1## -*-makefile-*- 2# Copyright (C) 2016 and later: Unicode, Inc. and others. 3# License & terms of use: http://www.unicode.org/copyright.html 4#****************************************************************************** 5# Copyright (C) 2008-2011, International Business Machines 6# Corporation and others. All Rights Reserved. 7#****************************************************************************** 8# Make sure we have the right version of Make. 9 10at_least=3.80 11ifeq ($(MACHTYPE),i370-ibm-mvs) 12at_least=3.79.1 13endif 14ifeq ($(PLATFORM),OS390) 15at_least=3.79.1 16endif 17ifeq ($(MACHTYPE),powerpc-ibm-os400) 18at_least=3.77 19endif 20 21latest_a=$(firstword $(sort $(MAKE_VERSION) $(at_least))) 22 23ifneq ($(at_least),$(latest_a)) 24err: 25 @echo "ERROR: $(MAKE_VERSION) - too old, please upgrade to at least $(at_least)" 26 @false 27else 28ok: 29 @echo "$(MAKE_VERSION) (we wanted at least $(at_least))" 30endif 31 32