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Commit 56643222 authored by Michal Marek's avatar Michal Marek Committed by Sam Ravnborg
Browse files

kbuild: handle non-existing options in scripts/config 



If an option does not exist in .config, set it at the end of the file.

Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent 17b1f0de

scripts/config

+18 −18
Original line number Diff line number Diff line
@@ -26,8 +26,6 @@ options: 


config doesn't check the validity of the .config file. This is done at next

 make time.

The options need to be already in the file before they can be changed,

but sometimes you can cheat with the --*-after options.

EOL

	exit 1

}
@@ -45,8 +43,18 @@ checkarg() { 
	ARG="`echo $ARG | tr a-z A-Z`"

}



replace() {

	sed -i -e "$@" $FN

set_var() {

	local name=$1 new=$2 before=$3



	name_re="^($name=|# $name is not set)"

	before_re="^($before=|# $before is not set)"

	if test -n "$before" && grep -Eq "$before_re" "$FN"; then

		sed -ri "/$before_re/a $new" "$FN"

	elif grep -Eq "$name_re" "$FN"; then

		sed -ri "s:$name_re.*:$new:" "$FN"

	else

		echo "$new" >>"$FN"

	fi

}



if [ "$1" = "--file" ]; then
@@ -70,20 +78,19 @@ while [ "$1" != "" ] ; do 
	case "$CMD" in

	--enable|-e)

		checkarg "$1"

		replace "s/# CONFIG_$ARG is not set/CONFIG_$ARG=y/"

		set_var "CONFIG_$ARG" "CONFIG_$ARG=y"

		shift

		;;



	--disable|-d)

		checkarg "$1"

		replace "s/CONFIG_$ARG=[my]/# CONFIG_$ARG is not set/"

		set_var "CONFIG_$ARG" "# CONFIG_$ARG is not set"

		shift

		;;



	--module|-m)

		checkarg "$1"

		replace "s/CONFIG_$ARG=y/CONFIG_$ARG=m/" \

			-e "s/# CONFIG_$ARG is not set/CONFIG_$ARG=m/"

		set_var "CONFIG_$ARG" "CONFIG_$ARG=m"

		shift

		;;
@@ -109,9 +116,7 @@ while [ "$1" != "" ] ; do 
		A=$ARG

		checkarg "$2"

		B=$ARG

		replace "/CONFIG_$A=[my]/aCONFIG_$B=y" \

			-e "/# CONFIG_$ARG is not set/a/CONFIG_$ARG=y" \

			-e "s/# CONFIG_$ARG is not set/CONFIG_$ARG=y/"

		set_var "CONFIG_$B" "CONFIG_$B=y" "CONFIG_$A"

		shift

		shift

		;;
@@ -121,9 +126,7 @@ while [ "$1" != "" ] ; do 
		A=$ARG

		checkarg "$2"

		B=$ARG

		replace "/CONFIG_$A=[my]/a# CONFIG_$B is not set" \

		-e "/# CONFIG_$ARG is not set/a/# CONFIG_$ARG is not set" \

		-e "s/CONFIG_$ARG=[my]/# CONFIG_$ARG is not set/"

		set_var "CONFIG_$B" "# CONFIG_$B is not set" "CONFIG_$A"

		shift

		shift

		;;
@@ -133,10 +136,7 @@ while [ "$1" != "" ] ; do 
		A=$ARG

		checkarg "$2"

		B=$ARG

		replace "/CONFIG_$A=[my]/aCONFIG_$B=m" \

			-e "/# CONFIG_$ARG is not set/a/CONFIG_$ARG=m" \

			-e "s/CONFIG_$ARG=y/CONFIG_$ARG=m/" \

			-e "s/# CONFIG_$ARG is not set/CONFIG_$ARG=m/"

		set_var "CONFIG_$B" "CONFIG_$B=m" "CONFIG_$A"

		shift

		shift

		;;