scripts/rstrip.sh

   1 #!/usr/bin/env bash
   2 #
   3 # Copyright (C) 2006 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=${0##*/}
   9
  10 [ -z "$STRIP" ] && {
  11   echo "$SELF: strip command not defined (STRIP variable not set)"
  12   exit 1
  13 }
  14
  15 TARGETS=$*
  16
  17 [ -z "$TARGETS" ] && {
  18   echo "$SELF: no directories / files specified"
  19   echo "usage: $SELF [PATH...]"
  20   exit 1
  21 }
  22
  23 find $TARGETS -type f -a -exec file {} \; | \
  24   sed -n -e 's/^\(.*\):.*ELF.*\(executable\|relocatable\|shared object\).*,.* stripped/\1:\2/p' | \
  25 (
  26   IFS=":"
  27   while read F S; do
  28     echo "$SELF: $F: $S"
  29         [ "${S}" = "relocatable" ] && {
  30                 eval "$STRIP_KMOD $F"
  31         } || {
  32                 b=$(stat -c '%a' $F)
  33                 [ -z "$PATCHELF" ] || [ -z "$TOPDIR" ] || {
  34                         old_rpath="$($PATCHELF --print-rpath $F)"; new_rpath=""
  35                         for path in $old_rpath; do
  36                                 case "$path" in
  37                                         /lib/[^/]*|/usr/lib/[^/]*|\$ORIGIN/*) new_rpath="${new_rpath:+$new_rpath:}$path" ;;
  38                                         *) echo "$SELF: $F: removing rpath $path" ;;
  39                                 esac
  40                         done
  41                         [ "$new_rpath" = "$old_rpath" ] || $PATCHELF --set-rpath "$new_rpath" $F
  42                 }
  43                 eval "$STRIP $F"
  44                 a=$(stat -c '%a' $F)
  45                 [ "$a" = "$b" ] || chmod $b $F
  46         }
  47   done
  48   true
  49 )