scripts/multiconfig.sh - u-boot - Git at Google

 #!/bin/sh
 #
 # A wrapper script to adjust Kconfig for U-Boot
 #
 # Instead of touching various parts under the scripts/kconfig/ directory,
 # pushing necessary adjustments into this single script would be better
 # for code maintainance.  All the make targets related to the configuration
 # (make %config) should be invoked via this script.
 # See doc/README.kconfig for further information of Kconfig.
 #
 # Copyright (C) 2014, Masahiro Yamada <yamada.m@jp.panasonic.com>
 #
 # SPDX-License-Identifier:	GPL-2.0+
 #

 set -e

 # Set "DEBUG" enavironment variable to show debug messages
 debug () {
 	if [ $DEBUG ]; then
 		echo "$@"
 	fi
 }

 # Useful shorthands
 build () {
 	debug $progname: $MAKE -f $srctree/scripts/Makefile.build obj="$@"
 	$MAKE -f $srctree/scripts/Makefile.build obj="$@"
 }

 autoconf () {
 	debug $progname: $MAKE -f $srctree/scripts/Makefile.autoconf obj="$@"
 	$MAKE -f $srctree/scripts/Makefile.autoconf obj="$@"
 }

 # Make a configuration target
 # Usage:
 #   run_make_config <target> <objdir>
 # <target>: Make target such as "config", "menuconfig", "defconfig", etc.
 # <objdir>: Target directory where the make command is run.
 #           Typically "", "spl", "tpl" for Normal, SPL, TPL, respectively.
 run_make_config () {
 	target=$1
 	objdir=$2

 	# Linux expects defconfig files in arch/$(SRCARCH)/configs/ directory,
 	# but U-Boot has them in configs/ directory.
 	# Give SRCARCH=.. to fake scripts/kconfig/Makefile.
 	options="SRCARCH=.. KCONFIG_OBJDIR=$objdir"
 	if [ "$objdir" ]; then
 		options="$options KCONFIG_CONFIG=$objdir/$KCONFIG_CONFIG"
 		mkdir -p $objdir
 	fi

 	build scripts/kconfig $options $target
 }

 # Parse .config file to detect if CONFIG_SPL, CONFIG_TPL is enabled
 # and returns:
 #   ""        if neither CONFIG_SPL nor CONFIG_TPL is defined
 #   "spl"     if CONFIG_SPL is defined but CONFIG_TPL is not
 #   "spl tpl" if both CONFIG_SPL and CONFIG_TPL are defined
 get_enabled_subimages() {
 	if [ ! -r "$KCONFIG_CONFIG" ]; then
 		# This should never happen
 		echo "$progname: $KCONFIG_CONFIG not found" >&2
 		exit 1
 	fi

 	# CONFIG_SPL=y -> spl
 	# CONFIG_TPL=y -> tpl
 	sed -n -e 's/^CONFIG_SPL=y$/spl/p' -e 's/^CONFIG_TPL=y$/tpl/p' \
 							 $KCONFIG_CONFIG
 }

 do_silentoldconfig () {
 	run_make_config silentoldconfig
 	subimages=$(get_enabled_subimages)

 	for obj in $subimages
 	do
 		mkdir -p $obj/include/config $obj/include/generated
 		run_make_config silentoldconfig $obj
 	done

 	# If the following part fails, include/config/auto.conf should be
 	# deleted so "make silentoldconfig" will be re-run on the next build.
 	autoconf include include/autoconf.mk include/autoconf.mk.dep || {
 		rm -f include/config/auto.conf
 		exit 1
 	}

 	# include/config.h has been updated after "make silentoldconfig".
 	# We need to touch include/config/auto.conf so it gets newer
 	# than include/config.h.
 	# Otherwise, 'make silentoldconfig' would be invoked twice.
 	touch include/config/auto.conf

 	for obj in $subimages
 	do
 		autoconf $obj/include $obj/include/autoconf.mk || {
 			rm -f include/config/auto.conf
 			exit 1
 		}
 	done
 }

 cleanup_after_defconfig () {
 	rm -f configs/.tmp_defconfig
 	# ignore 'Directory not empty' error
 	# without using non-POSIX option '--ignore-fail-on-non-empty'
 	rmdir arch configs 2>/dev/null || true
 }

 # Usage:
 #  do_board_defconfig <board>_defconfig
 do_board_defconfig () {
 	defconfig_path=$srctree/configs/$1
 	tmp_defconfig_path=configs/.tmp_defconfig

