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=$3 12 13if ! test -r System.map -a -x "$DEPMOD"; then 14 exit 0 15fi 16 17# older versions of depmod don't support -P <symbol-prefix> 18# support was added in module-init-tools 3.13 19if test -n "$SYMBOL_PREFIX"; then 20 release=$("$DEPMOD" --version) 21 package=$(echo "$release" | cut -d' ' -f 1) 22 if test "$package" = "module-init-tools"; then 23 version=$(echo "$release" | cut -d' ' -f 2) 24 later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1) 25 if test "$later" != "$version"; then 26 # module-init-tools < 3.13, drop the symbol prefix 27 SYMBOL_PREFIX="" 28 fi 29 fi 30 if test -n "$SYMBOL_PREFIX"; then 31 SYMBOL_PREFIX="-P $SYMBOL_PREFIX" 32 fi 33fi 34 35# older versions of depmod require the version string to start with three 36# numbers, so we cheat with a symlink here 37depmod_hack_needed=true 38tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX) 39mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE" 40if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then 41 if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \ 42 -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then 43 depmod_hack_needed=false 44 fi 45fi 46rm -rf "$tmp_dir" 47if $depmod_hack_needed; then 48 symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" 49 ln -s "$KERNELRELEASE" "$symlink" 50 KERNELRELEASE=99.98.$KERNELRELEASE 51fi 52 53set -- -ae -F System.map 54if test -n "$INSTALL_MOD_PATH"; then 55 set -- "$@" -b "$INSTALL_MOD_PATH" 56fi 57"$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX 58ret=$? 59 60if $depmod_hack_needed; then 61 rm -f "$symlink" 62fi 63 64exit $ret 65