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