 	# amlogic configs folder support
 	if [ ! -r $defconfig_path ]; then
 		defconfig_path=$srctree/board/amlogic/defconfigs/$1
 	fi
 	# amlogic customer configs support
 	if [ ! -r $defconfig_path ]; then
 		defconfig_path=$srctree/customer/board/defconfigs/$1
 	fi

 	if [ ! -r $defconfig_path ]; then
 		echo >&2 "***"
 		echo >&2 "*** Can't find default configuration \"configs/$1\"!"
 		echo >&2 "***"
 		exit 1
 	fi

 	mkdir -p arch configs
 	# defconfig for Normal:
 	#  pick lines without prefixes and lines starting '+' prefix
 	#  and rip the prefixes off.
 	sed -n -e '/^[+A-Z]*:/!p' -e 's/^+[A-Z]*://p' $defconfig_path \
 						> configs/.tmp_defconfig

 	run_make_config .tmp_defconfig || {
 		cleanup_after_defconfig
 		exit 1
 	}

 	for img in $(get_enabled_subimages)
 	do
 		symbol=$(echo $img | cut -c 1 | tr '[a-z]' '[A-Z]')
 		# defconfig for SPL, TPL:
 		#   pick lines with 'S', 'T' prefix and rip the prefixes off
 		sed -n -e 's/^[+A-Z]*'$symbol'[A-Z]*://p' $defconfig_path \
 						> configs/.tmp_defconfig
 		run_make_config .tmp_defconfig $img || {
 			cleanup_after_defconfig
 			exit 1
 		}
 	done

 	cleanup_after_defconfig
 }

 do_defconfig () {
 	if [ "$KBUILD_DEFCONFIG" ]; then
 		do_board_defconfig $KBUILD_DEFCONFIG
 		echo "*** Default configuration is based on '$KBUILD_DEFCONFIG'"
 	else
 		run_make_config defconfig
 	fi
 }

 do_board_felconfig () {
     do_board_defconfig ${1%%_felconfig}_defconfig
     if ! grep -q CONFIG_ARCH_SUNXI=y .config || ! grep -q CONFIG_SPL=y .config ; then
 	echo "$progname: Cannot felconfig a non-sunxi or non-SPL platform" >&2
 	exit 1
     fi
     sed -i -e 's/\# CONFIG_SPL_FEL is not set/CONFIG_SPL_FEL=y/g' \
 	.config spl/.config
 }

 do_savedefconfig () {
 	if [ -r "$KCONFIG_CONFIG" ]; then
 		subimages=$(get_enabled_subimages)
 	else
 		subimages=
 	fi

 	run_make_config savedefconfig

 	output_lines=

 	# -r option is necessay because some string-type configs may include
 	# backslashes as an escape character
 	while read -r line
 	do
 		output_lines="$output_lines%$line"
 	done < defconfig

 	for img in $subimages
 	do
 		run_make_config savedefconfig $img

 		symbol=$(echo $img | cut -c 1 | tr '[a-z]' '[A-Z]')
 		unmatched=

 		while read -r line
 		do
 			tmp=
 			match=

 			# "# CONFIG_FOO is not set" should not be divided.
 			# Use "%" as a separator, instead of a whitespace.
 			# "%" is unlikely to appear in defconfig context.
 			save_IFS=$IFS
 			IFS=%
 			# coalesce common lines together
 			for i in $output_lines
 			do
 				case "$i" in
 				[+A-Z]*:$line)
 					tmp="$tmp%$unmatched"
 					i=$(echo "$i" | \
 					    sed -e "s/^\([^:]*\)/\1$symbol/")
 					tmp="$tmp%$i"
 					match=1
 					;;
 				$line)
 					tmp="$tmp%$unmatched"
 					tmp="$tmp%+$symbol:$i"
 					match=1
 					;;
 				*)
 					tmp="$tmp%$i"
 					;;
 				esac
 			done

 			# Restore the default separator for the outer for loop.
 			IFS=$save_IFS

 			if [ "$match" ]; then
 				output_lines="$tmp"
 				unmatched=
 			else
 				unmatched="$unmatched%$symbol:$line"
 			fi
 		done < defconfig

 		output_lines="$output_lines%$unmatched"
 	done

 	rm -f defconfig
 	touch defconfig

 	save_IFS=$IFS
 	IFS=%

 	for line in $output_lines
 	do
 		case "$line" in
 		"")
 			# do not output blank lines
 			;;
 		*)
 			echo $line >> defconfig
 			;;
 		esac
 	done

