diff options
Diffstat (limited to 'scripts/kconfig/merge_config.sh')
| -rwxr-xr-x | scripts/kconfig/merge_config.sh | 52 |
1 files changed, 37 insertions, 15 deletions
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh index d924c51d28b7..902eb429b9db 100755 --- a/scripts/kconfig/merge_config.sh +++ b/scripts/kconfig/merge_config.sh @@ -13,12 +13,12 @@ # Copyright (c) 2009-2010 Wind River Systems, Inc. # Copyright 2011 Linaro +set -e + clean_up() { rm -f $TMP_FILE rm -f $MERGE_FILE - exit } -trap clean_up HUP INT TERM usage() { echo "Usage: $0 [OPTIONS] [CONFIG [...]]" @@ -28,6 +28,8 @@ usage() { echo " -r list redundant entries when merging fragments" echo " -y make builtin have precedence over modules" echo " -O dir to put generated output files. Consider setting \$KCONFIG_CONFIG instead." + echo " -s strict mode. Fail if the fragment redefines any value." + echo " -Q disable warning messages for overridden options." echo echo "Used prefix: '$CONFIG_PREFIX'. You can redefine it with \$CONFIG_ environment variable." } @@ -37,7 +39,9 @@ ALLTARGET=alldefconfig WARNREDUN=false BUILTIN=false OUTPUT=. +STRICT=false CONFIG_PREFIX=${CONFIG_-CONFIG_} +WARNOVERRIDE=echo while true; do case $1 in @@ -75,6 +79,16 @@ while true; do shift 2 continue ;; + "-s") + STRICT=true + shift + continue + ;; + "-Q") + WARNOVERRIDE=true + shift + continue + ;; *) break ;; @@ -110,6 +124,9 @@ TMP_FILE=$(mktemp ./.tmp.config.XXXXXXXXXX) MERGE_FILE=$(mktemp ./.merge_tmp.config.XXXXXXXXXX) echo "Using $INITFILE as base" + +trap clean_up EXIT + cat $INITFILE > $TMP_FILE # Merge files, printing warnings on overridden values @@ -128,18 +145,21 @@ for ORIG_MERGE_FILE in $MERGE_LIST ; do NEW_VAL=$(grep -w $CFG $MERGE_FILE) BUILTIN_FLAG=false if [ "$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 + ${WARNOVERRIDE} Previous value: $PREV_VAL + ${WARNOVERRIDE} New value: $NEW_VAL + ${WARNOVERRIDE} -y passed, will not demote y to m + ${WARNOVERRIDE} BUILTIN_FLAG=true elif [ "x$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 + ${WARNOVERRIDE} Value of $CFG is redefined by fragment $ORIG_MERGE_FILE: + ${WARNOVERRIDE} Previous value: $PREV_VAL + ${WARNOVERRIDE} New value: $NEW_VAL + ${WARNOVERRIDE} + if [ "$STRICT" = "true" ]; then + STRICT_MODE_VIOLATED=true + fi elif [ "$WARNREDUN" = "true" ]; then - echo Value of $CFG is redundant by fragment $ORIG_MERGE_FILE: + ${WARNOVERRIDE} Value of $CFG is redundant by fragment $ORIG_MERGE_FILE: fi if [ "$BUILTIN_FLAG" = "false" ]; then sed -i "/$CFG[ =]/d" $TMP_FILE @@ -150,12 +170,16 @@ for ORIG_MERGE_FILE in $MERGE_LIST ; do cat $MERGE_FILE >> $TMP_FILE done +if [ "$STRICT_MODE_VIOLATED" = "true" ]; then + echo "The fragment redefined a value and strict mode had been passed." + exit 1 +fi + if [ "$RUNMAKE" = "false" ]; then cp -T -- "$TMP_FILE" "$KCONFIG_CONFIG" echo "#" echo "# merged configuration written to $KCONFIG_CONFIG (needs make)" echo "#" - clean_up exit fi @@ -177,7 +201,7 @@ make KCONFIG_ALLCONFIG=$TMP_FILE $OUTPUT_ARG $ALLTARGET for CFG in $(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $TMP_FILE); do REQUESTED_VAL=$(grep -w -e "$CFG" $TMP_FILE) - ACTUAL_VAL=$(grep -w -e "$CFG" "$KCONFIG_CONFIG") + ACTUAL_VAL=$(grep -w -e "$CFG" "$KCONFIG_CONFIG" || true) if [ "x$REQUESTED_VAL" != "x$ACTUAL_VAL" ] ; then echo "Value requested for $CFG not in final .config" echo "Requested value: $REQUESTED_VAL" @@ -185,5 +209,3 @@ for CFG in $(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $TMP_FILE); do echo "" fi done - -clean_up |