| #!/bin/sh |
| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # A depmod wrapper used by the toplevel Makefile |
| |
| if test $# -ne 3; then |
| echo "Usage: $0 /sbin/depmod <kernelrelease> <symbolprefix>" >&2 |
| exit 1 |
| fi |
| DEPMOD=$1 |
| KERNELRELEASE=$2 |
| SYMBOL_PREFIX=$3 |
| |
| if ! test -r System.map ; then |
| exit 0 |
| fi |
| |
| if [ -z $(command -v $DEPMOD) ]; then |
| echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2 |
| echo "This is probably in the kmod package." >&2 |
| exit 0 |
| fi |
| |
| # older versions of depmod don't support -P <symbol-prefix> |
| # support was added in module-init-tools 3.13 |
| if test -n "$SYMBOL_PREFIX"; then |
| release=$("$DEPMOD" --version) |
| package=$(echo "$release" | cut -d' ' -f 1) |
| if test "$package" = "module-init-tools"; then |
| version=$(echo "$release" | cut -d' ' -f 2) |
| later=$(printf '%s\n' "$version" "3.13" | sort -V | tail -n 1) |
| if test "$later" != "$version"; then |
| # module-init-tools < 3.13, drop the symbol prefix |
| SYMBOL_PREFIX="" |
| fi |
| fi |
| if test -n "$SYMBOL_PREFIX"; then |
| SYMBOL_PREFIX="-P $SYMBOL_PREFIX" |
| fi |
| fi |
| |
| # older versions of depmod require the version string to start with three |
| # numbers, so we cheat with a symlink here |
| depmod_hack_needed=true |
| tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX) |
| mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE" |
| if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then |
| if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \ |
| -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then |
| depmod_hack_needed=false |
| fi |
| fi |
| rm -rf "$tmp_dir" |
| if $depmod_hack_needed; then |
| symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE" |
| ln -s "$KERNELRELEASE" "$symlink" |
| KERNELRELEASE=99.98.$KERNELRELEASE |
| fi |
| |
| set -- -ae -F System.map |
| if test -n "$INSTALL_MOD_PATH"; then |
| set -- "$@" -b "$INSTALL_MOD_PATH" |
| fi |
| "$DEPMOD" "$@" "$KERNELRELEASE" $SYMBOL_PREFIX |
| ret=$? |
| |
| if $depmod_hack_needed; then |
| rm -f "$symlink" |
| fi |
| |
| exit $ret |