#!/usr/bin/make -f
# $Id$
## @file
# VirtualBox rules.
#

#
# Copyright (C) 2006-2023 Oracle and/or its affiliates.
#
# This file is part of VirtualBox base platform packages, as
# available from https://www.virtualbox.org.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, in version 3 of the
# License.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <https://www.gnu.org/licenses>.
#
# SPDX-License-Identifier: GPL-3.0-only
#

#export DH_VERBOSE=1

# possible overrides:
#  OSE=1            force VBOX_OSE
#  NOPARALLEL=1     compile with -j1
#  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
#                   maybe UserManual*.qch and UserManual*.qhc from $(vboxroot)/prebuild
#  NOMODS=1         don't build any module
#  NOQT=1           don't build the Qt GUI
#  NOSDL=1          don't build VBoxSDL
#  EFI=1            include the EFI binary from prebuild
#  HEADLESS=1       build the headless version
#  VNC=1            build VNC code
#  NOWEBSVC=1       don't build the webservice API
#  STAGEDISO=<path> don't build the VBoxAdditions, use the precompiled .iso
#  PKGDIR=<path>    where to store the final package(s)
#  svn_revision=xxx do not depend on subversion being available, but use this
#                   hard-coded revision number instead
#
# NODOCS will be set if UserManual*.pdf, UserManual*.qch and UserManual*.qhc are
# placed in $(vboxroot)/prebuild.
# STAGEDISO will be set if VBoxGuestAdditions.iso is placed there.
#
# Wine will not be required if STAGEDISO is set.

package  := virtualbox
verpkg   := virtualbox-ose
vboxroot := $(shell while ! test -r configure && ! test "$$PWD" = "/"; do cd ..; done; pwd)
debroot  := $(vboxroot)
instlin  := $(vboxroot)/src/VBox/Installer/linux
pkgdir   := $(if $(PKGDIR),$(PKGDIR),$(shell cd $(vboxroot)/..; pwd))
outdir   := $(if $(PATH_OUT_BASE),$(PATH_OUT_BASE),$(vboxroot)/out)
bldbase  := $(outdir)/debian
builddir := $(bldbase)/builddir
moddir   := $(bldbase)/modules
prefix   := $(bldbase)/$(verpkg)
arch     := $(shell dpkg --print-architecture)
verfile  := $(builddir)/version-generated.mk
ose      := $(if $(OSE),1,$(if $(wildcard $(vboxroot)/src/VBox/RDP/server),,1))

NOMODS   ?= $(ose)
NOQT     ?= $(HEADLESS)
NOSDL    ?= $(HEADLESS)
NOWEBSVC ?=
EFI      ?= $(if $(wildcard $(vboxroot)/prebuild/VBoxEFI32.fd $(vboxroot)/prebuild/VBoxEFI64.fd),1,)
NODOCS   ?= $(if $(wildcard $(addprefix $(vboxroot)/prebuild/,UserManual*.pdf UserManual*.qch UserManual*.qhc)),1,)
STAGEDISO ?= $(if $(wildcard $(vboxroot)/prebuild/VBoxGuestAdditions.iso),$(vboxroot)/prebuild,)
NOWINE   := $(if $(STAGEDISO),1,$(ose))
PYTHON   := $(firstword $(shell which python3) $(shell which python))

DEBPKGFILES := changelog compat control dirs postinst postrm preinst prerm rules templates

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

# Replicate debian package buildfiles to $(bldbase)
ifneq ($(shell pwd),$(outdir))
cmd := $(filter-out all Makefile,$(MAKECMDGOALS))
all:
	mkdir -p $(bldbase)
	ln -sf $(addprefix $(debroot)/debian/,$(DEBPKGFILES)) $(bldbase)
	+$(MAKE) -C $(outdir) vboxroot=$(vboxroot) -f debian/rules $(cmd)

Makefile:

$(cmd): all

.PHONY: all $(MAKECMDGOALS)

