#!/bin/sh # Copyright (C) 2002-2005 Flavio Stanchina # Copyright (C) 2005-2006 Aric Cyr # Copyright (C) 2007 Mario Limonciello # Copyright (C) 2009 Alberto Milone set -e [ -f /usr/share/debconf/confmodule ] && . /usr/share/debconf/confmodule uname_s=$(uname -s) _get_kernel_dir() { KVER=$1 case ${uname_s} in Linux) DIR="/lib/modules/$KVER/build" ;; GNU/kFreeBSD) DIR="/usr/src/kfreebsd-headers-$KVER/sys" ;; esac echo $DIR } _check_kernel_dir() { DIR=$(_get_kernel_dir $1) case ${uname_s} in Linux) test -e $DIR/include ;; GNU/kFreeBSD) test -e $DIR/kern && test -e $DIR/conf/kmod.mk ;; *) return 1 ;; esac return $? } # Check the existence of a kernel named as $1 _is_kernel_name_correct() { if [ -e "/lib/modules/$1" ]; then echo yes else echo no fi } # Get the most recent kernel on Debian based systems. This keeps # into account both the version and the ABI. If the current kernel # is the most recent kernel then the function will print a null string. _get_newest_kernel_debian() { NEWEST_KERNEL= NEWEST_VERSION= NEWEST_ABI= for kernel in /boot/config-*; do [ -f "$kernel" ] || continue KERNEL=${kernel#*-} KERNEL_VERSION=${KERNEL%%-*} ABI=${KERNEL#*-} ABI=${ABI%%-*} if [ -z "$NEWEST_KERNEL" ]; then # The 1st time get a version which is bigger than $1 COMPARE_TO=$1 else # Get the biggest version COMPARE_TO="$NEWEST_VERSION-$NEWEST_ABI" fi # if $kernel is greater than $COMPARE_TO if [ $(dpkg --compare-versions "$KERNEL_VERSION-$ABI" ge "$COMPARE_TO" && echo "yes" || \ echo "no") = "yes" ]; then NEWEST_KERNEL=$KERNEL NEWEST_VERSION=$KERNEL_VERSION NEWEST_ABI=$ABI fi done echo "$NEWEST_KERNEL" } # Get the most recent kernel in Rhel based systems. _get_newest_kernel_rhel() { rpm -q --qf="%{VERSION}-%{RELEASE}.%{ARCH}\n" --whatprovides kernel | tail -n 1 } # Get the newest kernel on Debian and Rhel based systems. get_newest_kernel() { NEWEST_KERNEL= # Try Debian first as rpm can be installed in Debian based distros if [ -e /usr/bin/dpkg ]; then # If DEB based CURRENT_VERSION=${CURRENT_KERNEL%%-*} CURRENT_ABI=${CURRENT_KERNEL#*-} CURRENT_FLAVOUR=${CURRENT_ABI#*-} CURRENT_ABI=${CURRENT_ABI%%-*} NEWEST_KERNEL=$(_get_newest_kernel_debian "$CURRENT_VERSION-$CURRENT_ABI") elif which rpm >>/dev/null 2>&1; then # If RPM based NEWEST_KERNEL=$(_get_newest_kernel_rhel) fi # Make sure that kernel name that we extracted corresponds to an installed # kernel if [ -n "$NEWEST_KERNEL" ] && [ $(_is_kernel_name_correct $NEWEST_KERNEL) = "no" ]; then NEWEST_KERNEL= fi echo $NEWEST_KERNEL } NAME=$1 VERSION=$2 TARBALL_ROOT=$3 ARCH=$4 UPGRADE=$5 if [ -z "$NAME" ] || [ -z "$VERSION" ]; then echo "Need NAME, and VERSION defined" echo "ARCH is optional" exit 1 fi if [ -f /etc/dkms/no-autoinstall ]; then echo "autoinstall for dkms modules has been disabled." exit 0 fi # read framework configuration options if [ -r /etc/dkms/framework.conf ]; then . /etc/dkms/framework.conf fi KERNELS=$(ls /lib/modules/ 2>/dev/null || true) CURRENT_KERNEL=$(uname -r) #We never want to keep an older version side by side to prevent conflicts if [ -e "/var/lib/dkms/$NAME/$VERSION" ]; then echo "Removing old $NAME-$VERSION DKMS files..." dkms remove -m $NAME -v $VERSION --all fi #Load new files, by source package and by tarball if [ -f "$TARBALL_ROOT/$NAME-$VERSION.dkms.tar.gz" ]; then if ! dkms ldtarball --archive "$TARBALL_ROOT/$NAME-$VERSION.dkms.tar.gz"; then echo "" echo "" echo "Unable to load DKMS tarball $TARBALL_ROOT/$NAME-$VERSION.dkms.tar.gz." echo "Common causes include: " echo " - You must be using DKMS 2.1.0.0 or later to support binaries only" echo " distribution specific archives." echo " - Corrupt distribution specific archive" echo "" echo "" exit 2 fi elif [ -d "/usr/src/$NAME-$VERSION" ]; then echo "Loading new $NAME-$VERSION DKMS files..." dkms add -m $NAME -v $VERSION > /dev/null fi # On 1st installation, let us look for a directory # in /lib/modules which matches $(uname -r). If none # is found it is possible that buildd is being used # and that uname -r is giving us the name of the # kernel used by the buildd machine. # # If this is the case we try to build the kernel # module for each kernel which has a directory in # /lib/modules. Furthermore we will have to tell # DKMS which architecture it should build the module # for (e.g. if the buildd machine is using a # 2.6.24-23-xen 64bit kernel). # # NOTE: if the headers are not installed then the # module won't be built, as usual # Here we look for the most recent kernel so that we can # build the module for it (in addition to doing it for the # current kernel. NEWEST_KERNEL=$(get_newest_kernel) if [ -z "$autoinstall_all_kernels" ]; then # If the current kernel is installed on the system or chroot if [ $(_is_kernel_name_correct $CURRENT_KERNEL) = "yes" ]; then if [ -n "$NEWEST_KERNEL" ] && [ ${CURRENT_KERNEL} != ${NEWEST_KERNEL} ]; then KERNELS="$CURRENT_KERNEL $NEWEST_KERNEL" else KERNELS=$CURRENT_KERNEL fi # The current kernel is not useful as it's not installed else echo "It is likely that $CURRENT_KERNEL belongs to a chroot's host" # Let's use only the newest kernel if this is not a first installation # otherwise build for all kernels if [ -n "$NEWEST_KERNEL" -a -n "$UPGRADE" ]; then KERNELS="$NEWEST_KERNEL" fi fi fi # Take care of displaying newline separated list echo "Building for $KERNELS" | tr '\n' ',' \ | sed -e 's/,/, /g; s/, $/\n/; s/, \([^,]\+\)$/ and \1/' if [ -n "$ARCH" ]; then if which lsb_release >/dev/null && [ $(lsb_release -s -i) = "Ubuntu" ]; then case $ARCH in amd64) ARCH="x86_64" ;; lpia|i?86) ARCH="i686" ;; esac fi echo "Building for architecture $ARCH" ARCH="-a $ARCH" fi for KERNEL in $KERNELS; do dkms_status=$(dkms status -m $NAME -v $VERSION -k $KERNEL $ARCH) if [ $(echo $KERNEL | grep -c "BOOT") -gt 0 ]; then echo "" echo "Module build and install for $KERNEL was skipped as " echo "it is a BOOT variant" continue fi #if the module isn't yet built, try to build it if [ $(echo $dkms_status | grep -c ": built") -eq 0 ]; then if [ ! -L /var/lib/dkms/$NAME/$VERSION/source ]; then echo "This package appears to be a binaries-only package" echo " you will not be able to build against kernel $KERNEL" echo " since the package source was not provided" continue fi if _check_kernel_dir $KERNEL; then echo "Building initial module for $KERNEL" set +e dkms build -m $NAME -v $VERSION -k $KERNEL $ARCH > /dev/null case $? in 9) set -e echo "Skipped." continue ;; 0) set -e echo "Done." ;; *) exit $? ;; esac dkms_status=$(dkms status -m $NAME -v $VERSION -k $KERNEL $ARCH) else echo "Module build for kernel $KERNEL was skipped since the" echo "kernel headers for this kernel does not seem to be installed." fi fi #if the module is built (either pre-built or just now), install it if [ $(echo $dkms_status | grep -c ": built") -eq 1 ] && [ $(echo $dkms_status | grep -c ": installed") -eq 0 ]; then dkms install -m $NAME -v $VERSION -k $KERNEL $ARCH fi done