Makefile revision 1327:6ebc4cb8a14d 
1#
2# Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4#
5# This code is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License version 2 only, as
7# published by the Free Software Foundation.  Oracle designates this
8# particular file as subject to the "Classpath" exception as provided
9# by Oracle in the LICENSE file that accompanied this code.
10#
11# This code is distributed in the hope that it will be useful, but WITHOUT
12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14# version 2 for more details (a copy is included in the LICENSE file that
15# accompanied this code).
16#
17# You should have received a copy of the GNU General Public License version
18# 2 along with this work; if not, write to the Free Software Foundation,
19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20#
21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22# or visit www.oracle.com if you need additional information or have any
23# questions.
24#
25
26# This must be the first rule
27default:
28
29# Inclusion of this pseudo-target will cause make to execute this file
30# serially, regardless of -j. Recursively called makefiles will not be
31# affected, however. This is required for correct dependency management.
32.NOTPARALLEL:
33
34# The shell code below will be executed on /usr/ccs/bin/make on Solaris, but not in GNU make.
35# /usr/ccs/bin/make lacks basically every other flow control mechanism.
36.TEST_FOR_NON_GNUMAKE:sh=echo You are not using GNU make/gmake, this is a requirement. Check your path. 1>&2 && exit 1
37
38# Assume we have GNU make, but check version.
39ifeq ($(strip $(foreach v, 3.81% 3.82% 4.%, $(filter $v, $(MAKE_VERSION)))), )
40  $(error This version of GNU Make is too low ($(MAKE_VERSION)). Check your path, or upgrade to 3.81 or newer.)
41endif
42
43# Locate this Makefile
44ifeq ($(filter /%,$(lastword $(MAKEFILE_LIST))),)
45  makefile_path:=$(CURDIR)/$(lastword $(MAKEFILE_LIST))
46else
47  makefile_path:=$(lastword $(MAKEFILE_LIST))
48endif
49root_dir:=$(patsubst %/,%,$(dir $(makefile_path)))
50
51ifeq ($(MAIN_TARGETS), )
52  COMMAND_LINE_VARIABLES:=$(subst =command,,$(filter %=command,$(foreach var,$(.VARIABLES),$(var)=$(firstword $(origin $(var))))))
53  MAKE_CONTROL_VARIABLES:=LOG CONF SPEC JOBS TEST IGNORE_OLD_CONFIG
54  UNKNOWN_COMMAND_LINE_VARIABLES:=$(strip $(filter-out $(MAKE_CONTROL_VARIABLES), $(COMMAND_LINE_VARIABLES)))
55  ifneq ($(UNKNOWN_COMMAND_LINE_VARIABLES), )
56    $(info Note: Command line contains non-control variables: $(UNKNOWN_COMMAND_LINE_VARIABLES).)
57    $(info Make sure it is not mistyped, and that you intend to override this variable.)
58    $(info 'make help' will list known control variables)
59  endif
60endif
61
62ifneq ($(findstring qp,$(MAKEFLAGS)),)
63  # When called with -qp, assume an external part (e.g. bash completion) is trying
64  # to understand our targets.
65  # Duplication of global targets, needed before ParseConfAndSpec in case we have
66  # no configurations.
67  help:
68  # If both CONF and SPEC are unset, look for all available configurations by
69  # setting CONF to the empty string.
70  ifeq ($(SPEC), )
71    CONF?=
72  endif
73endif
74
75# ... and then we can include our helper functions
76include $(root_dir)/make/MakeHelpers.gmk
77
78$(eval $(call ParseLogLevel))
79$(eval $(call ParseConfAndSpec))
80
81# Now determine if we have zero, one or several configurations to build.
82ifeq ($(SPEC),)
83  # Since we got past ParseConfAndSpec, we must be building a global target. Do nothing.
84else
85  # In Cygwin, the MAKE variable gets messed up if the make executable is called with
86  # a Windows mixed path (c:/cygwin/bin/make.exe). If that's the case, fix it by removing
87  # the prepended root_dir.
