[CMake] libs only target

[Brad King]

Jan Woetzel wrote:
> is there a way to compile/link only the "libs" (ADD_LIBRARY)
> but skip linking the executables (ADD_EXECUTABLE)
> using a global option/switch on cmake level?
> 
> I want to save compilation time when I need only the libraries for 
> linking my client project.
> But we have about 200 examples in subdirectories and linking them takes 
> a lot of time...

OPTION(BUILD_EXAMPLES "Build examples" OFF)
IF(BUILD_EXAMPLES)
   ADD_SUBDIRECTORY(Examples)
ENDIF(BUILD_EXAMPLES)

-Brad