#

# Copyright (c) 2013, 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 Makefile, together with Tools.gmk, can be used to compile a set of

# gcc based cross compilation, portable, self contained packages, capable

# of building OpenJDK.

#

# In addition to the makefiles, access to Oracle Linux installation

# media is required. This has been tested against Oracle Enterprise Linux

# 5.5. Set variables RPM_DIR_x86_64 and RPM_DIR_i686 respectively to point

# to directory containing the RPMs.

#

# By default this Makefile will build crosstools for:

# * i686-unknown-linux-gnu

# * x86_64-unknown-linux-gnu

# The x86_64 version of the compilers will work in multi arch mode and will

# be able to compile 32bit binaries with the -m32 flag. This makes the

# explicit cross compiler for i686 somewhat redundant and is a known issue.

#

# To build the full set of crosstools, use a command line looking like this:

#

# make tars RPM_DIR_x86_64=/tmp/oel55-x86_64/Server/ RPM_DIR_i686=/tmp/oel55-i686/Server/

#

# To create a x86_64 package without the redundant i686 cross compiler, do

# like this:

#

# make tars platforms=x86_64-unknown-linux-gnu RPM_DIR_x86_64=/tmp/oel55-x86_64/Server/ RPM_DIR_i686=/tmp/oel55-i686/Server/

#

# Main makefile which iterates over all host and target platforms.

#

os := $(shell uname -o)

cpu := x86_64

#$(shell uname -p)

#

# This wrapper script can handle exactly these platforms

#

platforms := $(foreach p,x86_64 i686,$(p)-unknown-linux-gnu)

#platforms := $(foreach p,x86_64,$(p)-unknown-linux-gnu)

# Figure out what platform this is building on.

me := $(cpu)-$(if $(findstring Linux,$(os)),unknown-linux-gnu)

$(info Building on platform $(me))

all compile : $(platforms)

ifeq (,$(SKIP_ME))

  $(foreach p,$(filter-out $(me),$(platforms)),$(eval $(p) : $$(me)))

endif

RESULT = $(OUTPUT_ROOT)/result

submakevars = HOST=$@ BUILD=$(me) \

    RESULT=$(RESULT) PREFIX=$(RESULT)/$@ \

    OUTPUT_ROOT=$(OUTPUT_ROOT)

$(platforms) :

	@echo 'Building compilers for $@'

	@echo 'Targets: $(platforms)'

	for p in $@ $(filter-out $@,$(platforms)); do \

	  $(MAKE) -f Tools.gmk all $(submakevars) \

	      TARGET=$$p || exit 1 ; \

	done

	@echo 'Building ccache program for $@'

	$(MAKE) -f Tools.gmk ccache $(submakevars) TARGET=$@

	@echo 'All done"'

$(foreach a,i686 x86_64,$(eval $(a) : $(filter $(a)%,$(platforms))))

ia32 : i686

today := $(shell date +%Y%m%d)

define Mktar

  $(1)_tar = $$(RESULT)/sdk-$(1)-$$(today).tar.gz

  $$($(1)_tar) : PLATFORM = $(1)

  TARFILES += $$($(1)_tar)

  $$($(1)_tar) : $(1) $$(shell find $$(RESULT)/$(1))

endef

$(foreach p,$(platforms),$(eval $(call Mktar,$(p))))

tars : all $(TARFILES)

onlytars : $(TARFILES)

%.tar.gz :

	@echo 'Creating compiler package $@'

	cd $(RESULT)/$(PLATFORM) && tar -czf $@ *

	touch $@

clean :

	rm -rf build result

FORCE :

.PHONY : $(configs) $(platforms)