#!/bin/sh # # abi_checks.sh - check for possible abi changes # # Copyright (C) 2009 Micheal Adam <obnox@samba.org> # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free # Software Foundation; either version 3 of the License, or (at your option) # any later version. # # This program 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 General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program; if not, see <http://www.gnu.org/licenses/>. # # # USAGE: abi_checks.sh LIBNAME header1 [header2 ...] # # This script creates symbol and signature lists from the provided header # files with the aid of the mksyms.sh and mksigs.pl scripts (saved as # $LIBNAME.exports.check and $LIBNAME.sigatures.check). It then compares # the resulting files with the files $LIBNAME.exports and $LIBNME.signatures # which it expects to find in the current directory. # LANG=C; export LANG LC_ALL=C; export LC_ALL LC_COLLATE=C; export LC_COLLATE script=$0 dir_name=$(dirname ${script}) if test x"$1" = "x" ; then echo "USAGE: ${script} libname header [header ...]" exit 1 fi libname="$1" shift if test x"$1" = "x" ; then echo "USAGE: ${script} libname header [header ...]" exit 1 fi headers="$*" exports_file=${libname}.exports exports_file_check=${exports_file}.check signatures_file=${libname}.signatures signatures_file_check=${signatures_file}.check ${dir_name}/mksyms.sh awk ${exports_file_check} ${headers} 2>&1 > /dev/null cat ${headers} | ${dir_name}/mksigs.pl > ${signatures_file_check} 2> /dev/null normalize_exports_file() { filename=$1 cat ${filename} \ | sed -e 's/^[ \t]*//g' \ | sed -e 's/^$//g' \ | sed -e 's/^#.*$//g' \ | sort | uniq > ${filename}.sort } normalize_exports_file ${exports_file} normalize_exports_file ${exports_file_check} normalize_exports_file ${signatures_file} normalize_exports_file ${signatures_file_check} diff -u ${exports_file}.sort ${exports_file_check}.sort if test "x$?" != "x0" ; then echo "WARNING: possible ABI change detected in exports!" else echo "exports check: OK" fi diff -u ${signatures_file}.sort ${signatures_file_check}.sort if test "x$?" != "x0" ; then echo "WARNING: possible ABI change detected in signatures!" else echo "signatures check: OK" fi