#!/usr/bin/make -f
#export DH_VERBOSE=1
export DH_COMPAT=4

# possible overrides:
#  OSE=1            force VBOX_OSE
#  NOPARALLEL=1     compile with -j1 (-j2 is default)
#  LINUX=<dir>      compile vboxdrv against Linux found in <dir>
#  VERBOSE=1        verbose build
#  DEBUG=1          debug build
#  NOSUBVER=1       disable generation of the sub-version field (which is
#                   either the subversion rev [if available] or the build date)
#  NODOCS=1         don't build docs, use precompiled UserManual.pdf and
#                   VirtualBox.chm from $HOME
#  NOMODS=1         don't build any module
#  HEADLESS=1       build the headless version
#  STAGEDISO=<path> don't build the VBoxAdditions, use the precompiled .iso

package  := virtualbox-ose
current  := $(shell pwd)
vboxroot := $(shell pwd)
builddir := $(current)/debian/builddir
moddir   := $(current)/debian/modules
prefix   := $(current)/debian/$(package)
arch     := $(shell dpkg --print-architecture)
verfile  := $(builddir)/version-generated.mk
ose      := $(if $(OSE),1,$(if $(wildcard $(vboxroot)/src/VBox/Devices/USB),,1))
NOMODS   ?= $(ose)

ifneq ($(wildcard $(verfile)),)
include $(verfile)
ver      := $(VBOX_VERSION_STRING)
archdir   := $(prefix)/opt/VirtualBox-$(ver)
endif

ifneq ($(STAGEDISO),)
ifeq ($(wildcard $(STAGEDISO)/VBoxGuestAdditions.iso),)
$(error STAGEDISO='$(STAGEDISO)/VBoxGuestAdditions.iso' not found)
endif
endif

# Hack: Xandros is actually Debian/sarge ... :(
ifneq ($(wildcard /etc/xandros-desktop-version),)
debrel   := _xandros4.1
else
ifneq ($(wildcard /etc/univention),)
debrel   := _ucs1.3
else
debrel   := $(if $(shell which lsb_release),_$(shell lsb_release -si)_$(shell lsb_release -sc),)
endif
endif

# Ubuntu dapper: gcc-4.0 does not work with recompiler, use gcc-3.4 instead
configure: debian/configure-stamp
debian/configure-stamp:
	dh_testdir
	cd $(vboxroot) && ./configure --odir=$(current)/debian $(if \
	    $(ose),--ose,) $(if $(LINUX),--with-linux=$(LINUX),) $(if \
	    $(filter _Ubuntu_dapper,$(debrel)),--with-gcc=gcc-3.4 --with-g++=g++-3.4,) $(if \
	    $(filter _xandros4.1,$(debrel)),--build-xalan,) $(if \
	    $(filter _xandros4.1 _ucs1.3,$(debrel)),--disable-sdl-ttf,) $(if \
	    $(HEADLESS),--build-headless,) $(if $(DEBUG),--build-debug,)
	touch debian/configure-stamp

build: debian/configure-stamp debian/build-stamp
debian/build-stamp $(verfile):
	dh_testdir
	. debian/env.sh && kmk -C $(vboxroot) $(if \
	    $(VERBOSE),--print-directory,--no-print-directory) $(if \
	    $(NOPARALLEL),-j1,-j2) $(if \
	    $(VERBOSE),KBUILD_VERBOSE=2,) $(if \
	    $(NODOCS),VBOX_WITH_DOCS=,)\
	    $(if $(STAGEDISO),\
	      VBOX_WITH_LINUX_ADDITIONS= VBOX_WITH_WIN32_ADDITIONS=,) \
	    AUTOCFG=$(current)/debian/AutoConfig.kmk \
	    LOCALCFG=$(current)/debian/LocalConfig.kmk \
	    PATH_OUT=$(current)/debian/builddir \
	    VBOX_DO_STRIP= VBOX_DO_STRIP_MODULES= \
	    all
	$(if $(NODOCS),cp $(vboxroot)/prebuild/UserManual.pdf $(builddir)/bin,)
	$(if $(NODOCS),cp $(vboxroot)/prebuild/VirtualBox.chm $(builddir)/bin,)
	mkdir -p $(builddir)/bin/additions
	$(if $(STAGEDISO),cp $(STAGEDISO)/VBoxGuestAdditions.iso $(builddir)/bin/additions,)
	. debian/env.sh && kmk -C $(vboxroot) $(if \
	    $(VERBOSE),--print-directory,--no-print-directory) $(if \
	    $(VERBOSE),KBUILD_VERBOSE=2,) $(if \
	    $(STAGEDISO),\
	      VBOX_WITH_LINUX_ADDITIONS= VBOX_WITH_WIN32_ADDITIONS=,) \
	    AUTOCFG=$(current)/debian/AutoConfig.kmk \
	    LOCALCFG=$(current)/debian/LocalConfig.kmk \
	    PATH_OUT=$(current)/debian/builddir \
	    VBOX_DO_STRIP= VBOX_DO_STRIP_MODULES= \
	    packing
	touch debian/build-stamp

