#

# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

# or visit www.oracle.com if you need additional information or have any

# questions.

#

# This makefile is much simpler now that it can use the smart javac wrapper

# for dependency tracking between java packages and incremental compiles.

# It could be even more simple if we added support for incremental jar updates

# directly from the smart javac wrapper.

# Cleaning/copying properties here is not a good solution. The properties

# should be cleaned/copied by a annotation processor in sjavac.

# When you read this source. Remember that $(sort ...) has the side effect

# of removing duplicates. It is actually this side effect that is

# desired whenever sort is used below!

ifeq  (,$(_MAKEBASE_GMK))

    $(error You must include MakeBase.gmk prior to including JavaCompilation.gmk)

endif

FALSE_FIND_PATTERN:=-name FILE_NAME_THAT_DOESNT_EXIST

define SetupJavaCompiler

    # param 1 is for example BOOT_JAVAC or NEW_JAVAC

    # This is the name later used to decide which java compiler to use.

    # param 2-9 are named args.

    #   JVM:=The jvm used to run the javac/javah command

    #   JAVAC:=The javac jar and bootstrap classpath changes, or just bin/javac if JVM is left out

    #   FLAGS:=Flags to be supplied to javac

    #   SERVER_DIR:=Use a javac server (-XDserver) and store the server related files here

    #   SERVER_JVM:=Use this JVM for the server. Defaults to the JVM above.

    $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $($i),$1_$(strip $($i)))$(NEWLINE))

    $(call LogSetupMacroEntry,SetupJavaCompiler($1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))

    $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompiler, please update JavaCompilation.gmk))

    # The port file contains the tcp/ip on which the server listens

    # and the cookie necessary to talk to the server.

    $1_SJAVAC_PORTFILE:=$$($1_SERVER_DIR)/server.port

    # You can use a different JVM to run the background javac server.

    ifeq ($$($1_SERVER_JVM),)

        # It defaults to the same JVM that is used to start the javac command.

        $1_SERVER_JVM:=$$($1_JVM)

    endif

endef

define SetupArchive

    # param 1 is for example ARCHIVE_MYPACKAGE

    # param 2 are the dependecies

    # param 3,4,5,6,7,8,9 are named args.

    #    SRCS:=List of directories in where to find files to add to archive

    #    SUFFIXES:=File suffixes to include in jar

    #    INCLUDES:=List of directories/packages in SRCS that should be included

    #    EXCLUDES:=List of directories/packages in SRCS that should be excluded

    #    EXCLUDE_FILES:=List of files in SRCS that should be excluded

    #    EXTRA_FILES:=List of files in SRCS that should be included regardless of suffix match.

    #    JAR:=Jar file to create

    #    MANIFEST:=Optional manifest file template.

    #    JARMAIN:=Optional main class to add to manifest

    #    JARINDEX:=true means generate the index in the jar file.

    #    SKIP_METAINF:=Set to prevent contents of an META-INF directory to be automatically 

    #                  added to the archive.

    #    EXTRA_MANIFEST_ATTR:=Extra attribute to add to manifest.

    #    CHECK_COMPRESS_JAR Check the COMPRESS_JAR variable

    # NOTE: $2 is dependencies, not a named argument!

    $(foreach i,3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $($i),$1_$(strip $($i)))$(NEWLINE))

    $(call LogSetupMacroEntry,SetupArchive($1),<dependencies>,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))

    $(if $(findstring $(LOG),debug trace), $(info *[2] <dependencies> = $(strip $2)))

    $(if $(16),$(error Internal makefile error: Too many arguments to SetupArchive, please update JavaCompilation.gmk))

    $1_JARMAIN:=$(strip $$($1_JARMAIN))

    $1_JARNAME:=$$(notdir $$($1_JAR))

    $1_MANIFEST_FILE:=$$(dir $$($1_JAR))_the.$$($1_JARNAME)_manifest

    $1_DELETESS_FILE:=$$(dir $$($1_JAR))_the.$$($1_JARNAME)_deletess

    $1_DELETES_FILE:=$$(dir $$($1_JAR))_the.$$($1_JARNAME)_deletes

    $1_BIN:=$$(dir $$($1_JAR))

    ifeq (,$$($1_SUFFIXES))

