source 1-2.sh

#!/bin/sh
#env
export PJROOT=${PWD}
TARGET_DIR="~/aarch64-buildroot-linux-gnu"
LIB_DIR=${TARGET_DIR}/lib
INCLUDE_DIR=${TARGET_DIR}/include
export LD_LIBRARY_PATH=LD_LIBRARY_PATH:~/aarch64-buildroot-linux-gnu/lib
export PATH=~/aarch64-buildroot-linux-gnu/bin:$PATH
export CFLAG="-I ${INCLUDE_DIR}"
export BUILDOPT="-j 2"
make ARCH=arm64 CROSS_COMPILE=~/aarch64-buildroot-linux-gnu/bin/aarch64-buildroot-linux-gnu- CC=~/aarch64-buildroot-linux-gnu/bin/aarch64-buildroot-linux-gnu-gcc AR=~/aarch64-buildroot-linux-gnu/bin/aarch64-buildroot-linux-gnu-ar LD=~/aarch64-buildroot-linux-gnu//bin/aarch64-buildroot-linux-gnu-ld