cmake CMAKE_HAVE_SHMAT examples

Kitware/VTK CMake/patches/99/FindX11.cmake :729 

check_function_exists("shmat" CMAKE_HAVE_SHMAT)

rose-compiler/rose cmake/modules/FindX11.cmake :362 

CHECK_FUNCTION_EXISTS("shmat" CMAKE_HAVE_SHMAT)

rose-compiler/rose cmake/modules/FindX11.cmake :368 

ENDIF(NOT CMAKE_HAVE_SHMAT)