# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/x11-drivers/nvidia-drivers/nvidia-drivers-1.0.8774.ebuild,v 1.1 2006/08/25 05:11:45 augustus Exp $

inherit eutils multilib versionator linux-mod

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-${NV_V}"
X86_FBSD_NV_PACKAGE="NVIDIA-FreeBSD-x86-${NV_V}"

DESCRIPTION="NVIDIA X11 driver and GLX libraries"
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 )
	 x86-fbsd? ( http://download.nvidia.com/freebsd/${NV_V}/${X86_FBSD_NV_PACKAGE}.tar.gz )"

LICENSE="NVIDIA"
SLOT="0"
KEYWORDS="-* ~amd64 ~x86 ~x86-fbsd"
IUSE="dlloader"
RESTRICT="nostrip multilib-pkg-force"

DEPEND="kernel_linux? ( virtual/linux-sources )"
RDEPEND="kernel_linux? ( virtual/modutils )
	 || ( x11-base/xorg-server virtual/x11 )
	 || ( media-libs/mesa virtual/x11 )
	 app-admin/eselect-opengl
	 kernel_linux? ( !media-video/nvidia-kernel )
	 kernel_FreeBSD? ( !media-video/nvidia-freebsd )
	 !app-emulation/emul-linux-x86-nvidia
	 !x11-drivers/nvidia-legacy-drivers
	 !media-video/nvidia-glx"

PROVIDE="virtual/opengl"
export _POSIX2_VERSION="199209"

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}"
elif use x86-fbsd; then
	PKG_V=""
	NV_PACKAGE="${X86_FBSD_NV_PACKAGE}"
fi

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

# On BSD userland it wants real make command
MAKE="make"

mtrr_check() {
	ebegin "Checking for MTRR support"
	linux_chkconfig_present MTRR
	eend $?

	if [[ $? -ne 0 ]] ; 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"
		eerror "    [*] MTRR (Memory Type Range Register) support"
		eerror
		eerror "and recompile your kernel ..."
		die "MTRR support not detected!"
	fi
}

pkg_setup() {
	if use amd64 && has_multilib_profile && [ "${DEFAULT_ABI}" != "amd64" ]; then
		eerror "This ebuild doesn't currently support changing your default abi."
		die "Unexpected \${DEFAULT_ABI} = ${DEFAULT_ABI}"
	fi

	if ! use x86-fbsd; then
		linux-mod_pkg_setup
		MODULE_NAMES="nvidia(video:${S})"
		BUILD_PARAMS="IGNORE_CC_MISMATCH=yes V=1 SYSSRC=${KV_DIR} SYSOUT=${KV_OUT_DIR}"
		mtrr_check
	fi
}

src_unpack() {
	local NV_PATCH_PREFIX="${FILESDIR}/${PV}/NVIDIA-${PV}"

	if ! use x86-fbsd; then
		if [[ ${KV_MINOR} -eq 6 && ${KV_PATCH} -lt 7 ]] ; then
			echo
			ewarn "Your kernel version is ${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}"
			ewarn "This is not officially supported for ${P}. It is likely you"
			ewarn "will not be able to compile or use the kernel module."
			ewarn "It is recommended that you upgrade your kernel to a version >= 2.6.7"
			echo
			ewarn "DO NOT file bug reports for kernel versions less than 2.6.7 as they will be ignored."
		fi
	fi

	if ! use x86-fbsd; then
		cd ${WORKDIR}
		bash ${DISTDIR}/${NV_PACKAGE}${PKG_V}.run --extract-only
	else
		unpack ${A}
	fi

	# Patches go below here, add breif description
	use x86-fbsd \
		&& cd "${WORKDIR}/${NV_PACKAGE}${PKG_V}/doc" \
		|| cd "${WORKDIR}/${NV_PACKAGE}${PKG_V}"
	# Use the correct defines to make gtkglext build work
	epatch ${FILESDIR}/NVIDIA_glx-defines.patch
	# Use some more sensible gl headers and make way for new glext.h
	epatch ${FILESDIR}/NVIDIA_glx-glheader.patch
	epatch ${FILESDIR}/${P}-NoSMBUS.patch

	if ! use x86-fbsd; then
		# Zander kernel patches
		# None yet.

