mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
70 lines
2.0 KiB
Bash
70 lines
2.0 KiB
Bash
#!/bin/sh
|
|
# Update abilist files based on differences on one architecture.
|
|
# Copyright (C) 2015-2023 Free Software Foundation, Inc.
|
|
# This file is part of the GNU C Library.
|
|
#
|
|
# The GNU C Library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2.1 of the License, or (at your option) any later version.
|
|
#
|
|
# The GNU C Library is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with the GNU C Library; if not, see
|
|
# <https://www.gnu.org/licenses/>.
|
|
|
|
set -e
|
|
export LC_ALL=C
|
|
|
|
if [ $# -lt 2 ]; then
|
|
echo "usage: $0 OLD-FILE NEW-FILE FILES-TO-BE-PATCHED..." 1>&2
|
|
exit 2
|
|
elif [ $# -eq 2 ]; then
|
|
echo "info: no files to patch" 1>&2
|
|
exit 0
|
|
fi
|
|
|
|
old_file="$1"
|
|
shift
|
|
new_file="$1"
|
|
shift
|
|
|
|
tmp_old_sorted="$(mktemp)"
|
|
tmp_new_sorted="$(mktemp)"
|
|
tmp_new_symbols="$(mktemp)"
|
|
tmp_patched="$(mktemp)"
|
|
|
|
cleanup () {
|
|
rm -f -- "$tmp_old_sorted" "$tmp_new_sorted" \
|
|
"$tmp_new_symbols" "$tmp_patched"
|
|
}
|
|
|
|
trap cleanup 0
|
|
|
|
sort -u -o "$tmp_old_sorted" -- "$old_file"
|
|
sort -u -o "$tmp_new_sorted" -- "$new_file"
|
|
|
|
# -1 skips symbols only in $old_file (deleted symbols).
|
|
# -3 skips symbols in both files (unchanged symbols).
|
|
comm -1 -3 "$tmp_old_sorted" "$tmp_new_sorted" > "$tmp_new_symbols"
|
|
|
|
new_symbol_count="$(wc -l < "$tmp_new_symbols")"
|
|
if [ "$new_symbol_count" -eq 0 ]; then
|
|
echo "info: no symbols added" 1>&2
|
|
exit 0
|
|
fi
|
|
|
|
echo "info: $new_symbol_count symbol(s) added" 1>&2
|
|
|
|
for to_be_patched in "$@" ; do
|
|
sort -u -o "$tmp_patched" -- "$to_be_patched" "$tmp_new_symbols"
|
|
if ! cmp -s -- "$to_be_patched" "$tmp_patched"; then
|
|
echo "info: updating $to_be_patched" 1>&2
|
|
cp -- "$tmp_patched" "$to_be_patched"
|
|
fi
|
|
done
|