 	IFS=$save_IFS
 }

 # Some sanity checks before running "make <objdir>/<target>",
 # where <objdir> should be either "spl" or "tpl".
 # Doing "make spl/menuconfig" etc. on a non-SPL board makes no sense.
 # It should be allowed only when ".config" exists and "CONFIG_SPL" is enabled.
 #
 # Usage:
 #   check_enabled_sumbimage <objdir>/<target> <objdir>
 check_enabled_subimage () {

 	case $2 in
 	spl|tpl) ;;
 	*)
 		echo >&2 "***"
 		echo >&2 "*** \"make $1\" is not supported."
 		echo >&2 "***"
 		exit 1
 		;;
 	esac
 	test -r "$KCONFIG_CONFIG" && get_enabled_subimages | grep -q $2 || {
 		config=CONFIG_$(echo $2 | tr '[a-z]' '[A-Z]')

 		echo >&2 "***"
 		echo >&2 "*** Create \"$KCONFIG_CONFIG\" with \"$config\" enabled"
 		echo >&2 "*** before \"make $1\"."
 		echo >&2 "***"
 		exit 1
 	}
 }

 # Usage:
 #   do_others <objdir>/<target>
 # The field "<objdir>/" is typically empy, "spl/", "tpl/" for Normal, SPL, TPL,
 # respectively.
 # The field "<target>" is a configuration target such as "config",
 # "menuconfig", etc.
 do_others () {
 	target=${1##*/}

 	if [ "$target" = "$1" ]; then
 		objdir=
 	else
 		objdir=${1%/*}
 		check_enabled_subimage $1 $objdir

 		if [ -f "$objdir/$KCONFIG_CONFIG" ]; then
 			timestamp_before=$(stat --printf="%Y" \
 						$objdir/$KCONFIG_CONFIG)
 		fi
 	fi

 	run_make_config $target $objdir

 	if [ "$timestamp_before" -a -f "$objdir/$KCONFIG_CONFIG" ]; then
 		timestamp_after=$(stat --printf="%Y" $objdir/$KCONFIG_CONFIG)

 		if [ "$timestamp_after" -gt "$timestamp_before" ]; then
 			# $objdir/.config has been updated.
 			# touch .config to invoke "make silentoldconfig"
 			touch $KCONFIG_CONFIG
 		fi
 	fi
 }

 progname=$(basename $0)
 target=$1

 case $target in
 *_defconfig)
 	do_board_defconfig $target;;
 *_felconfig)
 	do_board_felconfig $target;;
 *_config)
 	# backward compatibility
 	do_board_defconfig ${target%_config}_defconfig;;
 silentoldconfig)
 	do_silentoldconfig;;
 defconfig)
 	do_defconfig;;
 savedefconfig)
 	do_savedefconfig;;
 *)
 	do_others $target;;
 esac
	#!/bin/sh
	#
	# A wrapper script to adjust Kconfig for U-Boot
	#
	# Instead of touching various parts under the scripts/kconfig/ directory,
	# pushing necessary adjustments into this single script would be better
	# for code maintainance. All the make targets related to the configuration
	# (make %config) should be invoked via this script.
	# See doc/README.kconfig for further information of Kconfig.
	#
	# Copyright (C) 2014, Masahiro Yamada <yamada.m@jp.panasonic.com>
	#
	# SPDX-License-Identifier: GPL-2.0+
	#

	set -e

	# Set "DEBUG" enavironment variable to show debug messages
	debug () {
	if [ $DEBUG ]; then
	echo "$@"
	fi
	}

	# Useful shorthands
	build () {
	debug $progname: $MAKE -f $srctree/scripts/Makefile.build obj="$@"
	$MAKE -f $srctree/scripts/Makefile.build obj="$@"
	}

	autoconf () {
	debug $progname: $MAKE -f $srctree/scripts/Makefile.autoconf obj="$@"
	$MAKE -f $srctree/scripts/Makefile.autoconf obj="$@"
	}

	# Make a configuration target
	# Usage:
	# run_make_config <target> <objdir>
	# <target>: Make target such as "config", "menuconfig", "defconfig", etc.
	# <objdir>: Target directory where the make command is run.
	# Typically "", "spl", "tpl" for Normal, SPL, TPL, respectively.
	run_make_config () {
	target=$1
	objdir=$2

