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-rwxr-xr-xscripts/kconfig/merge_config.sh27
1 files changed, 15 insertions, 12 deletions
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index 2ab91b9b100d..ec8e20350a64 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -35,7 +35,7 @@ usage() {
echo " -O dir to put generated output files"
}
-MAKE=true
+RUNMAKE=true
ALLTARGET=alldefconfig
WARNREDUN=false
OUTPUT=.
@@ -48,7 +48,7 @@ while true; do
continue
;;
"-m")
- MAKE=false
+ RUNMAKE=false
shift
continue
;;
@@ -85,6 +85,11 @@ fi
INITFILE=$1
shift;
+if [ ! -r "$INITFILE" ]; then
+ echo "The base file '$INITFILE' does not exist. Exit." >&2
+ exit 1
+fi
+
MERGE_LIST=$*
SED_CONFIG_EXP="s/^\(# \)\{0,1\}\(CONFIG_[a-zA-Z0-9_]*\)[= ].*/\2/p"
TMP_FILE=$(mktemp ./.tmp.config.XXXXXXXXXX)
@@ -92,31 +97,29 @@ TMP_FILE=$(mktemp ./.tmp.config.XXXXXXXXXX)
echo "Using $INITFILE as base"
cat $INITFILE > $TMP_FILE
-# Merge files, printing warnings on overrided values
+# Merge files, printing warnings on overridden values
for MERGE_FILE in $MERGE_LIST ; do
echo "Merging $MERGE_FILE"
CFG_LIST=$(sed -n "$SED_CONFIG_EXP" $MERGE_FILE)
for CFG in $CFG_LIST ; do
- grep -q -w $CFG $TMP_FILE
- if [ $? -eq 0 ] ; then
- PREV_VAL=$(grep -w $CFG $TMP_FILE)
- NEW_VAL=$(grep -w $CFG $MERGE_FILE)
- if [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then
+ 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:
echo Previous value: $PREV_VAL
echo New value: $NEW_VAL
echo
- elif [ "$WARNREDUN" = "true" ]; then
+ elif [ "$WARNREDUN" = "true" ]; then
echo Value of $CFG is redundant by fragment $MERGE_FILE:
- fi
- sed -i "/$CFG[ =]/d" $TMP_FILE
fi
+ sed -i "/$CFG[ =]/d" $TMP_FILE
done
cat $MERGE_FILE >> $TMP_FILE
done
-if [ "$MAKE" = "false" ]; then
+if [ "$RUNMAKE" = "false" ]; then
cp $TMP_FILE $OUTPUT/.config
echo "#"
echo "# merged configuration written to $OUTPUT/.config (needs make)"