#

# Copyright (c) 2011, 2012, 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 must be the first rule

default: all

# Find out which variables were passed explicitely on the make command line. These

# will be passed on to sub-makes, overriding spec.gmk settings.

MAKE_ARGS=$(foreach var,$(subst =command,,$(filter %=command,$(foreach var,$(.VARIABLES),$(var)=$(firstword $(origin $(var)))))),$(var)=$($(var)))

define fatal-error

    # If the user specificed a "global" target (e.g. 'help'), do not exit but continue running

    $$(if $$(findstring help,$$(MAKECMDGOALS)),,$$(error Cannot continue))

endef

ifeq ($(origin VERBOSE),undefined)

    # Setup logging according to LOG (but only if VERBOSE is not given)

    ifeq ($(LOG),)

        # Set LOG to "warn" as default if not set (and no VERBOSE given)

        LOG=warn

    endif

    ifeq ($(LOG),warn)

        VERBOSE=-s

    else ifeq ($(LOG),info)

        VERBOSE=

    else ifeq ($(LOG),debug)

        VERBOSE=

    else ifeq ($(LOG),trace)

        VERBOSE=-d -p

    else

        $(info Error: LOG must be one of: warn, info, debug or trace.)

        $(eval $(call fatal-error))

    endif

else

    ifneq ($(LOG),)

        # We have both a VERBOSE and a LOG argument. This is OK only if this is a repeated call by ourselves,

        # but complain if this is the top-level make call.

        ifeq ($(MAKELEVEL),0)

            $(info Cannot use LOG=$(LOG) and VERBOSE=$(VERBOSE) at the same time. Choose one.)

            $(eval $(call fatal-error))

        endif

    endif

endif

# TODO: Fix duplication in MakeBase.gmk

define SetupLogging

    ifneq ($(findstring $(LOG),debug trace),)

        # Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make

        OLD_SHELL:=$$(SHELL)

        SHELL = $$(warning Building $$@$$(if $$<, (from $$<))$(if $$?, ($$? newer)))$$(OLD_SHELL) -x

    endif

endef

$(eval $(call SetupLogging))

# Find all environment or command line variables that begin with ALT.

list_alt_overrides_with_origins = $(filter ALT_%=environment ALT_%=command,$(foreach var,$(.VARIABLES),$(var)=$(firstword $(origin $(var)))))

list_alt_overrides=$(subst =command,,$(subst =environment,,$(list_alt_overrides_with_origins)))

ifeq ($(filter /%,$(lastword $(MAKEFILE_LIST))),)

    makefile_path=$(CURDIR)/$(lastword $(MAKEFILE_LIST))

else

    makefile_path=$(lastword $(MAKEFILE_LIST))

endif

root_dir=$(patsubst %/common/makefiles/Makefile,%,$(makefile_path))

output_dir=$(root_dir)/build

ifneq ($(origin SPEC),undefined)

    # We have been given a SPEC, check that it works out properly

    ifeq ($(wildcard $(SPEC)),)

        $(info Cannot locate spec.gmk, given by SPEC=$(SPEC))

        $(eval $(call fatal-error))

    endif

    ifneq ($(origin CONF),undefined)

        # We also have a CONF argument. This is OK only if this is a repeated call by ourselves,

        # but complain if this is the top-level make call.

        ifeq ($(MAKELEVEL),0)

            $(info Cannot use CONF=$(CONF) and SPEC=$(SPEC) at the same time. Choose one.)

            $(eval $(call fatal-error))

        endif

    endif

    # ... OK, we're satisfied, we'll use this SPEC later on

else

    # Find all spec.gmk files in the build output directory

    all_spec_files=$(wildcard $(output_dir)/*/spec.gmk)

    ifeq ($(all_spec_files),)

        $(info No configurations found for $(root_dir)! Please run configure to create a configuration.)

        $(eval $(call fatal-error))

    endif

    # Extract the configuration names from the path

    all_confs=$(patsubst %/spec.gmk,%,$(patsubst $(output_dir)/%,%,$(all_spec_files)))

    ifneq ($(origin CONF),undefined)

        # User have given a CONF= argument.

        ifeq ($(CONF),)

            # If given CONF=, match all configurations

            matching_confs=$(strip $(all_confs))

        else

            # Otherwise select those that contain the given CONF string

            matching_confs=$(strip $(foreach var,$(all_confs),$(if $(findstring $(CONF),$(var)),$(var))))

        endif

        ifeq ($(matching_confs),)

            $(info No configurations found matching CONF=$(CONF))

            $(info Available configurations:)

            $(foreach var,$(all_confs),$(info * $(var)))

            $(eval $(call fatal-error))

        else

            ifeq ($(words $(matching_confs)),1)

                $(info Building '$(matching_confs)' (matching CONF=$(CONF)))

            else

                $(info Building the following configurations (matching CONF=$(CONF)):)

                $(foreach var,$(matching_confs),$(info * $(var)))

            endif

        endif

        # Create a SPEC definition. This will contain the path to one or more spec.gmk files.

        SPEC=$(addsuffix /spec.gmk,$(addprefix $(output_dir)/,$(matching_confs)))

    else

        # No CONF or SPEC given, check the available configurations

        ifneq ($(words $(all_spec_files)),1)

            $(info No CONF or SPEC given, but more than one spec.gmk found in $(output_dir).)

            $(info Available configurations:)

            $(foreach var,$(all_confs),$(info * $(var)))

            $(info Please retry building with CONF=<config> or SPEC=<specfile>)

            $(eval $(call fatal-error))

        endif

        # We found exactly one configuration, use it

        SPEC=$(strip $(all_spec_files))

    endif

endif

ifneq ($(words $(SPEC)),1)

# We have multiple configurations to build, call make repeatedly

all jdk hotspot jaxws jaxp corba langtools install images packages clean dist-clean:

	@$(foreach spec,$(SPEC),($(MAKE) -f $(makefile_path) SPEC=$(spec) $(VERBOSE) VERBOSE=$(VERBOSE) $@ $(MAKE_ARGS)) &&) true

.PHONY: all jdk hotspot jaxws jaxp corba langtools install images packages clean dist-clean

else

# This is the main part of the Makefile, for the normal case with SPEC specifying a single existing spec.gmk file.

# Now load the spec

-include $(SPEC)

# Load the vital tools for all the makefiles. 

-include $(SRC_ROOT)/common/makefiles/MakeBase.gmk

# Remove any build.log from a previous run

ifneq (,$(BUILD_LOG))

    $(shell $(RM) $(BUILD_LOG))

endif

# Remove any javac server logs and port files. This

# prevents a new make run to reuse the previous servers.

ifneq (,$(JAVAC_SERVERS))

    $(shell mkdir -p $(JAVAC_SERVERS) && rm -rf $(JAVAC_SERVERS)/*)

endif

# Reset the build timers.

$(eval $(call ResetTimers))

# Clean out any notifications from the previous build.

$(shell find $(OUTPUT_ROOT) -name "_the.*.notify" $(FIND_DELETE))

# If make was called explicitely with -j, don't add a -j ourself to sub-makes, since

# this will be inherited automatically by make. Otherwise use our default for sub-makes.

# The -j in MAKEFLAGS is only visible when executing a recipe, hence this macro.

define GetMakeJobFlag

    $(if $(findstring -j,$(MAKEFLAGS)),,-j$(NUM_CORES))

endef

define CheckEnvironment

    $(if $(list_alt_overrides),

        @$(PRINTF) "\nWARNING: You have the following ALT_ variables set:\n"

    @$(PRINTF) "$(foreach var,$(list_alt_overrides),$(var)=$$$(var))\n"

    @$(PRINTF) "ALT_ variables are deprecated and will be ignored. Please clean your environment.\n"

