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#!/bin/bash
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/x11-base/opengl-update/files/opengl-update-2.1_pre1,v 1.2 2005/01/25 01:43:47 eradicator Exp $
# Author: Martin Schlemmer <azarah@gentoo.org>
# Further modifications by Donnie Berkholz <spyderous@gentoo.org>
# Further modifications based off submissions to bug #54984 <cyfred@gentoo.org>
. /etc/init.d/functions.sh
need_version() {
local X11 X11_VER X11_MAJOR_VER X11_MINOR_VER X11_MICRO_VER ERROR_MSG
ERROR_MSG="This version requires >=x11-base/xorg-x11-6.8.0-r4"
X11="$(portageq match / virtual/x11)"
# Got the egrep from ferringb, who got it from portage code
X11_VER="$(echo ${X11} | egrep -o '(cvs\.)?([[:digit:]]+)((\.[[:digit:]]+)*)([a-z]?)((_(pre|p|beta|alpha|rc)[[:digit:]]*)*)(-r([[:digit:]]+))?$')"
X11_MAJOR_VER="${X11_VER%%.*}"
# Hack around a little to get the minor version
X11_MINOR_VER="${X11_VER#*.}"
X11_MINOR_VER="${X11_MINOR_VER%%.*}"
X11_REVISION_VER="${X11_VER##*-r}"
# If version <6.*, die
if [ ${X11_MAJOR_VER} -lt 6 ]
then
einfo "Detected X ${X11_MAJOR_VER}.${X11_MINOR_VER} series, revision ${X11_REVISION_VER}"
eerror "${ERROR_MSG}"
exit 1
# If version =6.* and <6.8.*, die
elif [ ${X11_MAJOR_VER} -eq 6 -a ${X11_MINOR_VER} -lt 8 ]
then
einfo "Detected X ${X11_MAJOR_VER}.${X11_MINOR_VER} series, revision ${X11_REVISION_VER}"
eerror "${ERROR_MSG}"
exit 1
# If version =6.8.0 and <r4, die
elif [ "${X11_VER}" = "6.8.0" ]
then
if [ ! ${X11_REVISION_VER} -lt 4 ]
then
einfo "Detected X ${X11_MAJOR_VER}.${X11_MINOR_VER} series, revision ${X11_REVISION_VER}"
eerror "${ERROR_MSG}"
exit 1
fi
fi
}
count_implementations() {
local DIR
COUNT="0"
for DIR in $(ls /usr/lib/opengl)
do
if [ "${DIR}" != "global" ]
then
DIRS="${DIRS} ${DIR}"
COUNT="$((COUNT + 1))"
fi
done
}
usage() {
# In addition to the below function, there are two extra uses for this.
#
# They aren't in the printed help message because they're intended
# for developer use.
# 1) --use-old $NEW_IMPLEM will switch to the new implementation only if
# no old setup existed (i.e., X has never been installed)
# 2) --get-implementation will return the implementation
count_implementations
# Get grammar right in message
local IS_ARE IMPLEM_PLURAL
if [ ${COUNT} -eq 1 ]
then
IS_ARE="is"
IMPLEM_PLURAL=""
else
IS_ARE="are"
IMPLEM_PLURAL="s"
fi
cat << FOO
usage: ${0##*/} <GL implementation>
note:
This utility switches between OpenGL implementations. There ${IS_ARE}
${COUNT} available implementation${IMPLEM_PLURAL}: ${DIRS}.
examples:
${0##*/} xorg-x11
This will setup things to use libGL.so from X.org.
${0##*/} nvidia
This will setup things to use libGL.so from the nVidia drivers.
FOO
exit 1
}
need_version
if [ "$#" -ne 1 -a "$#" -ne 2 ] || \
[ "$#" -eq 2 -a "$1" != "--use-old" ]
then
usage
fi
GL_IMPLEM=""
# Discover GL implementation if it exists
get_implem() {
if [ -f /etc/env.d/03opengl ]
then
source /etc/env.d/03opengl
if [ -n "${LDPATH}" ]
then
GL_IMPLEM="${LDPATH%%:*}"
GL_IMPLEM="${GL_IMPLEM##*opengl/}"
GL_IMPLEM="${GL_IMPLEM%/lib*}"
unset LDPATH
fi
fi
}
# Return current GL implementation
if [ "$1" = "--get-implementation" ]
then
get_implem
if [ -n "${GL_IMPLEM}" ]
then
echo "${GL_IMPLEM}"
fi
if [ -z "${GL_IMPLEM}" ]
then
exit 2
fi
exit 0
fi
if [ $(id -u) -ne 0 ]
then
eerror "${0}: must be root."
