Only in dahdi-tools-2.2.0.orig/: .#Makefile
diff -ur dahdi-tools-2.2.0.orig/xpp/Makefile dahdi-tools-2.2.0.fix/xpp/Makefile
--- dahdi-tools-2.2.0.orig/xpp/Makefile	2009-05-19 18:13:53.000000000 +0200
+++ dahdi-tools-2.2.0.fix/xpp/Makefile	2009-09-25 12:08:09.083629101 +0200
@@ -28,7 +28,7 @@
 DATADIR		= $(datadir)/dahdi
 MANDIR		= $(mandir)/man8
 HOTPLUG_USB_DIR	= /etc/hotplug/usb
-PERLLIBDIR	:= $(shell eval `perl -V:sitelib`; echo "$$sitelib")
+PERLLIBDIR	:= $(shell eval `perl -V:vendorlib`; echo "$$vendorlib")
 PERL_DIRS	:= $(shell cd perl_modules; find * -name '[A-Z]*' -type d| xargs)
 PERL_MODS_PAT	:= *.pm $(PERL_DIRS:%=%/*.pm)
 PERL_MODS	:= $(shell cd perl_modules; echo $(PERL_MODS_PAT))