Makefile revision 1327:6ebc4cb8a14d
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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