xref: /OK3568_Linux_fs/u-boot/scripts/check-config.sh (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun#!/bin/sh
2*4882a593Smuzhiyun# Copyright (c) 2016 Google, Inc
3*4882a593Smuzhiyun# Written by Simon Glass <sjg@chromium.org>
4*4882a593Smuzhiyun#
5*4882a593Smuzhiyun# Check that the u-boot.cfg file provided does not introduce any new
6*4882a593Smuzhiyun# ad-hoc CONFIG options
7*4882a593Smuzhiyun#
8*4882a593Smuzhiyun# Use scripts/build-whitelist.sh to generate the list of current ad-hoc
9*4882a593Smuzhiyun# CONFIG options (those which are not in Kconfig).
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun# Usage
12*4882a593Smuzhiyun#    check-config.sh <path to u-boot.cfg> <path to whitelist file> <source dir>
13*4882a593Smuzhiyun#
14*4882a593Smuzhiyun# For example:
15*4882a593Smuzhiyun#   scripts/check-config.sh b/chromebook_link/u-boot.cfg kconfig_whitelist.txt .
16*4882a593Smuzhiyun
17*4882a593Smuzhiyunpath="$1"
18*4882a593Smuzhiyunwhitelist="$2"
19*4882a593Smuzhiyunsrctree="$3"
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun# Temporary files
22*4882a593Smuzhiyunconfigs="${path}.configs"
23*4882a593Smuzhiyunsuspects="${path}.suspects"
24*4882a593Smuzhiyunok="${path}.ok"
25*4882a593Smuzhiyunnew_adhoc="${path}.adhoc"
26*4882a593Smuzhiyun
27*4882a593Smuzhiyunexport LC_ALL=C
28*4882a593Smuzhiyunexport LC_COLLATE=C
29*4882a593Smuzhiyun
30*4882a593Smuzhiyuncat ${path} |sed -n 's/^#define \(CONFIG_[A-Za-z0-9_]*\).*/\1/p' |sort |uniq \
31*4882a593Smuzhiyun	>${configs}
32*4882a593Smuzhiyun
33*4882a593Smuzhiyuncomm -23 ${configs} ${whitelist} > ${suspects}
34*4882a593Smuzhiyun
35*4882a593Smuzhiyuncat `find ${srctree} -name "Kconfig*"` |sed -n \
36*4882a593Smuzhiyun	-e 's/^\s*config *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \
37*4882a593Smuzhiyun	-e 's/^\s*menuconfig \([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \
38*4882a593Smuzhiyun	|sort |uniq > ${ok}
39*4882a593Smuzhiyuncomm -23 ${suspects} ${ok} >${new_adhoc}
40*4882a593Smuzhiyunif [ -s ${new_adhoc} ]; then
41*4882a593Smuzhiyun	echo >&2 "Error: You must add new CONFIG options using Kconfig"
42*4882a593Smuzhiyun	echo >&2 "The following new ad-hoc CONFIG options were detected:"
43*4882a593Smuzhiyun	cat >&2 ${new_adhoc}
44*4882a593Smuzhiyun	echo >&2
45*4882a593Smuzhiyun	echo >&2 "Please add these via Kconfig instead. Find a suitable Kconfig"
46*4882a593Smuzhiyun	echo >&2 "file and add a 'config' or 'menuconfig' option."
47*4882a593Smuzhiyun	# Don't delete the temporary files in case they are useful
48*4882a593Smuzhiyun	exit 1
49*4882a593Smuzhiyunelse
50*4882a593Smuzhiyun	rm ${suspects} ${ok} ${new_adhoc}
51*4882a593Smuzhiyunfi
52