190 lines
8.8 KiB
Makefile
190 lines
8.8 KiB
Makefile
#
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# Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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# This must be the first rule
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default:
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# Inclusion of this pseudo-target will cause make to execute this file
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# serially, regardless of -j. Recursively called makefiles will not be
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# affected, however. This is required for correct dependency management.
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.NOTPARALLEL:
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# The shell code below will be executed on /usr/ccs/bin/make on Solaris, but not in GNU make.
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# /usr/ccs/bin/make lacks basically every other flow control mechanism.
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TEST_FOR_NON_GNUMAKE:sh=echo You are not using GNU make/gmake, this is a requirement. Check your path. 1>&2 && exit 1
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# Assume we have GNU make, but check version.
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ifeq ($(strip $(foreach v, 3.81% 3.82% 4.%, $(filter $v, $(MAKE_VERSION)))), )
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$(error This version of GNU Make is too low ($(MAKE_VERSION)). Check your path, or upgrade to 3.81 or newer.)
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endif
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# Locate this Makefile
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ifeq ($(filter /%,$(lastword $(MAKEFILE_LIST))),)
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makefile_path:=$(CURDIR)/$(lastword $(MAKEFILE_LIST))
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else
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makefile_path:=$(lastword $(MAKEFILE_LIST))
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endif
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root_dir:=$(dir $(makefile_path))
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# ... and then we can include our helper functions
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include $(root_dir)/make/MakeHelpers.gmk
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$(eval $(call ParseLogLevel))
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$(eval $(call ParseConfAndSpec))
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# Now determine if we have zero, one or several configurations to build.
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ifeq ($(SPEC),)
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# Since we got past ParseConfAndSpec, we must be building a global target. Do nothing.
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else
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# In Cygwin, the MAKE variable gets messed up if the make executable is called with
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# a Windows mixed path (c:/cygwin/bin/make.exe). If that's the case, fix it by removing
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# the prepended root_dir.
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ifneq ($(findstring :, $(MAKE)), )
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MAKE := $(patsubst $(root_dir)%, %, $(MAKE))
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endif
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# We are potentially building multiple configurations.
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# First, find out the valid targets
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# Run the makefile with an arbitrary SPEC using -p -q (quiet dry-run and dump rules) to find
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# available PHONY targets. Use this list as valid targets to pass on to the repeated calls.
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all_phony_targets := $(sort $(filter-out $(global_targets), $(strip $(shell \
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cd $(root_dir)/make && $(MAKE) -f Main.gmk -p -q FRC SPEC=$(firstword $(SPEC)) | \
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grep "^.PHONY:" | head -n 1 | cut -d " " -f 2-))))
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# Loop through the configurations and call the main-wrapper for each one. The wrapper
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# target will execute with a single configuration loaded.
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$(all_phony_targets):
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@$(if $(TARGET_RUN),,\
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$(foreach spec,$(SPEC),\
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(cd $(root_dir) && $(MAKE) SPEC=$(spec) MAIN_TARGETS="$(call GetRealTarget)" \
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$(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) main-wrapper) &&) true)
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@echo > /dev/null
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$(eval TARGET_RUN=true)
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.PHONY: $(all_phony_targets)
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ifneq ($(MAIN_TARGETS), )
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# The wrapper target was called so we now have a single configuration. Load the spec file
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# and call the real Main.gmk.
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include $(SPEC)
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### Clean up from previous run
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# Remove any build.log from a previous run, if they exist
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ifneq (,$(BUILD_LOG))
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ifneq (,$(BUILD_LOG_PREVIOUS))
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# Rotate old log
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$(shell $(RM) $(BUILD_LOG_PREVIOUS) 2> /dev/null)
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$(shell $(MV) $(BUILD_LOG) $(BUILD_LOG_PREVIOUS) 2> /dev/null)
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else
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$(shell $(RM) $(BUILD_LOG) 2> /dev/null)
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endif
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$(shell $(RM) $(OUTPUT_ROOT)/build-trace-time.log 2> /dev/null)
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endif
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# Remove any javac server logs and port files. This
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# prevents a new make run to reuse the previous servers.
