1#!/bin/sh 2# Copyright (c) 2016 Google, Inc 3# Written by Simon Glass <sjg@chromium.org> 4# 5# Check that the u-boot.cfg file provided does not introduce any new 6# ad-hoc CONFIG options 7# 8# Use scripts/build-whitelist.sh to generate the list of current ad-hoc 9# CONFIG options (those which are not in Kconfig). 10 11# Usage 12# check-config.sh <path to u-boot.cfg> <path to whitelist file> <source dir> 13# 14# For example: 15# scripts/check-config.sh b/chromebook_link/u-boot.cfg kconfig_whitelist.txt . 16 17path="$1" 18whitelist="$2" 19srctree="$3" 20 21# Temporary files 22configs="${path}.configs" 23suspects="${path}.suspects" 24ok="${path}.ok" 25new_adhoc="${path}.adhoc" 26 27export LC_ALL=C 28export LC_COLLATE=C 29 30cat ${path} |sed -n 's/^#define \(CONFIG_[A-Za-z0-9_]*\).*/\1/p' |sort |uniq \ 31 >${configs} 32 33comm -23 ${configs} ${whitelist} > ${suspects} 34 35cat `find ${srctree} -name "Kconfig*"` |sed -n \ 36 -e 's/^\s*config *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \ 37 -e 's/^\s*menuconfig \([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \ 38 |sort |uniq > ${ok} 39comm -23 ${suspects} ${ok} >${new_adhoc} 40if [ -s ${new_adhoc} ]; then 41 echo >&2 "Error: You must add new CONFIG options using Kconfig" 42 echo >&2 "The following new ad-hoc CONFIG options were detected:" 43 cat >&2 ${new_adhoc} 44 echo >&2 45 echo >&2 "Please add these via Kconfig instead. Find a suitable Kconfig" 46 echo >&2 "file and add a 'config' or 'menuconfig' option." 47 # Don't delete the temporary files in case they are useful 48 exit 1 49else 50 rm ${suspects} ${ok} ${new_adhoc} 51fi 52