3 # A depmod wrapper used by the toplevel Makefile
6 echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2
13 if ! test -r System.map ; then
17 # legacy behavior: "depmod" in /sbin, no /sbin in PATH
19 if [ -z $(command -v $DEPMOD) ]; then
20 echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2
21 echo "This is probably in the kmod package." >&2
25 # older versions of depmod don't support -P <symbol-prefix>
26 # support was added in module-init-tools 3.13
27 if test -n "$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" != "$version"; then
34 # module-init-tools < 3.13, drop the symbol prefix
38 if test -n "$SYMBOL_PREFIX"; then
39 SYMBOL_PREFIX="-P $SYMBOL_PREFIX"
43 # older versions of depmod require the version string to start with three
44 # numbers, so we cheat with a symlink here
45 depmod_hack_needed=true
46 tmp_dir=$(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
51 depmod_hack_needed=false
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
61 set -- -ae -F System.map
62 if test -n "$INSTALL_MOD_PATH"; then
63 set -- "$@" -b "$INSTALL_MOD_PATH"
65 "$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX
68 if $depmod_hack_needed; then