2012-07-05 18:27:07 -07:00
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#
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# Copyright (c) 2011, 2012, 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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################################################################
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#
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# This file contains helper functions for the top-level Makefile that does
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# not depend on the spec.gmk file having been read. (The purpose of this
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# file is ju to avoid cluttering the top-level Makefile.)
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#
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################################################################
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ifndef _MAKEHELPERS_GMK
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_MAKEHELPERS_GMK := 1
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##############################
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# Stuff to run at include time
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##############################
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# Find out which variables were passed explicitely on the make command line. These
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# will be passed on to sub-makes, overriding spec.gmk settings.
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MAKE_ARGS=$(foreach var,$(subst =command,,$(filter %=command,$(foreach var,$(.VARIABLES),$(var)=$(firstword $(origin $(var)))))),$(var)=$($(var)))
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list_alt_overrides_with_origins=$(filter ALT_%=environment ALT_%=command,$(foreach var,$(.VARIABLES),$(var)=$(firstword $(origin $(var)))))
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list_alt_overrides=$(subst =command,,$(subst =environment,,$(list_alt_overrides_with_origins)))
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##############################
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# Functions
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##############################
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define fatal-error
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# If the user specificed a "global" target (e.g. 'help'), do not exit but continue running
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$$(if $$(findstring help,$$(MAKECMDGOALS)),,$$(error Cannot continue))
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endef
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define ParseLogLevel
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ifeq ($$(origin VERBOSE),undefined)
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# Setup logging according to LOG (but only if VERBOSE is not given)
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2012-09-18 11:29:16 -07:00
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# If the "nofile" argument is given, act on it and strip it away
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ifneq ($$(findstring nofile,$$(LOG)),)
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# Reset the build log wrapper, regardless of other values
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override BUILD_LOG_WRAPPER=
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# COMMA is defined in spec.gmk, but that is not included yet
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COMMA=,
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# First try to remove ",nofile" if it exists
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LOG_STRIPPED1=$$(subst $$(COMMA)nofile,,$$(LOG))
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# Otherwise just remove "nofile"
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LOG_STRIPPED2=$$(subst nofile,,$$(LOG_STRIPPED1))
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# We might have ended up with a leading comma. Remove it
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LOG_STRIPPED3=$$(strip $$(patsubst $$(COMMA)%,%,$$(LOG_STRIPPED2)))
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override LOG:=$$(LOG_STRIPPED3)
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endif
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2012-07-05 18:27:07 -07:00
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ifeq ($$(LOG),)
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# Set LOG to "warn" as default if not set (and no VERBOSE given)
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2012-09-18 11:29:16 -07:00
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override LOG=warn
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2012-07-05 18:27:07 -07:00
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endif
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ifeq ($$(LOG),warn)
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VERBOSE=-s
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else ifeq ($$(LOG),info)
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VERBOSE=
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else ifeq ($$(LOG),debug)
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VERBOSE=
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else ifeq ($$(LOG),trace)
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VERBOSE=-d -p
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else
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$$(info Error: LOG must be one of: warn, info, debug or trace.)
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$$(eval $$(call fatal-error))
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endif
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else
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ifneq ($$(LOG),)
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# We have both a VERBOSE and a LOG argument. This is OK only if this is a repeated call by ourselves,
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# but complain if this is the top-level make call.
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ifeq ($$(MAKELEVEL),0)
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$$(info Cannot use LOG=$$(LOG) and VERBOSE=$$(VERBOSE) at the same time. Choose one.)
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$$(eval $$(call fatal-error))
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endif
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endif
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endif
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endef
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# TODO: Fix duplication in MakeBase.gmk
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define SetupLogging
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ifneq ($(findstring $(LOG),debug trace),)
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# Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
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OLD_SHELL:=$$(SHELL)
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SHELL = $$(warning Building $$@$$(if $$<, (from $$<))$(if $$?, ($$? newer)))$$(OLD_SHELL) -x
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endif
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endef
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define ParseConfAndSpec
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ifneq ($$(origin SPEC),undefined)
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# We have been given a SPEC, check that it works out properly
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ifeq ($$(wildcard $$(SPEC)),)
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$$(info Cannot locate spec.gmk, given by SPEC=$$(SPEC))
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$$(eval $$(call fatal-error))
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endif
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ifneq ($$(origin CONF),undefined)
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# We also have a CONF argument. This is OK only if this is a repeated call by ourselves,
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# but complain if this is the top-level make call.
