[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/scripts/checkkconfigsymbols.sh b/ap/os/linux/linux-3.4.x/scripts/checkkconfigsymbols.sh
new file mode 100755
index 0000000..2ca49bb
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/scripts/checkkconfigsymbols.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+# Find Kconfig variables used in source code but never defined in Kconfig
+# Copyright (C) 2007, Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
+
+# Tested with dash.
+paths="$@"
+[ -z "$paths" ] && paths=.
+
+# Doing this once at the beginning saves a lot of time, on a cache-hot tree.
+Kconfigs="`find . -name 'Kconfig' -o -name 'Kconfig*[^~]'`"
+
+/bin/echo -e "File list \tundefined symbol used"
+find $paths -name '*.[chS]' -o -name 'Makefile' -o -name 'Makefile*[^~]'| while read i
+do
+ # Output the bare Kconfig variable and the filename; the _MODULE part at
+ # the end is not removed here (would need perl an not-hungry regexp for that).
+ sed -ne 's!^.*\<\(UML_\)\?CONFIG_\([0-9A-Za-z_]\+\).*!\2 '$i'!p' < $i
+done | \
+# Smart "sort|uniq" implemented in awk and tuned to collect the names of all
+# files which use a given symbol
+awk '{map[$1, count[$1]++] = $2; }
+END {
+ for (combIdx in map) {
+ split(combIdx, separate, SUBSEP);
+ # The value may have been removed.
+ if (! ( (separate[1], separate[2]) in map ) )
+ continue;
+ symb=separate[1];
+ printf "%s ", symb;
+ #Use gawk extension to delete the names vector
+ delete names;
+ #Portably delete the names vector
+ #split("", names);
+ for (i=0; i < count[symb]; i++) {
+ names[map[symb, i]] = 1;
+ # Unfortunately, we may still encounter symb, i in the
+ # outside iteration.
+ delete map[symb, i];
+ }
+ i=0;
+ for (name in names) {
+ if (i > 0)
+ printf ", %s", name;
+ else
+ printf "%s", name;
+ i++;
+ }
+ printf "\n";
+ }
+}' |
+while read symb files; do
+ # Remove the _MODULE suffix when checking the variable name. This should
+ # be done only on tristate symbols, actually, but Kconfig parsing is
+ # beyond the purpose of this script.
+ symb_bare=`echo $symb | sed -e 's/_MODULE//'`
+ if ! grep -q "\<$symb_bare\>" $Kconfigs; then
+ /bin/echo -e "$files: \t$symb"
+ fi
+done|sort