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
  27 default:
  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.
  39 ifeq ($(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.)
  41 endif
  42 
  43 # Locate this Makefile
  44 ifeq ($(filter /%,$(lastword $(MAKEFILE_LIST))),)
  45   makefile_path:=$(CURDIR)/$(lastword $(MAKEFILE_LIST))
  46 else
  47   makefile_path:=$(lastword $(MAKEFILE_LIST))
  48 endif
  49 root_dir:=$(patsubst %/,%,$(dir $(makefile_path)))
  50 
  51 ifneq ($(findstring qp,$(MAKEFLAGS)),)
  52   # When called with -qp, assume an external part (e.g. bash completion) is trying
  53   # to understand our targets.
  54   # Duplication of global targets, needed before ParseConfAndSpec in case we have
  55   # no configurations.
  56   help:
  57   # If both CONF and SPEC are unset, look for all available configurations by
  58   # setting CONF to the empty string.
  59   ifeq ($(SPEC), )
  60     CONF?=
  61   endif
  62 endif
  63 
  64 # ... and then we can include our helper functions
  65 include $(root_dir)/make/MakeHelpers.gmk
  66 
  67 $(eval $(call ParseLogLevel))
  68 $(eval $(call ParseConfAndSpec))
  69 
  70 # Now determine if we have zero, one or several configurations to build.
  71 ifeq ($(SPEC),)
  72   # Since we got past ParseConfAndSpec, we must be building a global target. Do nothing.
  73 else
  74   # In Cygwin, the MAKE variable gets messed up if the make executable is called with
  75   # a Windows mixed path (c:/cygwin/bin/make.exe). If that's the case, fix it by removing
  76   # the prepended root_dir.
  77   ifneq ($(findstring :, $(MAKE)), )
  78     MAKE := $(patsubst $(root_dir)%, %, $(MAKE))
  79   endif
  80 
  81   # We are potentially building multiple configurations.
  82   # First, find out the valid targets
  83   # Run the makefile with an arbitrary SPEC using -p -q (quiet dry-run and dump rules) to find
  84   # available PHONY targets. Use this list as valid targets to pass on to the repeated calls.
  85   all_phony_targets := $(sort $(filter-out $(global_targets), $(strip $(shell \
  86       cd $(root_dir)/make && $(MAKE) -f Main.gmk -p -q FRC SPEC=$(firstword $(SPEC)) \
  87       -I $(root_dir)/make/common | grep "^.PHONY:" | head -n 1 | cut -d " " -f 2-))))
  88 
  89   # Loop through the configurations and call the main-wrapper for each one. The wrapper
  90   # target will execute with a single configuration loaded.
  91   $(all_phony_targets):
  92         @$(if $(TARGET_RUN),,\
  93           $(foreach spec,$(SPEC),\
  94             (cd $(root_dir) && $(MAKE) SPEC=$(spec) MAIN_TARGETS="$(call GetRealTarget)" \
  95             $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) main-wrapper) &&) true)
  96         @echo > /dev/null
  97         $(eval TARGET_RUN=true)
  98 
  99   .PHONY: $(all_phony_targets)
 100 
 101   ifneq ($(MAIN_TARGETS), )
 102     # The wrapper target was called so we now have a single configuration. Load the spec file
 103     # and call the real Main.gmk.
 104     include $(SPEC)
 105     include $(SRC_ROOT)/make/common/MakeBase.gmk
 106 
 107     ### Clean up from previous run
 108     # Remove any build.log from a previous run, if they exist
 109     ifneq (,$(BUILD_LOG))
 110       ifneq (,$(BUILD_LOG_PREVIOUS))
 111         # Rotate old log
 112         $(shell $(RM) $(BUILD_LOG_PREVIOUS) 2> /dev/null)
 113         $(shell $(MV) $(BUILD_LOG) $(BUILD_LOG_PREVIOUS) 2> /dev/null)
 114       else
 115         $(shell $(RM) $(BUILD_LOG) 2> /dev/null)
 116       endif
 117       $(shell $(RM) $(OUTPUT_ROOT)/build-trace-time.log 2> /dev/null)
 118     endif
 119     # Remove any javac server logs and port files. This
 120     # prevents a new make run to reuse the previous servers.
 121     ifneq (,$(SJAVAC_SERVER_DIR))
 122       $(shell $(MKDIR) -p $(SJAVAC_SERVER_DIR) && $(RM) -rf $(SJAVAC_SERVER_DIR)/*)
 123     endif
 124 
 125     # Split out the targets requiring sequential execution. Run these targets separately
 126     # from the rest so that the rest may still enjoy full parallel execution.
