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 17set -e 18set -u 19 20PROG_NAME="${0##*/}" 21 22usage() { 23 echo "$PROG_NAME <path to u-boot.cfg> <path to whitelist file> <source dir>" 24 exit 1 25} 26 27[ $# -ge 3 ] || usage 28 29path="$1" 30whitelist="$2" 31srctree="$3" 32 33# Temporary files 34configs="${path}.configs" 35suspects="${path}.suspects" 36ok="${path}.ok" 37new_adhoc="${path}.adhoc" 38 39export LC_ALL=C 40export LC_COLLATE=C 41 42cat ${path} |sed -nr 's/^#define (CONFIG_[A-Za-z0-9_]*).*/\1/p' |sort |uniq \ 43 >${configs} 44 45comm -23 ${configs} ${whitelist} > ${suspects} 46 47cat `find ${srctree} -name "Kconfig*"` |sed -nr \ 48 -e 's/^[[:blank:]]*config *([A-Za-z0-9_]*).*$/CONFIG_\1/p' \ 49 -e 's/^[[:blank:]]*menuconfig ([A-Za-z0-9_]*).*$/CONFIG_\1/p' \ 50 |sort |uniq > ${ok} 51comm -23 ${suspects} ${ok} >${new_adhoc} 52if [ -s ${new_adhoc} ]; then 53 echo >&2 "Error: You must add new CONFIG options using Kconfig" 54 echo >&2 "The following new ad-hoc CONFIG options were detected:" 55 cat >&2 ${new_adhoc} 56 echo >&2 57 echo >&2 "Please add these via Kconfig instead. Find a suitable Kconfig" 58 echo >&2 "file and add a 'config' or 'menuconfig' option." 59 # Don't delete the temporary files in case they are useful 60 exit 1 61else 62 rm ${suspects} ${ok} ${new_adhoc} 63fi 64