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ifeq ($$(MAKELEVEL),0)
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$$(info Cannot use CONF=$$(CONF) and SPEC=$$(SPEC) at the same time. Choose one.)
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$$(eval $$(call fatal-error))
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endif
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endif
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# ... OK, we're satisfied, we'll use this SPEC later on
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else
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# Find all spec.gmk files in the build output directory
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output_dir=$$(root_dir)/build
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all_spec_files=$$(wildcard $$(output_dir)/*/spec.gmk)
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ifeq ($$(all_spec_files),)
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$$(info No configurations found for $$(root_dir)! Please run configure to create a configuration.)
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$$(eval $$(call fatal-error))
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endif
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# Extract the configuration names from the path
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all_confs=$$(patsubst %/spec.gmk,%,$$(patsubst $$(output_dir)/%,%,$$(all_spec_files)))
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ifneq ($$(origin CONF),undefined)
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# User have given a CONF= argument.
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ifeq ($$(CONF),)
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# If given CONF=, match all configurations
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matching_confs=$$(strip $$(all_confs))
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else
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# Otherwise select those that contain the given CONF string
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matching_confs=$$(strip $$(foreach var,$$(all_confs),$$(if $$(findstring $$(CONF),$$(var)),$$(var))))
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endif
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ifeq ($$(matching_confs),)
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$$(info No configurations found matching CONF=$$(CONF))
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$$(info Available configurations:)
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$$(foreach var,$$(all_confs),$$(info * $$(var)))
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$$(eval $$(call fatal-error))
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else
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ifeq ($$(words $$(matching_confs)),1)
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$$(info Building '$$(matching_confs)' (matching CONF=$$(CONF)))
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else
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$$(info Building the following configurations (matching CONF=$$(CONF)):)
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$$(foreach var,$$(matching_confs),$$(info * $$(var)))
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endif
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endif
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# Create a SPEC definition. This will contain the path to one or more spec.gmk files.
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SPEC=$$(addsuffix /spec.gmk,$$(addprefix $$(output_dir)/,$$(matching_confs)))
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else
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# No CONF or SPEC given, check the available configurations
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ifneq ($$(words $$(all_spec_files)),1)
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$$(info No CONF or SPEC given, but more than one spec.gmk found in $$(output_dir).)
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$$(info Available configurations:)
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$$(foreach var,$$(all_confs),$$(info * $$(var)))
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$$(info Please retry building with CONF=<config> or SPEC=<specfile>)
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$$(eval $$(call fatal-error))
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endif
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# We found exactly one configuration, use it
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SPEC=$$(strip $$(all_spec_files))
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endif
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endif
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endef
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define CheckEnvironment
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# Find all environment or command line variables that begin with ALT.
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$(if $(list_alt_overrides),
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@$(PRINTF) "\nWARNING: You have the following ALT_ variables set:\n"
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@$(PRINTF) "$(foreach var,$(list_alt_overrides),$(var)=$$$(var))\n"
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@$(PRINTF) "ALT_ variables are deprecated and will be ignored. Please clean your environment.\n\n"
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)
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endef
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define PrintStartMessage
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$(if $(VERBOSE),,@$(ECHO) Running make as $(MAKE) $(MFLAGS) $(MAKE_ARGS))
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$(call CheckEnvironment)
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@$(ECHO) "Building OpenJDK for target $(if $(MAKECMDGOALS),'$(MAKECMDGOALS)','all') in configuration '$(CONF_NAME)'"
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endef
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define PrintEndMessage
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@$(ECHO) "Finished building OpenJDK for target '$@'"
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$(call CheckEnvironment)
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endef
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2012-09-18 11:29:16 -07:00
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# Cleans the component given as $1
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define CleanComponent
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@$(PRINTF) "Cleaning $1 build artifacts ..."
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@($(CD) $(OUTPUT_ROOT) && $(RM) -r $1)
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@$(PRINTF) " done\n"
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endef
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2012-07-05 18:27:07 -07:00
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endif # _MAKEHELPERS_GMK
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