1 #!/bin/bash 2 3 # Build a standalone toybox command 4 5 if [ -z "$1" ] 6 then 7 echo "usage: single.sh command..." >&2 8 exit 1 9 fi 10 11 # Harvest TOYBOX_* symbols from .config 12 if [ ! -e .config ] 13 then 14 echo "Need .config for toybox global settings. Run defconfig/menuconfig." >&2 15 exit 1 16 fi 17 18 # Force dependencies to rebuild headers if we build multiplexer after this. 19 touch -c .config 20 21 export KCONFIG_CONFIG=.singleconfig 22 for i in "$@" 23 do 24 echo -n "$i:" 25 TOYFILE="$(egrep -l "TOY[(]($i)[ ,]" toys/*/*.c)" 26 27 if [ -z "$TOYFILE" ] 28 then 29 echo "Unknown command '$i'" >&2 30 exit 1 31 fi 32 33 # Enable stuff this command depends on 34 DEPENDS="$(sed -n "/^config *$i"'$/,/^$/{s/^[ \t]*depends on //;T;s/[!][A-Z0-9_]*//g;s/ *&& */|/g;p}' $TOYFILE | xargs | tr ' ' '|')" 35 36 NAME=$(echo $i | tr a-z- A-Z_) 37 make allnoconfig > /dev/null && 38 sed -ri -e '/CONFIG_TOYBOX/d' \ 39 -e "s/# (CONFIG_($NAME|${NAME}_.*${DEPENDS:+|$DEPENDS})) is not set/\1=y/" \ 40 "$KCONFIG_CONFIG" && 41 echo "# CONFIG_TOYBOX is not set" >> "$KCONFIG_CONFIG" && 42 grep "CONFIG_TOYBOX_" .config >> "$KCONFIG_CONFIG" && 43 44 rm -f "$PREFIX$i" && 45 OUTNAME="$PREFIX$i" scripts/make.sh || exit 1 46 done 47
