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#!/bin/sh
set -e
TRIPLETS="/ /i386-linux-gnu/ /x86_64-linux-gnu/"
add_slave()
{
local target_link name source_path prefix
target_link="$1"
name="$2"
source_path="$3"
prefix="glx--"
if [ -f "${source_path}" ] && [ -d "$(dirname "${target_link}")" ]; then
echo --slave "${target_link}" "${prefix}${name}" "${source_path}"
fi
}
add_multiarch_slave()
{
local target_dir target_sub_dir file source_dir source_sub_dir prefix suffix triplet
target_dir="$1"
target_sub_dir="$2"
file="$3"
source_dir="$4"
source_sub_dir="$5"
prefix="$6"
for triplet in $TRIPLETS ; do
# s|/$||; s|^/|-|;
suffix="${triplet%/}"
suffix="${suffix:+-${suffix#/}}"
add_slave \
"${target_dir}${triplet}${target_sub_dir}${file}" \
"${prefix}${file}${suffix}" \
"${source_dir}${triplet}${source_sub_dir}${file}"
done
}
# Handles the alternatives for
# * /usr/lib[/<triplet>]/libGL.so.1
# * /usr/lib/xorg/modules/linux/libglx.so
# * /usr/lib/xorg/modules/drivers/nvidia_drv.so
# * several more NVIDIA libraries etc.
# * /etc/modprobe.d/nvidia-blacklists-nouveau.conf
setup_alternatives()
{
slaves="
$(add_multiarch_slave /usr/lib "" libGL.so.1 /usr/lib nvidia/)
$(add_slave /usr/lib/xorg/modules/drivers/nvidia_drv.so nvidia_drv.so /usr/lib/nvidia/nvidia_drv.so)
"
minor_slaves="
$(add_multiarch_slave /usr/lib "" libGLcore.so.1 /usr/lib nvidia/)
$(add_multiarch_slave /usr/lib "" libnvidia-cfg.so.1 /usr/lib nvidia/)
$(add_multiarch_slave /usr/lib "" libnvidia-tls.so.1 /usr/lib nvidia/)
$(add_multiarch_slave /usr/lib tls/ libnvidia-tls.so.1 /usr/lib nvidia/tls/ tls-)
$(add_multiarch_slave /usr/lib "" libXvMCNVIDIA.so.1 /usr/lib nvidia/)
$(add_multiarch_slave /usr/lib "" libXvMCNVIDIA_dynamic.so.1 /usr/lib nvidia/)
$(add_slave /usr/lib/xorg/modules/linux/libglx.so linux-libglx.so /usr/lib/nvidia/libglx.so)
$(add_slave /usr/bin/nvidia-bug-report.sh nvidia-bug-report.sh /usr/lib/nvidia/nvidia-bug-report.sh)
$(add_slave /etc/modprobe.d/nvidia-blacklists-nouveau.conf nvidia-blacklists-nouveau.conf /etc/nvidia/nvidia-blacklists-nouveau.conf)
"
if echo "$slaves" | grep -q "slave" ; then
update-alternatives --install /usr/lib/glx glx /usr/lib/nvidia 100 $slaves $minor_slaves
else
update-alternatives --remove glx /usr/lib/nvidia
fi
ldconfig
# trigger rebuilding the initrd to (de-)activate the nouveau blacklist
if [ -x /usr/sbin/update-initramfs ]; then
update-initramfs -u
fi
}
if [ "$1" = "triggered" ] || [ "$1" = "configure" ]; then
setup_alternatives
fi
#DEBHELPER#
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