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

cfg_flags := $(if $(NOQT),--disable-qt,) \
    $(if $(NOSDL),--disable-vboxsdl,) \
    $(if $(ose),--ose,) $(if $(LINUX),--with-linux=$(LINUX),) \
    $(if $(HEADLESS),--build-headless,) \
    $(if $(DEBUG),--build-debug,) \
    $(if $(NOWINE),,--setup-wine) \
    $(if $(VNC),--enable-vnc,) \
    $(if $(PATH_OUT_BASE),--out-base-dir=$(PATH_OUT_BASE),) \
    --disable-extpack

bld_flags := LOCALCFG=$(debroot)/debian/LocalConfig.kmk \
    PATH_OUT=$(builddir) \
    VBOX_WITHOUT_EXTPACK_PUEL_PACKING=1 \
    VBOX_WITHOUT_EXTPACK_VNC_PACKING=1 \
    VBOX_WITH_VMSVGA3D=1 \
    VBOX_DO_STRIP= \
    VBOX_PATH_PACKAGE_DOCS="/usr/share/doc/$(verpkg)" \
    $(if $(svn_revision),VBOX_SVN_REV=$(svn_revision),) \
    $(if $(NODOCS),VBOX_WITH_DOCS=,) \
    $(if $(VERBOSE),--print-directory KBUILD_VERBOSE=2,--no-print-directory) \
    $(if $(STAGEDISO),VBOX_WITHOUT_ADDITIONS=1,)

configure: $(bldbase)/configure-stamp
$(bldbase)/configure-stamp:
	dh_testdir
	mkdir -p $(bldbase)
	cd $(vboxroot) && ./configure --odir=$(bldbase) $(cfg_flags)
	touch $@

build: $(bldbase)/configure-stamp $(bldbase)/build-stamp
$(bldbase)/build-stamp $(verfile): $(bldbase)/configure-stamp
	dh_testdir
	. $(bldbase)/env.sh && kmk -C $(vboxroot) $(bld_flags) $(if $(NOPARALLEL),-j1,) all
	# Files from prebuild go to (builddir)/bin to be used during the
	# packing stage, overriding what the build did/would produce.
	$(if $(NODOCS),cp $(addprefix $(vboxroot)/prebuild/,UserManual*.pdf UserManual*.qch UserManual*.qhc) $(builddir)/bin,)
	$(if $(EFI),cp $(vboxroot)/prebuild/VBoxEFI32.fd $(builddir)/bin,)
	$(if $(EFI),cp $(vboxroot)/prebuild/VBoxEFI64.fd $(builddir)/bin,)
	mkdir -p $(builddir)/bin/additions
	$(if $(STAGEDISO),cp $(STAGEDISO)/VBoxGuestAdditions.iso $(builddir)/bin/additions,)
	. $(bldbase)/env.sh && kmk -C $(vboxroot) $(bld_flags) \
	    VBOX_NO_LINUX_RUN_INSTALLER=1 \
	    VBOX_LNX_ADD_ARCHIVE.x86=$(builddir)/bin/additions/VBoxGuestAdditions-x86.tar.bz2 \
	    VBOX_LNX_ADD_ARCHIVE.amd64=$(builddir)/bin/additions/VBoxGuestAdditions-amd64.tar.bz2 \
	    VBOX_PATH_ADDITIONS.linux.x86=$(builddir)/bin/additions \
	    VBOX_PATH_ADDITIONS.linux.amd64=$(builddir)/bin/additions \
	    packing
	touch $(bldbase)/build-stamp