        # No suffix was set, default to classes.

        $1_SUFFIXES:=.class

    endif

    # Convert suffixes to a find expression

    $1_FIND_PATTERNS:=$(FALSE_FIND_PATTERN) $$(patsubst %,$(SPACE)-o$(SPACE)-name$(SPACE)$(DQUOTE)*%$(DQUOTE),$$($1_SUFFIXES))

    # On windows, a lot of includes/excludes risk making the command line too long, so 

    # writing the grep patterns to files.

    ifneq (,$$($1_INCLUDES))

        $1_GREP_INCLUDE_PATTERNS:=$$(foreach src,$$($1_SRCS),\

					$$(addprefix $$(src)/,$$($1_INCLUDES)))

        # If there are a lot of include patterns, output to file to shorten command lines

        ifeq ($$(word 20,$$($1_GREP_INCLUDE_PATTERNS)),)

            $1_GREP_INCLUDES:=| $(GREP) $$(patsubst %,$(SPACE)-e$(SPACE)$(DQUOTE)%$(DQUOTE),$$($1_GREP_INCLUDE_PATTERNS))

        else

            $1_GREP_INCLUDES:=| $(GREP) -f $$($1_BIN)/_the.$$($1_JARNAME)_include

        endif

    endif

    ifneq (,$$($1_EXCLUDES)$$($1_EXCLUDE_FILES))

        $1_GREP_EXCLUDE_PATTERNS:=$$(foreach src,$$($1_SRCS),$$(addprefix $$(src)/,\

		$$($1_EXCLUDES) $$($1_EXCLUDE_FILES)))

        # If there are a lot of include patterns, output to file to shorten command lines

        ifeq ($$(word 20,$$($1_GREP_EXCLUDE_PATTERNS)),)

            $1_GREP_EXCLUDES:=| $(GREP) -v $$(patsubst %,$(SPACE)-e$(SPACE)$(DQUOTE)%$(DQUOTE),$$($1_GREP_EXCLUDE_PATTERNS))

        else

            $1_GREP_EXCLUDES:=| $(GREP) -v -f $$($1_BIN)/_the.$$($1_JARNAME)_exclude

        endif

    endif

    # Check if this jar needs to have its index generated.

    ifneq (,$$($1_JARINDEX))

      $1_JARINDEX = (cd $$(dir $$@) && $(JAR) -i $$(notdir $$@))

    else

      $1_JARINDEX = true

    endif

    ifneq (,$2)

        $1_DEPS:=$2

    else

        # The subst of \ is needed because $ has to be escaped with \ in EXTRA_FILES for the command 

        # lines, but not here for use in make dependencies.

        ifeq (,$$($1_SKIP_METAINF))

        endif

    endif

    # Utility macros, to make the shell script receipt somewhat easier to dechipher.

    # The capture contents macro finds all files (matching the patterns, typically

    # .class and .prp) that are newer than the jar-file, ie the new content to be put into the jar.

    $1_CAPTURE_CONTENTS=$$(foreach src,$$($1_SRCS),\

                   (($(FIND) $$(src) -type f -a \( $$($1_FIND_PATTERNS) \) -a -newer $$@ $$($1_GREP_INCLUDES) \

                       $$($1_GREP_EXCLUDES) | $(SED) 's|$$(src)/||g' &&\

                       $(ECHO) $$(subst $$(src)/,,$$($1_EXTRA_FILES))) > \

                       $$(src)/_the.$$($1_JARNAME)_contents) $$(NEWLINE))

    # The capture metainf macro finds all files below the META-INF directory that are newer than the jar-file.

    ifeq (,$$($1_SKIP_METAINF))

        $1_CAPTURE_METAINF =$$(foreach src,$$($1_SRCS),($(FIND) $$(src)/META-INF -type f -a -newer $$@ 2> /dev/null | $(SED) 's|$$(src)/||g' >> $$(src)/_the.$$($1_JARNAME)_contents ) $$(NEWLINE))

    endif

    # The capture deletes macro finds all deleted files and concatenates them. The resulting file

    # tells us what to remove from the jar-file.

    $1_CAPTURE_DELETES=$$(foreach src,$$($1_SRCS),($(FIND) $$(src) -name _the.package.deleted -newer $$@ -exec $(SED) 's|$$(src)||g' \{\} >> $$($1_DELETES_FILE) \;) $$(NEWLINE))

