# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/matrox.eclass,v 1.10 2004/10/14 03:27:38 spyderous Exp $
#
# Author: Donnie Berkholz <spyderous@gentoo.org>
#
# This eclass is designed to reduce code duplication in the mtxdrivers* ebuilds.
# The only addition to mtxdrivers-pro is OpenGL stuff.

inherit eutils
#inherit linux-einfo

ECLASS="matrox"
INHERITED="${INHERITED} ${ECLASS}"

EXPORT_FUNCTIONS pkg_setup src_compile

HOMEPAGE="http://www.matrox.com/mga/products/parhelia/home.cfm"

LICENSE="Matrox"
SLOT="${KV}"
RESTRICT="fetch nostrip"

RDEPEND="virtual/x11
	virtual/linux-sources"

matrox_pkg_setup() {
	# Require correct /usr/src/linux
	check_KV

	# Set up X11 implementation
	X11_IMPLEM_P="$(best_version virtual/x11)"
	X11_IMPLEM="${X11_IMPLEM_P%-[0-9]*}"
	X11_IMPLEM="${X11_IMPLEM##*\/}"
	einfo "X11 implementation is ${X11_IMPLEM}."

	# Force XFree86 4.3.0, 4.2.1 or 4.2.0 to be installed unless FORCE_VERSION
	# is set. Need FORCE_VERSION for 4.3.99/4.4.0 compatibility until Matrox
	# comes up with drivers (spyderous)
	if has_version "x11-base/xfree"
	then
		local INSTALLED_X="`best_version x11-base/xfree`"
		GENTOO_X_VERSION_REVISION="${INSTALLED_X/x11-base\/xfree-}"
		GENTOO_X_VERSION="${GENTOO_X_VERSION_REVISION%-*}"
		if [ "${GENTOO_X_VERSION}" != "4.3.0" ]
		then
			if [ "${GENTOO_X_VERSION}" != "4.2.1" ]
			then
				if [ "${GENTOO_X_VERSION}" != "4.2.0" ]
				then
					if [ "${GENTOO_X_VERSION}" != "4.3.0" ]
					then
						if [ -n "${FORCE_VERSION}" ]
						then
							GENTOO_X_VERSION="${FORCE_VERSION}"
						else
							die "These drivers require XFree86 4.3.0, 4.2.1, 4.2.0 or 4.3.0. Do FORCE_VERSION=version-you-want emerge ${PN} (4.3.0, 4.2.1, 4.2.0 or 4.3.0) to force installation."
						fi
					fi
				fi
			fi
		fi
	# xorg-x11 compatibility
	elif has_version "x11-base/xorg-x11"
	then
		local INSTALLED_X="`best_version x11-base/xorg-x11`"
		GENTOO_X_VERSION_REVISION="${INSTALLED_X/x11-base\/xorg-x11-}"
		GENTOO_X_VERSION="${GENTOO_X_VERSION_REVISION%-*}"
		if [ "${GENTOO_X_VERSION}" != "6.7.0" ]
		then
			if [ "${GENTOO_X_VERSION}" != "6.8.0" ]
			then
				if [ "${GENTOO_X_VERSION}" != "6.8.1" ]
				then
				    if [ "${GENTOO_X_VERSION}" != "6.8.2" ]
				    then
						if [ -n "${FORCE_VERSION}" ]
						then
							GENTOO_X_VERSION="${FORCE_VERSION}"
						else
							die "These drivers require xorg-x11 6.7.0, 6.8.0, 6.8.1 or 6.8.2. Do FORCE_VERSION=version-you-want emerge ${PN} (6.7.0, 6.8.0, 6.8.1 or 6.8.2) to force installation."
						fi
				    fi
				fi
			fi
		fi
	fi
}

matrox_src_compile() {
    # Check for kernel version < 2.6.12
    local MY_KV="${KV%-*}"
    MY_KV="${MY_KV%-*}"
    einfo "Kernelversion: ${MY_KV}"

	if [ "${MY_KV}" == "2.6.12" ]
	then
	  die "These drivers will only support kernels < 2.6.12."
	fi
	
	# 2.6 builds use the ARCH variable
	set_arch_to_kernel
	export PARHELIUX="${PWD}/kernel/src"
	export INSTALLERBUILD="1"
	cd ${S}/kernel/src
	make clean
	cd parhelia
	make clean
	ln -sf ../../mtx_parhelia.o .
	cd ..
	# Can't use emake here
	make || die "make failed"
	set_arch_to_portage
}

matrox_base_src_install() {
	# Kernel Module
	dodir /$(get_libdir)/modules/${KV}/kernel/drivers/video; insinto /$(get_libdir)/modules/${KV}/kernel/drivers/video

	#Addition by Daniel Armyr<daniel.armyr@home.se>
    #Assuming noone tries this on a < 2.4 or > 2.6 kernel.
	#Experience says that one can also rename mtx.o to mtx.ko and 
	#use that module. But since the ebuild makes an mtx.ko we
	#might as well use it.
	if [ "${KV:0:3}" = "2.4" ]
	then
		einfo "Kernel vesion: 2.4" #debug
		doins kernel/src/mtx.o
	else
		einfo "Kernel version: 2.6" #debug
		doins kernel/src/mtx.ko
	fi

	# X Driver (2D)
	dodir /usr/X11R6/$(get_libdir)/modules/drivers; insinto /usr/X11R6/$(get_libdir)/modules/drivers
	doins xserver/${GENTOO_X_VERSION}/mtx_drv.o
}

matrox_base_pkg_postinst() {
    
	if [ "${ROOT}" = "/" ]
	then
		/sbin/modules-update
	fi

	if [ ! -d /dev/video ]
	then
		if [ -f /dev/video ]
		then
			einfo "NOTE: To be able to use busmastering, you MUST have /dev/video as"
		    einfo "a directory, which means you must remove anything there first"
			einfo "(rm -f /dev/video), and mkdir /dev/video"
		else
			mkdir /dev/video
		fi
	fi
}