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前言

正点原子rk3568学习笔记，rk官方RKNN_MODEL_ZOO文件中的build-linux.sh脚本解析

执行命令：./build-linux.sh -t rk3568 -a aarch64 -d mobilenet

解析

#!/bin/bash

指定脚本的解释器为/bin/bash，即使用Bash shell来执行此脚本。

set -e

如果脚本中的任何命令执行失败（返回非零退出状态），则立即退出脚本执行。这有助于捕获错误。

echo “$0 $@”

$ 0是脚本的名称，$ @是所有传递给脚本的参数。这行命令会打印出脚本名称及其接收到的所有参数。

while getopts ":t:a:d:b:m:r:j" opt; docase $opt int)TARGET_SOC=$OPTARG;;a)TARGET_ARCH=$OPTARG;;b)BUILD_TYPE=$OPTARG;;m)ENABLE_ASAN=ONexport ENABLE_ASAN=TRUE;;d)BUILD_DEMO_NAME=$OPTARG;;r)DISABLE_RGA=ON;;j)DISABLE_LIBJPEG=ON;;:)echo "Option -$OPTARG requires an argument." exit 1;;?)echo "Invalid option: -$OPTARG index:$OPTIND";;esac
done

使用getopts命令解析命令行选项，类似与for和switch case。脚本支持的选项包括-t（目标SOC），-a（目标架构），-d（构建演示名称），-b（构建类型），-m（启用ASAN），-r（禁用RGA），-j（禁用libjpeg）。根据选项的不同，设置相应的变量。
TARGET_SOC = rk3568
TARGET_ARCH = aarch64
BUILD_DEMO_NAME = mobilenet

if [ -z ${TARGET_SOC} ] || [ -z ${BUILD_DEMO_NAME} ]; thenecho "$0 -t <target> -a <arch> -d <build_demo_name> [-b <build_type>] [-m] [-r] [-j]"echo ""echo "    -t : target (rk356x/rk3588/rk3576/rv1106/rk1808/rv1126)"echo "    -a : arch (aarch64/armhf)"echo "    -d : demo name"echo "    -b : build_type(Debug/Release)"echo "    -m : enable address sanitizer, build_type need set to Debug"echo "    -r : disable rga, use cpu resize image"echo "    -j : disable libjpeg to avoid conflicts between libjpeg and opencv"echo "such as: $0 -t rk3588 -a aarch64 -d mobilenet"echo "Note: 'rk356x' represents rk3562/rk3566/rk3568, 'rv1106' represents rv1103/rv1106, 'rv1126' represents rv1109/rv1126"echo "Note: 'disable rga option is invalid for rv1103/rv1103b/rv1106"echo "Note: 'if you want to use opencv to read or save jpg files, use the '-j' option to disa