88  ifneq ($(findstring :, $(MAKE)), )
89    MAKE := $(patsubst $(root_dir)%, %, $(MAKE))
90  endif
91
92  # We are potentially building multiple configurations.
93  # First, find out the valid targets
94  # Run the makefile with an arbitrary SPEC using -p -q (quiet dry-run and dump rules) to find
95  # available PHONY targets. Use this list as valid targets to pass on to the repeated calls.
96  all_phony_targets := $(sort $(filter-out $(global_targets), $(strip $(shell \
97      cd $(root_dir)/make && $(MAKE) -f Main.gmk -p -q FRC SPEC=$(firstword $(SPEC)) \
98      -I $(root_dir)/make/common | grep "^.PHONY:" | head -n 1 | cut -d " " -f 2-))))
99
100  # Loop through the configurations and call the main-wrapper for each one. The wrapper
101  # target will execute with a single configuration loaded.
102  $(all_phony_targets):
103	@$(if $(TARGET_RUN),,\
104          $(foreach spec,$(SPEC),\
105            (cd $(root_dir) && $(MAKE) SPEC=$(spec) MAIN_TARGETS="$(call GetRealTarget)" \
106	    $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) main-wrapper) &&) true)
107	@echo > /dev/null
108	$(eval TARGET_RUN=true)
109
110  .PHONY: $(all_phony_targets)
111
112  ifneq ($(MAIN_TARGETS), )
113    # The wrapper target was called so we now have a single configuration. Load the spec file
114    # and call the real Main.gmk.
115    include $(SPEC)
116    include $(SRC_ROOT)/make/common/MakeBase.gmk
117
118    ### Clean up from previous run
119    # Remove any build.log from a previous run, if they exist
120    ifneq (,$(BUILD_LOG))
121      ifneq (,$(BUILD_LOG_PREVIOUS))
122        # Rotate old log
123        $(shell $(RM) $(BUILD_LOG_PREVIOUS) 2> /dev/null)
124        $(shell $(MV) $(BUILD_LOG) $(BUILD_LOG_PREVIOUS) 2> /dev/null)
125      else
126        $(shell $(RM) $(BUILD_LOG) 2> /dev/null)
127      endif
128      $(shell $(RM) $(OUTPUT_ROOT)/build-trace-time.log 2> /dev/null)
129    endif
130    # Remove any javac server logs and port files. This
131    # prevents a new make run to reuse the previous servers.
132    ifneq (,$(SJAVAC_SERVER_DIR))
133      $(shell $(MKDIR) -p $(SJAVAC_SERVER_DIR) && $(RM) -rf $(SJAVAC_SERVER_DIR)/*)
134    endif
135
136    # Split out the targets requiring sequential execution. Run these targets separately
137    # from the rest so that the rest may still enjoy full parallel execution.
138    SEQUENTIAL_TARGETS := $(filter dist-clean clean% reconfigure, $(MAIN_TARGETS))
139    PARALLEL_TARGETS := $(filter-out $(SEQUENTIAL_TARGETS), $(MAIN_TARGETS))
140
141    main-wrapper:
142        ifneq ($(SEQUENTIAL_TARGETS), )
143	  (cd $(SRC_ROOT)/make && $(MAKE) -f Main.gmk SPEC=$(SPEC) -j 1 \
144	      $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $(SEQUENTIAL_TARGETS))
145        endif
146        ifneq ($(PARALLEL_TARGETS), )
147	  @$(call AtMakeStart)
148	  (cd $(SRC_ROOT)/make && $(BUILD_LOG_WRAPPER) $(MAKE) -f Main.gmk SPEC=$(SPEC) -j $(JOBS) \
149	      $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $(PARALLEL_TARGETS) \
150	      $(if $(filter true, $(OUTPUT_SYNC_SUPPORTED)), -O$(OUTPUT_SYNC)))
151	  @$(call AtMakeEnd)
152        endif
153
154     .PHONY: main-wrapper
155
156   endif
157endif
158
159# Here are "global" targets, i.e. targets that can be executed without specifying a single configuration.
