Disable OMP threading on macOS (#20405)

cmake/features.cmake

@@ -80,14 +80,16 @@ else()
     set(THREADING_DEFAULT "TBB")
 endif()
 
+set(THREADING_OPTIONS "TBB" "TBB_AUTO" "SEQ")
+if(NOT APPLE)
+    list(APPEND THREADING_OPTIONS "OMP")
+endif()
+
 set(THREADING "${THREADING_DEFAULT}" CACHE STRING "Threading")
-set_property(CACHE THREADING PROPERTY STRINGS "TBB" "TBB_AUTO" "OMP" "SEQ")
+set_property(CACHE THREADING PROPERTY STRINGS ${THREADING_OPTIONS})
 list (APPEND OV_OPTIONS THREADING)
-if (NOT THREADING STREQUAL "TBB" AND
-    NOT THREADING STREQUAL "TBB_AUTO" AND
-    NOT THREADING STREQUAL "OMP" AND
-    NOT THREADING STREQUAL "SEQ")
-    message(FATAL_ERROR "THREADING should be set to TBB (default), TBB_AUTO, OMP or SEQ")
+if(NOT THREADING IN_LIST THREADING_OPTIONS)
+    message(FATAL_ERROR "THREADING should be set to either ${THREADING_OPTIONS}")
 endif()
 
 if((THREADING STREQUAL "TBB" OR THREADING STREQUAL "TBB_AUTO") AND