# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /home/cvsroot/gentoo-x86/net-misc/nforce-net/nforce-net-1.0.0256.ebuild,v 1.7 2003/09/05 22:01:49 msterret Exp $

inherit gcc

NV_V="${PV/1.0./1.0-}"
NV_PACKAGE="NVIDIA_nforce-${NV_V}"
S="${WORKDIR}/nforce"
DESCRIPTION="Linux kernel module for the NVIDIA's nForce network chip"
HOMEPAGE="http://www.nvidia.com/"
SRC_URI="http://download.nvidia.com/XFree86/nforce/${NV_V}/${NV_PACKAGE}.tar.gz"

# 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"


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_2_5_kernel() {
    get_KV_info

    if [ "${KV_major}" -eq 2 -a "${KV_minor}" -eq 5 ]
    then
        return 0
    else
        return 1
    fi
}

is_2_6_kernel() {
    get_KV_info

    if [ "${KV_major}" -eq 2 -a "${KV_minor}" -eq 6 ]
    then
        return 0
    else
        return 1
    fi
}

src_compile() {
	check_KV
	cd ${S}/nvnet
	get_KV_info
    einfo "Linux kernel ${KV_major}.${KV_minor}.${KV_micro}"
    if is_2_5_kernel || is_2_6_kernel
    then
        EPATCH_SINGLE_MSG="Applying 2.5/6 patch ..." \
        epatch ${FILESDIR}/nvnet.2.5-1.diff
    fi

	make KERNSRC="/usr/src/linux" || die
}

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

    if is_2_5_kernel || is_2_6_kernel
    then
	doins nvnet/nvnet.ko
	else
	doins nvnet/nvnet.o
	fi

	# Docs
	dodoc ${S}/ReleaseNotes.html
}

pkg_postinst() {
	if [ "${ROOT}" = "/" ]
	then
		# Update module dependency
		[ -x /usr/sbin/update-modules ] && /usr/sbin/update-modules
	fi

	echo
	einfo "You need to add \"nvnet\" to your /etc/modules.autoload to load"
	einfo "this module when the system is started. Alternatively, you can"
	einfo "use the 'hotplug' package ('emerge hotplug' then 'rc-update add"
	einfo "hotplug default') to auto-detect and load \"nvnet\" on startup."
}