cmake CXX_HAS_NO_UNUSED_FUNCTION examples

torch/DEPRECEATED-torch7-distro cmake/TorchCFlags.cmake :55 

CHECK_CXX_COMPILER_FLAG(-Wno-unused-function CXX_HAS_NO_UNUSED_FUNCTION)

torch/DEPRECEATED-torch7-distro cmake/TorchCFlags.cmake :58 

ENDIF(CXX_HAS_NO_UNUSED_FUNCTION)