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ubports_kernel_google_msm/debian/scripts/misc/kernelconfig
2014-01-09 07:43:45 -07:00

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#!/bin/bash
. debian/debian.env
# Script to merge all configs and run 'make silentoldconfig' on it to wade out bad juju.
# Then split the configs into distro-commmon and flavour-specific parts
# We have to be in the top level kernel source directory
if [ ! -f MAINTAINERS ] || [ ! -f Makefile ]; then
echo "This does not appear to be the kernel source directory." 1>&2
exit 1
fi
mode=${1:?"Usage: $0 [oldconfig|editconfig]"}
yes=0
case "$mode" in
update*configs) mode='silentoldconfig' ;;
default*configs) mode='oldconfig'; yes=1 ;;
edit*configs) ;; # All is good
gen*configs) mode='genconfigs' ;; # All is good
dump*configs) mode='config'; yes=1 ;;
*) echo "$0 called with invalid mode" 1>&2
exit 1 ;;
esac
kerneldir="`pwd`"
confdir="$kerneldir/${DEBIAN}/config"
sharedconfdir="$kerneldir/debian.master/config"
variant="$2"
. $DEBIAN/etc/kernelconfig
bindir="`pwd`/${DROOT}/scripts/misc"
common_conf="$confdir/config.common.$family"
tmpdir=`mktemp -d`
mkdir "$tmpdir/CONFIGS"
if [ "$mode" = "genconfigs" ]; then
keep=1
mode="oldconfig"
test -d CONFIGS || mkdir CONFIGS
fi
for arch in $archs; do
rm -rf build
mkdir build
# Map debian archs to kernel archs
case "$arch" in
ppc64) kernarch="powerpc" ;;
amd64) kernarch="x86_64" ;;
lpia) kernarch="x86" ;;
sparc) kernarch="sparc64" ;;
armel|armhf) kernarch="arm" ;;
*) kernarch="$arch" ;;
esac
archconfdir=$confdir/$arch
flavourconfigs=$(cd $archconfdir && ls config.flavour.*)
# Merge configs
# We merge config.common.ubuntu + config.common.<arch> +
# config.flavour.<flavour>
for config in $flavourconfigs; do
fullconf="$tmpdir/$arch-$config-full"
case $config in
*)
: >"$fullconf"
if [ -f $common_conf ]; then
cat $common_conf >> "$fullconf"
fi
if [ -f $archconfdir/config.common.$arch ]; then
cat $archconfdir/config.common.$arch >> "$fullconf"
fi
cat "$archconfdir/$config" >>"$fullconf"
if [ -f $confdir/OVERRIDES ]; then
cat $confdir/OVERRIDES >> "$fullconf"
fi
;;
esac
done
for config in $flavourconfigs; do
if [ -f $archconfdir/$config ]; then
fullconf="$tmpdir/$arch-$config-full"
cat "$fullconf" > build/.config
# Call oldconfig or menuconfig
case "$mode" in
editconfigs)
# Interactively edit config parameters
while : ; do
echo -n "Do you want to edit config: $arch/$config? [Y/n] "
read choice
case "$choice" in
y* | Y* | "" )
make O=`pwd`/build ARCH=$kernarch menuconfig
break ;;
n* | N* )
break ;;
*)
echo "Entry not valid"
esac
done
;;
*)
echo "* Run $mode (yes=$yes) on $arch/$config ..."
if [ "$yes" -eq 1 ]; then
yes "" | make O=`pwd`/build ARCH=$kernarch "$mode"
else
make O=`pwd`/build ARCH=$kernarch "$mode"
fi ;;
esac
cat build/.config > $archconfdir/$config
cat build/.config > "$tmpdir/CONFIGS/$arch-$config"
if [ "$keep" = "1" ]; then
cat build/.config > CONFIGS/$arch-$config
fi
else
echo "!! Config not found $archconfdir/$config..."
fi
done
echo "Running splitconfig.pl for $arch"
echo
# Can we make this more robust by avoiding $tmpdir completely?
# This approach was used for now because I didn't want to change
# splitconfig.pl
(cd $archconfdir; $bindir/splitconfig.pl config.flavour.*; mv config.common \
config.common.$arch; cp config.common.$arch $tmpdir)
done
rm -f $common_conf
# Now run splitconfig.pl on all the config.common.<arch> copied to
# $tmpdir
(cd $tmpdir; $bindir/splitconfig.pl *)
(
cd $confdir;
rm -f *-full
grep -v 'is UNMERGABLE' <$tmpdir/config.common >$common_conf
for arch in $archs; do
grep -v 'is UNMERGABLE' <$tmpdir/config.common.$arch \
>$arch/config.common.$arch
done
)
echo ""
echo "Running config-check for all configurations ..."
echo ""
fail=0
for arch in $archs; do
archconfdir=$confdir/$arch
flavourconfigs=$(cd $archconfdir && ls config.flavour.*)
for config in $flavourconfigs; do
flavour="${config##*.}"
if [ -f $archconfdir/$config ]; then
fullconf="$tmpdir/CONFIGS/$arch-$config"
"$bindir/../config-check" "$fullconf" "$arch" "$flavour" "$sharedconfdir" "0" || let "fail=$fail+1"
fi
done
done
if [ "$fail" != 0 ]; then
echo ""
echo "*** ERROR: $fail config-check failures detected"
echo ""
fi
rm -rf build