#!/usr/bin/make -f
# Sample debian/rules that uses debhelper.
# GNU copyright 1997 to 1999 by Joey Hess.

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

# This is the debhelper compatability version to use.
export DH_COMPAT=3

config_target:=oldconfig
kernel_version:=2.4.26
kernel_dir:=kernel-source-$(kernel_version)
debian:=$(CURDIR)/debian
tmp:=$(debian)/user-mode-linux
tmpmodules:=$(debian)/uml-modules

ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
KBUILDVARS := CFLAGS_KERNEL=-O1
endif

unpack: unpack-stamp
unpack-stamp:
	tar -x --bzip2 -f /usr/src/kernel-source-$(kernel_version).tar.bz2
	touch $@

patch: patch-stamp
patch-stamp: unpack-stamp
	cd $(kernel_dir) && /usr/src/kernel-patches/all/apply/uml
	patch -p0 -d $(kernel_dir) < $(debian)/uml_net.diff
	patch -p0 -d $(kernel_dir) < $(debian)/x-terminal-emulator.diff
	patch -p1 -d $(kernel_dir) < $(debian)/uml_switch.diff
	patch -p1 -d $(kernel_dir) < $(debian)/crypto.diff
	patch -p1 -d $(kernel_dir) < $(debian)/tkill.diff
	patch -p1 -d $(kernel_dir) < $(debian)/mara-12-hostfs.diff
	patch -p1 -d $(kernel_dir) < $(debian)/mara-13-hostfs_access.diff
	patch -p1 -d $(kernel_dir) < $(debian)/hostfs-perms.diff
	touch $@

$(kernel_dir)/.config: config
	cp $^ $@

configure: configure-stamp
configure-stamp: patch-stamp $(kernel_dir)/.config
	dh_testdir

	$(MAKE) -C $(kernel_dir) $(config_target) ARCH=um

	touch $@

build: build-stamp
build-stamp: configure-stamp
	dh_testdir

	$(MAKE) -C $(kernel_dir) $(KBUILDVARS) linux modules ARCH=um
	docbook-to-man linux.sgml > linux.1
	zcat /usr/share/kernel-patch-uml/changelog.gz > changelog

	touch $@

clean:
	dh_testdir
	dh_testroot
	rm -f unpack-stamp patch-stamp build-stamp configure-stamp

	rm -rf $(kernel_dir) linux.1 $(tmpmodules) changelog

	dh_clean

install: build
	dh_testdir
	dh_testroot
	dh_clean -k
	dh_installdirs usr/bin usr/lib/uml \
		usr/share/doc/user-mode-linux usr/share/lintian/overrides

	install $(kernel_dir)/linux $(tmp)/usr/bin
	$(MAKE) -C $(kernel_dir) modules_install ARCH=um \
		INSTALL_MOD_PATH=$(tmpmodules)
ifeq (,$(findstring nostrip,$(DEB_BUILD_OPTIONS)))
	find $(tmpmodules) -name '*.o' \
		| xargs --no-run-if-empty strip --strip-debug
endif
	-rm $(tmpmodules)/lib/modules/*/build
	mv $(tmpmodules)/lib/modules \
		$(tmp)/usr/lib/uml/modules
	rm -rf $(tmpmodules)

	install -m 644 $(kernel_dir)/.config \
		$(tmp)/usr/share/doc/user-mode-linux/config

	install -m 644 debian/lintian.overrides \
		$(tmp)/usr/share/lintian/overrides/user-mode-linux


# Build architecture-independent files here.
binary-indep: build install
# We have nothing to do by default.

# Build architecture-dependent files here.
binary-arch: build install
	dh_testdir
	dh_testroot
#	dh_installdebconf	
	dh_installdocs
	dh_installexamples
	dh_installmenu
#	dh_installlogrotate
#	dh_installemacsen
#	dh_installpam
#	dh_installmime
#	dh_installinit
	dh_installcron
	dh_installman linux.1
	dh_installinfo
#	dh_undocumented
	dh_installchangelogs changelog
	dh_link
	dh_strip
	dh_compress
	dh_fixperms
#	dh_makeshlibs
	dh_installdeb
#	dh_perl
	dh_shlibdeps
	dh_gencontrol
	dh_md5sums
	dh_builddeb

binary: binary-indep binary-arch
.PHONY: build clean binary-indep binary-arch binary install configure