# Build modules for every kernel we find in /lib/modules/*
modules: debian/build-stamp debian/modules-stamp
debian/modules-stamp: debian/build-stamp
	rm -rf $(moddir)
	mkdir $(moddir)
	make -C $(builddir)/bin/src clean
	for d in $(wildcard /lib/modules/*); do \
	    make -C $(builddir)/bin/src KERN_DIR=$$d/build MODULE_DIR=$$d clean all && \
	    install -D -m 0644 -g 0 -o 0 \
	        $(builddir)/bin/src/vboxdrv.ko $(moddir)/$$(basename $$d)/vboxdrv.ko; \
	    done
	make -C $(builddir)/bin/src clean
	touch debian/modules-stamp

clean:
	dh_testdir
	dh_testroot
	rm -f debian/$(package).init debian/vboxdrv.init debian/vboxnet.init
	rm -f debian/AutoConfig.kmk debian/configure.log debian/env.sh
	rm -f debian/modules-stamp debian/build-stamp debian/configure-stamp
	rm -rf $(builddir) $(moddir)
	dh_clean

ifeq ($(VBOX_VERSION_MAJOR),)
binary binary-arch binary-indep: build $(verfile)
	$(MAKE) -f debian/rules binary
else
# Build architecture-dependent files here.
binary binary-arch binary-indep: build $(if $(NOMODS),,modules)
	dh_testdir
	dh_testroot
	dh_clean -k
	dh_installdirs
	tar -xjC $(prefix)/opt -f $(builddir)/bin/VirtualBox.tar.bz2
	install -d -g 0 -o 0 $(prefix)/usr/share/applications
	install -d -g 0 -o 0 $(prefix)/usr/lib
	install -d -g 0 -o 0 $(prefix)/usr/bin
	install -d -g 0 -o 0 $(prefix)/usr/lib/$(package)
	install -d -g 0 -o 0 $(prefix)/usr/share/$(package)
	install -d -g 0 -o 0 $(prefix)/usr/share/doc/$(package)
	$(if $(HEADLESS),,mv $(archdir)/VirtualBox.desktop \
	   $(prefix)/usr/share/applications/VirtualBox.desktop)
	install -d -g 0 -o 0 $(prefix)/usr/share/pixmaps
	install -D -g 0 -o 0 -m 644 debian/lintian-override \
	   $(prefix)/usr/share/lintian/overrides/$(package)
	mv $(archdir)/VBox.png \
	   $(prefix)/usr/share/pixmaps/VBox.png
	mv $(archdir)/*.gc $(prefix)/usr/lib/$(package)
	mv $(archdir)/*.r0 $(prefix)/usr/lib/$(package)
	$(if $(filter amd64,$(arch)),\
	    mv $(archdir)/VBoxREM2.rel $(prefix)/usr/lib/$(package),)
	mv $(archdir)/VBoxXPCOMIPCD $(prefix)/usr/lib/$(package)
	mv $(archdir)/components $(prefix)/usr/lib/$(package)/components
	mv $(archdir)/*.so $(prefix)/usr/lib
	mv $(archdir)/sdk  $(prefix)/usr/share/$(package)
	$(if $(HEADLESS),,mv $(archdir)/nls $(prefix)/usr/share/$(package))
	mv $(archdir)/src  $(prefix)/usr/share/$(package)
	rm $(archdir)/VBox.sh
	install -D -g 0 -o 0 -m 644 debian/VBox.sh $(prefix)/usr/bin/VBox
	mv $(archdir)/VBoxAddIF.sh $(prefix)/usr/bin/VBoxTAP
	for i in VBoxManage VBoxSVC tstVMM $(if $(HEADLESS),,VBoxSDL) \
