Set Python-related variables if they're not set

To avoid having to do multiple tests in other submodules

Change-Id: Ie0b2df3169ca8f3aa75dbd63a5ccce47c02fc452
Build dependencies by using cmake in a separate dir

Change-Id: I1aafa1aa55c20aa35c6eb43f7fe36bf72ad0debe
Build cCURL for windows

Change-Id: I421605ed3bcaa6fb5f00504a117fb45f41b7cd4f