Qt include dll in exe

On Windows, MinGW will output. They are needed to link your code against the library. See also the documentation on Creating Shared Libraries. Also you need to link against the import library file. At runtime this loads the shared library. To set this up, you have to modify your application's.

You need to inform qmake where to find the headers and the library. QLibrary can be used for loading shared libraries at runtime.

In this case you only need access to the. Jump to: navigation , search. Category : HowTo. Navigation menu Personal tools Sign in. Namespaces Page Discussion. Views Read View source View history. When the first two steps haven't solved your issue, it might be a good idea to run Windows Update.

Many Qt5Core. To run Windows Update, please follow these easy steps:. If Windows Update failed to resolve the Qt5Core. Please note that this final step is recommended for advanced PC users only.

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach Note: Not recommended for amateur PC users by downloading and replacing your appropriate Qt5Core. Please follow the steps below to download and properly replace you file:. If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process.

If you are not currently backing up your data, you need to do so immediately. The installer's task is to ensure that all correct verifications have been made before installing and placing Qt5Core. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether.

Proceed with caution. You are downloading trial software. Subscription auto-renews at the end of the term Learn more. You can find more information about manifest files and side-by-side assemblies at the MSDN website. The correct way to include the runtime libraries with your application is to ensure that they are installed on the end-user's system. Note: The application you ship must be compiled with exactly the same compiler version against the same C runtime version.

This prevents deploying errors caused by different versions of the C runtime libraries. Depending on configuration, compiler specific libraries must be redistributed along with your application. You can check which libraries your application is linking against by using the Dependency Walker tool.

All you need to do is to run it like this:. This will provide a list of the libraries that your application depends on and other information. From Qt version 5. For Windows, the name of the platform plugin is qwindows. This file must be located within a specific subdirectory by default, platforms under your distribution directory. Alternatively, it is possible to adjust the search path Qt uses to find its plugins, as described below. Be sure to distribute any Qt plugins that you need with your application.

Similar to the platform plugin, each type of plugin must be located within a specific subdirectory such as printsupport , imageformats or sqldrivers within your distribution directory. As of Qt 5. The search paths for Qt plugins are relative to the location of the QtCore library and no further steps are required to ensure plugins are found after installing the application on the target machine.

For non-relocatable builds, additional steps must be taken to ensure plugins are found after the application has been installed on the target machine.

In this case, the search path for Qt plugins is hard-coded into the QtCore library. By default, the plugins subdirectory of the Qt installation is the first plugin search path. However, pre-determined paths like the default one have certain disadvantages. For example, they may not exist on the target machine. For that reason, you need to examine various alternatives to make sure that the Qt plugins are found:.