1 ## -*-makefile-*- 2 #****************************************************************************** 3 # Copyright (C) 2008-2009, 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 latest_a=$(firstword $(sort $(MAKE_VERSION) $(at_least))) 10 11 ifneq ($(at_least),$(latest_a)) 12 err: 13 @echo "ERROR: $(MAKE_VERSION) - too old, please upgrade to at least $(at_least)" 14 @false 15 else 16 ok: 17 @echo "$(MAKE_VERSION) (we wanted at least $(at_least))" 18 @true 19 endif 20 21
