LXR uboot/scripts/build-whitelist.sh

   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#       SUN7I_GMAC,AHCI,SATAPWR=SUNXI_GPB(8)
  17#
  18# We want this to produce:
  19#       CONFIG_SUN7I_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/^\s*config *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \
  43        -e 's/^\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