1 #
   2 # Copyright (c) 2012, 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 (,$(findstring 3.81,$(MAKE_VERSION)))
  40     ifeq (,$(findstring 3.82,$(MAKE_VERSION)))
  41         $(error This version of GNU Make is too low ($(MAKE_VERSION)). Check your path, or upgrade to 3.81 or newer.)
  42     endif
  43 endif
  44 
  45 # Locate this Makefile
  46 ifeq ($(filter /%,$(lastword $(MAKEFILE_LIST))),)
  47     makefile_path:=$(CURDIR)/$(lastword $(MAKEFILE_LIST))
  48 else
  49     makefile_path:=$(lastword $(MAKEFILE_LIST))
  50 endif
  51 root_dir:=$(dir $(makefile_path))
  52 
  53 # ... and then we can include our helper functions
  54 include $(root_dir)/common/makefiles/MakeHelpers.gmk
  55 
  56 $(eval $(call ParseLogLevel))
  57 $(eval $(call ParseConfAndSpec))
  58 
  59 # Now determine if we have zero, one or several configurations to build.
  60 ifeq ($(SPEC),)
  61     # Since we got past ParseConfAndSpec, we must be building a global target. Do nothing.
  62 else
  63     ifeq ($(words $(SPEC)),1)
  64         # We are building a single configuration. This is the normal case. Execute the Main.gmk file.
  65         include $(root_dir)/common/makefiles/Main.gmk
  66     else
  67         # We are building multiple configurations.
  68         # First, find out the valid targets
  69         # Run the makefile with an arbitraty SPEC using -p -q (quiet dry-run and dump rules) to find
  70         # available PHONY targets. Use this list as valid targets to pass on to the repeated calls.
  71         all_phony_targets=$(filter-out $(global_targets) bundles-only, $(strip $(shell \
  72             $(MAKE) -p -q -f common/makefiles/Main.gmk SPEC=$(firstword $(SPEC)) | \
  73             grep ^.PHONY: | head -n 1 | cut -d " " -f 2-)))
  74 
  75         $(all_phony_targets):
  76                 $(foreach spec,$(SPEC),($(MAKE) -f NewMakefile.gmk SPEC=$(spec) \
  77                         $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $@) &&) true
  78 
  79         .PHONY: $(all_phony_targets)
  80 
  81     endif
  82 endif
  83 
  84 # Include this after a potential spec file has been included so that the bundles target
  85 # has access to the spec variables.
  86 include $(root_dir)/common/makefiles/Jprt.gmk
  87 
  88 # Here are "global" targets, i.e. targets that can be executed without specifying a single configuration.
  89 # If you addd more global targets, please update the variable global_targets in MakeHelpers.
  90 
  91 help:
  92         $(info )
  93         $(info OpenJDK Makefile help)
  94         $(info =====================)
  95         $(info )
  96         $(info Common make targets)
  97         $(info .  make [default]         # Compile all product in langtools, hotspot, jaxp, jaxws,)
  98         $(info .                         # corba and jdk)
  99         $(info .  make all               # Compile everything, all repos and images)
 100         $(info .  make images            # Create complete j2sdk and j2re images)
 101         $(info .  make docs              # Create javadocs)
 102         $(info .  make overlay-images    # Create limited images for sparc 64 bit platforms)
 103         $(info .  make profiles          # Create complete j2re compact profile images)
 104         $(info .  make bootcycle-images  # Build images twice, second time with newly build JDK)
 105         $(info .  make install           # Install the generated images locally)
 106         $(info .  make clean             # Remove all files generated by make, but not those)
 107         $(info .                         # generated by configure)
 108         $(info .  make dist-clean        # Remove all files, including configuration)
 109         $(info .  make help              # Give some help on using make)
 110         $(info .  make test              # Run tests, default is all tests (see TEST below))
 111         $(info )
 112         $(info Targets for specific components)
 113         $(info (Component is any of langtools, corba, jaxp, jaxws, hotspot, jdk, nashorn images or overlay-images, docs, test))
 114         $(info .  make <component>       # Build <component> and everything it depends on. )
 115         $(info .  make <component>-only  # Build <component> only, without dependencies. This)
 116         $(info .                         # is faster but can result in incorrect build results!)
 117         $(info .  make clean-<component> # Remove files generated by make for <component>)
 118         $(info )
 119         $(info Useful make variables)
 120         $(info .  make CONF=             # Build all configurations (note, assignment is empty))
 121         $(info .  make CONF=<substring>  # Build the configuration(s) with a name matching)
 122         $(info .                         # <substring>)
 123         $(info )
 124         $(info .  make LOG=<loglevel>    # Change the log level from warn to <loglevel>)
 125         $(info .                         # Available log levels are:)
 126         $(info .                         # 'warn' (default), 'info', 'debug' and 'trace')
 127         $(info .                         # To see executed command lines, use LOG=debug)
 128         $(info )
 129         $(info .  make JOBS=<n>          # Run <n> parallel make jobs)
 130         $(info .                         # Note that -jN does not work as expected!)
 131         $(info )
 132         $(info .  make test TEST=<test>  # Only run the given test or tests, e.g.)
 133         $(info .                         # make test TEST="jdk_lang jdk_net")
 134         $(info )
 135 
 136 .PHONY: help