Commit | Line | Data |
---|---|---|
fc4da9a3 MM |
1 | #!/bin/sh |
2 | # | |
3 | # A depmod wrapper used by the toplevel Makefile | |
4 | ||
8937e897 JH |
5 | if test $# -ne 3; then |
6 | echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2 | |
fc4da9a3 MM |
7 | exit 1 |
8 | fi | |
9 | DEPMOD=$1 | |
10 | KERNELRELEASE=$2 | |
8937e897 | 11 | SYMBOL_PREFIX=$3 |
fc4da9a3 | 12 | |
2d43ff0f | 13 | if ! test -r System.map ; then |
fc4da9a3 MM |
14 | exit 0 |
15 | fi | |
8937e897 | 16 | |
f679fa0d LT |
17 | # legacy behavior: "depmod" in /sbin, no /sbin in PATH |
18 | PATH="$PATH:/sbin" | |
2d43ff0f | 19 | if [ -z $(command -v $DEPMOD) ]; then |
a7522804 | 20 | echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2 |
2d43ff0f | 21 | echo "This is probably in the kmod package." >&2 |
a7522804 | 22 | exit 0 |
2d43ff0f RD |
23 | fi |
24 | ||
8937e897 JH |
25 | # older versions of depmod don't support -P <symbol-prefix> |
26 | # support was added in module-init-tools 3.13 | |
27 | if test -n "$SYMBOL_PREFIX"; then | |
28 | release=$("$DEPMOD" --version) | |
29 | package=$(echo "$release" | cut -d' ' -f 1) | |
30 | if test "$package" = "module-init-tools"; then | |
31 | version=$(echo "$release" | cut -d' ' -f 2) | |
32 | later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1) | |
33 | if test "$later" != "$version"; then | |
34 | # module-init-tools < 3.13, drop the symbol prefix | |
35 | SYMBOL_PREFIX="" | |
36 | fi | |
37 | fi | |
38 | if test -n "$SYMBOL_PREFIX"; then | |
39 | SYMBOL_PREFIX="-P $SYMBOL_PREFIX" | |
40 | fi | |
41 | fi | |
42 | ||
bfe5424a MM |
43 | # older versions of depmod require the version string to start with three |
44 | # numbers, so we cheat with a symlink here | |
45 | depmod_hack_needed=true | |
8fc62e59 MM |
46 | tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX) |
47 | mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE" | |
48 | if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then | |
49 | if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \ | |
50 | -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then | |
bfe5424a MM |
51 | depmod_hack_needed=false |
52 | fi | |
53 | fi | |
8fc62e59 | 54 | rm -rf "$tmp_dir" |
bfe5424a MM |
55 | if $depmod_hack_needed; then |
56 | symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" | |
57 | ln -s "$KERNELRELEASE" "$symlink" | |
58 | KERNELRELEASE=99.98.$KERNELRELEASE | |
59 | fi | |
60 | ||
fc4da9a3 MM |
61 | set -- -ae -F System.map |
62 | if test -n "$INSTALL_MOD_PATH"; then | |
63 | set -- "$@" -b "$INSTALL_MOD_PATH" | |
64 | fi | |
8937e897 | 65 | "$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX |
bfe5424a MM |
66 | ret=$? |
67 | ||
68 | if $depmod_hack_needed; then | |
69 | rm -f "$symlink" | |
70 | fi | |
71 | ||
72 | exit $ret |