Opencv C++ MinGW VSCode编译致命错误 [英] Opencv C++ MinGW VSCode fatal error to compile

查看：254 发布时间：2021/6/2 22:12:13 c++ opencv visual-studio-code mingw

本文介绍了Opencv C++ MinGW VSCode编译致命错误的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

大家好，我想使用 VSCode MinGW C++ 和 OpenCV 创建一个简单的 opencv 项目，但由于未知原因，出现此错误我该怎么办?

Hi all I want to use VSCode MinGW C++ and OpenCV to create a simple opencv project but for an unknown reason, I get this error what should I do?

下面的代码是我想在 VSCode 上运行的代码，与我在 Visual Studio 2017 上运行的代码相同.

The code below is what I want to run on VSCode is the same code I run on the Visual Studio 2017.

VSCODE
C++17
OpenCV
在 Windows 10 x64 架构上

成功构建.

#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <iostream>

using namespace cv;
using namespace std;

int main() {

    Mat image;
    image = imread("./22.png", IMREAD_COLOR); // Read the file

    namedWindow("Display window", WINDOW_AUTOSIZE); // Create a window for display.

    if (!image.data) // Check for invalid input
    {
        cout << "Could not open or find the image" << std::endl;
    } else {        // Image is good!

        imshow("Display window", image); // Show our image inside it.
    }

    waitKey(0);
    return 0;
}

在我的 VSCode 编辑器中，我尝试使用带有 CTRL + SHIFT + B

In my VSCode editor, I try to build the application using the tasks.json with CTRL + SHIFT + B

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "label": "echo",
            "type": "shell",
            "command": "",
            "args": [
                "g++", 
                "-I", "C:\\vcpkg\\installed\\x64-windows\\include",
                "-L", "C:\\vcpkg\\installed\\x64-windows\\lib",
                "./src/main.cpp",
                "-lopencv_core341",
                "-lopencv_highgui341",
                "-o app"
            ],
            "group": {
                "kind": "build",
                "isDefault": true
            }
        }
    ]
}

c_cpp_properties.json

{
    "configurations": [
        {
            "name": "Win32",
            "includePath": [
                "${workspaceFolder}/**",
                "${workspaceFolder}/src",
                "C:/vcpkg/installed/x64-windows/include",
                "C:/vcpkg/installed/x64-windows/lib"

            ],
            "browse": {
                "path": [

            ],
                "limitSymbolsToIncludedHeaders": true
            },
            "defines": [
                "_DEBUG",
                "UNICODE",
                "_UNICODE"
            ],
            "windowsSdkVersion": "10.0.17134.0",
            "compilerPath": "C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.14.26428/bin/Hostx64/x64/cl.exe",
            "cStandard": "c11",
            "cppStandard": "c++17",
            "intelliSenseMode": "msvc-x64",
            "C_Cpp.intelliSenseEngine": "Tag Parser"
        }
    ],
    "version": 4
}

我收到这个错误

> Executing task: g++ main.cpp -I C:/vcpkg/installed/x64-windows/include -L C:/vcpkg/installed/x64-windows/lib -lopencv_core341 -lopencv_highgui341 -o app <

C:\Users\giorg\AppData\Local\Temp\ccNFIHQq.o:main.cpp:(.text+0x51): undefined reference to `cv::imread(cv::String const&, int)'
C:\Users\giorg\AppData\Local\Temp\ccNFIHQq.o:main.cpp:(.text+0xa2): undefined reference to `cv::namedWindow(cv::String const&, int)'
C:\Users\giorg\AppData\Local\Temp\ccNFIHQq.o:main.cpp:(.text+0x119): undefined reference to `cv::imshow(cv::String const&, cv::_InputArray const&)'
C:\Users\giorg\AppData\Local\Temp\ccNFIHQq.o:main.cpp:(.text+0x139): undefined reference to `cv::waitKey(int)'
C:\Users\giorg\AppData\Local\Temp\ccNFIHQq.o:main.cpp:(.text$_ZN2cv6StringC1EPKc[__ZN2cv6StringC1EPKc]+0x42): undefined reference to `cv::String::allocate(unsigned int)'
C:\Users\giorg\AppData\Local\Temp\ccNFIHQq.o:main.cpp:(.text$_ZN2cv6StringD1Ev[__ZN2cv6StringD1Ev]+0xf): undefined reference to `cv::String::deallocate()'
C:\Users\giorg\AppData\Local\Temp\ccNFIHQq.o:main.cpp:(.text$_ZN2cv3MatD1Ev[__ZN2cv3MatD1Ev]+0x2d): undefined reference to `cv::fastFree(void*)'
C:\Users\giorg\AppData\Local\Temp\ccNFIHQq.o:main.cpp:(.text$_ZN2cv3Mat7releaseEv[__ZN2cv3Mat7releaseEv]+0x40): undefined reference to `cv::Mat::deallocate()'
C:\Users\giorg\AppData\Local\Temp\ccNFIHQq.o:main.cpp:(.text$_ZN2cv3MataSEOS0_[__ZN2cv3MataSEOS0_]+0xb4): undefined reference to `cv::fastFree(void*)'
collect2.exe: error: ld returned 1 exit status
The terminal process terminated with exit code: 1

Terminal will be reused by tasks, press any key to close it.

