1*cf5a6c84SAndroid Build Coastguard Worker#!/bin/bash 2*cf5a6c84SAndroid Build Coastguard Worker 3*cf5a6c84SAndroid Build Coastguard Worker# set environment variables used by scripts/make.sh 4*cf5a6c84SAndroid Build Coastguard Worker 5*cf5a6c84SAndroid Build Coastguard Worker# People run ./configure out of habit, so do "defconfig" for them. 6*cf5a6c84SAndroid Build Coastguard Worker 7*cf5a6c84SAndroid Build Coastguard Workerif [ "$(basename "$0")" == configure ] 8*cf5a6c84SAndroid Build Coastguard Workerthen 9*cf5a6c84SAndroid Build Coastguard Worker echo "Assuming you want 'make defconfig', but you should probably check the README." 10*cf5a6c84SAndroid Build Coastguard Worker make defconfig 11*cf5a6c84SAndroid Build Coastguard Worker exit $? 12*cf5a6c84SAndroid Build Coastguard Workerfi 13*cf5a6c84SAndroid Build Coastguard Worker 14*cf5a6c84SAndroid Build Coastguard Worker# Warn about stuff, disable stupid warnings, be 8-bit clean for utf8. 15*cf5a6c84SAndroid Build Coastguard Worker[ "${CFLAGS/-funsigned-char//}" == "$CFLAGS" ] && 16*cf5a6c84SAndroid Build Coastguard Worker CFLAGS+=" -Wall -Wundef -Werror=implicit-function-declaration -Wno-char-subscripts -Wno-pointer-sign -funsigned-char" 17*cf5a6c84SAndroid Build Coastguard Worker 18*cf5a6c84SAndroid Build Coastguard Worker# Set default values if variable not already set 19*cf5a6c84SAndroid Build Coastguard Worker: ${CC:=cc} ${HOSTCC:=cc} ${GENDIR:=generated} ${KCONFIG_CONFIG:=.config} 20*cf5a6c84SAndroid Build Coastguard Worker: ${UNSTRIPPED:=$GENDIR/unstripped} ${OUTNAME:=toybox${TARGET:+-$TARGET}} 21*cf5a6c84SAndroid Build Coastguard Worker: ${OPTIMIZE:=-Os -ffunction-sections -fdata-sections -fno-asynchronous-unwind-tables -fno-strict-aliasing} 22*cf5a6c84SAndroid Build Coastguard Worker 23*cf5a6c84SAndroid Build Coastguard Worker# We accept LDFLAGS, but by default don't have anything in it 24