# Finally, we need a list of the valid Kconfig options to exclude these from
# the whitelist.
cat `find . -name "Kconfig*"` |sed -n \
- -e 's/^config *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \
- -e 's/^menuconfig *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \
+ -e 's/^\s*config *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \
+ -e 's/^\s*menuconfig *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \
|sort |uniq >scripts/config_whitelist.txt.tmp2
# Use only the options that are present in the first file but not the second.