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JavaCompilation.gmk 
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#
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# Copyright (c) 2011, 2024, 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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ifndef _JAVA_COMPILATION_GMK
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_JAVA_COMPILATION_GMK := 1
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ifeq (,$(_MAKEBASE_GMK))
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  $(error You must include MakeBase.gmk prior to including JavaCompilation.gmk)
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endif
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include MakeIO.gmk
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# Java compilation needs SetupJarArchive and/or SetupZipArchive, if we're
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# generating a jar file or a source zip.
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include JarArchive.gmk
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include ZipArchive.gmk
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###
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### Definitions for common release targets
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###
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# Create classes that can run on the bootjdk
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TARGET_RELEASE_BOOTJDK := $(BOOT_JDK_SOURCETARGET)
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# Create classes that can be used in (or be a part of) the new jdk we're building
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TARGET_RELEASE_NEWJDK := -source $(JDK_SOURCE_TARGET_VERSION) -target $(JDK_SOURCE_TARGET_VERSION)
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# Create classes that can be used in JDK 8, for legacy support
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TARGET_RELEASE_JDK8 := --release 8
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# Create classes for the new jdk, relying only on the modules of the new jdk
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TARGET_RELEASE_NEWJDK_UPGRADED := $(TARGET_RELEASE_NEWJDK) \
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    --upgrade-module-path $(JDK_OUTPUTDIR)/modules --system none
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define add_file_to_copy
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  # param 1 = BUILD_MYPACKAGE
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  # parma 2 = The source file to copy.
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  $2_TARGET:=$2
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  # Remove the source prefix.
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  $$(foreach i,$$($1_SRC),$$(eval $$(call remove_string,$$i,$2_TARGET)))
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  # To allow for automatic overrides, do not create a rule for a target file that
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  # already has one
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  ifneq ($$($1_COPY_$$($2_TARGET)), 1)
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    $1_COPY_$$($2_TARGET) := 1
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    # Now we can setup the dependency that will trigger the copying.
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    $$($1_BIN)$$($1_MODULE_SUBDIR)$$($2_TARGET) : $2
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	$$(call LogInfo, Copying $$(patsubst $$(OUTPUTDIR)/%,%, $$@))
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	$$(install-file)
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	$(CHMOD) -f ug+w $$@
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    # And do not forget this target
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    $1_ALL_COPY_TARGETS += $$($1_BIN)$$($1_MODULE_SUBDIR)$$($2_TARGET)
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  endif
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endef
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# This macro is used only for properties files that are to be
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# copied over to the classes directory in cleaned form.
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#
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# An empty echo ensures that the input to sed always ends with a newline.
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# Certain implementations (e.g. Solaris) will skip the last line without
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# it.
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#
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# The sed expression does this:
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# 1. Add a backslash before any :, = or ! that do not have a backslash already.
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# 2. Apply the file unicode2x.sed which does a whole bunch of \u00XX to \xXX
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#    conversions.
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# 3. Delete all lines starting with #.
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# 4. Delete empty lines.
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# 5. Append lines ending with \ with the next line.
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# 6. Remove leading and trailing white space. Note that tabs must be explicit
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#    as sed on macosx does not understand '\t'.
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# 7. Replace the first \= with just =.
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# 8. Finally it's all sorted to create a stable output.
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#
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# It is assumed that = is the character used for separating names and values.
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define add_file_to_clean
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  # param 1 = BUILD_MYPACKAGE
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  # parma 2 = The source file to copy and clean.
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  $2_TARGET:=$2
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  # Remove the source prefix.
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  $$(foreach i,$$($1_SRC),$$(eval $$(call remove_string,$$i,$2_TARGET)))
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  # Now we can setup the dependency that will trigger the copying.
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  # To allow for automatic overrides, do not create a rule for a target file that
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  # already has one
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  ifneq ($$($1_CLEAN_$$($2_TARGET)), 1)
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    $1_CLEAN_$$($2_TARGET) := 1
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    $$($1_BIN)$$($1_MODULE_SUBDIR)$$($2_TARGET) : $2
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	$$(call LogInfo, Cleaning $$(patsubst $$(OUTPUTDIR)/%,%, $$@))
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	$$(call MakeTargetDir)
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	( $(CAT) $$< && $(ECHO) "" ) \
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	    | $(SED) -e 's/\([^\\]\):/\1\\:/g' -e 's/\([^\\]\)=/\1\\=/g' \
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	        -e 's/\([^\\]\)!/\1\\!/g' -e 's/^[ 	]*#.*/#/g' \
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	    | $(SED) -f "$$(TOPDIR)/make/common/support/unicode2x.sed" \
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	    | $(SED) -e '/^#/d' -e '/^$$$$/d' \
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	        -e :a -e '/\\$$$$/N; s/\\\n//; ta' \
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	        -e 's/^[ 	]*//;s/[ 	]*$$$$//' \
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	        -e 's/\\=/=/' \
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	    | $(SORT) > $$@
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	$(CHMOD) -f ug+w $$@
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    # And do not forget this target
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    $1_ALL_COPY_CLEAN_TARGETS += $$($1_BIN)$$($1_MODULE_SUBDIR)$$($2_TARGET)
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  endif
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endef
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define remove_string
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  $2 := $$(subst $1,,$$($2))
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endef
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# Setup make rules for compiling Java source code to class files and/or a
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# resulting jar file.
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#
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# Parameter 1 is the name of the rule. This name is used as variable prefix,
