[cmake-developers] PRE_BUILD misconception

Sebastian Holtermann seblist at xwmw.org
Wed Aug 23 17:56:54 EDT 2017

It seems that in CMake 3.9/AUTOGEN the VS generator uses the *_autogen
target more often than necessary (it could use PRE_BUILD instead).

Let's assume a target `B` that depends on
 - a *GENERATED* file `FA`
 - a linked library `LA`
 - a utility target `TA` (via `add_dependencies()`)

Using the VS generator, will `FA`, `LA` and `TA` be built completely before
target B executes it's PRE_BUILD?

I'm asking because it's important to know when to PRE_BUILD can be used for 


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