		# Quiet down warnings the user do not need to see
		sed -i \
			-e 's:-Wpointer-arith::g' \
			-e 's:-Wsign-compare::g' \
			${S}/Makefile.kbuild

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

		# If greater than 2.6.5 use M= instead of SUBDIR=
		cd ${S}; convert_to_m Makefile.kbuild
	fi
}

src_compile() {
	# This is already the default on Linux, as there's no toplevel Makefile, but
	# on FreeBSD there's one and triggers the kernel module build, as we install
	# it by itself, pass this.
	if use x86-fbsd; then
		cd "${WORKDIR}/${NV_PACKAGE}${PKG_V}/src"
		MAKE="$(get_bmake)" emake CC="$(tc-getCC)" LD="$(tc-getLD)"
	else
		linux-mod_src_compile
	fi
}

src_install() {
	local MLTEST=$(type dyn_unpack)

	cd ${WORKDIR}/${NV_PACKAGE}${PKG_V}

	if ! use x86-fbsd; then
		linux-mod_src_install

		# Add the aliases
		sed -e 's:\${PACKAGE}:'${PF}':g' ${FILESDIR}/nvidia > ${WORKDIR}/nvidia
		insinto /etc/modules.d
		newins ${WORKDIR}/nvidia nvidia
	else
		insinto /boot/modules
		doins "${WORKDIR}/${X86_FBSD_NV_PACKAGE}/src/nvidia.kld"

		exeinto /boot/modules
		doexe "${WORKDIR}/${X86_FBSD_NV_PACKAGE}/src/nvidia.ko"
	fi

	if [[ "${MLTEST/set_abi}" == "${MLTEST}" ]] && has_multilib_profile ; then
		local OABI=${ABI}
		for ABI in $(get_install_abis) ; do
			src_install-libs
		done
		ABI=${OABI}
		unset OABI
	elif use amd64 ; then
		src_install-libs lib32 $(get_multilibdir)
		src_install-libs lib $(get_libdir)

		rm -rf ${D}/usr/$(get_multilibdir)/opengl/nvidia/include
		rm -rf ${D}/usr/$(get_multilibdir)/opengl/nvidia/extensions
	else
		src_install-libs
	fi

	is_final_abi || return 0

	if ! use x86-fbsd; then
		# Docs, remove nvidia-settings as provided by media-video/nvidia-settings
		newdoc usr/share/doc/README.txt README
		dodoc usr/share/doc/Copyrights usr/share/doc/NVIDIA_Changelog
		dodoc usr/share/doc/XF86Config.sample
		dohtml usr/share/doc/html/*
	else
		dodoc doc/README doc/README.Linux doc/XF86Config.sample
	fi

	# nVidia want bug reports using this script
	exeinto /usr/bin
	doexe usr/bin/nvidia-bug-report.sh
}

# Install nvidia library:
# the first parameter is the place where to install it
# the second paramis the base name of the library
# the third parameter is the provided soversion
donvidia() {
	dodir $1
	exeinto $1

	libname=$(basename $2)

	doexe $2.$3
	dosym ${libname}.$3 $1/${libname}

	[[ $3 != "1" ]] && dosym ${libname}.$3 $1/${libname}.1
}

src_install-libs() {
	local pkglibdir=lib
	local inslibdir=$(get_libdir)

	if [[ ${#} -eq 2 ]] ; then
		pkglibdir=${1}
		inslibdir=${2}
	elif has_multilib_profile && [[ ${ABI} == "x86" ]] ; then
		pkglibdir=lib32
	fi

	local usrpkglibdir=usr/${pkglibdir}
	local libdir=usr/X11R6/${pkglibdir}
	local drvdir=${libdir}/modules/drivers
	local extdir=${libdir}/modules/extensions
	local incdir=usr/include/GL
	local sover=${PV}
	local NV_ROOT="/usr/${inslibdir}/opengl/nvidia"
	local NO_TLS_ROOT="${NV_ROOT}/no-tls"
	local TLS_ROOT="${NV_ROOT}/tls"
	local X11_LIB_DIR="/usr/${inslibdir}/xorg"

	if ! has_version x11-base/xorg-server ; then
		X11_LIB_DIR="/usr/${inslibdir}"
	fi

	if use x86-fbsd; then
		# on FreeBSD everything is on obj/
		pkglibdir=obj
		usrpkglibdir=obj
		x11pkglibdir=obj
		drvdir=obj
		extdir=obj

		# don't ask me why the headers are there.. glxext.h is missing
		incdir=doc

		# on FreeBSD it has just .1 suffix
		sover=1
	fi

	# The GLX libraries
	donvidia ${NV_ROOT}/lib ${usrpkglibdir}/libGL.so ${sover}
	donvidia ${NV_ROOT}/lib ${usrpkglibdir}/libGLcore.so ${sover}

	dodir ${NO_TLS_ROOT}
	donvidia ${NO_TLS_ROOT} ${usrpkglibdir}/libnvidia-tls.so ${sover}

	if ! use x86-fbsd; then
		donvidia ${TLS_ROOT} ${usrpkglibdir}/tls/libnvidia-tls.so ${sover}
	fi

	if want_tls ; then
		dosym ../tls/libnvidia-tls.so ${NV_ROOT}/lib
		dosym ../tls/libnvidia-tls.so.1 ${NV_ROOT}/lib
		dosym ../tls/libnvidia-tls.so.${sover} ${NV_ROOT}/lib
	else
		dosym ../no-tls/libnvidia-tls.so ${NV_ROOT}/lib
		dosym ../no-tls/libnvidia-tls.so.1 ${NV_ROOT}/lib
		dosym ../no-tls/libnvidia-tls.so.${sover} ${NV_ROOT}/lib
	fi

