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I am starting the developpement of a project which will be made of multiple modules. I will validate each of those modules with a dedicated testbench, each with their main() function.
I would like to avoid having one Eclipse project for each testbench and its main() function.

I read about Working Sets and the idea of showing only the files concerned for a particular testbench in my project is what I search for.

However, during the build phase, Eclipse continues building all the project files, not the current Working Set files only. I then have a Linker error because of multiple main() functions.

How can I configure Eclipse to Build the files of a Working Set only?
Is there another way to build multiple programs separately in a single project, i.e. an application and its components testbenches?

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It is possible to deal with multiple main functions in Eclipse CDT by writting a custom makefile. It is a potential solution for C/C++ projects dealing with a main application and its components testbenches, for instance.

See here how to specify a custom makefile in Eclipse.
Then, define a main rule (see makefile documentation) building your whole application (without the testbenches) and define one additional rule for each of your testbenches (with its component) to be built.
To summarize : define one rule in your makefile for each of your main function, building the main and its dependencies.

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