diff options
Diffstat (limited to '')
| -rwxr-xr-x | scripts/depmod.sh | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/scripts/depmod.sh b/scripts/depmod.sh new file mode 100755 index 000000000..3643b4f89 --- /dev/null +++ b/scripts/depmod.sh @@ -0,0 +1,55 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# A depmod wrapper used by the toplevel Makefile + +if test $# -ne 2; then + echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2 + exit 1 +fi +DEPMOD=$1 +KERNELRELEASE=$2 + +if ! test -r System.map ; then + echo "Warning: modules_install: missing 'System.map' file. Skipping depmod." >&2 + exit 0 +fi + +# legacy behavior: "depmod" in /sbin, no /sbin in PATH +PATH="$PATH:/sbin" +if [ -z $(command -v $DEPMOD) ]; then + echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2 + echo "This is probably in the kmod package." >&2 + exit 0 +fi + +# older versions of depmod require the version string to start with three +# numbers, so we cheat with a symlink here +depmod_hack_needed=true +tmp_dir=$(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" +ret=$? + +if $depmod_hack_needed; then + rm -f "$symlink" +fi + +exit $ret |