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# and the targets generated are listed in a variable by that name.
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#
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# The target for public API digest is returned in $1_API_TARGET.
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#
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# Remaining parameters are named arguments. These include:
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#   SMALL_JAVA:=set to false to run javac as a "big" java app
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#   COMPILER:=bootjdk or interim, the latter is default
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#   TARGET_RELEASE:=javac flags to set the targeted jdk release (-source/-target or --release)
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#   Defaults to $(TARGET_RELEASE_NEWJDK).
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#   JAVAC_FLAGS:=javac flags to append to the default ones.
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#   JAVA_FLAGS:=flags to be appended to the java launching the compiler
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#   DISABLED_WARNINGS:=list of Xlint warnings that should be disabled
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#   SRC:=one or more directories to search for sources. The order of the source roots
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#        is significant. The first found file of a certain name has priority.
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#   BIN:=store classes here
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#   MODULE:=Name of module being compiled. If set, classes are put in BIN/MODULE.
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#   CLASSPATH:=a list of additional entries to set as classpath to javac
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#   INCLUDES:=myapp.foo means will only compile java files in myapp.foo or any of its sub-packages.
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#   EXCLUDES:=myapp.foo means will do not compile java files in myapp.foo or any of its sub-packages.
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#   COPY:=.prp means copy all prp files to the corresponding package in BIN.
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#   COPY_FILES:=myapp/foo/setting.txt means copy this file over to the package myapp/foo
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#   CLEAN:=.properties means copy and clean all properties file to the corresponding package in BIN.
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#   CLEAN_FILES:=myapp/foo/setting.txt means clean this file over to the package myapp/foo
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#   SRCZIP:=Create a src.zip based on the found sources and copied files.
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#   INCLUDE_FILES:="com/sun/SolarisFoobar.java" means only compile this file!
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#   EXCLUDE_FILES:="com/sun/SolarisFoobar.java" means do not compile this particular file!
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#       "SolarisFoobar.java" means do not compile SolarisFoobar, wherever it is found.
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#   EXTRA_FILES:=List of extra source files to include in compilation. Can be used to
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#       specify files that need to be generated by other rules first.
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#   HEADERS:=path to directory where all generated c-headers are written.
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#   DEPENDS:=Extra dependency
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#   KEEP_DUPS:=Do not remove duplicate file names from different source roots.
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#   FAIL_NO_SRC:=Set to false to not fail the build if no source files are found,
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#        default is true.
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#   CREATE_API_DIGEST:=Set to true to use a javac plugin to generate a public API
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#        hash which can be used for down stream dependencies to only rebuild
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#        when the API changes.
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#   KEEP_ALL_TRANSLATIONS:=Set to true to skip translation filtering
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SetupJavaCompilation = $(NamedParamsMacroTemplate)
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define SetupJavaCompilationBody
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  # Verify arguments
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  ifeq ($$($1_BIN),)
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    $$(error Must specify BIN (in $1))
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  endif
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  ifneq ($$($1_MODULE), )
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    $1_MODULE_SUBDIR := /$$($1_MODULE)
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  endif
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  $1_SAFE_NAME := $$(strip $$(subst /,_, $1))
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  ifeq ($$($1_SMALL_JAVA), )
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    # If unspecified, default to true
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    $1_SMALL_JAVA := true
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  endif
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  ifeq ($$($1_COMPILER), )
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    # If unspecified, default to interim compiler
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    $1_COMPILER := interim
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  endif
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  ifeq ($$($1_COMPILER), bootjdk)
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    # Javac server is not available when using the bootjdk compiler.
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    $1_JAVAC_CMD := $$(JAVAC) -J$$(JAVA_FLAGS_TMPDIR)
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    ifeq ($$($1_SMALL_JAVA), true)
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      $1_FLAGS += $$(addprefix -J, $$(JAVA_FLAGS_SMALL))
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    endif
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    ifeq ($$($1_JAVA_FLAGS), true)
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      $1_FLAGS += $$(addprefix -J, $$($1_JAVA_FLAGS))
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    endif
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    ifeq ($$($1_TARGET_RELEASE), )
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      # If unspecified, default to the new jdk we're building
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      $1_TARGET_RELEASE := $$(TARGET_RELEASE_BOOTJDK)
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    endif
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  else ifeq ($$($1_COMPILER), buildjdk)
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    $1_JAVAC_CMD := $$(BUILD_JAVAC) -J$$(JAVA_FLAGS_TMPDIR)
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    ifeq ($$($1_TARGET_RELEASE), )
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      # If unspecified, default to the new jdk we're building
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      $1_TARGET_RELEASE := $$(TARGET_RELEASE_NEWJDK)
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    endif
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  else ifeq ($$($1_COMPILER), interim)
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    # Use java server if it is enabled, and the user does not want a specialized
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    # class path.
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    ifeq ($$(ENABLE_JAVAC_SERVER)+$$($1_CLASSPATH), true+)
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      # Create a configuration file with the needed information for the javac
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      # server to function properly.
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      $1_JAVAC_SERVER_CONFIG := $$($1_BIN)$$($1_MODULE_SUBDIR)/_the.$$($1_SAFE_NAME)-javacserver.conf
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      # Arguments needed to launch the javacserver client, as well as for the
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      # client to launch the server.
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      $1_JAVAC_SERVER_ARGS := $$(INTERIM_LANGTOOLS_ARGS) \
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          -cp $(BUILDTOOLS_OUTPUTDIR)/langtools_javacserver_classes
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      # The portfile contains the tcp/ip on which the server listens