	if ! use x86-fbsd; then
		# Not sure whether installing the .la file is neccessary;
		# this is adopted from the `nvidia' ebuild
		local ver1=$(get_version_component_range 1)
		local ver2=$(get_version_component_range 2)
		local ver3=$(get_version_component_range 3)
		sed -e "s:\${PV}:${PV}:"     \
			-e "s:\${ver1}:${ver1}:" \
			-e "s:\${ver2}:${ver2}:" \
			-e "s:\${ver3}:${ver3}:" \
			-e "s:\${libdir}:${inslibdir}:" \
			${FILESDIR}/libGL.la-r2 > ${D}/${NV_ROOT}/lib/libGL.la
	fi

	exeinto ${X11_LIB_DIR}/modules/drivers

	if use dlloader || has_version ">=x11-base/xorg-x11-6.8.99.15" ||
		has_version "x11-base/xorg-server"; then
		[[ -f ${drvdir}/nvidia_drv.so ]] && \
			doexe ${drvdir}/nvidia_drv.so
	else
		[[ -f ${drvdir}/nvidia_drv.o ]] && \
			doexe ${drvdir}/nvidia_drv.o
	fi

	insinto /usr/${inslibdir}
	[[ -f ${libdir}/libXvMCNVIDIA.a ]] && \
		doins ${libdir}/libXvMCNVIDIA.a
	exeinto /usr/${inslibdir}
	# fix Bug 131315
	[[ -f ${libdir}/libXvMCNVIDIA.so.${PV} ]] && \
		doexe ${libdir}/libXvMCNVIDIA.so.${PV} && \
		dosym /usr/${inslibdir}/libXvMCNVIDIA.so.${PV} \
			/usr/${inslibdir}/libXvMCNVIDIA.so

	exeinto ${NV_ROOT}/extensions
	[[ -f ${extdir}/libglx.so.${sover} ]] && \
		newexe ${extdir}/libglx.so.${sover} libglx.so

	# Includes
	insinto ${NV_ROOT}/include
	doins ${incdir}/*.h
}

pkg_preinst() {
	# Can we make up our minds ?!?!?
	local NV_D=${IMAGE:-${D}}

	if ! has_version x11-base/xorg-server ; then
		for dir in lib lib32 lib64 ; do
			if [[ -d ${NV_D}/usr/${dir}/xorg ]] ; then
				mv ${NV_D}/usr/${dir}/xorg/* ${NV_D}/usr/${dir}
				rmdir ${NV_D}/usr/${dir}/xorg
			fi
		done
	fi

	# Clean the dinamic libGL stuff's home to ensure
	# we dont have stale libs floating around
	if [[ -d ${ROOT}/usr/lib/opengl/nvidia ]] ; then
		rm -rf ${ROOT}/usr/lib/opengl/nvidia/*
	fi
	# Make sure we nuke the old nvidia-glx's env.d file
	if [[ -e ${ROOT}/etc/env.d/09nvidia ]] ; then
		rm -f ${ROOT}/etc/env.d/09nvidia
	fi
}

pkg_postinst() {
	if ! use x86-fbsd; then
		linux-mod_pkg_postinst
	fi

	#switch to the nvidia implementation
	eselect opengl set --use-old nvidia

	echo
	einfo "To use the Nvidia GLX, run \"eselect opengl set nvidia\""
	echo
	einfo "You may also be interested in media-video/nvidia-settings"
	echo
	einfo "nVidia has requested that any bug reports submitted have the"
	einfo "output of /usr/bin/nvidia-bug-report.sh included."
}

want_tls() {
	# For uclibc or anything non glibc, return false
	has_version sys-libs/glibc || return 1

	# Old versions of glibc were lt/no-tls only
	has_version '<sys-libs/glibc-2.3.2' && return 1

	local valid_chost="true"
	if use x86 ; then
		case ${CHOST/-*} in
			i486|i586|i686) ;;
			*) valid_chost="false"
		esac
	fi

	[[ ${valid_chost} == "false" ]] && return 1

	# If we've got nptl, we've got tls
	built_with_use sys-libs/glibc nptl && return 0

	# 2.3.5 turned off tls for linuxthreads glibc on i486 and i586
	if use x86 && has_version '>=sys-libs/glibc-2.3.5' ; then
		case ${CHOST/-*} in
			i486|i586) return 1 ;;
		esac
	fi

	# These versions built linuxthreads version to support tls, too
	has_version '>=sys-libs/glibc-2.3.4.20040619-r2' && return 0

	return 1
}

pkg_postrm() {
	eselect opengl set --use-old xorg-x11
}