Output directory not searched when stand-alone
When not using a CMake system, the autopybind11 tool doesn't account for the output directory (or destination) as a search path for CastXML.
Add it when the source directory is added as a search path
When not using a CMake system, the autopybind11 tool doesn't account for the output directory (or destination) as a search path for CastXML.
Add it when the source directory is added as a search path