diff -ur tun-module.old/debian/control.in tun-module/debian/control.in
--- tun-module.old/debian/control.in	2005-02-10 14:30:59.000000000 +0100
+++ tun-module/debian/control.in	2005-02-10 14:32:03.000000000 +0100
@@ -2,6 +2,8 @@
 Section: net
 Priority: optional
 Maintainer: Alexander Zangerl <az@debian.org>
+Build-Depends: autotools-dev, type-handling (>= 0.2.1),
+ kfreebsd5-source [@kfreebsd-gnu@], freebsd5-buildutils [@kfreebsd-gnu@]
 Standards-Version: 3.5.6.1
 
 Package: tun-source
diff -ur tun-module.old/debian/rules tun-module/debian/rules
--- tun-module.old/debian/rules	2002-12-25 05:09:14.000000000 +0100
+++ tun-module/debian/rules	2005-02-10 14:18:34.000000000 +0100
@@ -2,10 +2,17 @@
 # rules for building both the tun-source package as well as the 
 # tun-module package
 
+DEB_HOST_GNU_SYSTEM	?= $(shell dpkg-architecture -qDEB_HOST_GNU_SYSTEM)
+
 clean:
 	test -f debian/rules
+	sed -e "s/@kfreebsd-gnu@/`type-handling any kfreebsd-gnu`/g" \
+	< debian/control.in > debian/control
 	-$(MAKE) distclean
 	-rm -rf debian/tmp debian/files* debian/substvars kdist_configure debian/control.real debian/changelog.real
+ifeq ($(DEB_HOST_GNU_SYSTEM), kfreebsd-gnu)
+	rm -rf $(KSRC_BASE)
+endif
 
 # building the tun-source package
 binary-indep:
@@ -59,19 +66,35 @@
 
 # These are used for cross-compiling and for saving the configure script
 # from having to guess our platform (since we know it already)
+DEB_HOST_GNU_SYSTEM	?= $(shell dpkg-architecture -qDEB_HOST_GNU_SYSTEM)
 DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
 DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
 
 # those will be passed by make-kpkg 
+ifeq ($(DEB_HOST_GNU_SYSTEM), linux)
+kernel = linux
 KSRC?=/usr/src/linux
+endif
+ifeq ($(DEB_HOST_GNU_SYSTEM), kfreebsd-gnu)
+kernel = freebsd
+KSRC_BASE := $(CURDIR)/kfreebsd-source
+KSRC := $(KSRC_BASE)/src/sys
+endif
+
 KDREV?="custom.1.0"
 
+ifeq ($(DEB_HOST_GNU_SYSTEM), linux)
 KVERSION :=$(shell egrep '^VERSION +=' $(KSRC)/Makefile 2>/dev/null | \
                  sed -e 's/[^0-9]*\([0-9]*\)/\1/')
 KPLEVEL  :=$(shell egrep '^PATCHLEVEL +=' $(KSRC)/Makefile 2>/dev/null | \
                     sed -e 's/[^0-9]*\([0-9]*\)/\1/')
 KSUBLEVEL:=$(shell egrep '^SUBLEVEL +=' $(KSRC)/Makefile 2>/dev/null | \
                   sed -e 's/[^0-9]*\([0-9]*\)/\1/')
+else
+KVERSION	:= 0
+KPLEVEL		:= 0
+KSUBLEVEL	:= 0
+endif
 
 # the sed regexps to insert the kernel version and revision
 # into control and changelog
@@ -80,12 +103,20 @@
 
 kdist_configure: kdist_clean
 	test -f debian/rules
+ifeq ($(DEB_HOST_GNU_SYSTEM), linux)
 	# make sure it builds only for 2.2.x
 	if [ "$(KPLEVEL).$(KVERSION)" != "2.2" ]; then \
 	echo -e "\n\n*** You were trying to build this package for kernel $(KVERSION).$(KPLEVEL).$(KSUBLEVEL), but";\
 	echo "*** the package is supported only for the 2.2 kernel series.";\
 	echo -e "*** For kernels 2.4.x the tun/tap driver comes with the main kernel.\n";\
 	exit 1; fi
+endif
+ifeq ($(DEB_HOST_GNU_SYSTEM), kfreebsd-gnu)
+	mkdir -p $(KSRC_BASE)
+	tar -C $(KSRC_BASE) -xjpf /usr/src/kfreebsd5/src.tar.bz2
+	cd $(KSRC_BASE) && cat /usr/src/kfreebsd5/patches/*.diff | patch -p0
+endif
+	cp /usr/share/misc/config.* ./
 	./configure --host=$(DEB_HOST_GNU_TYPE) --build=$(DEB_BUILD_GNU_TYPE) \
 	 --prefix=/usr --mandir=\$${prefix}/share/man --infodir=\$${prefix}/share/info --with-kernel=$(KSRC)
 	touch kdist_configure
@@ -96,14 +127,18 @@
 kdist_image: kdist_configure
 	# clean up temp area
 	-rm -rf debian/tmp/
-	# build the module in linux/tun.o
+	# build the module in $(kernel)/tun.o
+ifeq ($(DEB_HOST_GNU_SYSTEM), kfreebsd-gnu)
+	freebsd-make -C freebsd
+else
 	$(MAKE)
+endif
 	# setup temp area for module, docs and control info
 	install -d debian/tmp/DEBIAN debian/tmp/etc/modutils
 	install -d debian/tmp/usr/share/doc/tun-module-$(KVERS)
 	install -d debian/tmp/lib/modules/$(KVERS)/misc
 	# the module goes into misc...
-	install linux/tun.o debian/tmp/lib/modules/$(KVERS)/misc
+	install $(kernel)/tun.o debian/tmp/lib/modules/$(KVERS)/misc
 	# the config file into /etc/modutils
 	install -m 644 debian/tun.modutuils debian/tmp/etc/modutils/tun-$(KVERS)
 	# do the necessary magic wrt. packagename and version: