#

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

default:

# Inclusion of this pseudo-target will cause make to execute this file

# serially, regardless of -j. Recursively called makefiles will not be

# affected, however. This is required for correct dependency management.

.NOTPARALLEL:

# The shell code below will be executed on /usr/ccs/bin/make on Solaris, but not in GNU make.

# /usr/ccs/bin/make lacks basically every other flow control mechanism.

TEST_FOR_NON_GNUMAKE:sh=echo You are not using GNU make/gmake, this is a requirement. Check your path. 1>&2 && exit 1

# Assume we have GNU make, but check version.

ifeq ($(strip $(foreach v, 3.81% 3.82% 4.%, $(filter $v, $(MAKE_VERSION)))), )

  $(error This version of GNU Make is too low ($(MAKE_VERSION)). Check your path, or upgrade to 3.81 or newer.)

endif

# Locate this Makefile

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

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

else

  makefile_path:=$(lastword $(MAKEFILE_LIST))

endif

root_dir:=$(dir $(makefile_path))

# ... and then we can include our helper functions

include $(root_dir)/make/MakeHelpers.gmk

$(eval $(call ParseLogLevel))

$(eval $(call ParseConfAndSpec))

# Now determine if we have zero, one or several configurations to build.

ifeq ($(SPEC),)

  # Since we got past ParseConfAndSpec, we must be building a global target. Do nothing.

else

  ifeq ($(words $(SPEC)),1)

    # We are building a single configuration. This is the normal case. Execute the Main.gmk file.

    include $(root_dir)/make/Main.gmk

  else

    # We are building multiple configurations.

    # First, find out the valid targets

    # Run the makefile with an arbitrary SPEC using -p -q (quiet dry-run and dump rules) to find

    # available PHONY targets. Use this list as valid targets to pass on to the repeated calls.

    all_phony_targets=$(filter-out $(global_targets), $(strip $(shell \

        cd $(root_dir) && $(MAKE) -p -q FRC SPEC=$(firstword $(SPEC)) | \

        grep ^.PHONY: | head -n 1 | cut -d " " -f 2-)))

    $(all_phony_targets):

	@$(foreach spec,$(SPEC),(cd $(root_dir) && $(MAKE) SPEC=$(spec) \

	    $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $@) &&) true

    .PHONY: $(all_phony_targets)

  endif

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 variable global_targets in MakeHelpers.

help:

	$(info )

	$(info OpenJDK Makefile help)

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

	$(info )

	$(info Common make targets)

	$(info .  make [default]         # Compile all product in langtools, hotspot, jaxp, jaxws,)

	$(info .                         # corba and jdk)

	$(info .  make all               # Compile everything, all repos and images)

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

	$(info .  make docs              # Create javadocs)

	$(info .  make overlay-images    # Create limited images for sparc 64 bit platforms)

	$(info .  make profiles          # Create complete j2re compact profile images)

	$(info .  make bootcycle-images  # Build images twice, second time with newly build JDK)

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

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

	$(info .                         # generated by configure)

	$(info .  make dist-clean        # Remove all files, including configuration)

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

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

	$(info )

	$(info Targets for specific components)

	$(info (Component is any of langtools, corba, jaxp, jaxws, hotspot, jdk, nashorn, images, overlay-images, docs or test))

	$(info .  make <component>       # Build <component> and everything it depends on. )

	$(info .  make <component>-only  # Build <component> only, without dependencies. This)

	$(info .                         # is faster but can result in incorrect build results!)

	$(info .  make clean-<component> # Remove files generated by make for <component>)

	$(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)

	$(info .                         # <substring>)

	$(info )

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

	$(info .                         # Available log levels are:)

	$(info .                         # 'warn' (default), 'info', 'debug' and 'trace')

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

	$(info )

	$(info .  make JOBS=<n>          # Run <n> parallel make jobs)

	$(info .                         # Note that -jN does not work as expected!)

	$(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