprefix}lessecho
+	${INSTALL_DATA} ${srcdir}/less.nro ${DESTDIR}/${mandir}/man${manext}/${manprefix}less.${manext}
+	${INSTALL_DATA} ${srcdir}/lesskey.nro ${DESTDIR}/${mandir}/man${manext}/${manprefix}lesskey.${manext}
+	${INSTALL_DATA} ${srcdir}/lessecho.nro ${DESTDIR}/${mandir}/man${manext}/${manprefix}lessecho.${manext}
 
 install-strip:
 	${MAKE} INSTALL_PROGRAM='${INSTALL_PROGRAM} -s' install
 
 installdirs: mkinstalldirs
-	${srcdir}/mkinstalldirs ${bindir} ${mandir}/man${manext}
+	${srcdir}/mkinstalldirs ${DESTDIR}/${bindir} ${DESTDIR}/${mandir}/man${manext}
 
 uninstall:
-	rm -f ${bindir}/${binprefix}less ${bindir}/${binprefix}lesskey ${bindir}/${binprefix}lessecho
-	rm -f ${mandir}/man${manext}/${manprefix}less.${manext} ${mandir}/man${manext}/${manprefix}lesskey.${manext}
+	rm -f ${DESTDIR}/${bindir}/${binprefix}less ${DESTDIR}/${bindir}/${binprefix}lesskey ${DESTDIR}/${bindir}/${binprefix}lessecho
+	rm -f ${DESTDIR}/${mandir}/man${manext}/${manprefix}less.${manext} ${DESTDIR}/${mandir}/man${manext}/${manprefix}lesskey.${manext}
 
 info:
 install-info: