Root/scripts/depmod.sh

1#!/bin/sh
2#
3# A depmod wrapper used by the toplevel Makefile
4
5if test $# -ne 2; then
6    echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
7    exit 1
8fi
9DEPMOD=$1
10KERNELRELEASE=$2
11
12if ! "$DEPMOD" -V 2>/dev/null | grep -q module-init-tools; then
13    echo "Warning: you may need to install module-init-tools" >&2
14    echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt" >&2
15    sleep 1
16fi
17
18if ! test -r System.map -a -x "$DEPMOD"; then
19    exit 0
20fi
21# older versions of depmod require the version string to start with three
22# numbers, so we cheat with a symlink here
23depmod_hack_needed=true
24tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
25mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
26if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
27    if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
28        -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then
29        depmod_hack_needed=false
30    fi
31fi
32rm -rf "$tmp_dir"
33if $depmod_hack_needed; then
34    symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
35    ln -s "$KERNELRELEASE" "$symlink"
36    KERNELRELEASE=99.98.$KERNELRELEASE
37fi
38
39set -- -ae -F System.map
40if test -n "$INSTALL_MOD_PATH"; then
41    set -- "$@" -b "$INSTALL_MOD_PATH"
42fi
43"$DEPMOD" "$@" "$KERNELRELEASE"
44ret=$?
45
46if $depmod_hack_needed; then
47    rm -f "$symlink"
48fi
49
50exit $ret
51

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