cmake VTK_HAVE_SO_REUSEADDR examples

Kitware/VTK Common/System/CMakeLists.txt :20 

list(APPEND vtkSocket_defines "VTK_HAVE_SO_REUSEADDR")

Kitware/VTK Common/System/vtkTestSocketFeatures.cmake :41 

check_symbol_exists(SO_REUSEADDR "sys/types.h;sys/socket.h" VTK_HAVE_SO_REUSEADDR)