我使用这个命令 vcpkg install opencv 使用 vcpkg 生成了 opencv 库，我认为它做得很好.

I have generated the opencv libs using the vcpkg using this command vcpkg install opencv and I think is doing the job very well.

在我使用 vspkg 生成所有文件后，我使用 Visual Studio 2017 测试了所有文件并且是有效的，但我的主要目标是使用 VSCode但我不知道为什么会出现错误.

After I generated all the files with the vspkg I test all the files with Visual Studio 2017 and is works, but my main goal is to make work with the VSCode but I don't have any clue why I get the errors.

为了向您展示我已经生成了文件.

To show you that I have generated the files.

推荐答案

我尝试在 Windows 10 x64 上的 Visual Studio Code 中使用 MinGW-w64 g++ 使用 OpenCV 3.4.1 构建和运行 C++ 程序取得成功.但我不知道这是否真的是正确的"方法来做到这一点.截图

I have success trying to build and run a C++ program with OpenCV 3.4.1 using MinGW-w64 g++ in Visual Studio Code on Windows 10 x64. But I don't know if this is actually the "right" way to do it. Screenshot

下载并安装 MinGW-w64 选择 x86_64-8.1.0-posix-seh-rt_v6-rev0 版本或更新的 http://mingw-w64.org/doku.php/start.
打开 CMD 并转到 C:\ 然后克隆这个 repo https://github.com/huihut/OpenCV-MinGW-Build 然后签出 OpenCV-3.4.1-x64 分支或执行这个 git clone https://github.com/huihut/OpenCV-MinGW-Build.git -b OpenCV-3.4.1-x64
将 Mingw-w64 bin 文件夹添加到系统路径(对我来说路径是 C:\Program Files\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\bin)
将您之前克隆的 OpenCV mingw bin 文件夹添加到系统路径(对我来说路径是 C:\OpenCV-MinGW-Build\x64\mingw\bin)
现在您已经可以使用 CMD 使用 g++ 构建程序，只需键入 g++ test.cpp -IC:\OpenCV-MinGW-Build\include -LC:\OpenCV-MinGW-Build\x64\mingw\bin-llibopencv_calib3d341 -llibopencv_core341 -llibopencv_dnn341 -llibopencv_features2d341 -llibopencv_flann341 -llibopencv_highgui341 -llibopencv_imgcodecs341 -llibopencv_imgproc341 -llibopencv_ml341 -llibopencv_objdetect341 -llibopencv_photo341 -llibopencv_shape341 -llibopencv_stitching341 -llibopencv_superres341 -llibopencv_video341 -llibopencv_videoio341 -llibopencv_videostab341 只是改变<代码> TEST.CPP 到您的 .cpp 文件名.
使用 Visual Studio Code 打开您的 .cpp 文件，然后安装 Code Runner 扩展 https://marketplace.visualstudio.com/items?itemName=formulahendry.code-runner，我使用 Code Runner 轻松运行我的程序.
在 Visual Studio Code 中按 Ctrl + 逗号然后搜索 "code-runner.executorMap": 并更改 "cpp:" 上的内容; 进入 "cd $dir &&g++ $fileName -o $fileNameWithoutExt -IC:/OpenCV-MinGW-Build/include -LC:/OpenCV-MinGW-Build/x64/mingw/bin -llibopencv_calib3d341 -llibopencv_core341 -llibopencv_dnn341 -llibopencv_dnn341 -llibopencv_features2cvopencv_features2d34lib41 -llibopencv_features2cvopencv_features2d34lib11imgl4open11imgl411llibopencv_ml341 -llibopencv_objdetect341 -llibopencv_photo341 -llibopencv_shape341 -llibopencv_stitching341 -llibopencv_superres341 -llibopencv_video341 -llibopencv_videoio341 -llibopencv_videostab341$dir$fileNameWithoutExt", 您可以将此应用于用户设置或仅应用于工作区设置.`
之后，只需按 Ctrl+Alt+N 即可构建并运行您的程序，或者只需按播放按钮即可.



