Target with multiple interfaces

Usage
1

I want to implement a CMake-based build system for the following architecture:

arch
arch786×292 28 KB

As you can see: the Model component has two interfaces: ModelRead and ModelEdit.
What is the preferred way to implement this architecture?

  • Implementing ModelEdit and ModelRead as separate targets, e. g. STATIC libraries with target_include_directories set to PUBLIC? The Model component itself actually does not really exist as a dedicated target.
  • Implementing the Model component as a STATIC library with ModelEdit and ModelRead being INTERFACE libraries that target_link_libraries to the Model target and having INTERFACE include directories containing the public headers/functions? The directories containing the public headers/functions are target_include_directories with the PRIVATE keyword to the Model target.
  • Or maybe something completely different?

To keep things simple, targets can all be static libraries which are finally linked into an executable.

Thanks for your thoughts and ideas, Rainer

2

Is Model actually two libraries? If so, the first is the better one. If it is one library, I recommend the second (though I suspect you may need to do some tweaking on the target_include_directories(PRIVATE)).