1*4882a593Smuzhiyun#!/bin/bash 2*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0+ 3*4882a593Smuzhiyun# 4*4882a593Smuzhiyun# Usage: configinit.sh config-spec-file results-dir 5*4882a593Smuzhiyun# 6*4882a593Smuzhiyun# Create a .config file from the spec file. Run from the kernel source tree. 7*4882a593Smuzhiyun# Exits with 0 if all went well, with 1 if all went well but the config 8*4882a593Smuzhiyun# did not match, and some other number for other failures. 9*4882a593Smuzhiyun# 10*4882a593Smuzhiyun# The first argument is the .config specification file, which contains 11*4882a593Smuzhiyun# desired settings, for example, "CONFIG_NO_HZ=y". For best results, 12*4882a593Smuzhiyun# this should be a full pathname. 13*4882a593Smuzhiyun# 14*4882a593Smuzhiyun# Copyright (C) IBM Corporation, 2013 15*4882a593Smuzhiyun# 16*4882a593Smuzhiyun# Authors: Paul E. McKenney <paulmck@linux.ibm.com> 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunT=${TMPDIR-/tmp}/configinit.sh.$$ 19*4882a593Smuzhiyuntrap 'rm -rf $T' 0 20*4882a593Smuzhiyunmkdir $T 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun# Capture config spec file. 23*4882a593Smuzhiyun 24*4882a593Smuzhiyunc=$1 25*4882a593Smuzhiyunresdir=$2 26*4882a593Smuzhiyun 27*4882a593Smuzhiyunsed -e 's/^\(CONFIG[0-9A-Z_]*\)=.*$/grep -v "^# \1" |/' < $c > $T/u.sh 28*4882a593Smuzhiyunsed -e 's/^\(CONFIG[0-9A-Z_]*=\).*$/grep -v \1 |/' < $c >> $T/u.sh 29*4882a593Smuzhiyungrep '^grep' < $T/u.sh > $T/upd.sh 30*4882a593Smuzhiyunecho "cat - $c" >> $T/upd.sh 31*4882a593Smuzhiyunif test -z "$TORTURE_TRUST_MAKE" 32*4882a593Smuzhiyunthen 33*4882a593Smuzhiyun make clean > $resdir/Make.clean 2>&1 34*4882a593Smuzhiyunfi 35*4882a593Smuzhiyunmake $TORTURE_KMAKE_ARG $TORTURE_DEFCONFIG > $resdir/Make.defconfig.out 2>&1 36*4882a593Smuzhiyunmv .config .config.sav 37*4882a593Smuzhiyunsh $T/upd.sh < .config.sav > .config 38*4882a593Smuzhiyuncp .config .config.new 39*4882a593Smuzhiyunyes '' | make $TORTURE_KMAKE_ARG oldconfig > $resdir/Make.oldconfig.out 2> $resdir/Make.oldconfig.err 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun# verify new config matches specification. 42*4882a593Smuzhiyunconfigcheck.sh .config $c 43*4882a593Smuzhiyun 44*4882a593Smuzhiyunexit 0 45