1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3 4if [ $# -eq 1 ] ; then 5 OUTPUT=$1 6fi 7 8GVF=${OUTPUT}PERF-VERSION-FILE 9 10LF=' 11' 12 13# 14# Always try first to get the version from the kernel Makefile 15# 16CID= 17TAG= 18if test -d ../../.git -o -f ../../.git 19then 20 TAG=$(MAKEFLAGS= make -sC ../.. kernelversion) 21 CID=$(git log -1 --abbrev=12 --pretty=format:"%h" 2>/dev/null) && CID="-g$CID" 22else 23 TAG=$(cut -d' ' -f3 ../../PERF-VERSION-FILE | sed -e 's/\"//g') 24fi 25 26VN="$TAG$CID" 27if test -n "$CID" 28then 29 # format version string, strip trailing zero of sublevel: 30 VN=$(echo "$VN" | sed -e 's/-/./g;s/\([0-9]*[.][0-9]*\)[.]0/\1/') 31fi 32 33VN=$(expr "$VN" : v*'\(.*\)') 34 35if test -r $GVF 36then 37 VC=$(sed -e 's/^#define PERF_VERSION "\(.*\)"/\1/' <$GVF) 38else 39 VC=unset 40fi 41test "$VN" = "$VC" || { 42 echo >&2 " PERF_VERSION = $VN" 43 echo "#define PERF_VERSION \"$VN\"" >$GVF 44} 45 46 47