# Build modules for every kernel we find in /lib/modules/*
$(bldbase)/modules-stamp: $(bldbase)/build-stamp
	rm -rf $(moddir)
	mkdir $(moddir)
	for d in $(wildcard /lib/modules/*); do \
	    if [ -L $$d/build ]; then \
	        make -C $(builddir)/bin/src/vboxdrv KERN_VER=$$(basename $$d) clean && \
	        make -C $(builddir)/bin/src/vboxdrv KBUILD_VERBOSE= KERN_VER=$$(basename $$d) all; \
	        make -C $(builddir)/bin/src/vboxnetflt KERN_VER=$$(basename $$d) clean && \
	        (cp $(builddir)/bin/src/vboxdrv/Module.symvers $(builddir)/bin/src/vboxnetflt || true) && \
	        make -C $(builddir)/bin/src/vboxnetflt KBUILD_VERBOSE= KERN_VER=$$(basename $$d) KBUILD_EXTRA_SYMBOLS=$(builddir)/bin/src/vboxnetflt/Module.symvers all; \
	        make -C $(builddir)/bin/src/vboxnetadp KERN_VER=$$(basename $$d) clean && \
	        (cp $(builddir)/bin/src/vboxdrv/Module.symvers $(builddir)/bin/src/vboxnetadp || true) && \
	        make -C $(builddir)/bin/src/vboxnetadp KBUILD_VERBOSE= KERN_VER=$$(basename $$d) KBUILD_EXTRA_SYMBOLS=$(builddir)/bin/src/vboxnetadp/Module.symvers all; \
	        [ -d $(builddir)/bin/src/vboxpci ] && make -C $(builddir)/bin/src/vboxpci KERN_VER=$$(basename $$d) clean && \
	        (cp $(builddir)/bin/src/vboxdrv/Module.symvers $(builddir)/bin/src/vboxpci || true) && \
	        make -C $(builddir)/bin/src/vboxpci KBUILD_VERBOSE= KERN_VER=$$(basename $$d) KBUILD_EXTRA_SYMBOLS=$(builddir)/bin/src/vboxpci/Module.symvers all; \
	        true; \
	    fi; \
	done
	touch $@

clean:
	dh_testdir
	dh_testroot
	dh_clean
	rm -rf $(archdir)
	rm -rf $(builddir)
	rm -rf $(moddir)
	rm -rf $(bldbase)/wine.*
	rm -rf $(bldbase)/VirtualBox-*
	rm -f $(bldbase)/VirtualBox.tar $(bldbase)/VirtualBox.tar.bz2
	rm -f $(bldbase)/virtualbox-*.substvars $(bldbase)/virtualbox*.debhelper
	rm -f $(bldbase)/$(verpkg).mime $(bldbase)/$(verpkg).sharedmimeinfo
	rm -f $(bldbase)/modules-stamp $(bldbase)/build-stamp $(bldbase)/configure-stamp
	rm -f $(bldbase)/AutoConfig.kmk $(bldbase)/configure.log $(bldbase)/env.sh
	rm -f $(addprefix $(bldbase)/,$(DEBPKGFILES))
	if [ -d $(bldbase) ]; then rmdir $(bldbase); fi

 ifeq ($(VBOX_VERSION_MAJOR),)
binary: build $(verfile)
	+$(MAKE) -f debian/rules binary