	# Linux expects defconfig files in arch/$(SRCARCH)/configs/ directory,
	# but U-Boot has them in configs/ directory.
	# Give SRCARCH=.. to fake scripts/kconfig/Makefile.
	options="SRCARCH=.. KCONFIG_OBJDIR=$objdir"
	if [ "$objdir" ]; then
	options="$options KCONFIG_CONFIG=$objdir/$KCONFIG_CONFIG"
	mkdir -p $objdir
	fi

	build scripts/kconfig $options $target
	}

	# Parse .config file to detect if CONFIG_SPL, CONFIG_TPL is enabled
	# and returns:
	# "" if neither CONFIG_SPL nor CONFIG_TPL is defined
	# "spl" if CONFIG_SPL is defined but CONFIG_TPL is not
	# "spl tpl" if both CONFIG_SPL and CONFIG_TPL are defined
	get_enabled_subimages() {
	if [ ! -r "$KCONFIG_CONFIG" ]; then
	# This should never happen
	echo "$progname: $KCONFIG_CONFIG not found" >&2
	exit 1
	fi

	# CONFIG_SPL=y -> spl
	# CONFIG_TPL=y -> tpl
	sed -n -e 's/^CONFIG_SPL=y$/spl/p' -e 's/^CONFIG_TPL=y$/tpl/p' \
	$KCONFIG_CONFIG
	}

	do_silentoldconfig () {
	run_make_config silentoldconfig
	subimages=$(get_enabled_subimages)

	for obj in $subimages
	do
	mkdir -p $obj/include/config $obj/include/generated
	run_make_config silentoldconfig $obj
	done

	# If the following part fails, include/config/auto.conf should be
	# deleted so "make silentoldconfig" will be re-run on the next build.
	autoconf include include/autoconf.mk include/autoconf.mk.dep \|\| {
	rm -f include/config/auto.conf
	exit 1
	}

	# include/config.h has been updated after "make silentoldconfig".
	# We need to touch include/config/auto.conf so it gets newer
	# than include/config.h.
	# Otherwise, 'make silentoldconfig' would be invoked twice.
	touch include/config/auto.conf

	for obj in $subimages
	do
	autoconf $obj/include $obj/include/autoconf.mk \|\| {
	rm -f include/config/auto.conf
	exit 1
	}
	done
	}

	cleanup_after_defconfig () {
	rm -f configs/.tmp_defconfig
	# ignore 'Directory not empty' error
	# without using non-POSIX option '--ignore-fail-on-non-empty'
	rmdir arch configs 2>/dev/null \|\| true
	}

	# Usage:
	# do_board_defconfig <board>_defconfig
	do_board_defconfig () {
	defconfig_path=$srctree/configs/$1
	tmp_defconfig_path=configs/.tmp_defconfig

	# amlogic configs folder support
	if [ ! -r $defconfig_path ]; then
	defconfig_path=$srctree/board/amlogic/defconfigs/$1
	fi
	# amlogic customer configs support
	if [ ! -r $defconfig_path ]; then
	defconfig_path=$srctree/customer/board/defconfigs/$1
	fi

	if [ ! -r $defconfig_path ]; then
	echo >&2 "***"
	echo >&2 "*** Can't find default configuration \"configs/$1\"!"
	echo >&2 "***"
	exit 1
	fi

	mkdir -p arch configs
	# defconfig for Normal:
	# pick lines without prefixes and lines starting '+' prefix
	# and rip the prefixes off.
	sed -n -e '/^[+A-Z]:/!p' -e 's/^+[A-Z]://p' $defconfig_path \
	> configs/.tmp_defconfig

	run_make_config .tmp_defconfig \|\| {
	cleanup_after_defconfig
	exit 1
	}

	for img in $(get_enabled_subimages)
	do
	symbol=$(echo $img \| cut -c 1 \| tr '[a-z]' '[A-Z]')
	# defconfig for SPL, TPL:
	# pick lines with 'S', 'T' prefix and rip the prefixes off
	sed -n -e 's/^[+A-Z]'$symbol'[A-Z]://p' $defconfig_path \
	> configs/.tmp_defconfig
	run_make_config .tmp_defconfig $img \|\| {
	cleanup_after_defconfig
	exit 1
	}
	done

	cleanup_after_defconfig
	}

	do_defconfig () {
	if [ "$KBUILD_DEFCONFIG" ]; then
	do_board_defconfig $KBUILD_DEFCONFIG
	echo "*** Default configuration is based on '$KBUILD_DEFCONFIG'"
	else
	run_make_config defconfig
	fi
	}

	do_board_felconfig () {
	do_board_defconfig ${1%%_felconfig}_defconfig
	if ! grep -q CONFIG_ARCH_SUNXI=y .config \|\| ! grep -q CONFIG_SPL=y .config ; then
	echo "$progname: Cannot felconfig a non-sunxi or non-SPL platform" >&2
	exit 1
	fi
	sed -i -e 's/\# CONFIG_SPL_FEL is not set/CONFIG_SPL_FEL=y/g' \
	.config spl/.config
	}