    )

endef

define PrintStartMessage

    $(if $(VERBOSE),,@$(ECHO) Running make as $(MAKE) $(MFLAGS) $(MAKE_ARGS))

    $(call CheckEnvironment)

    @$(ECHO) "Building OpenJDK for target $(if $(MAKECMDGOALS),'$(MAKECMDGOALS)','all') in configuration '$(CONF_NAME)'"

endef

define PrintEndMessage

    @$(ECHO) "Finished building OpenJDK for target '$@'"

    $(call CheckEnvironment)

endef

all: jdk

	@$(if $(JAVAC_SERVERS),rm -rf $(JAVAC_SERVERS)/*.port)

	@$(call AtRootMakeEnd)

langtools: start-make

	@$(call MakeStart,langtools,all)

	@($(CD) $(LANGTOOLS_TOPDIR)/makefiles && $(BUILD_LOG_WRAPPER) $(MAKE) $(call GetMakeJobFlag) $(LANGTOOLS_MAKE_ARGS) $(MAKE_ARGS))

	@$(call MakeFinish,langtools,all)

corba: langtools

	@$(call MakeStart,corba,all)

	@($(CD) $(CORBA_TOPDIR)/makefiles && $(BUILD_LOG_WRAPPER) $(MAKE) $(call GetMakeJobFlag) $(CORBA_MAKE_ARGS) $(MAKE_ARGS))

	@$(call MakeFinish,corba,all)

jaxp: langtools

	@$(call MakeStart,jaxp,all)

	@($(CD) $(JAXP_TOPDIR)/makefiles && $(BUILD_LOG_WRAPPER) $(MAKE) $(call GetMakeJobFlag) $(CORBA_MAKE_ARGS) $(MAKE_ARGS))

	@$(call MakeFinish,jaxp,all)

jaxws: langtools jaxp

	@$(call MakeStart,jaxws,all)

	@($(CD) $(JAXWS_TOPDIR)/makefiles && $(BUILD_LOG_WRAPPER) $(MAKE) $(call GetMakeJobFlag) $(CORBA_MAKE_ARGS) $(MAKE_ARGS))

	@$(call MakeFinish,jaxws,all)

hotspot: langtools

	@$(call MakeStart,hotspot,all)

	@($(CD) $(HOTSPOT_TOPDIR)/make && $(BUILD_LOG_WRAPPER) $(MAKE) -j1 $(HOTSPOT_MAKE_ARGS) $(MAKE_ARGS))

	@$(call MakeFinish,hotspot,all)

jdk: langtools corba jaxp jaxws hotspot

	@$(call MakeStart,jdk,all)

	@($(CD) $(JDK_TOPDIR)/makefiles && $(BUILD_LOG_WRAPPER) $(MAKE) $(call GetMakeJobFlag) $(JDK_MAKE_ARGS) $(MAKE_ARGS))

	@$(call MakeFinish,jdk,all)

images install packages: source-tips start-make jdk langtools corba jaxp jaxws hotspot

	@$(call MakeStart,jdk-images,$@)

	@($(CD) $(JDK_TOPDIR)/makefiles && $(BUILD_LOG_WRAPPER) $(MAKE) $(call GetMakeJobFlag) $(JDK_MAKE_ARGS) $(MAKE_ARGS) $@)

	@$(call MakeFinish,jdk-images,$@)

	@$(if $(JAVAC_SERVERS),rm -rf $(JAVAC_SERVERS)/*.port)

	@$(call AtRootMakeEnd)

old-images: source-tips start-make jdk langtools corba jaxp jaxws hotspot

	@$(call MakeStart,jdk-old-images,$@)

	@($(CD) $(JDK_TOPDIR)/makefiles && $(BUILD_LOG_WRAPPER) $(MAKE) $(call GetMakeJobFlag) $(JDK_MAKE_ARGS) $(MAKE_ARGS) $@)

	@$(call MakeFinish,old-jdk-images,$@)

