1 #
   2 # Copyright (c) 2011, 2014, 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 makefile is much simpler now that it can use the smart javac wrapper
  27 # for dependency tracking between java packages and incremental compiles.
  28 # It could be even more simple if we added support for incremental jar updates
  29 # directly from the smart javac wrapper.
  30 
  31 # Cleaning/copying properties here is not a good solution. The properties
  32 # should be cleaned/copied by a annotation processor in sjavac.
  33 
  34 # When you read this source. Remember that $(sort ...) has the side effect
  35 # of removing duplicates. It is actually this side effect that is
  36 # desired whenever sort is used below!
  37 
  38 ifndef _JAVA_COMPILATION_GMK
  39 _JAVA_COMPILATION_GMK := 1
  40 
  41 ifeq (,$(_MAKEBASE_GMK))
  42   $(error You must include MakeBase.gmk prior to including JavaCompilation.gmk)
  43 endif
  44 
  45 # Java compilation needs SetupZipArchive if we're generating a source zip.
  46 include ZipArchive.gmk
  47 
  48 FALSE_FIND_PATTERN:=-name FILE_NAME_THAT_DOESNT_EXIST
  49 
  50 # Setup make rules for defining a Java compiler, which is needed to compile
  51 # Java code. This rule generates no output.
  52 #
  53 # Parameter 1 is the name of the compiler definition. This name needs to be
  54 # passed to SetupJavaCompilation. This name is used as variable prefix.
  55 #
  56 # Remaining parameters are named arguments. These include:
  57 #   JVM:=The jvm used to run the javac/javah command
  58 #   JAVAC:=The javac jar and bootstrap classpath changes, or just bin/javac if JVM is left out
  59 #   FLAGS:=Flags to be supplied to javac
  60 #   SERVER_DIR:=Use a javac server (-XDserver) and store the server related files here
  61 #   SERVER_JVM:=Use this JVM for the server. Defaults to the JVM above.
  62 define SetupJavaCompiler
  63   $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompiler, please update JavaCompilation.gmk))
  64   $(call EvalDebugWrapper,$(strip $1),$(call SetupJavaCompilerInner,$(strip $1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15)))
  65 endef
  66 
  67 define SetupJavaCompilerInner
  68   $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $(strip $($i)),$1_$(strip $($i)))$(NEWLINE))
  69   $(call LogSetupMacroEntry,SetupJavaCompiler($1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))
  70   $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompiler, please update JavaCompilation.gmk))
  71 
  72   # The port file contains the tcp/ip on which the server listens
  73   # and the cookie necessary to talk to the server.
  74   $1_SJAVAC_PORTFILE:=$$($1_SERVER_DIR)/server.port
  75   # You can use a different JVM to run the background javac server.
  76   ifeq ($$($1_SERVER_JVM),)
  77     # It defaults to the same JVM that is used to start the javac command.
  78     $1_SERVER_JVM:=$$($1_JVM)
  79   endif
  80 endef
  81 
  82 # Setup make rules for creating a jar archive.
  83 #
  84 # Parameter 1 is the name of the rule. This name is used as variable prefix,
  85 # and the targets generated are listed in a variable by that name.
  86 #
  87 # Parameter 2 is a list of dependencies for the jar target. If left empty,
  88 # dependencies are searched using SRCS, which should not be empty.
  89 #
  90 # Remaining parameters are named arguments. These include:
  91 #   SRCS:=List of directories in where to find files to add to archive
  92 #   SUFFIXES:=File suffixes to include in jar
  93 #   INCLUDES:=List of directories/packages in SRCS that should be included
  94 #   EXCLUDES:=List of directories/packages in SRCS that should be excluded
  95 #   EXCLUDE_FILES:=List of files in SRCS that should be excluded
  96 #   EXTRA_FILES:=List of files in SRCS that should be included regardless of suffix match.
  97 #   JAR:=Jar file to create
  98 #   MANIFEST:=Optional manifest file template.
  99 #   JARMAIN:=Optional main class to add to manifest
 100 #   JARINDEX:=true means generate the index in the jar file.
 101 #   SKIP_METAINF:=Set to prevent contents of an META-INF directory to be automatically
 102 #       added to the archive.
 103 #   EXTRA_MANIFEST_ATTR:=Extra attribute to add to manifest.
 104 #   CHECK_COMPRESS_JAR Check the COMPRESS_JAR variable
 105 define SetupArchive
 106   $(if $(16),$(error Internal makefile error: Too many arguments to SetupArchive, please update JavaCompilation.gmk))
 107   $(call EvalDebugWrapper,$(strip $1),$(call SetupArchiveInner,$(strip $1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15)))
 108 endef
 109 
 110 define SetupArchiveInner
 111   # NOTE: $2 is dependencies, not a named argument!
 112   $(foreach i,3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $(strip $($i)),$1_$(strip $($i)))$(NEWLINE))
 113   $(call LogSetupMacroEntry,SetupArchive($1),<dependencies>,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))
 114   $(if $(findstring $(LOG_LEVEL),trace), $(info *[2] <dependencies> = $(strip $2)))
 115   $(if $(16),$(error Internal makefile error: Too many arguments to SetupArchive, please update JavaCompilation.gmk))
 116 
 117   $1_JARMAIN:=$(strip $$($1_JARMAIN))
 118   $1_JARNAME:=$$(notdir $$($1_JAR))
 119   $1_MANIFEST_FILE:=$$(dir $$($1_JAR))_the.$$($1_JARNAME)_manifest
 120   $1_DELETESS_FILE:=$$(dir $$($1_JAR))_the.$$($1_JARNAME)_deletess
 121   $1_DELETES_FILE:=$$(dir $$($1_JAR))_the.$$($1_JARNAME)_deletes
 122   $1_BIN:=$$(dir $$($1_JAR))
 123 
 124   ifeq (,$$($1_SUFFIXES))
 125     # No suffix was set, default to classes.
