diff options
Diffstat (limited to 'scripts/kconfig/merge_config.sh')
| -rwxr-xr-x | scripts/kconfig/merge_config.sh | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh index 0ef906499646b..d924c51d28b7b 100755 --- a/scripts/kconfig/merge_config.sh +++ b/scripts/kconfig/merge_config.sh @@ -1,4 +1,6 @@ #!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# # merge_config.sh - Takes a list of config fragment values, and merges # them one by one. Provides warnings on overridden values, and specified # values that did not make it to the resulting .config file (due to missed @@ -10,18 +12,10 @@ # # Copyright (c) 2009-2010 Wind River Systems, Inc. # Copyright 2011 Linaro -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# See the GNU General Public License for more details. clean_up() { rm -f $TMP_FILE + rm -f $MERGE_FILE exit } trap clean_up HUP INT TERM @@ -32,6 +26,7 @@ usage() { echo " -m only merge the fragments, do not execute the make command" echo " -n use allnoconfig instead of alldefconfig" echo " -r list redundant entries when merging fragments" + echo " -y make builtin have precedence over modules" echo " -O dir to put generated output files. Consider setting \$KCONFIG_CONFIG instead." echo echo "Used prefix: '$CONFIG_PREFIX'. You can redefine it with \$CONFIG_ environment variable." @@ -40,6 +35,7 @@ usage() { RUNMAKE=true ALLTARGET=alldefconfig WARNREDUN=false +BUILTIN=false OUTPUT=. CONFIG_PREFIX=${CONFIG_-CONFIG_} @@ -64,6 +60,11 @@ while true; do shift continue ;; + "-y") + BUILTIN=true + shift + continue + ;; "-O") if [ -d $2 ];then OUTPUT=$(echo $2 | sed 's/\/*$//') @@ -106,32 +107,45 @@ SED_CONFIG_EXP1="s/^\(${CONFIG_PREFIX}[a-zA-Z0-9_]*\)=.*/\1/p" SED_CONFIG_EXP2="s/^# \(${CONFIG_PREFIX}[a-zA-Z0-9_]*\) is not set$/\1/p" TMP_FILE=$(mktemp ./.tmp.config.XXXXXXXXXX) +MERGE_FILE=$(mktemp ./.merge_tmp.config.XXXXXXXXXX) echo "Using $INITFILE as base" cat $INITFILE > $TMP_FILE # Merge files, printing warnings on overridden values -for MERGE_FILE in $MERGE_LIST ; do - echo "Merging $MERGE_FILE" - if [ ! -r "$MERGE_FILE" ]; then - echo "The merge file '$MERGE_FILE' does not exist. Exit." >&2 +for ORIG_MERGE_FILE in $MERGE_LIST ; do + echo "Merging $ORIG_MERGE_FILE" + if [ ! -r "$ORIG_MERGE_FILE" ]; then + echo "The merge file '$ORIG_MERGE_FILE' does not exist. Exit." >&2 exit 1 fi + cat $ORIG_MERGE_FILE > $MERGE_FILE CFG_LIST=$(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $MERGE_FILE) for CFG in $CFG_LIST ; do grep -q -w $CFG $TMP_FILE || continue PREV_VAL=$(grep -w $CFG $TMP_FILE) NEW_VAL=$(grep -w $CFG $MERGE_FILE) - if [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then - echo Value of $CFG is redefined by fragment $MERGE_FILE: + BUILTIN_FLAG=false + if [ "$BUILTIN" = "true" ] && [ "${NEW_VAL#CONFIG_*=}" = "m" ] && [ "${PREV_VAL#CONFIG_*=}" = "y" ]; then + echo Previous value: $PREV_VAL + echo New value: $NEW_VAL + echo -y passed, will not demote y to m + echo + BUILTIN_FLAG=true + elif [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then + echo Value of $CFG is redefined by fragment $ORIG_MERGE_FILE: echo Previous value: $PREV_VAL echo New value: $NEW_VAL echo elif [ "$WARNREDUN" = "true" ]; then - echo Value of $CFG is redundant by fragment $MERGE_FILE: + echo Value of $CFG is redundant by fragment $ORIG_MERGE_FILE: + fi + if [ "$BUILTIN_FLAG" = "false" ]; then + sed -i "/$CFG[ =]/d" $TMP_FILE + else + sed -i "/$CFG[ =]/d" $MERGE_FILE fi - sed -i "/$CFG[ =]/d" $TMP_FILE done cat $MERGE_FILE >> $TMP_FILE done |