160# If you add more global targets, please update the variable global_targets in MakeHelpers.
161
162# Helper macro to allow $(info) to properly print strings beginning with spaces.
163_:=
164
165help:
166	$(info )
167	$(info OpenJDK Makefile help)
168	$(info =====================)
169	$(info )
170	$(info Common make targets)
171	$(info $(_) make [default]         # Compile all modules in langtools, hotspot, jdk, jaxws,)
172	$(info $(_)                        # jaxp and corba, and create a runnable "exploded" image)
173	$(info $(_) make all               # Compile everything, all repos, docs and images)
174	$(info $(_) make images            # Create complete j2sdk and j2re images)
175	$(info $(_) make <phase>           # Build the specified phase and everything it depends on)
176	$(info $(_)                        # (gensrc, java, copy, libs, launchers, gendata, rmic))
177	$(info $(_) make *-only            # Applies to most targets and disables compling the)
178	$(info $(_)                        # dependencies for the target. This is faster but may)
179	$(info $(_)                        # result in incorrect build results!)
180	$(info $(_) make docs              # Create all docs)
181	$(info $(_) make docs-javadoc      # Create just javadocs, depends on less than full docs)
182	$(info $(_) make profiles          # Create complete j2re compact profile images)
183	$(info $(_) make bootcycle-images  # Build images twice, second time with newly built JDK)
184	$(info $(_) make install           # Install the generated images locally)
185	$(info $(_) make reconfigure       # Rerun configure with the same arguments as last time)
186	$(info $(_) make help              # Give some help on using make)
187	$(info $(_) make test              # Run tests, default is all tests (see TEST below))
188	$(info )
189	$(info Targets for cleaning)
190	$(info $(_) make clean             # Remove all files generated by make, but not those)
191	$(info $(_)                        # generated by configure)
192	$(info $(_) make dist-clean        # Remove all files, including configuration)
193	$(info $(_) make clean-<outputdir> # Remove the subdir in the output dir with the name)
194	$(info $(_) make clean-<phase>     # Remove all build results related to a certain build)
195	$(info $(_)                        # phase (gensrc, java, libs, launchers))
196	$(info $(_) make clean-<module>    # Remove all build results related to a certain module)
197	$(info $(_) make clean-<module>-<phase> # Remove all build results related to a certain)
198	$(info $(_)                        # module and phase)
199	$(info )
200	$(info Targets for specific modules)
201	$(info $(_) make <module>          # Build <module> and everything it depends on.)
202	$(info $(_) make <module>-<phase>  # Compile the specified phase for the specified module)
203	$(info $(_)                        # and everything it depends on)
204	$(info $(_)                        # (gensrc, java, copy, libs, launchers, gendata, rmic))
205	$(info )
206	$(info Make control variables)
207	$(info $(_) CONF=                  # Build all configurations (note, assignment is empty))
208	$(info $(_) CONF=<substring>       # Build the configuration(s) with a name matching)
209	$(info $(_)                        # <substring>)
210	$(info $(_) SPEC=<spec file>       # Build the configuration given by the spec file)
211	$(info $(_) LOG=<loglevel>         # Change the log level from warn to <loglevel>)
212	$(info $(_)                        # Available log levels are:)
213	$(info $(_)                        # 'warn' (default), 'info', 'debug' and 'trace')
214	$(info $(_)                        # To see executed command lines, use LOG=debug)
215	$(info $(_) JOBS=<n>               # Run <n> parallel make jobs)
216	$(info $(_)                        # Note that -jN does not work as expected!)
217	$(info $(_) IGNORE_OLD_CONFIG=true # Skip tests if spec file is up to date)
218	$(info $(_) make test TEST=<test>  # Only run the given test or tests, e.g.)
219	$(info $(_)                        # make test TEST="jdk_lang jdk_net")
220	$(info )
221
222.PHONY: help
223