    # The update contents macro updates the jar file with the previously capture contents.

    # xargs is used to trim the whitespace from the contents file, to see if it is empty.

    $1_UPDATE_CONTENTS=$$(foreach src,$$($1_SRCS),\

                    (cd $$(src) && \

                     if [ -n "`$(CAT) _the.$$($1_JARNAME)_contents | $(XARGS)`" ]; then \

                         $(ECHO) "  updating" `$(WC) -l _the.$$($1_JARNAME)_contents | $(AWK) '{ print $$$$1 }'` files && \

                         $(JAR) $$($1_JAR_UPDATE_OPTIONS) $$@ @_the.$$($1_JARNAME)_contents; \

                     fi) $$(NEWLINE))

    # The s-variants of the above macros are used when the jar is created from scratch.

    $1_SCAPTURE_CONTENTS=$$(foreach src,$$($1_SRCS),\

                    (($(FIND) $$(src) -type f -a \( $$($1_FIND_PATTERNS) \) $$($1_GREP_INCLUDES) \

			$$($1_GREP_EXCLUDES) | $(SED) 's|$$(src)/||g' &&\

			$$(subst $$(src)/,,$(ECHO) $$($1_EXTRA_FILES))) > \

			$$(src)/_the.$$($1_JARNAME)_contents) $$(NEWLINE))

    ifeq (,$$($1_SKIP_METAINF))

        $1_SCAPTURE_METAINF=$$(foreach src,$$($1_SRCS),\

                    ($(FIND) $$(src)/META-INF -type f 2> /dev/null | $(SED) 's|$$(src)/||g' >> \

			$$(src)/_the.$$($1_JARNAME)_contents) $$(NEWLINE))

    endif

    $1_SUPDATE_CONTENTS=$$(foreach src,$$($1_SRCS),\

                    (cd $$(src) && $(JAR) $$($1_JAR_UPDATE_OPTIONS) $$@ @$$(src)/_the.$$($1_JARNAME)_contents) $$(NEWLINE))

    # Use a slightly shorter name for logging, but with enough path to identify this jar.

    $1_NAME:=$$(subst $$(OUTPUT_ROOT)/,,$$($1_JAR))

    ifneq (,$$($1_CHECK_COMPRESS_JAR))

        $1_JAR_CREATE_OPTIONS := c0fm

        $1_JAR_UPDATE_OPTIONS := u0f

        ifeq ($(COMPRESS_JARS), true)

            $1_JAR_CREATE_OPTIONS := cfm

            $1_JAR_UPDATE_OPTIONS := uf

        endif

    else

        $1_JAR_CREATE_OPTIONS := cfm

        $1_JAR_UPDATE_OPTIONS := uf

    endif

    # Here is the rule that creates/updates the jar file.

    $$($1_JAR) : $$($1_DEPS)

	$(MKDIR) -p $$($1_BIN)

	$$(if $$($1_MANIFEST),\

		$(SED) -e "s#@@RELEASE@@#$(RELEASE)#"           \

		       -e "s#@@COMPANY_NAME@@#$(COMPANY_NAME)#" $$($1_MANIFEST) > $$($1_MANIFEST_FILE) \

	,\

		$(RM) $$($1_MANIFEST_FILE) && $(TOUCH) $$($1_MANIFEST_FILE))

	$$(if $$($1_JARMAIN),$(ECHO) "Main-Class: $$(strip $$($1_JARMAIN))" >> $$($1_MANIFEST_FILE))

	$$(if $$($1_EXTRA_MANIFEST_ATTR),$(PRINTF) "$$($1_EXTRA_MANIFEST_ATTR)\n" >> $$($1_MANIFEST_FILE))

	$$(if $$(wildcard $$@),\

		$(ECHO) Modifying $$($1_NAME) $$(NEWLINE)\

		$$($1_CAPTURE_CONTENTS) \

		$$($1_CAPTURE_METAINF) \

		$(RM) $$($1_DELETES_FILE) $$(NEWLINE)\

		$$($1_CAPTURE_DELETES) \

		$(CAT) $$($1_DELETES_FILE) > $$($1_DELETESS_FILE) $$(NEWLINE)\

		if [ -s $$($1_DELETESS_FILE) ]; then \

			$(ECHO) "  deleting" `$(WC) -l $$($1_DELETESS_FILE) | $(AWK) '{ print $$$$1 }'` files && \