	do_savedefconfig () {
	if [ -r "$KCONFIG_CONFIG" ]; then
	subimages=$(get_enabled_subimages)
	else
	subimages=
	fi

	run_make_config savedefconfig

	output_lines=

	# -r option is necessay because some string-type configs may include
	# backslashes as an escape character
	while read -r line
	do
	output_lines="$output_lines%$line"
	done < defconfig

	for img in $subimages
	do
	run_make_config savedefconfig $img

	symbol=$(echo $img \| cut -c 1 \| tr '[a-z]' '[A-Z]')
	unmatched=

	while read -r line
	do
	tmp=
	match=

	# "# CONFIG_FOO is not set" should not be divided.
	# Use "%" as a separator, instead of a whitespace.
	# "%" is unlikely to appear in defconfig context.
	save_IFS=$IFS
	IFS=%
	# coalesce common lines together
	for i in $output_lines
	do
	case "$i" in
	[+A-Z]*:$line)
	tmp="$tmp%$unmatched"
	i=$(echo "$i" \| \
	sed -e "s/^\([^:]*\)/\1$symbol/")
	tmp="$tmp%$i"
	match=1
	;;
	$line)
	tmp="$tmp%$unmatched"
	tmp="$tmp%+$symbol:$i"
	match=1
	;;
	*)
	tmp="$tmp%$i"
	;;
	esac
	done

	# Restore the default separator for the outer for loop.
	IFS=$save_IFS

	if [ "$match" ]; then
	output_lines="$tmp"
	unmatched=
	else
	unmatched="$unmatched%$symbol:$line"
	fi
	done < defconfig

	output_lines="$output_lines%$unmatched"
	done

	rm -f defconfig
	touch defconfig

	save_IFS=$IFS
	IFS=%

	for line in $output_lines
	do
	case "$line" in
	"")
	# do not output blank lines
	;;
	*)
	echo $line >> defconfig
	;;
	esac
	done

	IFS=$save_IFS
	}

	# Some sanity checks before running "make <objdir>/<target>",
	# where <objdir> should be either "spl" or "tpl".
	# Doing "make spl/menuconfig" etc. on a non-SPL board makes no sense.
	# It should be allowed only when ".config" exists and "CONFIG_SPL" is enabled.
	#
	# Usage:
	# check_enabled_sumbimage <objdir>/<target> <objdir>
	check_enabled_subimage () {

	case $2 in
	spl\|tpl) ;;
	*)
	echo >&2 "***"
	echo >&2 "*** \"make $1\" is not supported."
	echo >&2 "***"
	exit 1
	;;
	esac
	test -r "$KCONFIG_CONFIG" && get_enabled_subimages \| grep -q $2 \|\| {
	config=CONFIG_$(echo $2 \| tr '[a-z]' '[A-Z]')

	echo >&2 "***"
	echo >&2 "*** Create \"$KCONFIG_CONFIG\" with \"$config\" enabled"
	echo >&2 "*** before \"make $1\"."
	echo >&2 "***"
	exit 1
	}
	}

	# Usage:
	# do_others <objdir>/<target>
	# The field "<objdir>/" is typically empy, "spl/", "tpl/" for Normal, SPL, TPL,
	# respectively.
	# The field "<target>" is a configuration target such as "config",
	# "menuconfig", etc.
	do_others () {
	target=${1##*/}

	if [ "$target" = "$1" ]; then
	objdir=
	else
	objdir=${1%/*}
	check_enabled_subimage $1 $objdir

	if [ -f "$objdir/$KCONFIG_CONFIG" ]; then
	timestamp_before=$(stat --printf="%Y" \
	$objdir/$KCONFIG_CONFIG)
	fi
	fi

	run_make_config $target $objdir

	if [ "$timestamp_before" -a -f "$objdir/$KCONFIG_CONFIG" ]; then
	timestamp_after=$(stat --printf="%Y" $objdir/$KCONFIG_CONFIG)

	if [ "$timestamp_after" -gt "$timestamp_before" ]; then
	# $objdir/.config has been updated.
	# touch .config to invoke "make silentoldconfig"
	touch $KCONFIG_CONFIG
	fi
	fi
	}

	progname=$(basename $0)
	target=$1

	case $target in
	*_defconfig)
	do_board_defconfig $target;;
	*_felconfig)
	do_board_felconfig $target;;
	*_config)
	# backward compatibility
	do_board_defconfig ${target%_config}_defconfig;;
	silentoldconfig)
	do_silentoldconfig;;
	defconfig)
	do_defconfig;;
	savedefconfig)
	do_savedefconfig;;
	*)
	do_others $target;;
	esac