#

# 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

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#

# 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

endif

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

help:

	$(info )

	$(info OpenJDK Makefile help)

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

	$(info )

	$(info Common make targets)

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

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

	$(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