	                       $(ZIP) -q -d $$@ `$(CAT) $$($1_DELETESS_FILE)` ; \

		fi $$(NEWLINE) \

		$$($1_UPDATE_CONTENTS) true $$(NEWLINE) \

		$$($1_JARINDEX) && true \

	,\

		$(ECHO) Creating $$($1_NAME) && $(JAR) $$($1_JAR_CREATE_OPTIONS) $$@ $$($1_MANIFEST_FILE) $$(NEWLINE) \

	        $$($1_SCAPTURE_CONTENTS) \

		$$($1_SCAPTURE_METAINF) \

		$$($1_SUPDATE_CONTENTS) \

		$$($1_JARINDEX) && true ) 

endef

define SetupZipArchive

    # param 1 is for example ZIP_MYSOURCE

    # param 2,3,4,5,6,7,8,9 are named args.

    #    SRC,ZIP,INCLUDES,EXCLUDES,EXCLUDE_FILES,SUFFIXES,EXTRA_DEPS

    $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $($i),$1_$(strip $($i)))$(NEWLINE))

    $(call LogSetupMacroEntry,SetupZipArchive($1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))

    $(if $(16),$(error Internal makefile error: Too many arguments to SetupZipArchive, please update JavaCompilation.gmk))

    # Find all files in the source tree.

    ifneq ($$($1_INCLUDES),)

        $1_SRC_INCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_INCLUDES))))

        ifneq ($$($1_SUFFIXES),)

            $1_ZIP_INCLUDES := $$(foreach s,$$($1_SUFFIXES),\

		$$(addprefix -i$(SPACE)$(DQUOTE),$$(addsuffix /*$$s$(DQUOTE),$$($1_INCLUDES))))

        else

            $1_ZIP_INCLUDES := $$(addprefix -i$(SPACE)$(DQUOTE),$$(addsuffix /*$(DQUOTE),$$($1_INCLUDES)))

        endif

        $1_ALL_SRCS     := $$(filter $$($1_SRC_INCLUDES),$$($1_ALL_SRCS))

    endif

    ifneq ($$($1_EXCLUDES),)

        $1_SRC_EXCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_EXCLUDES))))

        $1_ZIP_EXCLUDES := $$(addprefix -x$(SPACE)$(DQUOTE),$$(addsuffix /*$(DQUOTE),$$($1_EXCLUDES)))

        $1_ALL_SRCS     := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_ALL_SRCS))

    endif

    # Use a slightly shorter name for logging, but with enough path to identify this zip.

    $1_NAME:=$$(subst $$(OUTPUT_ROOT)/,,$$($1_ZIP))

    # Now $1_ALL_SRCS should contain all sources that are going to be put into the zip.

    # I.e. the zip -i and -x options should match the filtering done in the makefile.

    # Explicitly excluded files can be given with absolute path. The patsubst solution

    # isn't perfect but the likelyhood of an absolute path to match something in a src

    # dir is very small.

    # If zip has nothing to do, it returns 12 and would fail the build. Check for 12

    # and only fail if it's not.

    $$($1_ZIP) : $$($1_ALL_SRCS) $$($1_EXTRA_DEPS)

		$(MKDIR) -p $$(@D)

		$(ECHO) Updating $$($1_NAME)

		$$(foreach i,$$($1_SRC),(cd $$i && $(ZIP) -qru $$@ . $$($1_ZIP_INCLUDES) $$($1_ZIP_EXCLUDES) -x \*_the.\* $$(addprefix -x$(SPACE),$$(patsubst $$i/%,%,$$($1_EXCLUDE_FILES))) || test "$$$$?" = "12" )$$(NEWLINE)) true

