#+
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# Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.+
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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#+
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# This code is free software; you can redistribute it and/or modify it+
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# under the terms of the GNU General Public License version 2 only, as+
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# published by the Free Software Foundation.  Oracle designates this+
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# particular file as subject to the "Classpath" exception as provided+
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# by Oracle in the LICENSE file that accompanied this code.+
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#+
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# This code is distributed in the hope that it will be useful, but WITHOUT+
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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# version 2 for more details (a copy is included in the LICENSE file that+
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# accompanied this code).+
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#+
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# You should have received a copy of the GNU General Public License version+
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# 2 along with this work; if not, write to the Free Software Foundation,+
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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#+
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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# or visit www.oracle.com if you need additional information or have any+
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# questions.+
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#+
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+
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################################################################################+
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#+
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# This Makefile, together with Tools.gmk, can be used to compile a set of+
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# gcc based cross compilation, portable, self contained packages, capable+
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# of building OpenJDK.+
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#+
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# In addition to the makefiles, access to Oracle Linux installation+
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# media is required. This has been tested against Oracle Enterprise Linux+
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# 6.4.+
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#+
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# By default this Makefile will build a native toolchain for the current+
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# platform if called with something like this:+
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#+
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# make tars+
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#+
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# To build the full set of crosstools for additional platforms, use a command+
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# line looking like this:+
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#+
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# make cross_compile_target="aarch64-linux-gnu" BASE_OS=Fedora27+
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# or+
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# make cross_compile_target="arm-linux-gnueabihf" BASE_OS=Fedora27+
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#+
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# This is the makefile which iterates over all host and target platforms.+
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#+
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+
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os := $(shell uname -o)+
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cpu := $(shell uname -p)+
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+
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# Figure out what platform this is building on.+
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me := $(cpu)-$(if $(findstring Linux,$(os)),unknown-linux-gnu)+
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+
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$(info Building on platform $(me))+
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+
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#+
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# By default just build for the current platform, which is assumed to be Linux+
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#+
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ifeq ($(cross_compile_target), )+
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  platforms := $(me)+
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  host_platforms := $(platforms)+
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else+
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  platforms := $(cross_compile_target)+
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  host_platforms := $(me)+
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endif+
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target_platforms := $(platforms)+
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$(info host_platforms $(host_platforms))+
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$(info target_platforms $(target_platforms))+
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+
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all compile : $(platforms)+
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+
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ifeq (,$(SKIP_ME))+
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  $(foreach p,$(filter-out $(me),$(platforms)),$(eval $(p) : $$(me)))+
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endif+
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+
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OUTPUT_ROOT = $(abspath ../../build/devkit)+
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RESULT = $(OUTPUT_ROOT)/result+
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+
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submakevars = HOST=$@ BUILD=$(me) \+
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    RESULT=$(RESULT) PREFIX=$(RESULT)/$@ \+
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    OUTPUT_ROOT=$(OUTPUT_ROOT)+
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$(host_platforms) :+
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	@echo 'Building compilers for $@'+
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	@echo 'Targets: $(target_platforms)'+
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	for p in $(filter $@, $(target_platforms)) $(filter-out $@, $(target_platforms)); do \+
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	  $(MAKE) -f Tools.gmk download-rpms $(submakevars) TARGET=$$p && \+
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	  $(MAKE) -f Tools.gmk all $(submakevars) \+
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	      TARGET=$$p || exit 1 ; \+
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	done+
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	@echo 'Building ccache program for $@'+
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	$(MAKE) -f Tools.gmk ccache $(submakevars) TARGET=$@+
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	@echo 'All done"'+
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+
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today := $(shell date +%Y%m%d)+
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+
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define Mktar+
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  $(1)_tar = $$(RESULT)/sdk-$(1)-$$(today).tar.gz+
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  $$($(1)_tar) : PLATFORM = $(1)+
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  TARFILES += $$($(1)_tar)+
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  $$($(1)_tar) : $(1) $$(shell find $$(RESULT)/$(1))+
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endef+
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+
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$(foreach p,$(host_platforms),$(eval $(call Mktar,$(p))))+
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+
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tars : all $(TARFILES)+
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onlytars : $(TARFILES)+
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%.tar.gz :+
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	@echo 'Creating compiler package $@'+
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	cd $(RESULT)/$(PLATFORM) && tar -czf $@ *+
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	touch $@+
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+
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clean :+
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	rm -rf $(addprefix ../../build/devkit/, result $(host_platforms))+
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dist-clean: clean+
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	rm -rf $(addprefix ../../build/devkit/, src download)+
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+
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FORCE :+
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.PHONY : all compile tars $(configs) $(host_platforms) clean dist-clean+
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