diff -ur pl-5.6.18.orig/packages/Makefile.in pl-5.6.18/packages/Makefile.in
--- pl-5.6.18.orig/packages/Makefile.in	2006-08-30 20:35:12.000000000 +1200
+++ pl-5.6.18/packages/Makefile.in	2006-09-01 20:21:48.000000000 +1200
@@ -30,7 +30,7 @@
 bindir=@bindir@
 PL=@PL@@RT@
 PLVERSION=@PLVERSION@
-PLBASE=$(prefix)/lib/@PL@-$(PLVERSION)
+PLBASE=@libdir@/@PL@-$(PLVERSION)
 PKGDOC=$(PLBASE)/doc/packages
 PLLIBS=@LIBS@
 PLARCH=@ARCH@
diff -ur pl-5.6.18.orig/packages/ltx2htm/Makefile.in pl-5.6.18/packages/ltx2htm/Makefile.in
--- pl-5.6.18.orig/packages/ltx2htm/Makefile.in	2006-08-25 21:19:59.000000000 +1200
+++ pl-5.6.18/packages/ltx2htm/Makefile.in	2006-09-01 20:22:55.000000000 +1200
@@ -33,7 +33,7 @@
 INSTALL_DATA=@INSTALL_DATA@
 
 # Don't change, this is also in latex2html.in!
-LIBDIR=$(prefix)/lib/latex2html
+LIBDIR=@libdir@/latex2html
 
 OBJ=	tex.o psfile.o
 LIB=	latex2html.pl latex.cmd pl.pl pl.cmd xpce.pl xpce.cmd \
diff -ur pl-5.6.18.orig/src/Makefile.in pl-5.6.18/src/Makefile.in
--- pl-5.6.18.orig/src/Makefile.in	2006-08-25 20:33:32.000000000 +1200
+++ pl-5.6.18/src/Makefile.in	2006-09-01 20:15:51.000000000 +1200
@@ -36,6 +36,7 @@
 srcdir=@srcdir@
 @VPATH@ @srcdir@
 bindir=@bindir@
+libdir=@libdir@
 mandir=@mandir@
 mansec=1
 lmansec=3
@@ -46,7 +47,7 @@
 PLVERSION=@PLVERSION@
 PL=@PL@@RT@
 PLV=@PL@@RT@-@PLVERSION@
-PLBASE=$(prefix)/lib/@PL@@RT@-@PLVERSION@
+PLBASE=$(libdir)/@PL@@RT@-@PLVERSION@
 BOOTFILE=@BOOTFILE@
 
 CC=@CC@
@@ -360,7 +361,7 @@
 		$(INSTALL_DATA) libplimp.a $(DESTDIR)$(PLBASE)/lib/$(ARCH)
 
 idirs::
-		if [ ! -d $(DESTDIR)$(prefix)/lib  ]; then $(MKDIR) $(DESTDIR)$(prefix)/lib; fi
+		if [ ! -d $(DESTDIR)$(libdir)  ]; then $(MKDIR) $(DESTDIR)$(libdir); fi
 		if [ ! -d $(DESTDIR)$(PLBASE) ]; then $(MKDIR) $(DESTDIR)$(PLBASE); fi
 		for d in $(installdirs); do \
 			if [ ! -d $(DESTDIR)$(PLBASE)/$$d ]; then \
@@ -430,7 +431,7 @@
 # runtime-only environment installation
 #
 
-RTHOME=		$(DESTDIR)$(prefix)/lib/$(PLV)
+RTHOME=		$(DESTDIR)$(libdir)/$(PLV)
 RTDIRS=		$(RTHOME) $(RTHOME)/bin $(RTHOME)/lib $(RTHOME)/lib/$(ARCH) \
 		$(RTHOME)/man $(RTHOME)/bin/$(ARCH) $(RTHOME)/include
 
diff -ur pl-5.6.18.orig/src/configure pl-5.6.18/src/configure
--- pl-5.6.18.orig/src/configure	2006-08-07 20:21:19.000000000 +1200
+++ pl-5.6.18/src/configure	2006-09-01 20:20:23.000000000 +1200
@@ -2546,7 +2546,7 @@
 
 
 test "x$prefix" = xNONE && prefix=$ac_default_prefix
-PLBASE=$prefix/lib/$PL-$PLVERSION
+PLBASE=$libdir/$PL-$PLVERSION
 
 
 for ac_prog in gmake make
diff -ur pl-5.6.18.orig/src/rc/Makefile.in pl-5.6.18/src/rc/Makefile.in
--- pl-5.6.18.orig/src/rc/Makefile.in	2006-07-11 20:22:28.000000000 +1200
+++ pl-5.6.18/src/rc/Makefile.in	2006-09-01 20:11:08.000000000 +1200
@@ -14,7 +14,7 @@
 srcdir=@srcdir@
 @VPATH@ @srcdir@
 bindir=$(exec_prefix)/bin
-PLBASE=$(prefix)/lib/@PL@-$(PLVERSION)
+PLBASE=@libdir@/@PL@-$(PLVERSION)
 man_prefix=$(prefix)/man
 mansec=1
 lmansec=3