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      # and the cookie necessary to talk to the server.
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      $1_JAVAC_PORT_FILE := $$(call FixPath, $$(JAVAC_SERVER_DIR)/server.port)
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      # The javacmd tells the client how to run java to launch the server.
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      $1_JAVAC_SERVER_JAVA_CMD := $$(call FixPath, $$(JAVA) $$($1_JAVA_FLAGS) \
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          $$($1_JAVAC_SERVER_ARGS))
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      $1_CONFIG_VARDEPS := $$($1_JAVAC_PORT_FILE) $$($1_JAVAC_SERVER_JAVA_CMD)
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      $1_CONFIG_VARDEPS_FILE := $$(call DependOnVariable, $1_CONFIG_VARDEPS, \
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          $$($1_BIN)$$($1_MODULE_SUBDIR)/_the.$1.config_vardeps)
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      # Write these values to a config file
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      $$($1_JAVAC_SERVER_CONFIG): $$($1_CONFIG_VARDEPS_FILE)
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	$(ECHO) portfile=$$($1_JAVAC_PORT_FILE) > $$@
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	$(ECHO) javacmd=$$($1_JAVAC_SERVER_JAVA_CMD) >> $$@
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      # Always use small java to launch client
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      $1_JAVAC_CMD := $$(JAVA_SMALL) $$($1_JAVA_FLAGS) $$($1_JAVAC_SERVER_ARGS) \
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          javacserver.Main --conf=$$($1_JAVAC_SERVER_CONFIG)
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    else
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      # No javac server
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      $1_JAVAC := $$(INTERIM_LANGTOOLS_ARGS) -m jdk.compiler.interim/com.sun.tools.javac.Main
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      ifeq ($$($1_SMALL_JAVA), true)
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       $1_JAVAC_CMD := $$(JAVA_SMALL) $$($1_JAVA_FLAGS) $$($1_JAVAC)
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      else
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       $1_JAVAC_CMD := $$(JAVA) $$($1_JAVA_FLAGS) $$($1_JAVAC)
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      endif
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    endif
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    ifeq ($$($1_TARGET_RELEASE), )
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      # If unspecified, default to the new jdk we're building
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      $1_TARGET_RELEASE := $$(TARGET_RELEASE_NEWJDK)
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    endif
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  else
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    $$(error Invalid value for COMPILER in SetupJavaCompilation for $1: '$$($1_COMPILER)')
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  endif
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  # Allow overriding on the command line
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  JAVA_WARNINGS_ARE_ERRORS ?= -Werror
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  # Tell javac to do exactly as told and no more
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  PARANOIA_FLAGS := -implicit:none -Xprefer:source -XDignore.symbol.file=true -encoding ascii
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  $1_FLAGS += -g -Xlint:all $$($1_TARGET_RELEASE) $$(PARANOIA_FLAGS) $$(JAVA_WARNINGS_ARE_ERRORS)
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  $1_FLAGS += $$($1_JAVAC_FLAGS)
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  ifneq ($$($1_DISABLED_WARNINGS), )
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    $1_FLAGS += -Xlint:$$(call CommaList, $$(addprefix -, $$($1_DISABLED_WARNINGS)))
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  endif
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  ifneq ($$($1_CLASSPATH), )
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    $1_FLAGS += -cp $$(call PathList, $$($1_CLASSPATH))
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  endif
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  # Make sure the dirs exist, or that one of the EXTRA_FILES, that may not
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  # exist yet, is in it.
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  $$(foreach d, $$($1_SRC), \
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    $$(if $$(wildcard $$d), , \
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      $$(if $$(filter $$d%, $$($1_EXTRA_FILES)), , \
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        $$(error SRC specified to SetupJavaCompilation $1 contains missing directory >$$d<) \
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      ) \
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    ) \
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  )
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  $$(call MakeDir,$$($1_BIN))
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  # Order src files according to the order of the src dirs. Correct ordering is
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  # needed for correct overriding between different source roots.
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  $1_ALL_SRC_RAW := $$(call FindFiles, $$($1_SRC))
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  $1_ALL_SRCS := $$($1_EXTRA_FILES) \
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      $$(foreach d, $$($1_SRC), $$(filter $$d%, $$($1_ALL_SRC_RAW)))
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  # Extract the java files.
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  $1_SRCS := $$(filter %.java, $$($1_ALL_SRCS))
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  # Translate include/exclude into patterns
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  ifneq ($$($1_EXCLUDE_FILES), )
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    $1_EXCLUDE_PATTERN := $$(addprefix %, $$($1_EXCLUDE_FILES))
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  endif
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  ifneq ($$($1_INCLUDE_FILES), )
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    $1_INCLUDE_PATTERN := $$(foreach i, $$($1_SRC), $$(addprefix $$i/, $$($1_INCLUDE_FILES)))
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  endif
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  ifneq ($$($1_EXCLUDES), )
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    $1_EXCLUDE_PATTERN += $$(foreach i, $$($1_SRC), $$(addprefix $$i/, $$(addsuffix /%, $$($1_EXCLUDES))))
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  endif
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  ifneq ($$($1_INCLUDES), )
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    $1_INCLUDE_PATTERN += $$(foreach i, $$($1_SRC), $$(addprefix $$i/, $$(addsuffix /%, $$($1_INCLUDES))))
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  endif
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  # Apply include/exclude patterns to java sources
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  ifneq ($$($1_EXCLUDE_PATTERN), )
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    $1_SRCS := $$(filter-out $$($1_EXCLUDE_PATTERN), $$($1_SRCS))
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  endif
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  ifneq ($$($1_INCLUDE_PATTERN), )
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    $1_SRCS := $$(filter $$($1_INCLUDE_PATTERN) $$($1_EXTRA_FILES), $$($1_SRCS))
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  endif
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330
  ifneq ($$($1_KEEP_DUPS), true)
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    # Remove duplicate source files by keeping the first found of each duplicate.
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    # This allows for automatic overrides with custom or platform specific versions
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    # source files. Need to call DoubleDollar as we have java classes with '$' in
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    # their names.
335
    $1_SRCS := $$(strip $$(foreach s, $$($1_SRCS), \
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        $$(eval relative_src := $$(call remove-prefixes, $$($1_SRC), \
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            $$(call DoubleDollar, $$(s)))) \
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        $$(if $$($1_$$(relative_src)), \
339
          , \
340
          $$(eval $1_$$(relative_src) := 1) $$(s))))
341
  endif
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343
  # Filter out any excluded translations
344
  ifneq ($$($1_KEEP_ALL_TRANSLATIONS), true)
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    $1_SRCS := $$(call FilterExcludedTranslations, $$($1_SRCS), .java)
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  endif
347

