cmake HAVE_KILL examples

SWI-Prolog/swipl-devel cmake/Config.cmake :225 

check_function_exists(kill HAVE_KILL)

gammu/gammu CMakeLists.txt :121 

check_symbol_exists (kill "signal.h" HAVE_KILL)

gammu/gammu smsd/CMakeLists.txt :47 

endif (HAVE_KILL)

gccxml/gccxml GCC/config_cmake/CMakeLists.txt :492 

CHECK_FUNCTION_EXISTS(kill HAVE_KILL)