1#!/bin/sh 2# Copyright (c) 2016 Google, Inc 3# Written by Simon Glass <sjg@chromium.org> 4# 5 6# This script creates the configuration whitelist file. This file contains 7# all the config options which are allowed to be used outside Kconfig. 8# Please do not add things to the whitelist. Instead, add your new option 9# to Kconfig. 10# 11export LC_ALL=C LC_COLLATE=C 12 13# There are two independent greps. The first pulls out the component parts 14# of CONFIG_SYS_EXTRA_OPTIONS. An example is: 15# 16# SUNXI_GMAC,AHCI,SATAPWR=SUNXI_GPB(8) 17# 18# We want this to produce: 19# CONFIG_SUNXI_GMAC 20# CONFIG_AHCI 21# CONFIG_SATAPWR 22# 23# The second looks for the rest of the CONFIG options, but excludes those in 24# Kconfig and defconfig files. 25# 26( 27git grep CONFIG_SYS_EXTRA_OPTIONS |sed -n \ 28 's/.*CONFIG_SYS_EXTRA_OPTIONS="\(.*\)"/\1/ p' \ 29 | tr , '\n' \ 30 | sed 's/ *\([A-Za-z0-9_]*\).*/CONFIG_\1/' 31 32git grep CONFIG_ | \ 33 egrep -vi "(Kconfig:|defconfig:|README|\.py|\.pl:)" \ 34 | tr ' \t' '\n\n' \ 35 | sed -n 's/^\(CONFIG_[A-Za-z0-9_]*\).*/\1/p' 36) \ 37 |sort |uniq >scripts/config_whitelist.txt.tmp1; 38 39# Finally, we need a list of the valid Kconfig options to exclude these from 40# the whitelist. 41cat `find . -name "Kconfig*"` |sed -n \ 42 -e 's/^config *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \ 43 -e 's/^menuconfig *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \ 44 |sort |uniq >scripts/config_whitelist.txt.tmp2 45 46# Use only the options that are present in the first file but not the second. 47comm -23 scripts/config_whitelist.txt.tmp1 scripts/config_whitelist.txt.tmp2 \ 48 |sort |uniq >scripts/config_whitelist.txt.tmp3 49 50# If scripts/config_whitelist.txt already exists, take the intersection of the 51# current list and the new one. We do not want to increase whitelist options. 52if [ -r scripts/config_whitelist.txt ]; then 53 comm -12 scripts/config_whitelist.txt.tmp3 scripts/config_whitelist.txt \ 54 > scripts/config_whitelist.txt.tmp4 55 mv scripts/config_whitelist.txt.tmp4 scripts/config_whitelist.txt 56else 57 mv scripts/config_whitelist.txt.tmp3 scripts/config_whitelist.txt 58fi 59 60rm scripts/config_whitelist.txt.tmp* 61 62unset LC_ALL LC_COLLATE 63