348
  ifeq ($$(strip $$($1_SRCS)), )
349
    ifneq ($$($1_FAIL_NO_SRC), false)
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      $$(error No source files found for $1)
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    endif
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  else
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    # All files below META-INF are always copied.
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    $1_ALL_COPIES := $$(filter $$(addsuffix /META-INF%,$$($1_SRC)),$$($1_ALL_SRCS))
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    # Find all files to be copied from source to bin.
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    ifneq (,$$($1_COPY)$$($1_COPY_FILES))
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      # Search for all files to be copied.
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      $1_ALL_COPIES += $$(filter $$(addprefix %,$$($1_COPY)),$$($1_ALL_SRCS))
359
      # Copy these explicitly
360
      $1_ALL_COPIES += $$($1_COPY_FILES)
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    endif
362
    # Copy must also respect filters.
363
    ifneq (,$$($1_INCLUDE_PATTERN))
364
      $1_ALL_COPIES := $$(filter $$($1_INCLUDE_PATTERN),$$($1_ALL_COPIES))
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    endif
366
    ifneq (,$$($1_EXCLUDE_PATTERN))
367
      $1_ALL_COPIES := $$(filter-out $$($1_EXCLUDE_PATTERN),$$($1_ALL_COPIES))
368
    endif
369
    # Filter out any excluded translations
370
    ifneq ($$($1_KEEP_ALL_TRANSLATIONS), true)
371
      $1_ALL_COPIES := $$(call FilterExcludedTranslations, $$($1_ALL_COPIES), .properties)
372
    endif
373
    ifneq (,$$($1_ALL_COPIES))
374
      # Yep, there are files to be copied!
375
      $1_ALL_COPY_TARGETS:=
376
          $$(foreach i,$$($1_ALL_COPIES),$$(eval $$(call add_file_to_copy,$1,$$i)))
377
      # Now we can depend on $$($1_ALL_COPY_TARGETS) to copy all files!
378
    endif
379