 else
# Build architecture-dependent files here.
binary: build $(if $(NOMODS),,$(bldbase)/modules-stamp)
	dh_testdir
	dh_testroot
	dh_prep
	dh_installdirs
	tar -xC $(prefix)/opt -f $(builddir)/bin/VirtualBox.tar
	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 $(prefix)/usr/share/$(package)
	mv $(archdir)/UnattendedTemplates $(prefix)/usr/share/$(package)/
	install -d -g 0 -o 0 $(prefix)/usr/share/doc/$(verpkg)
	$(if $(NOQT),,mv $(archdir)/virtualbox.desktop \
	   $(prefix)/usr/share/applications/virtualbox.desktop)
	$(if $(NOQT),,mv $(archdir)/virtualboxvm.desktop \
	   $(prefix)/usr/share/applications/virtualboxvm.desktop)
	install -d -g 0 -o 0 $(prefix)/usr/share/pixmaps
	$(if $(NOQT),,install -d -g 0 -o 0 $(prefix)/usr/share/icons/hicolor)
	$(if $(NOQT),,cp $(archdir)/icons/128x128/virtualbox.png \
	   $(prefix)/usr/share/pixmaps/virtualbox.png)
	$(if $(NOQT),,mv $(archdir)/nls $(prefix)/usr/share/$(package))
	$(if $(NOQT),,cd $(archdir)/icons; for i in *; do \
	    for j in $$i/virtualbox.*; do \
	        if [ -f $$j ]; then \
	            if [ ! -d $(prefix)/usr/share/icons/hicolor/$$i/apps ]; then \
	                install -d -g 0 -o 0 $(prefix)/usr/share/icons/hicolor/$$i/apps; \
	            fi; \
	            mv $$j $(prefix)/usr/share/icons/hicolor/$$i/apps; \
	        fi; \
	    done; \
	    install -d -g 0 -o 0 $(prefix)/usr/share/icons/hicolor/$$i/mimetypes; \
	    mv $$i/* $(prefix)/usr/share/icons/hicolor/$$i/mimetypes || true; \
	    rmdir $$i; \
	done)
	$(if $(NOQT),,rmdir $(archdir)/icons)
	$(if $(NOQT),,mv $(archdir)/virtualbox.xml $(bldbase)/$(verpkg).sharedmimeinfo)
	install -d -g 0 -o 0 $(prefix)/usr/share/lintian/overrides
	sed \
	    -e 's|%VERPKG%|$(verpkg)|g' \
	    $(vboxroot)/debian/lintian-override.in > \
	   $(prefix)/usr/share/lintian/overrides/$(verpkg)
	mv $(archdir)/VBox.png \
	   $(prefix)/usr/share/pixmaps/VBox.png
	mv $(archdir)/src  $(prefix)/usr/share/$(package)
	rm $(archdir)/VBox.sh
	install -D -g 0 -o 0 -m 644 $(instlin)/VBox.sh $(prefix)/usr/bin/VBox
	mv $(archdir)/VBoxSysInfo.sh $(prefix)/usr/share/$(package)
	if [ -r $(archdir)/VBoxDTrace ]; then \
	    mv $(archdir)/VBoxDTrace $(prefix)/usr/bin; \
	fi
	mv $(archdir)/VBoxTunctl $(prefix)/usr/bin
	$(if $(NOMODS),,for d in $(moddir)/*; do \
	    if [ -f $$d/vboxdrv.ko -a -f $$d/vboxnetflt.ko -a -f $$d/vboxnetadp.ko ]; then \
	        install -D -g 0 -o 0 -m 0644 \
		    $$d/vboxdrv.ko $(prefix)/lib/modules/$$(basename $$d)/misc/vboxdrv.ko; \
	        install -D -g 0 -o 0 -m 0644 \
		    $$d/vboxnetflt.ko $(prefix)/lib/modules/$$(basename $$d)/misc/vboxnetflt.ko; \
	        install -D -g 0 -o 0 -m 0644 \
		    $$d/vboxnetadp.ko $(prefix)/lib/modules/$$(basename $$d)/misc/vboxnetadp.ko; \
	        if [ -f $$d/vboxpci.ko ]; then \
	            install -D -g 0 -o 0 -m 0644 \
		        $$d/vboxpci.ko $(prefix)/lib/modules/$$(basename $$d)/misc/vboxpci.ko; \
	        fi \
	    fi \
	    done)
	dh_installdocs $(addprefix $(archdir)/,UserManual*.pdf LICENSE)
	mv $(addprefix $(archdir)/,$(if $(HEADLESS),,rdesktop-vrdp.tar.gz) additions/VBoxGuestAdditions.iso) $(prefix)/usr/share/$(package)
	$(if $(HEADLESS),,mv $(archdir)/rdesktop-vrdp $(prefix)/usr/bin)
	$(if $(HEADLESS),,mv $(archdir)/rdesktop-vrdp-keymaps $(prefix)/usr/share/$(package))
	mv $(archdir) $(prefix)/usr/lib/$(package)
	if [ -f $(prefix)/usr/lib/$(package)/libQt5CoreVBox.so.5 ]; then \
	    $(vboxroot)/tools/linux.$(chrarch)/bin/chrpath \
	        --keepgoing --replace /usr/lib/$(package) \