Download and Install MinGW-w64 choose x86_64-8.1.0-posix-seh-rt_v6-rev0 version or newer http://mingw-w64.org/doku.php/start.
Open CMD and go to C:\ then clone this repo https://github.com/huihut/OpenCV-MinGW-Build then checkout the OpenCV-3.4.1-x64 branch or just execute this git clone https://github.com/huihut/OpenCV-MinGW-Build.git -b OpenCV-3.4.1-x64
Add Mingw-w64 bin folder to the system path (For me the path is C:\Program Files\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\bin)
Add OpenCV mingw bin folder that you clone earlier to the system path (For me the path is C:\OpenCV-MinGW-Build\x64\mingw\bin)
For now you can already build a program using g++ using CMD just type g++ test.cpp -IC:\OpenCV-MinGW-Build\include -LC:\OpenCV-MinGW-Build\x64\mingw\bin -llibopencv_calib3d341 -llibopencv_core341 -llibopencv_dnn341 -llibopencv_features2d341 -llibopencv_flann341 -llibopencv_highgui341 -llibopencv_imgcodecs341 -llibopencv_imgproc341 -llibopencv_ml341 -llibopencv_objdetect341 -llibopencv_photo341 -llibopencv_shape341 -llibopencv_stitching341 -llibopencv_superres341 -llibopencv_video341 -llibopencv_videoio341 -llibopencv_videostab341 just change the test.cpp to your .cpp file name.
Open your .cpp file using Visual Studio Code then install Code Runner extension https://marketplace.visualstudio.com/items?itemName=formulahendry.code-runner, I use Code Runner to easily run my program.
Press Ctrl + comma in Visual Studio Code then search for "code-runner.executorMap": and change the content on"cpp:" entry to "cd $dir && g++ $fileName -o $fileNameWithoutExt -IC:/OpenCV-MinGW-Build/include -LC:/OpenCV-MinGW-Build/x64/mingw/bin -llibopencv_calib3d341 -llibopencv_core341 -llibopencv_dnn341 -llibopencv_features2d341 -llibopencv_flann341 -llibopencv_highgui341 -llibopencv_imgcodecs341 -llibopencv_imgproc341 -llibopencv_ml341 -llibopencv_objdetect341 -llibopencv_photo341 -llibopencv_shape341 -llibopencv_stitching341 -llibopencv_superres341 -llibopencv_video341 -llibopencv_videoio341 -llibopencv_videostab341 && $dir$fileNameWithoutExt", you can apply this for user settings or just for workspace settings.
`
After that just press Ctrl+Alt+N to Build and Run your program or just press the play button.

我相信您也可以通过将 -IC:\OpenCV-MinGW-Build\include .. 添加到  来将其应用于 tasks.jsonargs 部分使用 Visual Studio Code C/C++ 扩展调试.您也可以将 "C:/OpenCV-MinGW-Build/include" 添加到 c_cpp_properties.json 包含路径以启用智能感知.如果您想使用另一个版本的 OpenCV，只需将 g++ 参数的所有 341" 部分替换为另一个版本，例如使用 OpenCV 3.3.1 使用 -llibopencv_calib3d331等等.


I believe you can also apply this to the tasks.json by adding the -IC:\OpenCV-MinGW-Build\include .. to the args part to use the Visual Studio Code C/C++ extension debugging. Also you can add "C:/OpenCV-MinGW-Build/include" to the c_cpp_properties.json include path to enable intellisense. If you want to use another version of OpenCV just replace all the "341" part of the g++ argument to another version for example to use OpenCV 3.3.1 use -llibopencv_calib3d331 and so on.
我尝试编辑我的 tasks.json 和 launch.json 并且它适用于 gdb 调试器.tasks.json : https://gist.github.com/agtbaskara/4a2ec96a31694a2ec96a31694a2ec9a3917a2elaunch.json :https://gist.github.com/agtbaskara/de04db8b6a39a622ec_cpp_properties.json : https://gist.github.com/agtbaskara/0eb870f70f7f7f70f70c
 I have try to edit my tasks.json and launch.json and it works with gdb debugger.
tasks.json : https://gist.github.com/agtbaskara/4a2ec9a3a9a963069e719c0477185321
launch.json : https://gist.github.com/agtbaskara/de04db8b6a31522dd1e62c43aa6e0f89
c_cpp_properties.json : https://gist.github.com/agtbaskara/0eb773ac3085557baf7bf20b031fb49e

                        这篇关于Opencv C++ MinGW VSCode编译致命错误的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！


                    
                        查看全文

Opencv C++ MinGW VSCode编译致命错误 [英] Opencv C++ MinGW VSCode fatal error to compile

问题描述

c_cpp_properties.json

推荐答案

相关文章

C/C++开发最新文章

热门教程

热门工具

登录关闭

Opencv C++ MinGW VSCode编译致命错误 [英] Opencv C++ MinGW VSCode fatal error to compile

问题描述

c_cpp_properties.json

推荐答案

相关文章

C/C++开发最新文章

热门教程

热门工具

登录 关闭

登录关闭