#!/bin/false

ifeq ($(findstring target-specific,$(.FEATURES)),)
    $(error missing feature: target-specific variable assignments)
endif

# works: no private keyword
P = 1
# works: only global private keyword
P = 2
# works for prereq, but also tries to build `private' for target
P =

ifeq ($(P),1)
                    GLOBAL = global
    target:         LOCAL  = local
else
  ifeq ($(P),2)
            private GLOBAL = global    # not visible within recipes
    target:         LOCAL  = local
  else
            private GLOBAL = global    # not visible within recipes
    target: private LOCAL  = local     # suppress inheritance
  endif
endif

target:	prereq
	@echo $@: $(GLOBAL) $(LOCAL)

prereq:
	@echo $@: $(GLOBAL) $(LOCAL)

# ***** end of source *****