1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# 3*4882a593Smuzhiyun# A depmod wrapper used by the toplevel Makefile 4*4882a593Smuzhiyun 5*4882a593Smuzhiyunif test $# -ne 3; then 6*4882a593Smuzhiyun echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2 7*4882a593Smuzhiyun exit 1 8*4882a593Smuzhiyunfi 9*4882a593SmuzhiyunDEPMOD=$1 10*4882a593SmuzhiyunKERNELRELEASE=$2 11*4882a593SmuzhiyunSYMBOL_PREFIX=$3 12*4882a593Smuzhiyun 13*4882a593Smuzhiyunif ! test -r System.map ; then 14*4882a593Smuzhiyun exit 0 15*4882a593Smuzhiyunfi 16*4882a593Smuzhiyun 17*4882a593Smuzhiyunif [ -z $(command -v $DEPMOD) ]; then 18*4882a593Smuzhiyun echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2 19*4882a593Smuzhiyun echo "This is probably in the kmod package." >&2 20*4882a593Smuzhiyun exit 0 21*4882a593Smuzhiyunfi 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun# older versions of depmod don't support -P <symbol-prefix> 24*4882a593Smuzhiyun# support was added in module-init-tools 3.13 25*4882a593Smuzhiyunif test -n "$SYMBOL_PREFIX"; then 26*4882a593Smuzhiyun release=$("$DEPMOD" --version) 27*4882a593Smuzhiyun package=$(echo "$release" | cut -d' ' -f 1) 28*4882a593Smuzhiyun if test "$package" = "module-init-tools"; then 29*4882a593Smuzhiyun version=$(echo "$release" | cut -d' ' -f 2) 30*4882a593Smuzhiyun later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1) 31*4882a593Smuzhiyun if test "$later" != "$version"; then 32*4882a593Smuzhiyun # module-init-tools < 3.13, drop the symbol prefix 33*4882a593Smuzhiyun SYMBOL_PREFIX="" 34*4882a593Smuzhiyun fi 35*4882a593Smuzhiyun fi 36*4882a593Smuzhiyun if test -n "$SYMBOL_PREFIX"; then 37*4882a593Smuzhiyun SYMBOL_PREFIX="-P $SYMBOL_PREFIX" 38*4882a593Smuzhiyun fi 39*4882a593Smuzhiyunfi 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun# older versions of depmod require the version string to start with three 42*4882a593Smuzhiyun# numbers, so we cheat with a symlink here 43*4882a593Smuzhiyundepmod_hack_needed=true 44*4882a593Smuzhiyuntmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX) 45*4882a593Smuzhiyunmkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE" 46*4882a593Smuzhiyunif "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then 47*4882a593Smuzhiyun if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \ 48*4882a593Smuzhiyun -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then 49*4882a593Smuzhiyun depmod_hack_needed=false 50*4882a593Smuzhiyun fi 51*4882a593Smuzhiyunfi 52*4882a593Smuzhiyunrm -rf "$tmp_dir" 53*4882a593Smuzhiyunif $depmod_hack_needed; then 54*4882a593Smuzhiyun symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" 55*4882a593Smuzhiyun ln -s "$KERNELRELEASE" "$symlink" 56*4882a593Smuzhiyun KERNELRELEASE=99.98.$KERNELRELEASE 57*4882a593Smuzhiyunfi 58*4882a593Smuzhiyun 59*4882a593Smuzhiyunset -- -ae -F System.map 60*4882a593Smuzhiyunif test -n "$INSTALL_MOD_PATH"; then 61*4882a593Smuzhiyun set -- "$@" -b "$INSTALL_MOD_PATH" 62*4882a593Smuzhiyunfi 63*4882a593Smuzhiyun"$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX 64*4882a593Smuzhiyunret=$? 65*4882a593Smuzhiyun 66*4882a593Smuzhiyunif $depmod_hack_needed; then 67*4882a593Smuzhiyun rm -f "$symlink" 68*4882a593Smuzhiyunfi 69*4882a593Smuzhiyun 70*4882a593Smuzhiyunexit $ret 71