scripts/gen-dependencies.sh

   1 #!/usr/bin/env bash
   2 #
   3 # Copyright (C) 2012 OpenWrt.org
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8 SELF=${0##*/}
   9
  10 READELF="${READELF:-readelf}"
  11 OBJCOPY="${OBJCOPY:-objcopy}"
  12 TARGETS=$*
  13 XARGS="${XARGS:-xargs -r}"
  14
  15 [ -z "$TARGETS" ] && {
  16   echo "$SELF: no directories / files specified"
  17   echo "usage: $SELF [PATH...]"
  18   exit 1
  19 }
  20
  21 find $TARGETS -type f -a -exec file {} \; | \
  22   sed -n -e 's/^\(.*\):.*ELF.*\(executable\|shared object\).*,.* stripped/\1/p' | \
  23   $XARGS -n1 $READELF -d | \
  24   awk '$2 ~ /NEEDED/ && $NF !~ /interpreter/ && $NF ~ /^\[?lib.*\.so/ { gsub(/[\[\]]/, "", $NF); print $NF }' | \
  25   sort -u
  26
  27 tmp=`mktemp $TMP_DIR/dep.XXXXXXXX`
  28 for kmod in `find $TARGETS -type f -name \*.ko`; do
  29         $OBJCOPY -O binary -j .modinfo $kmod $tmp
  30         sed -e 's,\x00,\n,g' $tmp | \
  31                 sed -ne '/^depends=.\+/ { s/^depends=//; s/,/.ko\n/g; s/$/.ko/p; q }'
  32 done | sort -u
  33 rm -f $tmp