 127     SEQUENTIAL_TARGETS := $(filter dist-clean clean% reconfigure, $(MAIN_TARGETS))
 128     PARALLEL_TARGETS := $(filter-out $(SEQUENTIAL_TARGETS), $(MAIN_TARGETS))
 129 
 130     main-wrapper:
 131         ifneq ($(SEQUENTIAL_TARGETS), )
 132           (cd $(SRC_ROOT)/make && $(MAKE) -f Main.gmk SPEC=$(SPEC) -j 1 \
 133               $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $(SEQUENTIAL_TARGETS))
 134         endif
 135         ifneq ($(PARALLEL_TARGETS), )
 136           @$(call AtMakeStart)
 137           (cd $(SRC_ROOT)/make && $(BUILD_LOG_WRAPPER) $(MAKE) -f Main.gmk SPEC=$(SPEC) -j $(JOBS) \
 138               $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $(PARALLEL_TARGETS) \
 139               $(if $(filter true, $(OUTPUT_SYNC_SUPPORTED)), -O$(OUTPUT_SYNC)))
 140           @$(call AtMakeEnd)
 141         endif
 142 
 143      .PHONY: main-wrapper
 144 
 145    endif
 146 endif
 147 
 148 # Here are "global" targets, i.e. targets that can be executed without specifying a single configuration.
 149 # If you add more global targets, please update the variable global_targets in MakeHelpers.
 150 
 151 help:
 152         $(info )
 153         $(info OpenJDK Makefile help)
 154         $(info =====================)
 155         $(info )
 156         $(info Common make targets)
 157         $(info .  make [default]         # Compile all modules in langtools, hotspot, jaxp, jaxws,)
 158         $(info .                         # corba and jdk and create a runnable "exploded" image)
 159         $(info .  make all               # Compile everything, all repos, docs and images)
 160         $(info .  make images            # Create complete jdk and jre images)
 161         $(info .  make <phase>           # Compile the specified phase and everything it depends on)
 162         $(info .                         # (gensrc, java, copy, libs, launchers, gendata, rmic))
 163         $(info .  make *-only            # Applies to most targets and disables compling the)
 164         $(info .                         # dependencies for the target. This is faster but may)
 165         $(info .                         # result in incorrect build results!)
 166         $(info .  make docs              # Create all docs)
 167         $(info .  make docs-javadoc      # Create just javadocs, depends on less than full docs)
 168         $(info .  make profiles          # Create complete jre compact profile images)
 169         $(info .  make bootcycle-images  # Build images twice, second time with newly built JDK)
 170         $(info .  make install           # Install the generated images locally)
 171         $(info .  make reconfigure       # Rerun configure with the same arguments as last time)
 172         $(info .  make help              # Give some help on using make)
 173         $(info .  make test              # Run tests, default is all tests (see TEST below))
 174         $(info )
 175         $(info Targets for cleaning)
 176         $(info .  make clean             # Remove all files generated by make, but not those)
 177         $(info .                         # generated by configure)
 178         $(info .  make dist-clean        # Remove all files, including configuration)
 179         $(info .  make clean-<outputdir> # Remove the subdir in the output dir with the name)
 180         $(info .  make clean-<phase>     # Remove all build results related to a certain build)
 181         $(info .                         # phase (gensrc, java, libs, launchers))
 182         $(info .  make clean-<module>    # Remove all build results related to a certain module)
 183         $(info .  make clean-<module>-<phase> # Remove all build results related to a certain)
 184         $(info .                         # module and phase)
 185         $(info )
 186         $(info Targets for specific modules)
 187         $(info .  make <module>          # Build <module> and everything it depends on. )
 188         $(info .  make <module>-<phase>  # Compile the specified phase for the specified module)
 189         $(info .                         # and everything it depends on)
 190         $(info .                         # (gensrc, java, copy, libs, launchers, gendata, rmic))
 191         $(info )
 192         $(info Useful make variables)
 193         $(info .  make CONF=             # Build all configurations (note, assignment is empty))
 194         $(info .  make CONF=<substring>  # Build the configuration(s) with a name matching)
 195         $(info .                         # <substring>)
 196         $(info )
 197         $(info .  make LOG=<loglevel>    # Change the log level from warn to <loglevel>)
 198         $(info .                         # Available log levels are:)
 199         $(info .                         # 'warn' (default), 'info', 'debug' and 'trace')
 200         $(info .                         # To see executed command lines, use LOG=debug)
 201         $(info )
 202         $(info .  make JOBS=<n>          # Run <n> parallel make jobs)
 203         $(info .                         # Note that -jN does not work as expected!)
 204         $(info )
 205         $(info .  make test TEST=<test>  # Only run the given test or tests, e.g.)
 206         $(info .                         # make test TEST="jdk_lang jdk_net")
 207         $(info )
 208 
 209 .PHONY: help