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|
#!/bin/bash
#
# This script takes the merged config files and processes them through oldconfig
# and listnewconfig
die()
{
echo "$1"
exit 1
}
# stupid function to find top of tree to do kernel make configs
switch_to_toplevel()
{
path="$(pwd)"
while test "$path" != "/"
do
test -e $path/MAINTAINERS && \
test -d $path/drivers && \
break
path="$(dirname $path)"
done
test "$path" != "/" || die "Can't find toplevel"
echo "$path"
}
checkoptions()
{
/usr/bin/awk '
/is not set/ {
split ($0, a, "#");
split(a[2], b);
if (NR==FNR) {
configs[b[1]]="is not set";
} else {
if (configs[b[1]] != "" && configs[b[1]] != "is not set")
print "Found # "b[1] " is not set, after generation, had " b[1] " " configs[b[1]] " in Source tree";
}
}
/=/ {
split ($0, a, "=");
if (NR==FNR) {
configs[a[1]]=a[2];
} else {
if (configs[a[1]] != "" && configs[a[1]] != a[2])
print "Found "a[1]"="configs[a[1]]" after generation, had " a[1]"="a[2]" in Source tree";
}
}
' $1 $2 > .mismatches
if test -s .mismatches
then
echo "Error: Mismatches found in configuration files"
cat .mismatches
exit 1
fi
}
function process_configs()
{
# assume we are in $source_tree/configs, need to get to top level
pushd $(switch_to_toplevel)
for cfg in $SCRIPT_DIR/${PACKAGE_NAME}${KVERREL}${SUBARCH}*.config
do
arch=$(head -1 $cfg | cut -b 3-)
cfgtmp="${cfg}.tmp"
cfgorig="${cfg}.orig"
cat $cfg > $cfgorig
echo -n "Processing $cfg ... "
# an empty grep is good but leaves a return value, so use # 'true' to bypass
make ARCH=$arch KCONFIG_CONFIG=$cfg listnewconfig | grep -E 'CONFIG_' > .newoptions || true
if test -n "$NEWOPTIONS" && test -s .newoptions
then
echo "Found unset config items, please set them to an appropriate value"
cat .newoptions
rm .newoptions
exit 1
fi
rm .newoptions
make ARCH=$arch KCONFIG_CONFIG=$cfg olddefconfig > /dev/null || exit 1
echo "# $arch" > ${cfgtmp}
cat "${cfg}" >> ${cfgtmp}
if test -n "$CHECKOPTIONS"
then
checkoptions $cfgtmp $cfgorig
fi
mv ${cfgtmp} ${cfg}
rm ${cfgorig}
echo "done"
done
rm "$SCRIPT_DIR"/*.config.old
popd > /dev/null
echo "Processed config files are in $SCRIPT_DIR"
}
NEWOPTIONS=""
CHECKOPTIONS=""
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-n)
NEWOPTIONS="x"
;;
-c)
CHECKOPTIONS="x"
;;
*)
break;;
esac
shift
done
PACKAGE_NAME="${1:-kernel}" # defines the package name used
KVERREL="$(test -n "$2" && echo "-$2" || echo "")"
SUBARCH="$(test -n "$3" && echo "-$3" || echo "")"
SCRIPT="$(readlink -f $0)"
OUTPUT_DIR="$PWD"
SCRIPT_DIR="$(dirname $SCRIPT)"
# to handle this script being a symlink
cd $SCRIPT_DIR
process_configs
|
