[CMake] CMakeLists.txt options.

[Alexander Neundorf]

On Sunday 28 October 2012, Brad Bell wrote:
> The CMakeLists.txt command
>      option( <option_variable> "help string describing option" [initial
> value] )
> Provides an option for the user to select as ON or OFF; i.e., a BOOL.
> 
> How does one provide an option for the user to select that is a PATH ?

set(SOME_PATH "/usr/" CACHE PATH "A path to something")

Alex