	@$(if $(JAVAC_SERVERS),rm -rf $(JAVAC_SERVERS)/*.port)

	@$(call AtRootMakeEnd)

start-make:

	@$(call AtRootMakeStart)

.PHONY: jdk hotspot jaxws jaxp corba langtools install images packages start-make

test: start-make

	@$(call MakeStart,test,$(if $(TEST),$(TEST),all))

	@($(CD) $(SRC_ROOT)/test && $(BUILD_LOG_WRAPPER) $(MAKE) MAKEFLAGS= -j1 PRODUCT_HOME=$(OUTPUT_ROOT)/jdk JPRT_JAVA_HOME=$(OUTPUT_ROOT)/jdk ALT_OUTPUTDIR=$(OUTPUT_ROOT) $(TEST)) || true

	@$(call MakeFinish,test,$(if $(TEST),$(TEST),all))

	@$(call AtRootMakeEnd)

.PHONY: test

# Stores the tips for each repository. This file is be used when constructing the jdk image and can be

# used to track the exact sources used to build that image.

source-tips: $(OUTPUT_ROOT)/source_tips

$(OUTPUT_ROOT)/source_tips: FRC

	@$(MKDIR) -p $(@D)

	@$(RM) $@

	@$(call GetSourceTips)

# Remove everything, except the output from configure.

clean:

	@(cd $(OUTPUT_ROOT) && $(RM) -r `$(LS) $(OUTPUT_ROOT) | grep -v spec.gmk | grep -v Makefile | grep -v config.status | grep -v config.log | grep -v config.h | grep -v configure-arguments | grep -v "localdevenv.*" | grep -v uncygdrive.exe`)

	@$(ECHO) Cleaned everything except the build configuration.

.PHONY: clean

# Remove everything, you have to rerun configure.

dist-clean:

	@$(RM) -r $(OUTPUT_ROOT)

	@$(ECHO) Cleaned everything, you will have to re-run configure.

.PHONY: dist-clean

clean-jdk:

	@(cd $(OUTPUT_ROOT) && $(RM) -r `$(LS) $(OUTPUT_ROOT) | grep -v spec.gmk | grep -v Makefile | grep -v config.status | grep -v config.log |  grep -v config.h | grep -v configure-arguments | \

                               grep -v langtools | grep -v corba | grep -v jaxp | grep -v jaxws | grep -v hotspot`)

	@$(ECHO) "Cleaned jdk build artifacts (but not langtools,corba,jaxp,jaxws,hotspot nor the build configuration)"

.PHONY: clean

endif

# Here are "global" targets, i.e. targets that can be executed without specifying a single configuration.

# If you addd more global targets, please update the fatal-error macro.

help:

	$(info )

	$(info OpenJDK Makefile help)

	$(info =====================)

	$(info )

	$(info Common make targets)

	$(info .  make [all]            # Compile all code but do not create images)

	$(info .  make images           # Create complete j2sdk and j2re images)

	$(info .  make install          # Install the generated images locally)

	$(info .  make clean            # Remove all files generated by make, but not those generated by configure)

	$(info .  make dist-clean       # Remove all files generated by both make and configure)

	$(info .  make help             # Give some help on using make)

	$(info .  make test             # Run tests, default is all tests (see TEST below))

	$(info )

	$(info Useful make variables)

	$(info .  make CONF=            # Build all configurations (note, assignment is empty))

	$(info .  make CONF=<substring> # Build the configuration(s) with a name matching the given substring)

	$(info )

	$(info .  make LOG=<loglevel>   # Change loglevel from warn (default) to the given loglevel)

	$(info .                        # Available loglevels are: warn, info, debug and trace)

	$(info .                        # To see executed command lines, use LOG=info)

	$(info )

	$(info .  make test TEST=<test> # Only run the given test or tests, e.g.)

	$(info .                        # make test TEST="jdk_lang jdk_net")

	$(info )

.PHONY: help

FRC: # Force target