1#!/bin/bash 2 3# set environment variables used by scripts/make.sh 4 5# People run ./configure out of habit, so do "defconfig" for them. 6 7if [ "$(basename "$0")" == configure ] 8then 9 echo "Assuming you want 'make defconfig', but you should probably check the README." 10 make defconfig 11 exit $? 12fi 13 14# Warn about stuff, disable stupid warnings, be 8-bit clean for utf8. 15[ "${CFLAGS/-funsigned-char//}" == "$CFLAGS" ] && 16 CFLAGS+=" -Wall -Wundef -Werror=implicit-function-declaration -Wno-char-subscripts -Wno-pointer-sign -funsigned-char" 17 18# Set default values if variable not already set 19: ${CC:=cc} ${HOSTCC:=cc} ${GENDIR:=generated} ${KCONFIG_CONFIG:=.config} 20: ${UNSTRIPPED:=$GENDIR/unstripped} ${OUTNAME:=toybox${TARGET:+-$TARGET}} 21: ${OPTIMIZE:=-Os -ffunction-sections -fdata-sections -fno-asynchronous-unwind-tables -fno-strict-aliasing} 22 23# We accept LDFLAGS, but by default don't have anything in it 24