1#!/bin/sh 2 3if [ $# -eq 1 ] ; then 4 OUTPUT=$1 5fi 6 7GVF=${OUTPUT}PERF-VERSION-FILE 8 9LF=' 10' 11 12# 13# First check if there is a .git to get the version from git describe 14# otherwise try to get the version from the kernel Makefile 15# 16CID= 17TAG= 18if test -d ../../.git -o -f ../../.git 19then 20 TAG=$(git describe --abbrev=0 --match "v[0-9].[0-9]*" 2>/dev/null ) 21 CID=$(git log -1 --abbrev=4 --pretty=format:"%h" 2>/dev/null) && CID="-g$CID" 22fi 23if test -z "$TAG" 24then 25 TAG=$(MAKEFLAGS= make -sC ../.. kernelversion) 26fi 27VN="$TAG$CID" 28if test -n "$CID" 29then 30 # format version string, strip trailing zero of sublevel: 31 VN=$(echo "$VN" | sed -e 's/-/./g;s/\([0-9]*[.][0-9]*\)[.]0/\1/') 32fi 33 34VN=$(expr "$VN" : v*'\(.*\)') 35 36if test -r $GVF 37then 38 VC=$(sed -e 's/^#define PERF_VERSION "\(.*\)"/\1/' <$GVF) 39else 40 VC=unset 41fi 42test "$VN" = "$VC" || { 43 echo >&2 "PERF_VERSION = $VN" 44 echo "#define PERF_VERSION \"$VN\"" >$GVF 45} 46 47 48