Makefile - platform/libcore - Gitiles

 #
 # 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) bundles bundles-only final-images-only, $(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

 # Include this after a potential spec file has been included so that the bundles target
 # has access to the spec variables.
 include $(root_dir)/make/Jprt.gmk

 # 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
	#
	# 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) bundles bundles-only final-images-only, $(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

	# Include this after a potential spec file has been included so that the bundles target
	# has access to the spec variables.
	include $(root_dir)/make/Jprt.gmk

	# 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