forked from luck/tmp_suning_uos_patched
a3ee9470e6
Alek reported that on Ubuntu, where dash is used, 'echo -e' can't work, so let's use non-builtin echo in this case. Reported-by: Alek Du <alek.du@intel.com> Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
60 lines
1.8 KiB
Bash
Executable File
60 lines
1.8 KiB
Bash
Executable File
#!/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_\([0-9A-Z_]\+\).*!\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
|