Building multiple targets off same source tree with different preprocessor macros?

CMake has add_definitions and remove_definitions commands. You can use them to define macros for different parts of your project.

This can be done with SCons rather painlessly. You will definitely need a build directory hierarchy for the objects built with different preprocessor macros. In SCons terms, creating build directories like this is called variant_dir.

I would recomend the following SCons Hierarchical build structure.

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