380
    # Find all property files to be copied and cleaned from source to bin.
381
    ifneq (,$$($1_CLEAN)$$($1_CLEAN_FILES))
382
      # Search for all files to be copied.
383
      $1_ALL_CLEANS := $$(filter $$(addprefix %,$$($1_CLEAN)),$$($1_ALL_SRCS))
384
      # Clean these explicitly
385
      $1_ALL_CLEANS += $$($1_CLEAN_FILES)
386
      # Copy and clean must also respect filters.
387
      ifneq (,$$($1_INCLUDE_PATTERN))
388
        $1_ALL_CLEANS := $$(filter $$($1_INCLUDE_PATTERN),$$($1_ALL_CLEANS))
389
      endif
390
      ifneq (,$$($1_EXCLUDE_PATTERN))
391
        $1_ALL_CLEANS := $$(filter-out $$($1_EXCLUDE_PATTERN),$$($1_ALL_CLEANS))
392
      endif
393
      # Filter out any excluded translations
394
      ifneq ($$($1_KEEP_ALL_TRANSLATIONS), true)
395
        $1_ALL_CLEANS := $$(call FilterExcludedTranslations, $$($1_ALL_CLEANS), .properties)
396
      endif
397
      ifneq (,$$($1_ALL_CLEANS))
398
        # Yep, there are files to be copied and cleaned!
399
        $1_ALL_COPY_CLEAN_TARGETS:=
400
            $$(foreach i,$$($1_ALL_CLEANS),$$(eval $$(call add_file_to_clean,$1,$$i)))
401
        # Now we can depend on $$($1_ALL_COPY_CLEAN_TARGETS) to copy all files!
402
      endif
403
    endif
404

