# ubuntu ``` sudo apt install crossbuild-essential-arm64 ``` # \*\*\*\* # **Docker** 1、注册qemu解释器 ~~~ docker run --rm --privileged multiarch/qemu-user-static:register --reset ~~~ 2、运行https://hub.docker.com/r/multiarch/crossbuild ~~~ docker run --rm -t multiarch/crossbuild ~~~ # docker安装 ~~~ curl https://get.docker.com | sh sudo systemctl start docker && sudo systemctl enable docker ~~~ ## **Cmake交叉编译** ``` # CMakeLists.txt cmake_minimum_required(VERSION 3.5) ################################## # 配置 ARM 交叉编译 ################################# set(CMAKE_SYSTEM_NAME Linux) #设置目标系统名字 set(CMAKE_SYSTEM_PROCESSOR arm) #设置目标处理器架构 # 指定编译器的 sysroot 路径 set(TOOLCHAIN_DIR /opt/fsl-imx-x11/4.1.15-2.1.0/sysroots) set(CMAKE_SYSROOT ${TOOLCHAIN_DIR}/cortexa7hf-neon-poky-linux-gnueabi) # 指定交叉编译器 arm-linux-gcc 和 arm-linux-g++ set(CMAKE_C_COMPILER ${TOOLCHAIN_DIR}/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-gcc) set(CMAKE_CXX_COMPILER ${TOOLCHAIN_DIR}/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-g++) # 为编译器添加编译选项 set(CMAKE_C_FLAGS "-march=armv7ve -mfpu=neon -mfloat-abi=hard -mcpu=cortex-a7") set(CMAKE_CXX_FLAGS "-march=armv7ve -mfpu=neon -mfloat-abi=hard -mcpu=cortex-a7") set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) ################################# # end ################################## project(HELLO) #设置工程名称 add_executable(main main.c) ```