[CMake] Setting dependencies between libraries (cmake projects)

[Rolf Eike Beer]

> Thanks, it solved it.
>
> I thought that using set(a project_a) then using ${a} would be the same
> than using project_a (therefore I could use the same variable everywhere
> and simply change the target name in the set). But it seems it is not the
> same.

It is the same.

Eike