	        $(prefix)/usr/lib/$(package)/*.so.5 \
	        $(prefix)/usr/lib/$(package)/plugins/platforms/*.so; \
	        $(prefix)/usr/lib/$(package)/plugins/platformthemes/*.so; \
	        $(prefix)/usr/lib/$(package)/plugins/sqldrivers/*.so; \
	        $(prefix)/usr/lib/$(package)/plugins/styles/*.so; \
	        $(prefix)/usr/lib/$(package)/plugins/xcbglintegrations/*.so; \
	    echo "[Paths]" > $(prefix)/usr/lib/$(package)/qt.conf; \
	    echo "Plugins = /usr/lib/$(package)/plugins" >> $(prefix)/usr/lib/$(package)/qt.conf; \
	fi
	export VBOX_INSTALL_PATH=/usr/lib/$(package) && \
	    cd $(builddir)/bin/sdk/installer && \
	    $(PYTHON) ./vboxapisetup.py install --root $(prefix)
	rm -rf $(prefix)/usr/lib/$(package)/sdk/installer
	ln -s ../VBoxVMM.so $(prefix)/usr/lib/$(package)/components/VBoxVMM.so
	rmdir $(prefix)/opt
	dh_link \
	    $(if $(NOQT),,usr/bin/VBox          usr/bin/VirtualBox) \
	    $(if $(NOQT),,usr/bin/VBox          usr/bin/virtualbox) \
	    $(if $(NOQT),,usr/bin/VBox          usr/bin/VirtualBoxVM) \
	    $(if $(NOQT),,usr/bin/VBox          usr/bin/virtualboxvm) \
	    usr/bin/VBox                        usr/bin/VBoxManage \
	    usr/bin/VBox                        usr/bin/vboxmanage \
	    $(if $(NOSDL),,usr/bin/VBox         usr/bin/VBoxSDL) \
	    $(if $(NOSDL),,usr/bin/VBox         usr/bin/vboxsdl) \
	    usr/bin/VBox                        usr/bin/VBoxHeadless \
	    usr/bin/VBox                        usr/bin/vboxheadless \
	    usr/bin/VBox                        usr/bin/VBoxBugReport \
	    usr/bin/VBox                        usr/bin/vboxbugreport \
	    usr/bin/VBox                        usr/bin/VBoxBalloonCtrl \
	    usr/bin/VBox                        usr/bin/vboxballoonctrl \
	    usr/bin/VBox                        usr/bin/VBoxAutostart \
	    usr/bin/VBox                        usr/bin/vboxautostart \
	    $(if $(NOWEBSVC),,usr/bin/VBox      usr/bin/vboxwebsrv) \
	    $(if $(NOVBOXIMG),,usr/lib/virtualbox/vbox-img usr/bin/vbox-img) \
	    $(if $(NOVBOXIMGMOUNT),,usr/lib/virtualbox/vboximg-mount usr/bin/vboximg-mount) \
	    usr/share/virtualbox/src/vboxhost   usr/src/vboxhost-$(ver)
	$(if $(NOMODS),,dh_installmodules)
	dh_installdebconf
	dh_installchangelogs
	dh_installmenu
	dh_installmime
	dh_link
  ifeq ($(DEBUG),)
	dh_strip --keep-debug \
	    $(addprefix --exclude=lib,$(addsuffix VBox.so.5,\
	      Qt5Core Qt5Gui Qt5Widgets Qt5PrintSupport Qt5OpenGL Qt5DBus Qt5XcbQpa Qt5X11Extras))
  endif
	mkdir -p $(bldbase)/$(verpkg)-dbg/usr/lib/$(package)
	mv $(prefix)/usr/lib/$(package)/*.debug $(bldbase)/$(verpkg)-dbg/usr/lib/$(package)
  ifeq ($(DEBUG),)
	mv $(prefix)/usr/lib/debug $(bldbase)/$(verpkg)-dbg/usr/lib
  endif
	$(firstword $(shell which dh_python3) $(shell which dh_python2))
	dh_compress -X.pdf -X.qch -X.qhc -X LICENSE -X.py
	dh_fixperms
	dh_makeshlibs
	dh_installdeb
	dh_perl
	# For some reason, the Qt libraries couldn't be found on newer releases (e.g. Ubuntu hardy).
	# Python is deliberately not listed as a dependency (see also comment in the "control" file.
	# It is expected that dh_gencontrol shows a warning "substitution variable ${python:Versions}
	# used, but is not defined" because of this.
	LD_LIBRARY_PATH=$(prefix)/usr/lib/virtualbox dh_shlibdeps --exclude=VBoxPython
	dh_gencontrol -- \
	  -Valsa=$(if $(HEADLESS),,libasound2) \
	  -Vpulse=$(if $(HEADLESS),,libpulse0) \
	  -Vsdlttf=$(if $(HEADLESS),,libsdl-ttf2.0-0)
	dh_md5sums
	dh_builddeb --destdir $(pkgdir) -- -Zxz
 endif

.PHONY: binary configure build clean
endif