[CMake] Multiple executables sharing object files

[Alexander Neundorf]

On Wednesday 19 December 2007, you wrote:
...
> Yeah, you could even create one static library per executable...
> Awesome! What was the problem with putting all the object files in the
> same directory, again? Shouldn't that be an option, at least? It would
> be SO much easier than all the dirty hacks I'm being proposed...

Different targets may be compiled with different compiler flags, defines, etc. 
So the object files for the same source files can differ. This is used in 
some projects.

Alex