		$(TOUCH) $$@

endef

define add_file_to_copy

    # param 1 = BUILD_MYPACKAGE

    # parma 2 = The source file to copy.

    $2_TARGET:=$2

    # Remove the source prefix. 

    $$(foreach i,$$($1_SRC),$$(eval $$(call remove_string,$$i,$2_TARGET)))

    # Now we can setup the depency that will trigger the copying.

    $$($1_BIN)$$($2_TARGET) : $2

	$(MKDIR) -p $$(@D)

	$(CP) $$< $$@

	$(CHMOD) -f ug+w $$@

    # And do not forget this target

    $1_ALL_COPY_TARGETS += $$($1_BIN)$$($2_TARGET)

endef

# This macro is used only for properties files that are to be

# copied over to the classes directory in cleaned form:

# Previously this was inconsistently done in different repositories.

# This is the new clean standard. Though it is to be superseded by

# a standard annotation processor from with sjavac.

define add_file_to_copy_and_clean

    # param 1 = BUILD_MYPACKAGE

    # parma 2 = The source file to copy and clean.

    $2_TARGET:=$2

    # Remove the source prefix. 

    $$(foreach i,$$($1_SRC),$$(eval $$(call remove_string,$$i,$2_TARGET)))

    # Now we can setup the depency that will trigger the copying.

    $$($1_BIN)$$($2_TARGET) : $2

	$(MKDIR) -p $$(@D)

	$(CAT) $$< | $(SED) -e 's/\([^\\]\):/\1\\:/g' -e  's/\([^\\]\)=/\1\\=/g' -e 's/#.*/#/g' \

                   | $(SED) -f "$(SRC_ROOT)/common/makefiles/support/unicode2x.sed" \

		   | $(SED) -e '/^#/d' -e '/^$$$$/d' \

		            -e :a -e '/\\$$$$/N; s/\\\n//; ta' \

			    -e 's/^[ \t]*//;s/[ \t]*$$$$//' \

			    -e 's/\\=/=/' | LANG=C $(SORT) > $$@

	$(CHMOD) -f ug+w $$@

    # And do not forget this target

    $1_ALL_COPY_CLEAN_TARGETS += $$($1_BIN)$$($2_TARGET)

endef

define remove_string

    $2 := $$(subst $1,,$$($2))

endef

define replace_space_with_pathsep

    $1:=$(subst $(SPACE),$(PATH_SEP),$(strip $(patsubst %,%,$2)))

endef

define SetupJavaCompilation

    # param 1 is for example BUILD_MYPACKAGE

    # param 2,3,4,5,6,7,8 are named args.

    #    SETUP:=must point to a previously setup java compiler, for example: SETUP:=BOOTJAVAC

    #    JVM:=path to ..bin/java

    #    ADD_JAVAC_FLAGS:=javac flags to append to the default ones.

    #    SRC:=one or more directories to search for sources

    #    BIN:=store classes here

    #    INCLUDES:=myapp.foo means will only compile java files in myapp.foo or any of its sub-packages.

    #    EXCLUDES:=myapp.foo means will do not compile java files in myapp.foo or any of its sub-packages.

    #    COPY:=.prp means copy all prp files to the corresponding package in BIN.

    #    CLEAN:=.properties means copy and clean all properties file to the corresponding package in BIN.

    #    COPY_FILES:=myapp/foo/setting.txt means copy this file over to the package myapp/foo

    #    SRCZIP:=Create a src.zip based on the found sources and copied files.

    #    INCLUDE_FILES:="com/sun/SolarisFoobar.java" means only compile this file!

    #    EXCLUDE_FILES:="com/sun/SolarisFoobar.java" means do not compile this particular file!

    #                   "SolarisFoobar.java" means do not compile SolarisFoobar, wherever it is found.

    #    JAVAC_SOURCE_PATH_UGLY_OVERRIDE:=Don't use this. This forces an explicit -sourcepath to javac.

    #                                     Its only here until we cleanup some nasty source code pasta in the jdk.

    #    HEADERS:=path to directory where all generated c-headers are written.

    #    DEPENDS:=Extra dependecy

    $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $($i),$1_$(strip $($i)))$(NEWLINE))

