# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-video/nvidia-glx/nvidia-glx-1.0.7667-r1.ebuild,v 1.2 2005/08/24 00:34:56 swegener Exp $

inherit eutils multilib versionator

X86_PKG_V="pkg0"
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="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 )"

LICENSE="NVIDIA"
SLOT="0"

KEYWORDS="-* ~amd64 ~x86"

RESTRICT="nostrip multilib-pkg-force"
IUSE="dlloader"

RDEPEND="virtual/libc
	virtual/x11
	app-admin/eselect-opengl
	~media-video/nvidia-kernel-${PV}
	!app-emulation/emul-linux-x86-nvidia"

#	!<sys-libs/glibc-2.3.4.20040619-r2"
# The !<sys-libs/glibc-2.3.4.20040619-r2 is to ensure our glibc has tls
# support if we are atleast CHOST=i486.

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}"
fi

S="${WORKDIR}/${NV_PACKAGE}-${PKG_V}"

check_xfree() {
	# This isn't necessary, true. But its about time people got the idea.
	if has_version "x11-base/xfree"; then
		eerror "Support for x11-base/xfree is deprecated. Upgrade to x11-base/xorg-x11."
	fi
}

pkg_setup() {
	check_xfree

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

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

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

	# Patchs go below here, add breif description
	cd ${S}
	# nVidia wants us to use nvidia-installer, removing warning.
	epatch ${NV_PATCH_PREFIX//$(get_version_component_range 3)/6629}-makefile.patch
	# Use the correct defines to make gtkglext build work
	epatch ${NV_PATCH_PREFIX//$(get_version_component_range 3)/6629}-defines.patch
	# Use some more sensible gl headers and make way for new glext.h
	epatch ${NV_PATCH_PREFIX//$(get_version_component_range 3)/6629}-glheader.patch

	# Closing bug #37517 by letting virtual/x11 provide system wide glext.h
	# 16 July 2004, opengl-update is now supplying glext.h for system wide
	# compatibility, so we still need to remove this.
	# 7 November 2004, Keeping this around for 6629 to see what happens.
	#rm -f usr/include/GL/glext.h
}

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

	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

	# Docs, remove nvidia-settings as provided by media-video/nvidia-settings
	rm -f usr/share/doc/nvidia-settings*
	dodoc usr/share/doc/*

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

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 NV_ROOT="/usr/${inslibdir}/opengl/nvidia"

	# The GLX libraries
	exeinto ${NV_ROOT}/lib
	doexe usr/${pkglibdir}/libGL.so.${PV}
	doexe usr/${pkglibdir}/libGLcore.so.${PV}
	dosym libGL.so.${PV} ${NV_ROOT}/lib/libGL.so
	dosym libGL.so.${PV} ${NV_ROOT}/lib/libGL.so.1
	dosym libGLcore.so.${PV} ${NV_ROOT}/lib/libGLcore.so
	dosym libGLcore.so.${PV} ${NV_ROOT}/lib/libGLcore.so.1

	local NO_TLS_ROOT="/usr/${inslibdir}/opengl/nvidia/no-tls"
	dodir ${NO_TLS_ROOT}
	exeinto ${NO_TLS_ROOT}
	doexe usr/${pkglibdir}/libnvidia-tls.so.${PV}
	dosym libnvidia-tls.so.${PV} ${NO_TLS_ROOT}/libnvidia-tls.so
	dosym libnvidia-tls.so.${PV} ${NO_TLS_ROOT}/libnvidia-tls.so.1

	local TLS_ROOT="/usr/${inslibdir}/opengl/nvidia/tls"
	dodir ${TLS_ROOT}
	exeinto ${TLS_ROOT}
	doexe usr/${pkglibdir}/tls/libnvidia-tls.so.${PV}
	dosym libnvidia-tls.so.${PV} ${TLS_ROOT}/libnvidia-tls.so
	dosym libnvidia-tls.so.${PV} ${TLS_ROOT}/libnvidia-tls.so.1

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

	# 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

	# The X module
	# Since we moved away from libs in /usr/X11R6 need to check this
	if has_version ">=x11-base/xorg-x11-6.8.0-r4" ; then
		local X11_LIB_DIR="/usr/$(get_libdir)"
	else
		local X11_LIB_DIR="/usr/X11R6/$(get_libdir)"
	fi

	exeinto ${X11_LIB_DIR}/modules/drivers
	# The below section was changed to fix bug #96514 and bug #91101.
	if use dlloader; then
		[[ -f usr/X11R6/${pkglibdir}/modules/drivers/nvidia_drv.so ]] && \
			doexe usr/X11R6/${pkglibdir}/modules/drivers/nvidia_drv.so
	else
		[[ -f usr/X11R6/${pkglibdir}/modules/drivers/nvidia_drv.o ]] && \
			doexe usr/X11R6/${pkglibdir}/modules/drivers/nvidia_drv.o
	fi

	insinto ${X11_LIB_DIR}
	[[ -f usr/X11R6/${pkglibdir}/libXvMCNVIDIA.a ]] && \
		doins usr/X11R6/${pkglibdir}/libXvMCNVIDIA.a
	exeinto ${X11_LIB_DIR}
	[[ -f usr/X11R6/${pkglibdir}/libXvMCNVIDIA.so.${PV} ]] && \
		doexe usr/X11R6/${pkglibdir}/libXvMCNVIDIA.so.${PV}

	exeinto ${NV_ROOT}/extensions
	[[ -f usr/X11R6/${pkglibdir}/modules/extensions/libglx.so.${PV} ]] && \
		newexe usr/X11R6/${pkglibdir}/modules/extensions/libglx.so.${PV} libglx.so

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

pkg_preinst() {
	# 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() {
	#switch to the nvidia implementation
	/usr/bin/eselect opengl set 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 have 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() {
	/usr/bin/eselect opengl set --use-old xorg-x11
}