[CMake] Building arguments to target_comple_definitions()

[Chuck Atkins]

>
> So, are you suggesting that I make a “dummy” target and fill it with the
> common options in compile_definitions() and include_directories() (et. al.)
>
> Then make my OBJECT libraries (and the shared library) depend on the
> “dummy” target?
>

>
> If that’s not the suggestion, I’m afraid I don’t see how I can use this to
> set the common flags
>

That's certainly one way you can solve the problem, i.e. making an
interface library with the common defs, and a good idea at that, but that's
not what I was referring to.  I was simply tying to explain that the error
your getting trying to pass arguments to target_compile_options is because
you're missing the visibility argument.

- Chuck

>
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