cmake HAVE_F_SETLKW examples

SWI-Prolog/swipl-devel cmake/Config.cmake :378 

check_symbol_exists(F_SETLKW fcntl.h HAVE_F_SETLKW)

manticoresoftware/manticoresearch CMakeLists.txt :119 

check_symbol_exists ( F_SETLKW "fcntl.h" HAVE_F_SETLKW )