MB_MAKE_CALL_DEBUG ?= off

# Workaround for --warn-undefined-variables
1 :=
2 :=
3 :=
4 :=
5 :=
6 :=
7 :=
8 :=
9 :=

define _mb-make-call-debug
$(MB_ᕽᕽᕽ　　　)$(if $(filter off,$(MB_MAKE_CALL_DEBUG)),,$(if $(findstring mb-doc-,$(1)),,$(warning DEBUG $(1) ($(2),$(3),$(4),$(5),$(6),$(7),$(8),$(9)))))
endef
define mb-make-call
$(MB_ᕽᕽᕽ　　　)$(call _mb-make-call-debug,$(1),$(2),$(3),$(4),$(5),$(6),$(7),$(8),$(9))$(if $(filter file,$(origin $(1))),$(call $(1),$(2),$(3),$(4),$(5),$(6),$(7),$(8),$(9)),$(error $(1) is not defined))
endef
$(call mb-make-call,mb-doc-function-deep,mb-make-call,Checked origin call function wrapper.,<function> [args...])

# Wait until function is parsed...
$(call mb-make-call,mb-doc-variable-deep,MB_MAKE_CALL_DEBUG,If on prints debug trace of all make calls.)