Why Does My Static Qt5 Build Fail with \'Failed to Load Platform Plugin \'windows\'\'?

Qt5 Static Build Encounters "Failed to Load Platform Plugin 'windows'" Error

In Visual Studio 2012, attempting to run a Qt application built with a static distribution of Qt 5.0.2 may result in the error "Failed to load platform plugin windows."

Resolution:

While the mentioned linker input additions are essential, the root of this issue lies in the absence of a crucial DLL. For a dynamic build, ensure that the qwindows.dll is copied to the same directory as the application executable and all other required Qt DLLs.

Additional Considerations:

• Avoid adding "qwindowsd.lib" to the linker input, as it is unnecessary.
• The plugins directory should be intentionally omitted, allowing you to place all necessary folders from Qt's plugins directory directly into the application binary folder.
• Depending on the GUI intensity of the application, libEGL.dll may not be required.

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