xref: /openbmc/linux/scripts/depmod.sh (revision 261a9af6)
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 "$DEPMOD"; then
19	exit 0
20fi
21# older versions of depmod require the version string to start with three
22# numbers, so we cheat with a symlink here
23depmod_hack_needed=true
24mkdir -p .tmp_depmod/lib/modules/$KERNELRELEASE
25if "$DEPMOD" -b .tmp_depmod $KERNELRELEASE 2>/dev/null; then
26	if test -e .tmp_depmod/lib/modules/$KERNELRELEASE/modules.dep -o \
27		-e .tmp_depmod/lib/modules/$KERNELRELEASE/modules.dep.bin; then
28		depmod_hack_needed=false
29	fi
30fi
31if $depmod_hack_needed; then
32	symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
33	ln -s "$KERNELRELEASE" "$symlink"
34	KERNELRELEASE=99.98.$KERNELRELEASE
35fi
36
37set -- -ae -F System.map
38if test -n "$INSTALL_MOD_PATH"; then
39	set -- "$@" -b "$INSTALL_MOD_PATH"
40fi
41"$DEPMOD" "$@" "$KERNELRELEASE"
42ret=$?
43
44if $depmod_hack_needed; then
45	rm -f "$symlink"
46fi
47
48exit $ret
49