1 ## -*-makefile-*- 2 #****************************************************************************** 3 # Copyright (C) 2008-2010, International Business Machines 4 # Corporation and others. All Rights Reserved. 5 #****************************************************************************** 6 # Make sure we have the right version of Make. 7 8 at_least=3.80 9 ifeq ($(MACHTYPE),i370-ibm-mvs) 10 at_least=3.79.1 11 endif 12 ifeq ($(PLATFORM),OS390) 13 at_least=3.79.1 14 endif 15 16 17 latest_a=$(firstword $(sort $(MAKE_VERSION) $(at_least))) 18 19 ifneq ($(at_least),$(latest_a)) 20 err: 21 @echo "ERROR: $(MAKE_VERSION) - too old, please upgrade to at least $(at_least)" 22 @false 23 else 24 ok: 25 @echo "$(MAKE_VERSION) (we wanted at least $(at_least))" 26 @true 27 endif 28 29