405
    # Create a sed expression to remove the source roots and to replace / with .
406
    # and remove .java at the end.
407
    $1_REWRITE_INTO_CLASSES:=$$(foreach i,$$($1_SRC),-e 's|$$i/||g') -e 's|/|.|g' -e 's|.java$$$$||g'
408

409
    $1_COMPILE_TARGET := $$($1_BIN)$$($1_MODULE_SUBDIR)/_the.$1_batch
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    $1_FILELIST := $$($1_BIN)$$($1_MODULE_SUBDIR)/_the.$1_batch.filelist
411
    $1_MODFILELIST := $$($1_BIN)$$($1_MODULE_SUBDIR)/_the.$1_batch.modfiles
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    $1_MODFILELIST_FIXED := $$($1_MODFILELIST).fixed
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414
    $1_API_TARGET := $$($1_BIN)$$($1_MODULE_SUBDIR)/_the.$1_pubapi
415
    $1_API_INTERNAL := $$($1_BIN)$$($1_MODULE_SUBDIR)/_the.$1_internalapi
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417
    # Put headers in a temp dir to filter out those that actually
418
    # changed before copying them to the real header dir.
419
    ifneq (,$$($1_HEADERS))
420
      $1_HEADERS_ARG := -h $$($1_HEADERS).$1.tmp
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422
      $$($1_HEADERS)/_the.$1_headers: $$($1_COMPILE_TARGET)
423
		$$(call MakeTargetDir)
424
		if [ -d "$$($1_HEADERS).$1.tmp" ]; then \
425
		  for f in `$(CD) $$($1_HEADERS).$1.tmp && $(FIND) . -type f`; do \
426
		    if [ ! -f "$$($1_HEADERS)/$$$$f" ] \
427
		        || [ "`$(DIFF) $$($1_HEADERS)/$$$$f $$($1_HEADERS).$1.tmp/$$$$f`" != "" ]; then \
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		      $(MKDIR) -p `$(DIRNAME) $$($1_HEADERS)/$$$$f`; \
429
		      $(CP) -f $$($1_HEADERS).$1.tmp/$$$$f $$($1_HEADERS)/$$$$f; \
430
		    fi; \
431
		  done; \
432
		fi
433
		$(RM) -r $$($1_HEADERS).$1.tmp
434
		$(TOUCH) $$@
435