    $(call LogSetupMacroEntry,SetupJavaCompilation($1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))

    $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompilation, please update JavaCompilation.gmk))

    # Extract the info from the java compiler setup.

    $1_JVM   := $$($$($1_SETUP)_JVM)

    $1_JAVAC := $$($$($1_SETUP)_JAVAC)

    $1_FLAGS := $$($$($1_SETUP)_FLAGS) $(JAVAC_FLAGS) $$($1_ADD_JAVAC_FLAGS)

    ifeq ($$($1_JAVAC),)

        $$(error The Java compilation $1 refers to a non-existant java compiler setup $$($1_SETUP))

    endif

    $1_SJAVAC_PORTFILE := $$($$($1_SETUP)_SJAVAC_PORTFILE)

    $1_SERVER_JVM := $$($$($1_SETUP)_SERVER_JVM)

    # Handle addons and overrides.

    $1_SRC:=$$(call ADD_SRCS,$$($1_SRC))

    # Make sure the dirs exist.

    $$(foreach d,$$($1_SRC), $$(if $$(wildcard $$d),,$$(error SRC specified to SetupJavaCompilation $1 contains missing directory $$d)))

    $$(eval $$(call MakeDir,$$($1_BIN)))

    # Find all files in the source trees.

    # Extract the java files.

    ifneq ($$($1_EXCLUDE_FILES),)

        $1_EXCLUDE_FILES_PATTERN:=$$(addprefix %,$$($1_EXCLUDE_FILES))

    endif

    $1_SRCS     := $$(filter-out $$($1_EXCLUDE_FILES_PATTERN),$$(filter %.java,$$($1_ALL_SRCS)))

    ifneq ($$($1_INCLUDE_FILES),)

        $1_INCLUDE_FILES:=$$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$($1_INCLUDE_FILES)))

        $1_SRCS := $$(filter $$($1_INCLUDE_FILES), $$($1_SRCS))

    endif

    # Now we have a list of all java files to compile: $$($1_SRCS)

    # Create the corresponding smart javac wrapper command line.

    $1_SJAVAC_ARGS:=$$(addprefix -x ,$$(addsuffix .*,$$(subst /,.,$$($1_EXCLUDES)))) \

		$$(addprefix -i ,$$(addsuffix .*,$$(subst /,.,$$($1_INCLUDES)))) \

		$$(addprefix -xf *,$$(strip $$($1_EXCLUDE_FILES))) \

		$$(addprefix -if *,$$(strip $$($1_INCLUDE_FILES))) \

		-src "$$(subst $$(SPACE),$$(PATH_SEP),$$(strip $$($1_SRC)))"

    # Prepend the source/bin path to the filter expressions.

    ifneq ($$($1_INCLUDES),)

        $1_SRC_INCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_INCLUDES))))

        $1_SRCS     := $$(filter $$($1_SRC_INCLUDES),$$($1_SRCS))

    endif

    ifneq ($$($1_EXCLUDES),)

        $1_SRC_EXCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_EXCLUDES))))

        $1_SRCS     := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_SRCS))

    endif

    # Find all files to be copied from source to bin.

    ifneq (,$$($1_COPY))

        # Search for all files to be copied.

        $1_ALL_COPIES := $$(filter $$(addprefix %,$$($1_COPY)),$$($1_ALL_SRCS))

        # Copy these explicitly

        $1_ALL_COPIES += $$($1_COPY_FILES)

        # Copy must also respect filters.

        ifneq (,$$($1_INCLUDES))

            $1_ALL_COPIES := $$(filter $$($1_SRC_INCLUDES),$$($1_ALL_COPIES))

        endif

        ifneq (,$$($1_EXCLUDES))

            $1_ALL_COPIES := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_ALL_COPIES))

        endif

        ifneq (,$$($1_EXCLUDE_FILES))

            $1_ALL_COPIES := $$(filter-out $$($1_EXCLUDE_FILES_PATTERN),$$($1_ALL_COPIES))

        endif

        # All files below META-INF are always copied.

        $1_ALL_COPIES += $$(filter $$(addsuffix /META-INF%,$$($1_SRC)),$$($1_ALL_SRCS))

        ifneq (,$$($1_ALL_COPIES))

