Using libraries

There are two kinds of libraries in Eiffel: precompiled Eiffel libraries and C libraries.

To use an Eiffel precompiled library:

Open the Project Settings dialog.
Add a new precompile group to your target.
You must recompile your project from scratch for the changes to take effect.

Note: You can only use one precompiled library at a time in a project. To use more than one, you should precompile all the libraries you want to use together in a single precompiled library.

To use a C library:

Open the Project Settings dialog.
Add an include external for the directory where the header files needed to use the library are.
Add an object external for each object file needed to use the library. These files can be either library files (.lib, .a, etc) or object files (.obj, .o, etc)
Click OK.
You must recompile your project for the changes to take effect.

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cached: 12/11/2025 7:54:59.000 PM