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-rwxr-xr-xscripts/set-abi-version.sh73
1 files changed, 73 insertions, 0 deletions
diff --git a/scripts/set-abi-version.sh b/scripts/set-abi-version.sh
new file mode 100755
index 0000000000..a61c842c6d
--- /dev/null
+++ b/scripts/set-abi-version.sh
@@ -0,0 +1,73 @@
+#!/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
+)