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# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-video/nvidia-kernel/nvidia-kernel-1.0.6106.ebuild,v 1.4 2004/07/13 16:04:23 lv Exp $

inherit eutils kmod

X86_PKG_V="pkg1"
AMD64_PKG_V="pkg2"
NV_V="${PV/1.0./1.0-}"
X86_NV_PACKAGE="NVIDIA-Linux-x86-${NV_V}"
AMD64_NV_PACKAGE="NVIDIA-Linux-x86_64-${NV_V}"

DESCRIPTION="Linux kernel module for then NVIDIA X11 driver"
HOMEPAGE="http://www.nvidia.com/"
SRC_URI="x86? (ftp://download.nvidia.com/XFree86/Linux-x86/${NV_V}/${X86_NV_PACKAGE}-${X86_PKG_V}.run)
	amd64? (http://download.nvidia.com/XFree86/Linux-x86_64/${NV_V}/${AMD64_NV_PACKAGE}-${AMD64_PKG_V}.run)"

if use x86; then
	PKG_V="${X86_PKG_V}"
	NV_PACKAGE="${X86_NV_PACKAGE}"
elif use amd64; then
	PKG_V="${AMD64_PKG_V}"
	NV_PACKAGE="${AMD64_NV_PACKAGE}"
fi

S="${WORKDIR}/${NV_PACKAGE}-${PKG_V}/usr/src/nv"

# The slot needs to be set to $KV to prevent unmerges of modules for other kernels.
LICENSE="NVIDIA"
SLOT="${KV}"
KEYWORDS="-* ~x86 amd64"
RESTRICT="nostrip"
IUSE=""

DEPEND="virtual/linux-sources"
export _POSIX2_VERSION="199209"

KMOD_SOURCES="none"

mtrr_check() {
	if [ ! -f /proc/mtrr ]
	then
		eerror "This version needs MTRR support for most chipsets!"
		eerror "Please enable MTRR support in your kernel config, found at:"
		eerror
		eerror "  Processor type and features -> [*] MTRR (Memory Type Range Register) support"
		eerror
		eerror "and recompile your kernel ..."
		die "MTRR support not detected!"
	fi
}

pkg_setup() {
	mtrr_check
}

src_unpack() {
	# Let the kmod eclass set the variables for us
	kmod_src_unpack

	cd ${WORKDIR}
	bash ${DISTDIR}/${NV_PACKAGE}-${PKG_V}.run --extract-only

	# Add patches below, with a breif description.
	# 1) SYSFS supported by nvidia
	# 2) minion.de patches not released yet

	cd ${S}

	# Add koutput compile time support... this is hackish
	epatch ${FILESDIR}/${PV}/NVIDIA_kernel-${NV_V}-koutput-support.patch

	# if you set this then it's your own fault when stuff breaks :)
	[ ! -z "${USE_CRAZY_OPTS}" ] && sed -i "s:-O:${CFLAGS}:" Makefile.*
}

src_compile() {
	# IGNORE_CC_MISMATCH disables a sanity check that's needed when gcc has been
	# updated but the running kernel is still compiled with an older gcc.  This is
	# needed for chrooted building, where the sanity check detects the gcc of the
	# kernel outside the chroot rather than within.
	if is_kernel 2 5 || is_kernel 2 6
	then
		unset ARCH
	fi
	make IGNORE_CC_MISMATCH="yes" SYSSRC="${KERNEL_DIR}" KVOUT="${KV_OUTPUT}"  \
		clean module V=1 || die "Failed to build module"
}

src_install() {
	# The driver goes into the standard modules location
	insinto /lib/modules/${KV}/video

	# Insert the module 
	doins nvidia.${KV_OBJ}

	# Add the aliases
	insinto /etc/modules.d
	newins ${FILESDIR}/nvidia-1.1 nvidia

	# Docs
	dodoc ${S}/README

	# The device creation script
	into /
	newsbin ${S}/makedevices.sh NVmakedevices.sh
}

pkg_postinst() {
	if [ "${ROOT}" = "/" ]
	then
		# Update module dependency
		[ -x /usr/sbin/update-modules ] && /usr/sbin/update-modules
		if [ ! -e /dev/.devfsd ] && [ ! -e /dev/.udev ] && [ -x /sbin/NVmakedevices.sh ]
		then
			/sbin/NVmakedevices.sh >/dev/null 2>&1
		fi
	fi

	echo
	einfo "If you need to load the module automatically on boot up you need"
	einfo "to add \"nvidia\" to /etc/modules.autoload.d/kernel-${KV_MAJOR}.${KV_MINOR}"
	echo
	einfo "Please note that the driver name is \"nvidia\", not \"NVdriver\""
	echo
}