TOOLCHAIN=$ANDROID_HOME/ndk/$1/toolchains/llvm/prebuilt/$(uname -s | tr '[:upper:]' '[:lower:]')-x86_64/bin
TARGET=$2
./configure --host=$TARGET --disable-public-key --disable-dependency-tracking \
  AR=$TOOLCHAIN/llvm-ar \
  CC="$TOOLCHAIN/clang -target $TARGET" \
  RANLIB=$TOOLCHAIN/llvm-ranlib