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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 $MERGE_FILE
25 echo " -h display this help text"
26 echo " -m only merge the fragments, do not execute the make command"
27 echo " -n use allnoconfig instead of alldefconfig"
28 echo " -r list redundant entries when merging fragments"
29 echo " -y make builtin have precedence over modules"
30 echo " -O dir to put generated output files. Consider setting \$KCONFIG_CONFIG instead."
31 echo " -s strict mode. Fail if the fragment redefines any value."
32 echo " -Q disable warning messages for overridden options."
43 CONFIG_PREFIX=${CONFIG_-CONFIG_}
48 "-n")
53 "-m")
58 "-h")
62 "-r")
67 "-y")
72 "-O")
73 if [ -d $2 ];then
82 "-s")
87 "-Q")
98 if [ "$#" -lt 1 ] ; then
103 if [ -z "$KCONFIG_CONFIG" ]; then
105 KCONFIG_CONFIG=$(readlink -m -- "$OUTPUT/.config")
114 if [ ! -r "$INITFILE" ]; then
120 SED_CONFIG_EXP1="s/^\(${CONFIG_PREFIX}[a-zA-Z0-9_]*\)=.*/\1/p"
121 SED_CONFIG_EXP2="s/^# \(${CONFIG_PREFIX}[a-zA-Z0-9_]*\) is not set$/\1/p"
135 if [ ! -r "$ORIG_MERGE_FILE" ]; then
140 CFG_LIST=$(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $MERGE_FILE)
143 grep -q -w $CFG $TMP_FILE || continue
144 PREV_VAL=$(grep -w $CFG $TMP_FILE)
145 NEW_VAL=$(grep -w $CFG $MERGE_FILE)
150 ${WARNOVERRIDE} -y passed, will not demote y to m
165 sed -i "/$CFG[ =]/d" $TMP_FILE
167 sed -i "/$CFG[ =]/d" $MERGE_FILE
170 # In case the previous file lacks a new line at the end
176 echo "The fragment redefined a value and strict mode had been passed."
181 cp -T -- "$TMP_FILE" "$KCONFIG_CONFIG"
202 # Check all specified config values took (might have missed-dependency issues)
203 for CFG in $(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $TMP_FILE); do
205 REQUESTED_VAL=$(grep -w -e "$CFG" $TMP_FILE)
206 ACTUAL_VAL=$(grep -w -e "$CFG" "$KCONFIG_CONFIG" || true)