cmake CMAKE_HAVE_GETHOSTBYNAME examples

Kitware/VTK CMake/patches/99/FindX11.cmake :697 

check_function_exists("gethostbyname" CMAKE_HAVE_GETHOSTBYNAME)

rose-compiler/rose cmake/modules/FindX11.cmake :330 

CHECK_FUNCTION_EXISTS("gethostbyname" CMAKE_HAVE_GETHOSTBYNAME)

rose-compiler/rose cmake/modules/FindX11.cmake :341 

ENDIF(NOT CMAKE_HAVE_GETHOSTBYNAME)