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#!/usr/bin/env bash
#
# Copyright (C) 2020 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
SELF=${0##*/}
[ -n "$PATCHELF" ] || {
echo "$SELF: patchelf command not defined (PATCHELF variable not set)"
exit 1
}
ABI_VER="$1"
PATCH_DIR="$2"
REF_LIST="$3"
[ -n "$ABI_VER" -a -n "$PATCH_DIR" ] || {
echo "$SELF: no ABI version or files/directories specified"
echo "usage: $SELF <VERSION> [<PATH>...]"
exit 1
}
cmd() {
echo "$@" >&2
"$@" || exit 1
}
gen_lib_list() {
while read F; do
F="${F##*/}"
case "$F" in
lib*.so*);;
*) continue;;
esac
echo -n "$F:"
done < "$REF_LIST"
}
find "$PATCH_DIR" -type f -a -name 'lib*.so*' | \
(
while read F; do
NEW_F="${F%%.so*}.so.$ABI_VER"
NEW_NAME="${NEW_F##*/}"
[ "$NEW_F" != "$F" ] || continue
cmd mv "$F" "$NEW_F"
[ "$REF_LIST" ] || cmd ln -s "$NEW_NAME" "$F"
cmd $PATCHELF --set-soname "$NEW_NAME" "$NEW_F"
done
)
[ -n "$REF_LIST" ] || exit 0
LIBS="$(gen_lib_list)"
LIBS="${LIBS%%:}"
find "$PATCH_DIR" -type f -a -exec file {} \; | \
sed -n -e 's/^\(.*\):.*ELF.*\(executable\|relocatable\|shared object\).*,.*/\1:\2/p' | \
(
IFS=":"
while read F S; do
$PATCHELF --print-needed "$F" | while read L; do
BASE_L="${L%%.so*}"
for lib in $LIBS; do
base_lib="${lib%%.so*}"
[ "$BASE_L" = "$base_lib" ] || continue
[ "$l" = "$lib" ] && continue
cmd $PATCHELF --replace-needed "$L" "$lib" "$F"
done
done
done
true
)
|
