Qt 外部库 undefined reference to
WebApr 8, 2024 · Check your linker options to make sure you have included all of the necessary libraries or object files. If the undefined classes are QObject-based, make sure that MOC has been run to generate the moc*.cpp files and that these are also being compiled. Sometimes a qmake / make clean is needed. <=== The Great Pumpkin says ===>. WebApr 22, 2014 · QT构建编译出现error: undefined reference to时,请先确认语法是否有错(建议单独新建一个项目只检查出错的代码是否语法有误)。. 本文由Coding库丁原创,如果 …
Qt 外部库 undefined reference to
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WebMar 30, 2016 · 当出现 undefined reference to xxx时,对应的lib库已经添加到LOCAL_STATIC_LIBRARIES里面,且头文件已经已经添加时,仍然报 undefined reference to, 请看下面;(下面的两种情况,每一种都是让我百思不得其解,花费将近一天时间才解决的,希望能帮助开发者们!)1、LOCAL_STATIC ... WebApr 12, 2024 · undefined reference to `vtable for. 问题:出现上述错误提示。. 方法:添加 Q_OBJECT 以后没有生成 MOC 。. 报错如下: 网上关于这个问题的解决基本上都是说,该基类中的虚函数,没有被子类继承导致。. 但是这完全不是我遇到的情况,因为我在子类中确实已经全部实现了 ...
WebJan 3, 2011 · The constructor is probably declared in TabSprite.h (although your code doesn't show that). That's why it compiles. But the constructor isn't defined anywhere, or, less likely, the unit where it is defined isn't included in the linking process. That's why it … WebJul 24, 2011 · QtCreator: undefined reference to ... also arbeite gerade daran für ein C++/OpenGL Programm eine Oberfläche in Qt zu basteln. Ich habe alle meine Header und Source Dateien dem Projekt hinzugefügt, ebenso die erstelleten *.ui-Dateien mit den zugehörigen *.h und *.cpp-Dateien. Desweiteren hab ich in der .pro-datei noch.
Web在QT框架代码里使用老版本的分类器(cvLoad、cvHaarDetectObjects)处理图像时,正常编译没有问题,当使用新版本级联分类器(CascadeClassifier)时,程序编译就会出现一堆没有 … WebAug 10, 2024 · I am trying to include Tesseract OCR library into my Qt project. I have done everything according to instructions, but it doesn't work. tesseract::TessBaseAPI *myOCR …
WebSep 1, 2016 · Qt是由Qt Company开发的主流跨平台C++图形用户界面应用程序开发框架。Qt是面向对象的框架、容易扩展,并且允许真正地组件编程,既可以开发GUI程序,也可 …
WebApr 16, 2010 · 下面显示的是首先直接用g++编译main.cpp,出现了"undefined reference to foo ()"的问题,未能编译出可执行程序a.out;然后在编译命令行加上foo.cpp (foo函数的定 … university of new mexico meteoritesrebecca vroman binghamton nyWebApr 22, 2013 · QT shared library undefined reference to. I'm studying linking shared libraries in QT, tried tutorials but nothing works. Can somebody help me to find a mistake? I have … rebecca vardy rooneyWebOct 19, 2016 · This topic has been deleted. Only users with topic management privileges can see it. rebecca vega thurberWebSep 25, 2024 · (.text+0x13): undefined reference to `func' 关于undefined reference这样的问题,大家其实经常会遇到,在此,我以详细地示例给出常见错误的各种原因以及解决方法,希望对初学者有所帮助。 基础问题 链接时缺失了相关目标文件(.o) rebecca vest long and foster south bostonWebJul 1, 2024 · qt调用外部库. Qt调用外部程序分两种:调用dll(动态链接库)、调用lib(静态库)。. 下面分别介绍两种调用方法。. 生成dll:这里我们利用VS2008,C++编程语言来 … university of new mexico philosophyWebQT5在windows下调用OpenCV库出现: undefined reference to `xxxxx' 错误解决办法(适用MinGW编译器)。 DS小龙哥 2024年07月16日 09:56 · 阅读 324 关注. 一、环境介绍 ... 在QT的工程文件里加入OpenCV头文件的路径和库路径即可: ... rebecca veach louisiana