# 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))

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

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

else

    makefile_path=$(lastword $(MAKEFILE_LIST))

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

# 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

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

# 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

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

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

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

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

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

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

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

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

	@$(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) $@)

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

	@$(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)

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.

	$(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 )

FRC: # Force target