## Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.## This code is free software; you can redistribute it and/or modify it# under the terms of the GNU General Public License version 2 only, as# published by the Free Software Foundation. Oracle designates this# particular file as subject to the "Classpath" exception as provided# by Oracle in the LICENSE file that accompanied this code.## This code is distributed in the hope that it will be useful, but WITHOUT# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License# version 2 for more details (a copy is included in the LICENSE file that# accompanied this code).## You should have received a copy of the GNU General Public License version# 2 along with this work; if not, write to the Free Software Foundation,# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.## Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA# or visit www.oracle.com if you need additional information or have any# questions.####### This file is just a very small wrapper needed to run the real make/Init.gmk.### It also performs some sanity checks on make.#### The shell code below will be executed on /usr/ccs/bin/make on Solaris, but not in GNU Make.# /usr/ccs/bin/make lacks basically every other flow control mechanism..TEST_FOR_NON_GNUMAKE:sh=echo You are not using GNU Make/gmake, this is a requirement. Check your path. 1>&2 && exit 1# The .FEATURES variable is likely to be unique for GNU Make.ifeq ($(.FEATURES), ) $(info Error: '$(MAKE)' does not seem to be GNU Make, which is a requirement.) $(info Check your path, or upgrade to GNU Make 3.81 or newer.) $(error Cannot continue)endif# Assume we have GNU Make, but check version.ifeq ($(strip $(foreach v, 3.81% 3.82% 4.%, $(filter $v, $(MAKE_VERSION)))), ) $(info Error: This version of GNU Make is too low ($(MAKE_VERSION)).) $(info Check your path, or upgrade to GNU Make 3.81 or newer.) $(error Cannot continue)endif# In Cygwin, the MAKE variable gets prepended with the current directory if the# make executable is called using a Windows mixed path (c:/cygwin/bin/make.exe).ifneq ($(findstring :, $(MAKE)), ) MAKE := $(patsubst $(CURDIR)%, %, $(patsubst $(CURDIR)/%, %, $(MAKE)))endif# Locate this Makefileifeq ($(filter /%, $(lastword $(MAKEFILE_LIST))),) makefile_path := $(CURDIR)/$(strip $(lastword $(MAKEFILE_LIST)))else makefile_path := $(lastword $(MAKEFILE_LIST))endiftopdir := $(strip $(patsubst %/, %, $(dir $(makefile_path))))# ... and then we can include the real makefileinclude $(topdir)/make/Init.gmk