# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-emulation/virtualbox-guest-additions/virtualbox-guest-additions-3.2.4.ebuild,v 1.4 2010/07/15 12:30:43 lxnay Exp $

inherit eutils linux-mod

MY_P=VirtualBox-${PV}-OSE
DESCRIPTION="VirtualBox kernel modules and user-space tools for Linux guests"
HOMEPAGE="http://www.virtualbox.org/"
SRC_URI="http://download.virtualbox.org/virtualbox/${PV}/${MY_P}.tar.bz2"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="X"

RDEPEND="X? ( ~x11-drivers/xf86-video-virtualbox-${PV}
			 ~x11-drivers/xf86-input-virtualbox-${PV}
			 x11-apps/xrandr
			 x11-apps/xrefresh
			 x11-libs/libXmu
			 x11-libs/libX11
			 x11-libs/libXt
			 x11-libs/libXext
			 x11-libs/libXau
			 x11-libs/libXdmcp
			 x11-libs/libSM
			 x11-libs/libICE )"
DEPEND="${RDEPEND}
		>=dev-util/kbuild-0.1.5-r1
		>=dev-lang/yasm-0.6.2
		sys-devel/bin86
		sys-devel/dev86
		sys-power/iasl
		X? ( x11-proto/renderproto )
		!X? ( x11-proto/xproto )"

BUILD_TARGETS="all"
BUILD_TARGET_ARCH="${ARCH}"
MODULE_NAMES="vboxguest(misc:${WORKDIR}/vboxguest:${WORKDIR}/vboxguest)
			vboxsf(misc:${WORKDIR}/vboxsf:${WORKDIR}/vboxsf)"

S=${WORKDIR}/${MY_P/-OSE/_OSE}

pkg_setup() {
		linux-mod_pkg_setup
		BUILD_PARAMS="KERN_DIR=${KV_DIR} KERNOUT=${KV_OUT_DIR}"
		enewgroup vboxguest
		enewuser vboxguest -1 /bin/sh /var/run/vboxguest vboxguest
}

src_unpack() {
		unpack ${A}

		# Create and unpack a tarball with the sources of the Linux guest
		# kernel modules, to include all the needed files
		"${MY_P/-OSE/_OSE}"/src/VBox/Additions/linux/export_modules "${WORKDIR}/vbox-kmod.tar.gz"
		unpack ./vbox-kmod.tar.gz

		# PaX fixes (see bug #298988)
		epatch "${FILESDIR}"/vboxguest-log-use-c99.patch

		# Remove shipped binaries (kBuild,yasm), see bug #232775
		cd "${S}"
		rm -rf kBuild/bin tools

		# Disable things unused or splitted into separate ebuilds
		cp "${FILESDIR}/${PN}-3-localconfig" LocalConfig.kmk

		# stupid new header references...
		for vboxheader in {product,revision}-generated.h ; do
			for mdir in vbox{guest,sf} ; do
				ln -sf "${S}"/out/linux.${ARCH}/release/${vboxheader} \
					"${WORKDIR}/${mdir}/${vboxheader}"
			done
		done
}

src_compile() {
		# build the user-space tools, warnings are harmless
		./configure --nofatal \
		--disable-xpcom \
		--disable-sdl-ttf \
		--disable-pulse \
		--disable-alsa \
		--build-headless || die "configure failed"
		source ./env.sh

		for each in	/src/VBox/{Runtime,Additions/common} \
		/src/VBox/Additions/linux/{sharedfolders,daemon} ; do
				cd "${S}"${each}
				MAKE="kmk" emake TOOL_YASM_AS=yasm \
				KBUILD_PATH="${S}/kBuild" \
				|| die "kmk VBoxControl failed"
		done

		if use X; then
				cd "${S}"/src/VBox/Additions/x11/VBoxClient
				MAKE="kmk" emake TOOL_YASM_AS=yasm \
				KBUILD_PATH="${S}/kBuild" \
				|| die "kmk VBoxClient failed"
		fi

		# Now creating the kernel modules. We must do this _after_
		# we compiled the user-space tools as we need two of the
		# automatically generated header files. (>=3.2.0)
		linux-mod_src_compile
}

src_install() {
		linux-mod_src_install

		cd "${S}"/out/linux.${ARCH}/release/bin/additions

		insinto /sbin
		newins mount.vboxsf mount.vboxsf
		fperms 4755 /sbin/mount.vboxsf

		newinitd "${FILESDIR}"/${PN}-7.initd ${PN}

		insinto /usr/sbin/
		newins VBoxService vboxguest-service
		fperms 0755 /usr/sbin/vboxguest-service

		insinto /usr/bin
		doins VBoxControl
		fperms 0755 /usr/bin/VBoxControl

		# VBoxClient user service and xrandr wrapper
		if use X; then
			doins VBoxClient
			fperms 0755 /usr/bin/VBoxClient

			cd "${S}"/src/VBox/Additions/x11/Installer
			newins 98vboxadd-xclient VBoxClient-all
			fperms 0755 /usr/bin/VBoxClient-all
		fi

		# udev rule for vboxdrv
		dodir /etc/udev/rules.d
		echo 'KERNEL=="vboxguest", OWNER="vboxguest", GROUP="vboxguest", MODE="0660"' \
		>> "${D}/etc/udev/rules.d/60-virtualbox-guest-additions.rules"
		echo 'KERNEL=="vboxuser", OWNER="vboxguest", GROUP="vboxguest", MODE="0660"' \
		>> "${D}/etc/udev/rules.d/60-virtualbox-guest-additions.rules"

		# VBoxClient autostart file
		insinto /etc/xdg/autostart
		doins "${FILESDIR}"/vboxclient.desktop

		# sample xorg.conf
		insinto /usr/share/doc/${PF}
		doins "${FILESDIR}"/xorg.conf.vbox
}

pkg_postinst() {
		linux-mod_pkg_postinst
		if ! useq X ; then
			elog "use flag X is off, enable it to install the"
			elog "X Window System input and video drivers"
		fi
		elog "Please add:"
		elog "/etc/init.d/${PN}"
		elog "to the default runlevel in order to start"
		elog "needed services."
		elog "To use the VirtualBox X drivers, use the following"
		elog "file as your /etc/X11/xorg.conf:"
		elog "    /usr/share/doc/${PF}/xorg.conf.xorg"
		elog ""
		elog "Also make sure you use the Mesa library for OpenGL:"
		elog "    eselect opengl set xorg-x11"
		elog ""
		elog "An autostart .desktop file has been installed to start"
		elog "VBoxClient in desktop sessions."
		elog ""
		elog "You can mount shared folders with:"
		elog "    mount -t vboxsf <shared_folder_name> <mount_point>"
		elog ""
		elog "Warning:"
		elog "this ebuild is only needed if you are running gentoo"
		elog "inside a VirtualBox Virtual Machine, you don't need"
		elog "it to run VirtualBox itself."
		elog ""
}