build

#!/bin/sh

set -e

export HOME=/home/admin
export PATH=$PATH:/home/admin/droid/bin

cd ~/busybox

for ARCH_NAME in x86 arm mips; do
  export ARCH_NAME
  for bintype in pie nopie; do
    if [ "$bintype" = "nopie" -a "$ARCH_NAME" = "x86" ]; then
      # target Android 2.3/API version 9 for the x86 non-pie binaries, the oldest available in the NDK
      export GOOGLE_PLATFORM=9
    elif [ "$bintype" = "nopie" -a "$ARCH_NAME" = "arm" ]; then
      # target Android 2.2/API version 8 for the arm non-pie binaries, the oldest commonly used
      export GOOGLE_PLATFORM=8
      # API version 8 does not have arpa/telnet.h header, use API version 9's
      mkdir -p include/arpa
      cp /home/admin/droid/android-ndk/platforms/android-9/arch-arm/usr/include/arpa/telnet.h include/arpa/
    else
      # use default target for pie binaries (currently 15/ICS)
      unset GOOGLE_PLATFORM
    fi
    make clean
    cp .config-$bintype .config
    make
    cp busybox /target/busybox-$ARCH_NAME-$bintype
  done
done