1# 2# Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. 3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4# 5# This code is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License version 2 only, as 7# published by the Free Software Foundation. Oracle designates this 8# particular file as subject to the "Classpath" exception as provided 9# by Oracle in the LICENSE file that accompanied this code. 10# 11# This code is distributed in the hope that it will be useful, but WITHOUT 12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14# version 2 for more details (a copy is included in the LICENSE file that 15# accompanied this code). 16# 17# You should have received a copy of the GNU General Public License version 18# 2 along with this work; if not, write to the Free Software Foundation, 19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20# 21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22# or visit www.oracle.com if you need additional information or have any 23# questions. 24# 25 26################################################################################ 27# 28# This Makefile, together with Tools.gmk, can be used to compile a set of 29# gcc based cross compilation, portable, self contained packages, capable 30# of building OpenJDK. 31# 32# By default this Makefile will build a native toolchain for the current 33# platform if called with something like this: 34# 35# make tars BASE_OS=OL 36# 37# To build the full set of crosstools for additional platforms, use a command 38# line looking like this: 39# 40# make TARGETS="aarch64-linux-gnu" BASE_OS=Fedora 41# or 42# make TARGETS="arm-linux-gnueabihf ppc64-linux-gnu" BASE_OS=Fedora BASE_OS_VERSION=17 43# 44# to build several devkits for a specific OS version at once. 45# You can find the final results under ../../build/devkit/result/<host>-to-<target> 46# 47# You may want the native toolchain to be used when compiling the cross 48# compilation toolchains. To achieve this, first build the native toolchain, 49# then add the bin directory from this build to the path when invoking this 50# makefile again for cross compilation. Ex: 51# 52# PATH=$PWD/../../build/devkit/result/x86_64-linux-gnu-to-x86_64-linux-gnu/bin:$PATH \ 53# make TARGETS="arm-linux-gnueabihf,ppc64-linux-gnu" BASE_OS=Fedora 54# 55# This is the makefile which iterates over all host and target platforms. 56# 57 58COMMA := , 59 60os := $(shell uname -o) 61cpu := $(shell uname -p) 62 63# Figure out what platform this is building on. 64me := $(cpu)-$(if $(findstring Linux,$(os)),linux-gnu) 65 66$(info Building on platform $(me)) 67 68# 69# By default just build for the current platform, which is assumed to be Linux 70# 71ifeq ($(TARGETS), ) 72 platforms := $(me) 73 host_platforms := $(platforms) 74else 75 platforms := $(subst $(COMMA), , $(TARGETS)) 76 host_platforms := $(me) 77endif 78target_platforms := $(platforms) 79$(info host_platforms $(host_platforms)) 80$(info target_platforms $(target_platforms)) 81 82all compile : $(platforms) 83 84ifeq (,$(SKIP_ME)) 85 $(foreach p,$(filter-out $(me),$(platforms)),$(eval $(p) : $$(me))) 86endif 87 88OUTPUT_ROOT = $(abspath ../../build/devkit) 89RESULT = $(OUTPUT_ROOT)/result 90 91submakevars = HOST=$@ BUILD=$(me) RESULT=$(RESULT) OUTPUT_ROOT=$(OUTPUT_ROOT) 92 93$(host_platforms) : 94 @echo 'Building compilers for $@' 95 @echo 'Targets: $(target_platforms)' 96 for p in $(filter $@, $(target_platforms)) $(filter-out $@, $(target_platforms)); do \ 97 $(MAKE) -f Tools.gmk download-rpms $(submakevars) \ 98 TARGET=$$p PREFIX=$(RESULT)/$@-to-$$p && \ 99 $(MAKE) -f Tools.gmk all $(submakevars) \ 100 TARGET=$$p PREFIX=$(RESULT)/$@-to-$$p && \ 101 $(MAKE) -f Tools.gmk ccache $(submakevars) \ 102 TARGET=$@ PREFIX=$(RESULT)/$@-to-$$p || exit 1 ; \ 103 done 104 @echo 'All done"' 105 106today := $(shell date +%Y%m%d) 107 108define Mktar 109 $(1)-to-$(2)_tar = $$(RESULT)/sdk-$(1)-to-$(2)-$$(today).tar.gz 110 $$($(1)-to-$(2)_tar) : PLATFORM = $(1)-to-$(2) 111 TARFILES += $$($(1)-to-$(2)_tar) 112endef 113 114$(foreach p,$(host_platforms),$(foreach t,$(target_platforms),$(eval $(call Mktar,$(p),$(t))))) 115 116tars : all $(TARFILES) 117onlytars : $(TARFILES) 118%.tar.gz : 119 $(MAKE) -r -f Tars.gmk SRC_DIR=$(RESULT)/$(PLATFORM) TAR_FILE=$@ 120 121clean : 122 rm -rf $(addprefix ../../build/devkit/, result $(host_platforms)) 123dist-clean: clean 124 rm -rf $(addprefix ../../build/devkit/, src download) 125 126FORCE : 127.PHONY : all compile tars $(configs) $(host_platforms) clean dist-clean 128