nvidia-kernel-1.0.5336-r3.ebuild #3 (using addwrite)

nvidia-kernel-1.0.5336-r3.ebuild.ready (text/plain), 4.60 KB, created by Daniel Drake (RETIRED) on 2004-05-03 11:54:56 UTC

# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /home/cvsroot/gentoo-x86/media-video/nvidia-kernel/nvidia-kernel-1.0.5336-r2.ebuild,v 1.2 2004/04/13 17:07:54 cyfred Exp $

inherit eutils rpm

PKG_V="pkg1"
NV_V="${PV/1.0./1.0-}"
NV_PACKAGE="NVIDIA-Linux-x86-${NV_V}"
S="${WORKDIR}/${NV_PACKAGE}-${PKG_V}/usr/src/nv"
DESCRIPTION="Linux kernel module for the NVIDIA's X driver"
HOMEPAGE="http://www.nvidia.com/"
SRC_URI="ftp://download.nvidia.com/XFree86/Linux-x86/${NV_V}/${NV_PACKAGE}-${PKG_V}.run"

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

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


pkg_setup() {
	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

	check_version_h
}

check_version_h() {
	if [ ! -f "${ROOT}/usr/src/linux/include/linux/version.h" ]
	then
		eerror "Please verify that your /usr/src/linux symlink is pointing"
		eerror "to your current kernel sources, and that you did run:"
		eerror
		eerror "  # make dep"
		die "/usr/src/linux symlink not setup!"
	fi
}

get_KV_info() {
	check_version_h

	# Get the kernel version of sources in /usr/src/linux ...
	export KV_full="$(awk '/UTS_RELEASE/ { gsub("\"", "", $3); print $3 }' \
		"${ROOT}/usr/src/linux/include/linux/version.h")"
	export KV_major="$(echo "${KV_full}" | cut -d. -f1)"
	export KV_minor="$(echo "${KV_full}" | cut -d. -f2)"
	export KV_micro="$(echo "${KV_full}" | cut -d. -f3 | sed -e 's:[^0-9].*::')"
}

is_kernel() {
	[ -z "$1" -o -z "$2" ] && return 1

	get_KV_info

	if [ "${KV_major}" -eq "$1" -a "${KV_minor}" -eq "$2" ]
	then
		return 0
	else
		return 1
	fi
}

pkg_setup() {
	ewarn "This ebuild may require write access to the sources of your current kernel,"
	ewarn "so this directory will be omitted from the sandbox restrictions."
	einfo "This requirement will be overcome in future ebuilds."
}

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

	# Next section applies patches for linux-2.5 kernel, and/or
	# bugfixes for linux-2.4.  All these are from:
	#
	#   http://www.minion.de/nvidia/
	#
	# Many thanks to Christian Zander <[e-mail]> for bringing
	# these to us, and being so helpful to select which to use.

	get_KV_info

	cd ${S}
	einfo "Linux kernel ${KV_major}.${KV_minor}.${KV_micro}"

	if is_kernel 2 5 || is_kernel 2 6
	then
		EPATCH_SINGLE_MSG="Applying basic sysfs patch ..." \
		epatch ${FILESDIR}/${PV}/NVIDIA_kernel-${NV_V}-basic-sysfs-support.patch

		rm makefile
		ln -snf Makefile.kbuild Makefile
	fi

	# 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() {
	# Portage should determine the version of the kernel sources
	check_KV

	# 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
		addwrite "/usr/src/linux"
		env -u ARCH make IGNORE_CC_MISMATCH="yes" KERNDIR="/usr/src/linux" \
			SYSSRC="/usr/src/linux" clean module || die
	else
		env -u ARCH make IGNORE_CC_MISMATCH="yes" KERNDIR="/usr/src/linux" \
			clean module || die
	fi

}

src_install() {
	# The driver goes into the standard modules location
	insinto /lib/modules/${KV}/video
	if is_kernel 2 5 || is_kernel 2 6
	then
		doins nvidia.ko
	else
		doins nvidia.o
	fi

	# 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 are not using devfs, loading the module automatically at"
	einfo "boot up, you need to add \"nvidia\" to your /etc/modules.autoload."
	echo
	ewarn "Please note that the driver name changed from \"NVdriver\""
	ewarn "to \"nvidia.o\"."
	echo
}