## -*-makefile-*-
# Copyright (C) 2016 and later: Unicode, Inc. and others.
# License & terms of use: http://www.unicode.org/copyright.html
#******************************************************************************
# Copyright (C) 2008-2011, International Business Machines
# Corporation and others. All Rights Reserved.
#******************************************************************************
# Make sure we have the right version of Make.
at_least=3.80
ifeq ($(MACHTYPE),i370-ibm-mvs)
at_least=3.79.1
endif
ifeq ($(PLATFORM),OS390)
at_least=3.79.1
endif
ifeq ($(MACHTYPE),powerpc-ibm-os400)
at_least=3.77
endif
latest_a=$(firstword $(sort $(MAKE_VERSION) $(at_least)))
ifneq ($(at_least),$(latest_a))
err:
@echo "ERROR: $(MAKE_VERSION) - too old, please upgrade to at least $(at_least)"
@false
else
ok:
@echo "$(MAKE_VERSION) (we wanted at least $(at_least))"
endif