scripts/depmod.sh

   1 #!/bin/sh
   2 #
   3 # A depmod wrapper used by the toplevel Makefile
   4
   5 if test $# -ne 2; then
   6         echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
   7         exit 1
   8 fi
   9 DEPMOD=$1
  10 KERNELRELEASE=$2
  11
  12 if ! "$DEPMOD" -V 2>/dev/null | grep -q module-init-tools; then
  13         echo "Warning: you may need to install module-init-tools" >&2
  14         echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt" >&2
  15         sleep 1
  16 fi
  17
  18 if ! test -r System.map -a -x "$DEPMOD"; then
  19         exit 0
  20 fi
  21 # older versions of depmod require the version string to start with three
  22 # numbers, so we cheat with a symlink here
  23 depmod_hack_needed=true
  24 tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
  25 mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
  26 if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
  27         if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
  28                 -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then
  29                 depmod_hack_needed=false
  30         fi
  31 fi
  32 rm -rf "$tmp_dir"
  33 if $depmod_hack_needed; then
  34         symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
  35         ln -s "$KERNELRELEASE" "$symlink"
  36         KERNELRELEASE=99.98.$KERNELRELEASE
  37 fi
  38
  39 set -- -ae -F System.map
  40 if test -n "$INSTALL_MOD_PATH"; then
  41         set -- "$@" -b "$INSTALL_MOD_PATH"
  42 fi
  43 "$DEPMOD" "$@" "$KERNELRELEASE"
  44 ret=$?
  45
  46 if $depmod_hack_needed; then
  47         rm -f "$symlink"
  48 fi
  49
  50 exit $ret