436
      $1_HEADER_TARGETS := $$($1_HEADERS)/_the.$1_headers
437
    endif
438

439
    $1_VARDEPS := $$($1_JAVAC_CMD) $$($1_FLAGS) $$($1_BIN) \
440
        $$($1_HEADERS_ARG) $$($1_EXCLUDES) $$($1_INCLUDES) \
441
        $$($1_EXCLUDE_FILES) $$($1_INCLUDE_FILES)
442
    $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, \
443
        $$($1_BIN)$$($1_MODULE_SUBDIR)/_the.$1.vardeps)
444

445
    ifeq ($$($1_CREATE_API_DIGEST), true)
446
      $1_API_DIGEST_FLAGS := \
447
          -classpath $$(BUILDTOOLS_OUTPUTDIR)/depend \
448
          -Xplugin:"depend $$($1_API_TARGET)" \
449
          "-XDinternalAPIPath=$$($1_API_INTERNAL)" \
450
          "-XDLOG_LEVEL=$(LOG_LEVEL)" \
451
          #
452

453
      $1_EXTRA_DEPS := $$(BUILDTOOLS_OUTPUTDIR)/depend/_the.COMPILE_DEPEND_batch
454
    endif
455

456
    # Create a file with all sources, to pass to javac in an @file.
457
    # $$($1_VARDEPS_FILE) is used as dependency to track changes in set of
458
    # list of files.
459
    $$($1_FILELIST): $$($1_SRCS) $$($1_VARDEPS_FILE)
460
		$$(call MakeDir, $$(@D))
461
		$$(call LogWarn, Compiling up to $$(words $$($1_SRCS)) files for $1)
462
		$$(eval $$(call ListPathsSafely, $1_SRCS, $$($1_FILELIST)))
463

464
    # Create a $$($1_MODFILELIST) file with significant modified dependencies
465
    # (either sources files or the other mark dependencies).
466
    # It is then sent using a side-channel
467
    # to the custom Depend plugin. The Depend plugin will check the provided list
468
    # of modified files, and if none of the Java source files is changed in a way
469
    # observable from outside of the file, and the list of modified files does
470
    # not include a non-Java source file, it will only compile the modified files.
471
    # Otherwise, all module's sources will be compiled. If a non-Java file is included,
472
    # it will be considered to be a significant change, and all module source will
473
    # be recompiled
474
    $$($1_MODFILELIST): $$($1_SRCS) $$($1_DEPENDS) \
475
        $$($1_VARDEPS_FILE) $$($1_EXTRA_DEPS) $$($1_JAVAC_SERVER_CONFIG)
476
		$$(eval $1_MODFILES := $$?)
477
		$$(eval $$(call ListPathsSafely, $1_MODFILES, $$($1_MODFILELIST)))
478

479
    # Convert the paths in the MODFILELIST file to Windows-style paths
480
    # on Windows. This is needed because javac operates on Windows-style paths
481
    # when running on Windows. On other platforms this just copies the MODFILELIST file.
482
    $$($1_MODFILELIST_FIXED): $$($1_MODFILELIST)
483
		$$(call FixPathFile, $$($1_MODFILELIST), $$($1_MODFILELIST_FIXED))
484

