| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0+ |
| # |
| # Usage: configinit.sh config-spec-file results-dir |
| # |
| # Create a .config file from the spec file. Run from the kernel source tree. |
| # Exits with 0 if all went well, with 1 if all went well but the config |
| # did not match, and some other number for other failures. |
| # |
| # The first argument is the .config specification file, which contains |
| # desired settings, for example, "CONFIG_NO_HZ=y". For best results, |
| # this should be a full pathname. |
| # |
| # Copyright (C) IBM Corporation, 2013 |
| # |
| # Authors: Paul E. McKenney <paulmck@linux.ibm.com> |
| |
| T=${TMPDIR-/tmp}/configinit.sh.$$ |
| trap 'rm -rf $T' 0 |
| mkdir $T |
| |
| # Capture config spec file. |
| |
| c=$1 |
| resdir=$2 |
| |
| sed -e 's/^\(CONFIG[0-9A-Z_]*\)=.*$/grep -v "^# \1" |/' < $c > $T/u.sh |
| sed -e 's/^\(CONFIG[0-9A-Z_]*=\).*$/grep -v \1 |/' < $c >> $T/u.sh |
| grep '^grep' < $T/u.sh > $T/upd.sh |
| echo "cat - $c" >> $T/upd.sh |
| if test -z "$TORTURE_TRUST_MAKE" |
| then |
| make clean > $resdir/Make.clean 2>&1 |
| fi |
| make $TORTURE_KMAKE_ARG $TORTURE_DEFCONFIG > $resdir/Make.defconfig.out 2>&1 |
| mv .config .config.sav |
| sh $T/upd.sh < .config.sav > .config |
| cp .config .config.new |
| yes '' | make $TORTURE_KMAKE_ARG oldconfig > $resdir/Make.oldconfig.out 2> $resdir/Make.oldconfig.err |
| |
| # verify new config matches specification. |
| configcheck.sh .config $c |
| |
| exit 0 |
