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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-11-05 11:19:36 +0300
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-11-11 17:04:51 +0300
commit6bbe4385d035c6fac56f840a59861a0310ce137b (patch)
tree6a1ee008c52f402b8dc93c343aaea45c167ba7cf /scripts/kconfig
parent02826a6ba301b72461c3706e1cc66d5571cd327e (diff)
downloadlinux-6bbe4385d035c6fac56f840a59861a0310ce137b.tar.xz
kconfig: merge_config: avoid false positive matches from comment lines
The current SED_CONFIG_EXP could match to comment lines in config fragment files, especially when CONFIG_PREFIX_ is empty. For example, Buildroot uses empty prefixing; starting symbols with BR2_ is just convention. Make the sed expression more robust against false positives from comment lines. The new sed expression matches to only valid patterns. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Petr Vorel <petr.vorel@gmail.com> Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Diffstat (limited to 'scripts/kconfig')
-rwxr-xr-xscripts/kconfig/merge_config.sh7
1 files changed, 4 insertions, 3 deletions
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index da66e7742282..0ef906499646 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -102,7 +102,8 @@ if [ ! -r "$INITFILE" ]; then
fi
MERGE_LIST=$*
-SED_CONFIG_EXP="s/^\(# \)\{0,1\}\(${CONFIG_PREFIX}[a-zA-Z0-9_]*\)[= ].*/\2/p"
+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)
@@ -116,7 +117,7 @@ for MERGE_FILE in $MERGE_LIST ; do
echo "The merge file '$MERGE_FILE' does not exist. Exit." >&2
exit 1
fi
- CFG_LIST=$(sed -n "$SED_CONFIG_EXP" $MERGE_FILE)
+ CFG_LIST=$(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $MERGE_FILE)
for CFG in $CFG_LIST ; do
grep -q -w $CFG $TMP_FILE || continue
@@ -159,7 +160,7 @@ make KCONFIG_ALLCONFIG=$TMP_FILE $OUTPUT_ARG $ALLTARGET
# Check all specified config values took (might have missed-dependency issues)
-for CFG in $(sed -n "$SED_CONFIG_EXP" $TMP_FILE); do
+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")