diff -up ppp-2.4.5/pppd/plugins/pppol2tp/Makefile.linux.instroot ppp-2.4.5/pppd/plugins/pppol2tp/Makefile.linux
--- ppp-2.4.5/pppd/plugins/pppol2tp/Makefile.linux.instroot	2009-11-16 23:26:07.000000000 +0100
+++ ppp-2.4.5/pppd/plugins/pppol2tp/Makefile.linux	2010-03-15 14:08:25.986401877 +0100
@@ -6,8 +6,8 @@ INSTALL	= install
 
 #***********************************************************************
 
-DESTDIR = @DESTDIR@
-LIBDIR = $(DESTDIR)/lib/pppd/$(VERSION)
+DESTDIR = $(INSTROOT)@DESTDIR@
+LIBDIR = $(DESTDIR)/lib/$(shell gcc -print-multi-os-directory 2> /dev/null)/pppd/$(VERSION)
 
 VERSION = $(shell awk -F '"' '/VERSION/ { print $$2; }' ../../patchlevel.h)