exit 1
fi
# Only use specified implementation if it is not already selected.
if [ "$1" = "--use-old" ]
then
shift
get_implem
if [ -z "${GL_IMPLEM}" ]
then
GL_IMPLEM="$1"
fi
else
GL_IMPLEM="$1"
fi
if [ ! -d /usr/lib/opengl/${GL_IMPLEM} ]
then
usage
fi
ebegin "Switching to ${GL_IMPLEM} OpenGL interface"
rm -f /etc/env.d/03opengl &> /dev/null
LIBDIRS="lib lib32 lib64"
for LIBDIR in ${LIBDIRS}; do
[ -d "/usr/${LIBDIR}" -a ! -h "/usr/${LIBDIR}" ] || continue
# System wide tls stuff
[ -h "/usr/${LIBDIR}/tls" ] && rm -f /usr/${LIBDIR}/tls
[ -d "/usr/${LIBDIR}/tls" ] || mkdir -p /usr/${LIBDIR}/tls
# Fallback on xorg-x11 if we don't have this implementation for this LIBDIR.
if [ ! -d /usr/${LIBDIR}/opengl/"${GL_IMPLEM}" ]; then
GL_LOCAL="xorg-x11"
else
GL_LOCAL="${GL_IMPLEM}"
fi
# Provide the right libnvidia-tls depending on ntpl or not
if [ "${GL_LOCAL}" = "nvidia" ]; then
if [ -e "/usr/${LIBDIR}/opengl/${GL_LOCAL}/lib/tls" ]; then
rm -f /usr/${LIBDIR}/opengl/${GL_LOCAL}/lib/tls
fi
if getconf GNU_LIBPTHREAD_VERSION | grep -i nptl; then
ln -sf /usr/${LIBDIR}/opengl/${GL_LOCAL}/tls /usr/${LIBDIR}/opengl/${GL_IMPLEM}/lib/tls
# This shouldn't be neccessary...
#ldpath="${ldpath:+${ldpath}:}/usr/${LIBDIR}/opengl/${GL_LOCAL}/lib/tls"
fi
fi
pushd /usr/${LIBDIR}
# First remove old symlinks
for file in libGL.so* libGLcore.so* libnvidia-tls.so* tls/libnvidia-tls.so*; do
rm -f ${file}
done
# Note that we don't do .so*, just .so on purpose. The
# loader knows to look in the profile dir, and the
# linked just needs the .so
for file in opengl/${GL_LOCAL}/lib/*.{so,a,la}; do
[ -f "${file}" ] || continue
rm -f $(basename ${file})
# Fix libtool archives (#48297)
if [ "${file%.la}" != "${file}" ]; then
sed "s:/usr/[^/]*/opengl/[^/]*/lib:/usr/${LIBDIR}:g" ${file} > $(basename ${file})
else
ln -s ${file}
fi
done
ln -s opengl/${GL_LOCAL}/lib/libGL.so libMesaGL.so
popd
if [ -e "/usr/${LIBDIR}/opengl/${GL_LOCAL}/lib/tls" ]; then
pushd /usr/${LIBDIR}/tls
for file in ../opengl/${GL_LOCAL}/lib/tls/*.{so,a,la}; do
[ -f "${file}" ] || continue
rm -f $(basename ${file})
# Fix libtool archives (#48297)
if [ "${file%.la}" != "${file}" ]; then
sed "s:/usr/[^/]*/opengl/[^/]*/lib:/usr/${LIBDIR}:g" ${file} > $(basename ${file})
else
ln -s ${file}
fi
done
popd
fi
if [ -e "/usr/${LIBDIR}/opengl/${GL_LOCAL}/modules/extensions" ]; then
mkdir -p /usr/${LIBDIR}/modules/extensions
pushd /usr/${LIBDIR}/modules/extensions
for file in ../../opengl/${GL_LOCAL}/lib/extensions/*.{so,a,la}; do
[ -f "${file}" ] || continue
rm -f $(basename ${file})
# Fix libtool archives (#48297)
if [ "${file%.la}" != "${file}" ]; then
sed "s:/usr/[^/]*/opengl/[^/]*/lib:/usr/${LIBDIR}:g" ${file} > $(basename ${file})
else
ln -s ${file}
fi
done
popd
fi
# Setup the includes
if [ -e "/usr/${LIBDIR}/opengl/${GL_LOCAL}/modules/includes" ]; then
for x in gl.h glx.h glxtokens.h glext.h; do
if [ -e /usr/X11R6/include/GL/${x} ]; then
rm -f /usr/X11R6/include/GL/${x}
fi
# IMPORTANT
# It is preferable currently to use the standard glext.h file
# however if an OpenGL provider must use a self produced glext.h
# then it should be installed to ${GL_IMPLEM}/include
if [ -e /usr/${LIBDIR}/opengl/${GL_IMPLEM}/include/${x} ]; then
ln -sf /usr/${LIBDIR}/opengl/${GL_IMPLEM}/include/${x} \
/usr/X11R6/include/GL/${x}
else
ln -sf /usr/${LIBDIR}/opengl/global/include/${x} \
/usr/X11R6/include/GL/${x}
fi
done
fi
# Setup the $LDPATH
ldpath="${ldpath:+${ldpath}:}/usr/${LIBDIR}/opengl/${GL_LOCAL}/lib"
done &> /dev/null
echo "LDPATH=\"${ldpath}\"" > /etc/env.d/03opengl
env-update
eend 0
# vim:ts=4
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