--- Makefile.orig	2013-11-11 03:11:15.000000000 +0800
+++ Makefile	2014-07-01 01:06:16.800481843 +0800
@@ -88,17 +88,16 @@
 	done;
 
 install:
-	install -d $(DESTDIR)$(PREFIX)/bin \
-		$(DESTDIR)$(PREFIX)/share/debhelper/autoscripts \
-		$(DESTDIR)$(PERLLIBDIR)/Sequence \
-		$(DESTDIR)$(PERLLIBDIR)/Buildsystem
+	install -d \
+		$(DESTDIR)${SITE_PERL}/Debian/Debhelper/Sequence \
+		$(DESTDIR)${SITE_PERL}/Debian/Debhelper/Buildsystem
 	install dh $(COMMANDS) $(DESTDIR)$(PREFIX)/bin
-	install -m 0644 autoscripts/* $(DESTDIR)$(PREFIX)/share/debhelper/autoscripts
-	install -m 0644 Debian/Debhelper/*.pm $(DESTDIR)$(PERLLIBDIR)
+	install -m 0644 autoscripts/* $(DESTDIR)$(PREFIX)/bin
+	install -m 0644 Debian/Debhelper/*.pm $(DESTDIR)${SITE_PERL}/Debian/Debhelper
 	[ "$(PREFIX)" = /usr ] || \
-		sed -i '/$$prefix=/s@/usr@$(PREFIX)@g' $(DESTDIR)$(PERLLIBDIR)/Dh_Lib.pm
-	install -m 0644 Debian/Debhelper/Sequence/*.pm $(DESTDIR)$(PERLLIBDIR)/Sequence
-	install -m 0644 Debian/Debhelper/Buildsystem/*.pm $(DESTDIR)$(PERLLIBDIR)/Buildsystem
+		sed -i '' '/$$prefix=/s@/usr@$(PREFIX)@g' $(DESTDIR)${SITE_PERL}/Debian/Debhelper/Dh_Lib.pm
+	install -m 0644 Debian/Debhelper/Sequence/*.pm $(DESTDIR)${SITE_PERL}/Debian/Debhelper/Sequence
+	install -m 0644 Debian/Debhelper/Buildsystem/*.pm $(DESTDIR)${SITE_PERL}/Debian/Debhelper/Buildsystem
 
 test: version
 	./run perl -MTest::Harness -e 'runtests grep { ! /CVS/ && ! /\.svn/ && -f && -x } @ARGV' t/* t/buildsystems/*