[CMake] cmake end user vs. developer rpath handling

[DIXON, MARK C.]

On Wed, 9 Oct 2019, Aaron Cohen wrote:

> Is it not feasible to just let the build system do whatever it is going to
> and use "chrpath" or "patchelf" to change the rpath after-the-fact?

Thanks for the suggestion, but I need to add directories to the rpath: I 
believe that neither utility allows it to increase in size.

:)

Mark