# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-video/nvidia-glx/nvidia-glx-1.0.8174.ebuild,v 1.2 2006/01/14 21:34:36 blubb Exp $

inherit eutils multilib versionator

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"

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

RDEPEND="|| ( virtual/x11 >=x11-base/xorg-server-0.99.1-r7 )
	 || ( virtual/x11 media-libs/mesa )
	 app-admin/eselect-opengl
	 kernel_linux? ( ~media-video/nvidia-kernel-${PV} )
	 !app-emulation/emul-linux-x86-nvidia"
# This should be added to have full dependencies for Gentoo FreeBSD
# but can't be added until the profiles are in main portage (for repoman)
# kernel_FreeBSD? ( ~media-video/nvidia-freebsd-${PV} )

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}"

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

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 default abi."
		die "Unexpected \${DEFAULT_ABI} = ${DEFAULT_ABI}"
	fi
}

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

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

	# Patchs go below here, add breif description
	cd ${S}
	if ! use x86-fbsd; then
		# nVidia wants us to use nvidia-installer, removing warning.
		epatch ${NV_PATCH_PREFIX//$(get_version_component_range 3)/6629}-makefile.patch
	else
		cd ${S}/doc
	fi
	# 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

	if ! use x86-fbsd; then
		# Docs, remove nvidia-settings as provided by media-video/nvidia-settings
		rm -f usr/share/doc/nvidia-settings*
		dodoc usr/share/doc/*
	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 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; then
		[[ -f ${drvdir}/nvidia_drv.so ]] && \
			doexe ${drvdir}/nvidia_drv.so
	else
		[[ -f ${drvdir}/nvidia_drv.o ]] && \
			doexe ${drvdir}/nvidia_drv.o
	fi

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

	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

	# 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" || \
	   has_version "x11-base/xfree86" ; then
		mkdir -p ${NV_D}/usr/X11R6
		for dir in lib lib32 lib64 ; do
			[[ -d ${NV_D}/usr/${dir} ]] && mv ${NV_D}/usr/${dir} ${NV_D}/usr/X11R6
		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() {
	#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 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() {
	eselect opengl set --use-old xorg-x11
}