485
    # Do the actual compilation
486
    $$($1_COMPILE_TARGET): $$($1_SRCS) $$($1_FILELIST) $$($1_DEPENDS) \
487
        $$($1_VARDEPS_FILE) $$($1_EXTRA_DEPS) $$($1_JAVAC_SERVER_CONFIG) \
488
        $$($1_MODFILELIST_FIXED)
489
		$$(call MakeDir, $$(@D))
490
		$$(call ExecuteWithLog, $$($1_BIN)$$($1_MODULE_SUBDIR)/_the.$$($1_SAFE_NAME)_batch, \
491
		    $$($1_JAVAC_CMD) $$($1_FLAGS) \
492
		        $$($1_API_DIGEST_FLAGS) \
493
		        -XDmodifiedInputs=$$($1_MODFILELIST_FIXED) \
494
		        -d $$($1_BIN) $$($1_HEADERS_ARG) @$$($1_FILELIST)) && \
495
		$(TOUCH) $$@
496

497
    # Add all targets to main variable
498
    $1 := $$($1_ALL_COPY_TARGETS) $$($1_ALL_COPY_CLEAN_TARGETS) $$($1_COMPILE_TARGET) \
499
        $$($1_HEADER_TARGETS)
500

501
    # Check if a jar file was specified, then setup the rules for the jar.
502
    ifneq (,$$($1_JAR))
503
      # If no suffixes was explicitly set for this jar file.
504
      # Use class and the cleaned/copied properties file suffixes as the default
505
      # for the types of files to be put into the jar.
506
      ifeq (,$$($1_SUFFIXES))
507
        $1_SUFFIXES:=.class $$($1_CLEAN) $$($1_COPY)
508
      endif
509

510
      $$(eval $$(call SetupJarArchive, ARCHIVE_$1, \
511
          DEPENDENCIES:=$$($1), \
512
          SRCS:=$$($1_BIN)$$($1_MODULE_SUBDIR), \
513
          SUFFIXES:=$$($1_SUFFIXES), \
514
          EXCLUDE:=$$($1_EXCLUDES), \
515
          INCLUDES:=$$($1_INCLUDES), \
516
          EXTRA_FILES:=$$($1_ALL_COPY_TARGETS) $$($1_ALL_COPY_CLEAN_TARGETS), \
517
          JAR:=$$($1_JAR), \
518
          JARMAIN:=$$($1_JARMAIN), \
519
          MANIFEST:=$$($1_MANIFEST), \
520
          EXTRA_MANIFEST_ATTR:=$$($1_EXTRA_MANIFEST_ATTR), \
521
          JARINDEX:=$$($1_JARINDEX), \
522
          HEADERS:=$$($1_HEADERS), \
523
      ))
524

525
      # Add jar to target list
526
      $1 += $$($1_JAR)
527
    endif
528

529
    # Check if a srczip was specified, then setup the rules for the srczip.
530
    ifneq (,$$($1_SRCZIP))
531
      $$(eval $$(call SetupZipArchive, ZIP_ARCHIVE_$1, \
532
          SRC:=$$($1_SRC), \
533
          ZIP:=$$($1_SRCZIP), \
534
          INCLUDES:=$$($1_INCLUDES), \
535
          EXCLUDES:=$$($1_EXCLUDES), \
536
          EXCLUDE_FILES:=$$($1_EXCLUDE_FILES)))
537

538
      # Add zip to target list
539
      $1 += $$($1_SRCZIP)
540
    endif
541
  endif # Source files found
542
endef
543

544
# Use this macro to find the correct target to depend on when the original
545
# SetupJavaCompilation is declared in a different makefile, to avoid having
546
# to declare and evaluate it again.
547
# param 1 is for example BUILD_MYPACKAGE
548
# param 2 is the output directory (BIN)
549
SetupJavaCompilationCompileTarget = \
550
    $(strip $2)/_the.$(strip $1)_batch
551

552
SetupJavaCompilationApiTarget = \
553
    $(strip $2)/_the.$(strip $1)_pubapi
554

555
endif # _JAVA_COMPILATION_GMK
556

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