            # Yep, there are files to be copied!

            $1_ALL_COPY_TARGETS:=

            $$(foreach i,$$($1_ALL_COPIES),$$(eval $$(call add_file_to_copy,$1,$$i)))

            # Now we can depend on $$($1_ALL_COPY_TARGETS) to copy all files!

        endif

    endif

    # Find all property files to be copied and cleaned from source to bin.

    ifneq (,$$($1_CLEAN))

        # Search for all files to be copied.

        $1_ALL_CLEANS := $$(filter $$(addprefix %,$$($1_CLEAN)),$$($1_ALL_SRCS))

        # Copy and clean must also respect filters.

        ifneq (,$$($1_INCLUDES))

            $1_ALL_CLEANS := $$(filter $$($1_SRC_INCLUDES),$$($1_ALL_CLEANS))

        endif

        ifneq (,$$($1_EXCLUDES))

            $1_ALL_CLEANS := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_ALL_CLEANS))

        endif

        ifneq (,$$($1_EXCLUDE_FILES))

            $1_ALL_CLEANS := $$(filter-out $$($1_EXCLUDE_FILES_PATTERN),$$($1_ALL_CLEANS))

        endif

        ifneq (,$$($1_ALL_CLEANS))

            # Yep, there are files to be copied and cleaned!

            $1_ALL_COPY_CLEAN_TARGETS:=

            $$(foreach i,$$($1_ALL_CLEANS),$$(eval $$(call add_file_to_copy_and_clean,$1,$$i)))

            # Now we can depend on $$($1_ALL_COPY_CLEAN_TARGETS) to copy all files!

        endif

    endif

    # Prep the source paths.

    ifneq ($$($1_JAVAC_SOURCE_PATH_UGLY_OVERRIDE),)

      $$(eval $$(call replace_space_with_pathsep,$1_SRCROOTSC,$$($1_JAVAC_SOURCE_PATH_UGLY_OVERRIDE)))

    else

      $$(eval $$(call replace_space_with_pathsep,$1_SRCROOTSC,$$($1_SRC)))

    endif

    # Create a sed expression to remove the source roots and to replace / with .

    # and remove .java at the end. 

    $1_REWRITE_INTO_CLASSES:=$$(foreach i,$$($1_SRC),-e 's|$$i/||g') -e 's|/|.|g' -e 's|.java$$$$||g'

    ifeq ($$($1_DISABLE_SJAVAC)x$$(ENABLE_SJAVAC),xyes)

        ifneq (,$$($1_HEADERS))

            $1_HEADERS_ARG := -h $$($1_HEADERS)

        endif

        # Using sjavac to compile. 

        $1 := $$($1_ALL_COPY_TARGETS) $$($1_ALL_COPY_CLEAN_TARGETS) $$($1_BIN)/javac_state

        # Create SJAVAC variable,

        # expects $1_JAVAC to be "bootclasspathprepend -jar ...javac.jar"

        # and it is rewritten into "bootclasspathprepend com.sun.tools.sjavac.Main"

        $1_SJAVAC:=$$(word 1,$$($1_JAVAC)) -cp $$(word 3,$$($1_JAVAC)) com.sun.tools.sjavac.Main

        # Set the $1_REMOTE to spawn a background javac server.

        $1_REMOTE:=--server:portfile=$$($1_SJAVAC_PORTFILE),id=$1,sjavac=$$(subst $$(SPACE),%20,$$(subst $$(COMMA),%2C,$$(strip $$($1_SERVER_JVM) $$($1_SJAVAC))))

        $$($1_BIN)/javac_state: $$($1_SRCS) $$($1_DEPENDS)

		$(MKDIR) -p $$(@D)

		$$(call ListPathsSafely,$1_SRCS,\n, >> $$($1_BIN)/_the.batch.tmp)

		$(ECHO) Compiling $1

		($$($1_JVM) $$($1_SJAVAC) \

			$$($1_REMOTE) \

			-j $(NUM_CORES) \

			--permit-unidentified-artifacts \

			--permit-sources-without-package \

			--compare-found-sources $$($1_BIN)/_the.batch.tmp \