blob: baedaef53ca05597bdadb6509d2fd1a8b75cc0f7
1 | #!/bin/sh |
2 | # |
3 | # A depmod wrapper used by the toplevel Makefile |
4 | |
5 | if test $# -ne 3; then |
6 | echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2 |
7 | exit 1 |
8 | fi |
9 | DEPMOD=$1 |
10 | KERNELRELEASE=$2 |
11 | SYMBOL_PREFIX=$3 |
12 | |
13 | if ! test -r System.map ; then |
14 | exit 0 |
15 | fi |
16 | |
17 | if [ -z $(command -v $DEPMOD) ]; then |
18 | echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2 |
19 | echo "This is probably in the kmod package." >&2 |
20 | exit 0 |
21 | fi |
22 | |
23 | # older versions of depmod don't support -P <symbol-prefix> |
24 | # support was added in module-init-tools 3.13 |
25 | if test -n "$SYMBOL_PREFIX"; then |
26 | release=$("$DEPMOD" --version) |
27 | package=$(echo "$release" | cut -d' ' -f 1) |
28 | if test "$package" = "module-init-tools"; then |
29 | version=$(echo "$release" | cut -d' ' -f 2) |
30 | later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1) |
31 | if test "$later" != "$version"; then |
32 | # module-init-tools < 3.13, drop the symbol prefix |
33 | SYMBOL_PREFIX="" |
34 | fi |
35 | fi |
36 | if test -n "$SYMBOL_PREFIX"; then |
37 | SYMBOL_PREFIX="-P $SYMBOL_PREFIX" |
38 | fi |
39 | fi |
40 | |
41 | # older versions of depmod require the version string to start with three |
42 | # numbers, so we cheat with a symlink here |
43 | depmod_hack_needed=true |
44 | tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX) |
45 | mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE" |
46 | if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then |
47 | if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \ |
48 | -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then |
49 | depmod_hack_needed=false |
50 | fi |
51 | fi |
52 | rm -rf "$tmp_dir" |
53 | if $depmod_hack_needed; then |
54 | symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" |
55 | ln -s "$KERNELRELEASE" "$symlink" |
56 | KERNELRELEASE=99.98.$KERNELRELEASE |
57 | fi |
58 | |
59 | set -- -ae -F System.map |
60 | if test -n "$INSTALL_MOD_PATH"; then |
61 | set -- "$@" -b "$INSTALL_MOD_PATH" |
62 | fi |
63 | "$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX |
64 | ret=$? |
65 | |
66 | if $depmod_hack_needed; then |
67 | rm -f "$symlink" |
68 | fi |
69 | |
70 | exit $ret |
71 |