	    $(if $(HEADLESS),,VirtualBox) $(if $(ose),,VBoxVRDP); do \
	    mv $(archdir)/$$i $(prefix)/usr/lib/$(package); done
	mv $(archdir)/VBoxTunctl $(prefix)/usr/bin
	$(if $(NOMODS),,for d in $(moddir)/*; do \
	    install -D -g 0 -o 0 -m 0644 \
	        $$d/vboxdrv.ko $(prefix)/lib/modules/$$(basename $$d)/misc/vboxdrv.ko; done)
ifeq ($(ose),)
	$(if $(HEADLESS),,mv $(archdir)/kchmviewer $(prefix)/usr/lib/$(package))
	dh_installdocs $(addprefix $(archdir)/,\
	    UserManual.pdf VirtualBox.chm LICENSE)
	rm $(addprefix $(archdir)/,UserManual.pdf VirtualBox.chm LICENSE)
	for i in rdesktop-vrdp.tar.gz additions/VBoxGuestAdditions.iso; do \
	    mv $(archdir)/$$i $(prefix)/usr/share/$(package); done
	rmdir $(archdir)/additions
else
	dh_installdocs
endif
	rmdir $(archdir)
	rmdir $(prefix)/opt
	dh_link \
	    $(if $(HEADLESS),,usr/bin/VBox usr/bin/VirtualBox) \
	    usr/bin/VBox usr/bin/VBoxManage \
	    $(if $(HEADLESS),,usr/bin/VBox usr/bin/VBoxSDL) \
	    $(if $(ose),,usr/bin/VBox usr/bin/VBoxVRDP) \
	    usr/bin/VBoxTAP usr/bin/VBoxAddIF \
	    usr/bin/VBoxTAP usr/bin/VBoxDeleteIF
	dh_desktop
	dh_installmenu
	$(if $(NOMODS),,dh_installmodules)
	sed -e 's|%NOLSB%|$(if $(filter _Debian_sarge ucs1.3,$(debrel)),yes,)|g;' \
	    debian/vboxdrv.init.tmpl > debian/vboxdrv.init
	sed -e 's|%NOLSB%|$(if $(filter _Debian_sarge,$(debrel)),yes,)|g;' \
	    debian/vboxnet.init.tmpl > debian/vboxnet.init
	dh_installinit --name=vboxdrv
	dh_installinit --name=vboxnet
	if [ "$(debrel)" = "_Ubuntu_dapper" -o "$(debrel)" = "_Debian_sarge" ]; then \
	    cat debian/postrm.dapper > debian/postrm; fi
	dh_installdebconf
	dh_installchangelogs
	dh_link
	dh_strip --keep-debug
	# manually strip our R0/GC modules, dh_strip cannot handle them
	for f in \
	  $(prefix)/usr/lib/$(package)/*.r0 $(prefix)/usr/lib/$(package)/*.gc; do \
	    objcopy --only-keep-debug \
	      $$f \
	      $(prefix)/usr/lib/debug/usr/lib/$(package)/`basename $$f`; \
	    strip -S --remove-section=.comment $$f; \
	    objcopy --add-gnu-debuglink=$(prefix)/usr/lib/debug/usr/lib/$(package)/`basename $$f` $$f; \
	done
	mkdir -p $(current)/debian/$(package)-dbg/usr/lib
	mv $(current)/debian/$(package)/usr/lib/debug $(current)/debian/$(package)-dbg/usr/lib
	dh_compress -X.pdf -X.chm -X LICENSE
	dh_fixperms
	dh_makeshlibs
	dh_installdeb
	dh_perl
	dh_shlibdeps
	dh_gencontrol -- \
	  -Valsa=$(if $(HEADLESS),,libasound2) \
	  -Vsdlttf=$(if $(HEADLESS),,libsdl-ttf2.0-0)
	dh_md5sums
	dh_builddeb
endif

.PHONY: binary modules binary-arch binary-indep clean checkroot