cmake_helloworld(arm-gcc)

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分类专栏： S5: Shell/CMakeLists 文章标签： linux

于 2021-02-04 10:52:35 首次发布

本文链接：https://blog.youkuaiyun.com/zhiyuan2021/article/details/113629094

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本文介绍如何使用CMake进行项目的构建，并针对ARM架构进行交叉编译。内容包括CMakeLists.txt文件的编写，配置指定的交叉编译器arm-gcc及arm-g++, 并演示了从创建目录到编译运行的整个流程。

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1.helloworld.c

#include <stdio.h>
int main()
{
    printf("Hello World Test!\n");
    return 0;
}

2.CMakeLists.txt

set(CMAKE_SYSTEM_NAME "Linux")
set(CMAKE_SYSTEM_PROCESSOR "arm")
set(CMAKE_C_COMPILER "arm-linux-gcc")
set(CMAKE_CXX_COMPILER "arm-linux-g++") 

#SET(CMAKE_C_COMPILER "/usr/bin/gcc")
#SET(CMAKE_CXX_COMPILER "/usr/bin/g++")

project(hello_jelly)
set(APP_SRC main.c)
add_executable(${PROJECT_NAME} main.c)
 
#print message
message(${PROJECT_SOURCE_DIR})

3.cmake

mkdir build
cd build
cmake ..
make

4.运行

./hello_jelly

在这里插入图片描述

5.CMakeLists.txt 通用版

project( main )
cmake_minimum_required(VERSION 2.8) 
#添加头文件路径
include_directories(/usr/local/include /usr/local/include/opencv /usr/local/include/opencv2)
#添加库文件路径
link_directories(/usr/local/lib)

#set(TEST_CPP 22_UseIteratorAccessPixel.cpp)
aux_source_directory(. DIR_SRCS)

add_executable(main ${DIR_SRCS})
target_link_libraries( main -lopencv_core  -lopencv_highgui -lopencv_imgproc -lopencv_imgcodecs -lopencv_videoio -lopencv_video)

指定arm-gcc

# 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/toolchain/aarch64-rockchip1031-linux-gnu)

# 指定交叉编译器 arm-gcc 和 arm-g++
set(CMAKE_C_COMPILER ${TOOLCHAIN_DIR}/bin/aarch64-none-linux-gnu-gcc)
set(CMAKE_CXX_COMPILER ${TOOLCHAIN_DIR}/bin/aarch64-none-linux-gnu-g++)

example

# 父目录下的CMakeLists.txt 
project(main)
cmake_minimum_required(VERSION 2.8) 

set(CMAKE_SYSTEM_NAME "Linux")
set(CMAKE_SYSTEM_PROCESSOR "arm")
set(CMAKE_C_COMPILER "aarch64-none-linux-gnu-gcc")
set(CMAKE_CXX_COMPILER "aarch64-none-linux-gnu-g++") 

set(current_dir "${CMAKE_CURRENT_SOURCE_DIR}")

#添加头文件路径
include_directories(${current_dir}/include)
#添加库文件路径
link_directories(${current_dir}/lib)
 
add_executable(main test.c)
target_link_libraries( main -lusb-1.0)