How Do I Add External Libraries (e.g., Psapi.lib) to My Qt Creator Project?

Incorporating External Libraries into Qt Creator Projects

Adding external libraries to a project created with Qt Creator RC1 (version 0.9.2) requires specific steps for successful integration. This guide will walk you through the process using the example of including the Psapi.lib library for accessing the EnumProcesses() function.

Adding the External Library

To add an external library to your project, modify your project's ".pro" file and specify the library's path and name:

LIBS += -L/path/to -lpsapi

Breakdown:

• -L: Specifies the directory where the library is located.
• -l: Specifies the library name without the "lib" prefix or ".dll" extension.

Note: If the library is stored within the project directory, use the $$_PRO_FILE_PWD_ variable to reference its location:

LIBS += -L"$$_PRO_FILE_PWD_/3rdparty/libs/" -lpsapi

This ensures platform compatibility, allowing your project to build correctly across various platforms supported by Qt.

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