cmake CMAKE_HAVE_CONNECT examples

Kitware/VTK CMake/patches/99/FindX11.cmake :711

check_function_exists("connect" CMAKE_HAVE_CONNECT)

rose-compiler/rose cmake/modules/FindX11.cmake :344

CHECK_FUNCTION_EXISTS("connect" CMAKE_HAVE_CONNECT)

rose-compiler/rose cmake/modules/FindX11.cmake :350

ENDIF(NOT CMAKE_HAVE_CONNECT)