1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# 4# A depmod wrapper used by the toplevel Makefile 5 6if test $# -ne 2; then 7 echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2 8 exit 1 9fi 10DEPMOD=$1 11KERNELRELEASE=$2 12 13if ! test -r System.map ; then 14 echo "Warning: modules_install: missing 'System.map' file. Skipping depmod." >&2 15 exit 0 16fi 17 18# legacy behavior: "depmod" in /sbin, no /sbin in PATH 19PATH="$PATH:/sbin" 20if [ -z $(command -v $DEPMOD) ]; then 21 echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2 22 echo "This is probably in the kmod package." >&2 23 exit 0 24fi 25 26# older versions of depmod require the version string to start with three 27# numbers, so we cheat with a symlink here 28depmod_hack_needed=true 29tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX) 30mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE" 31if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then 32 if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \ 33 -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then 34 depmod_hack_needed=false 35 fi 36fi 37rm -rf "$tmp_dir" 38if $depmod_hack_needed; then 39 symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" 40 ln -s "$KERNELRELEASE" "$symlink" 41 KERNELRELEASE=99.98.$KERNELRELEASE 42fi 43 44set -- -ae -F System.map 45if test -n "$INSTALL_MOD_PATH"; then 46 set -- "$@" -b "$INSTALL_MOD_PATH" 47fi 48"$DEPMOD" "$@" "$KERNELRELEASE" 49ret=$? 50 51if $depmod_hack_needed; then 52 rm -f "$symlink" 53fi 54 55exit $ret 56