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ifneq (,$(SJAVAC_SERVER_DIR))
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$(shell $(MKDIR) -p $(SJAVAC_SERVER_DIR) && $(RM) -rf $(SJAVAC_SERVER_DIR)/*)
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endif
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# Split out the targets requiring sequential execution. Run these targets separately
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# from the rest so that the rest may still enjoy full parallel execution.
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SEQUENTIAL_TARGETS := $(filter dist-clean clean% reconfigure, $(MAIN_TARGETS))
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PARALLEL_TARGETS := $(filter-out $(SEQUENTIAL_TARGETS), $(MAIN_TARGETS))
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main-wrapper:
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ifneq ($(SEQUENTIAL_TARGETS), )
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(cd $(root_dir)/make && $(MAKE) -f Main.gmk SPEC=$(SPEC) -j 1 \
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$(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $(SEQUENTIAL_TARGETS))
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endif
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ifneq ($(PARALLEL_TARGETS), )
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@$(call AtMakeStart)
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(cd $(root_dir)/make && $(BUILD_LOG_WRAPPER) $(MAKE) -f Main.gmk SPEC=$(SPEC) -j $(JOBS) \
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$(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $(PARALLEL_TARGETS) \
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$(if $(filter true, $(OUTPUT_SYNC_SUPPORTED)), -O$(OUTPUT_SYNC)))
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@$(call AtMakeEnd)
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endif
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.PHONY: main-wrapper
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endif
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endif
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# Here are "global" targets, i.e. targets that can be executed without specifying a single configuration.
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# If you add more global targets, please update the variable global_targets in MakeHelpers.
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help:
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$(info )
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$(info OpenJDK Makefile help)
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$(info =====================)
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$(info )
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$(info Common make targets)
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$(info . make [default] # Compile all modules in langtools, hotspot, jaxp, jaxws,)
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$(info . # corba and jdk and create a runnable "exploded" image)
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$(info . make all # Compile everything, all repos, docs and images)
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$(info . make images # Create complete j2sdk and j2re images)
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$(info . make docs # Create all docs)
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$(info . make docs-javadoc # Create just javadocs, depends on less than full docs)
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$(info . make profiles # Create complete j2re compact profile images)
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$(info . make bootcycle-images # Build images twice, second time with newly built JDK)
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$(info . make install # Install the generated images locally)
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$(info . make reconfigure # Rerun configure with the same arguments as last time)
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$(info . make clean # Remove all files generated by make, but not those)
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$(info . # generated by configure)
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$(info . make dist-clean # Remove all files, including configuration)
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$(info . make help # Give some help on using make)
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$(info . make test # Run tests, default is all tests (see TEST below))
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$(info )
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$(info Targets for specific modules)
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$(info . make <module> # Build <module> and everything it depends on. )
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$(info . make <module>-only # Build <module> only, without dependencies. This)
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$(info . # is faster but can result in incorrect build results!)
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$(info . make <module>-java # Compile java classes for <module> and everything it)
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$(info . # depends on)
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$(info . make <module>-libs # Build native libraries for <module> and everything it)
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$(info . # depends on)
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$(info . make <module>-launchers# Build native executables for <module> and everything it)
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$(info . # depends on)
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$(info . make <module>-gensrc # Execute the gensrc step for <module> and everything it)
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$(info . # depends on)
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$(info )
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$(info Useful make variables)
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$(info . make CONF= # Build all configurations (note, assignment is empty))
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$(info . make CONF=<substring> # Build the configuration(s) with a name matching)
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$(info . # <substring>)
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$(info )
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$(info . make LOG=<loglevel> # Change the log level from warn to <loglevel>)
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$(info . # Available log levels are:)
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$(info . # 'warn' (default), 'info', 'debug' and 'trace')
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$(info . # To see executed command lines, use LOG=debug)
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$(info )
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$(info . make JOBS=<n> # Run <n> parallel make jobs)
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$(info . # Note that -jN does not work as expected!)
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$(info )
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$(info . make test TEST=<test> # Only run the given test or tests, e.g.)
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$(info . # make test TEST="jdk_lang jdk_net")
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$(info )
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.PHONY: help
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