1 function(SelectRTBackend)
2 check_library_exists(rt clock_gettime "time.h" HAVE_CLOCK_GETTIME_RT)
4 if(NOT HAVE_CLOCK_GETTIME_RT)
5 check_function_exists(clock_gettime HAVE_CLOCK_GETTIME)
6 if(NOT HAVE_CLOCK_GETTIME)
7 check_library_exists(c clock_get_time "mach/time.h" HAVE_CLOCK_GET_TIME)
8 if(NOT HAVE_CLOCK_GET_TIME)
9 message(FATAL_ERROR "Didn't find clock_gettime() or clock_get_time()!")
13 set(LIBRT rt PARENT_SCOPE)