| ## -*-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 |
| |
