#

# 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

  # In Cygwin, the MAKE variable gets messed up if the make executable is called with

  # a Windows mixed path (c:/cygwin/bin/make.exe). If that's the case, fix it by removing

  # the prepended root_dir.

  ifneq ($(findstring :, $(MAKE)), )

    MAKE := $(patsubst $(root_dir)%, %, $(MAKE))

  endif

  # We are potentially 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 := $(sort $(filter-out $(global_targets), $(strip $(shell \

      cd $(root_dir)/make && $(MAKE) -f Main.gmk -p -q FRC SPEC=$(firstword $(SPEC)) | \

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

  # Loop through the configurations and call the main-wrapper for each one. The wrapper

  # target will execute with a single configuration loaded.

  $(all_phony_targets):

	@$(if $(TARGET_RUN),,\

          $(foreach spec,$(SPEC),\

            (cd $(root_dir) && $(MAKE) SPEC=$(spec) MAIN_TARGETS="$(call GetRealTarget)" \

	    $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) main-wrapper) &&) true)

	@echo > /dev/null

	$(eval TARGET_RUN=true)

  .PHONY: $(all_phony_targets)

  ifneq ($(MAIN_TARGETS), )

    # The wrapper target was called so we now have a single configuration. Load the spec file

    # and call the real Main.gmk.

    include $(SPEC)

    ### Clean up from previous run

    # Remove any build.log from a previous run, if they exist

    ifneq (,$(BUILD_LOG))

      ifneq (,$(BUILD_LOG_PREVIOUS))

        # Rotate old log

        $(shell $(RM) $(BUILD_LOG_PREVIOUS) 2> /dev/null)

        $(shell $(MV) $(BUILD_LOG) $(BUILD_LOG_PREVIOUS) 2> /dev/null)

      else

        $(shell $(RM) $(BUILD_LOG) 2> /dev/null)

      endif

      $(shell $(RM) $(OUTPUT_ROOT)/build-trace-time.log 2> /dev/null)

    endif

    # Remove any javac server logs and port files. This

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

    ifneq (,$(SJAVAC_SERVER_DIR))

      $(shell $(MKDIR) -p $(SJAVAC_SERVER_DIR) && $(RM) -rf $(SJAVAC_SERVER_DIR)/*)

    endif

    # Split out the targets requiring sequential execution. Run these targets separately

    # from the rest so that the rest may still enjoy full parallel execution.

    SEQUENTIAL_TARGETS := $(filter dist-clean clean% reconfigure, $(MAIN_TARGETS))

    PARALLEL_TARGETS := $(filter-out $(SEQUENTIAL_TARGETS), $(MAIN_TARGETS))

    main-wrapper:

        ifneq ($(SEQUENTIAL_TARGETS), )

	  (cd $(root_dir)/make && $(MAKE) -f Main.gmk SPEC=$(SPEC) -j 1 \

	      $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $(SEQUENTIAL_TARGETS))

        endif

        ifneq ($(PARALLEL_TARGETS), )

	  @$(call AtMakeStart)

	  (cd $(root_dir)/make && $(BUILD_LOG_WRAPPER) $(MAKE) -f Main.gmk SPEC=$(SPEC) -j $(JOBS) \

	      $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $(PARALLEL_TARGETS) \

	      $(if $(filter true, $(OUTPUT_SYNC_SUPPORTED)), -O$(OUTPUT_SYNC)))

	  @$(call AtMakeEnd)

        endif

     .PHONY: main-wrapper

   endif

endif

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

# If you add 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 modules in langtools, hotspot, jaxp, jaxws,)

	$(info .                         # corba and jdk and create a runnable "exploded" image)

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

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

	$(info .  make docs              # Create all docs)

	$(info .  make docs-javadoc      # Create just javadocs, depends on less than full docs)

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

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

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

	$(info .  make reconfigure       # Rerun configure with the same arguments as last time)

	$(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 modules)

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

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

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

	$(info .  make <module>-java     # Compile java classes for <module> and everything it)

	$(info .                         # depends on)

	$(info .  make <module>-libs     # Build native libraries for <module> and everything it)

	$(info .                         # depends on)

	$(info .  make <module>-launchers# Build native executables for <module> and everything it)

	$(info .                         # depends on)

	$(info .  make <module>-gensrc   # Execute the gensrc step for <module> and everything it)

	$(info .                         # depends on)

	$(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