1#!/bin/sh 2# 3# A depmod wrapper used by the toplevel Makefile 4 5if test $# -ne 3; then 6 echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2 7 exit 1 8fi 9DEPMOD=$1 10KERNELRELEASE=$2 11SYMBOL_PREFIX=$3 12 13if ! test -r System.map ; then 14 exit 0 15fi 16 17if [ -z $(command -v $DEPMOD) ]; then 18 echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2 19 echo "This is probably in the kmod package." >&2 20 exit 0 21fi 22 23# older versions of depmod don't support -P <symbol-prefix> 24# support was added in module-init-tools 3.13 25if test -n "$SYMBOL_PREFIX"; then 26 release=$("$DEPMOD" --version) 27 package=$(echo "$release" | cut -d' ' -f 1) 28 if test "$package" = "module-init-tools"; then 29 version=$(echo "$release" | cut -d' ' -f 2) 30 later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1) 31 if test "$later" != "$version"; then 32 # module-init-tools < 3.13, drop the symbol prefix 33 SYMBOL_PREFIX="" 34 fi 35 fi 36 if test -n "$SYMBOL_PREFIX"; then 37 SYMBOL_PREFIX="-P $SYMBOL_PREFIX" 38 fi 39fi 40 41# older versions of depmod require the version string to start with three 42# numbers, so we cheat with a symlink here 43depmod_hack_needed=true 44tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX) 45mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE" 46if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then 47 if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \ 48 -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then 49 depmod_hack_needed=false 50 fi 51fi 52rm -rf "$tmp_dir" 53if $depmod_hack_needed; then 54 symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" 55 ln -s "$KERNELRELEASE" "$symlink" 56 KERNELRELEASE=99.98.$KERNELRELEASE 57fi 58 59set -- -ae -F System.map 60if test -n "$INSTALL_MOD_PATH"; then 61 set -- "$@" -b "$INSTALL_MOD_PATH" 62fi 63"$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX 64ret=$? 65 66if $depmod_hack_needed; then 67 rm -f "$symlink" 68fi 69 70exit $ret 71