scripts/kconfig/merge_config.sh

2 # SPDX-License-Identifier: GPL-2.0
4 #  merge_config.sh - Takes a list of config fragment values, and merges
10 #  http://git.yoctoproject.org/cgit/cgit.cgi/yocto-kernel-tools/tree/tools/kconf_check
11 #  http://git.yoctoproject.org/cgit/cgit.cgi/yocto-kernel-tools/tree/tools/generate_cfg
13 #  Copyright (c) 2009-2010 Wind River Systems, Inc.
16 set -e
19 	rm -f $TMP_FILE
20 	rm -f $MERGE_FILE
25 	echo "  -h    display this help text"
26 	echo "  -m    only merge the fragments, do not execute the make command"
27 	echo "  -n    use allnoconfig instead of alldefconfig"
28 	echo "  -r    list redundant entries when merging fragments"
29 	echo "  -y    make builtin have precedence over modules"
30 	echo "  -O    dir to put generated output files.  Consider setting \$KCONFIG_CONFIG instead."
40 CONFIG_PREFIX=${CONFIG_-CONFIG_}
44 	"-n")
49 	"-m")
54 	"-h")
58 	"-r")
63 	"-y")
68 	"-O")
69 		if [ -d $2 ];then
84 if [ "$#" -lt 1 ] ; then
89 if [ -z "$KCONFIG_CONFIG" ]; then
91 		KCONFIG_CONFIG=$(readlink -m -- "$OUTPUT/.config")
100 if [ ! -r "$INITFILE" ]; then
106 SED_CONFIG_EXP1="s/^\(${CONFIG_PREFIX}[a-zA-Z0-9_]*\)=.*/\1/p"
107 SED_CONFIG_EXP2="s/^# \(${CONFIG_PREFIX}[a-zA-Z0-9_]*\) is not set$/\1/p"
121 	if [ ! -r "$ORIG_MERGE_FILE" ]; then
126 	CFG_LIST=$(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $MERGE_FILE)
129 		grep -q -w $CFG $TMP_FILE || continue
130 		PREV_VAL=$(grep -w $CFG $TMP_FILE)
131 		NEW_VAL=$(grep -w $CFG $MERGE_FILE)
136 			echo -y passed, will not demote y to m
148 			sed -i "/$CFG[ =]/d" $TMP_FILE
150 			sed -i "/$CFG[ =]/d" $MERGE_FILE
157 	cp -T -- "$TMP_FILE" "$KCONFIG_CONFIG"
178 # Check all specified config values took (might have missed-dependency issues)
179 for CFG in $(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $TMP_FILE); do
181 	REQUESTED_VAL=$(grep -w -e "$CFG" $TMP_FILE)
182 	ACTUAL_VAL=$(grep -w -e "$CFG" "$KCONFIG_CONFIG" || true)