 126     $1_SUFFIXES:=.class
 127   endif
 128   # Convert suffixes to a find expression
 129   $1_FIND_PATTERNS:=$(FALSE_FIND_PATTERN) $$(patsubst %,$(SPACE)-o$(SPACE)-name$(SPACE)$(DQUOTE)*%$(DQUOTE),$$($1_SUFFIXES))
 130   # On windows, a lot of includes/excludes risk making the command line too long, so
 131   # writing the grep patterns to files.
 132   # Grep returns 1 if nothing is matched. Do not fail the build for this.
 133   ifneq (,$$($1_INCLUDES))
 134     $1_GREP_INCLUDE_PATTERNS:=$$(call EscapeDollar, \
 135         $$(foreach src,$$($1_SRCS), $$(addprefix $$(src)/,$$($1_INCLUDES))))
 136     # If there are a lot of include patterns, output to file to shorten command lines
 137     ifeq ($$(word 20,$$($1_GREP_INCLUDE_PATTERNS)),)
 138       $1_GREP_INCLUDES:=| ( $(GREP) $$(patsubst %,$(SPACE)-e$(SPACE)$(DQUOTE)%$(DQUOTE),$$($1_GREP_INCLUDE_PATTERNS)) \
 139           || test "$$$$?" = "1" )
 140     else
 141       $1_GREP_INCLUDE_OUTPUT:=$(RM) $$($1_BIN)/_the.$$($1_JARNAME)_include $$(NEWLINE) \
 142           $$(call ListPathsSafely,$1_GREP_INCLUDE_PATTERNS,\n, \
 143           >> $$($1_BIN)/_the.$$($1_JARNAME)_include)
 144       $1_GREP_INCLUDES:=| ( $(GREP) -f $$($1_BIN)/_the.$$($1_JARNAME)_include \
 145           || test "$$$$?" = "1" )
 146     endif
 147   endif
 148   ifneq (,$$($1_EXCLUDES)$$($1_EXCLUDE_FILES))
 149     $1_GREP_EXCLUDE_PATTERNS:=$$(call EscapeDollar, \
 150         $$(foreach src,$$($1_SRCS),$$(addprefix $$(src)/, \
 151         $$($1_EXCLUDES) $$($1_EXCLUDE_FILES))))
 152     # If there are a lot of include patterns, output to file to shorten command lines
 153     ifeq ($$(word 20,$$($1_GREP_EXCLUDE_PATTERNS)),)
 154       $1_GREP_EXCLUDES:=| ( $(GREP) -v $$(patsubst %,$(SPACE)-e$(SPACE)$(DQUOTE)%$(DQUOTE),$$($1_GREP_EXCLUDE_PATTERNS)) \
 155           || test "$$$$?" = "1" )
 156     else
 157       $1_GREP_EXCLUDE_OUTPUT=$(RM) $$($1_BIN)/_the.$$($1_JARNAME)_exclude $$(NEWLINE) \
 158           $$(call ListPathsSafely,$1_GREP_EXCLUDE_PATTERNS,\n, \
 159           >> $$($1_BIN)/_the.$$($1_JARNAME)_exclude)
 160       $1_GREP_EXCLUDES:=| ( $(GREP) -v -f $$($1_BIN)/_the.$$($1_JARNAME)_exclude \
 161           || test "$$$$?" = "1" )
 162     endif
 163   endif
 164 
 165   # Check if this jar needs to have its index generated.
 166   ifneq (,$$($1_JARINDEX))
 167     $1_JARINDEX = (cd $$(dir $$@) && $(JAR) -i $$(notdir $$@))
 168   else
 169     $1_JARINDEX = true
 170   endif
 171   # When this macro is run in the same makefile as the java compilation, dependencies are
 172   # transfered in make variables. When the macro is run in a different makefile than the
 173   # java compilation, the dependencies need to be found in the filesystem.
 174   ifneq (,$2)
 175     $1_DEPS:=$2
 176   else
 177     # Add all source roots to the find cache since we are likely going to run find
 178     # on these more than once. The cache will only be updated if necessary.
 179     $$(eval $$(call FillCacheFind, $$($1_FIND_LIST)))
 180     $1_DEPS:=$$(filter $$(addprefix %,$$($1_SUFFIXES)), \
 181         $$(call CacheFind,$$($1_SRCS)))
 182     ifneq (,$$($1_GREP_INCLUDE_PATTERNS))
 183       $1_DEPS:=$$(filter $$(addsuffix %,$$($1_GREP_INCLUDE_PATTERNS)),$$($1_DEPS))
 184     endif
 185     ifneq (,$$($1_GREP_EXCLUDE_PATTERNS))
 186       $1_DEPS:=$$(filter-out $$(addsuffix %,$$($1_GREP_EXCLUDE_PATTERNS)),$$($1_DEPS))
 187     endif
 188     # Look for EXTRA_FILES in all SRCS dirs and as absolute paths.
 189     $1_DEPS+=$$(wildcard $$(foreach src, $$($1_SRCS), \
 190         $$(addprefix $$(src)/, $$($1_EXTRA_FILES))) $$($1_EXTRA_FILES))
 191     ifeq (,$$($1_SKIP_METAINF))
 192       $1_DEPS+=$$(call CacheFind,$$(wildcard $$(addsuffix /META-INF,$$($1_SRCS))))
 193     endif
 194   endif
 195   # The dependency list should never be empty
 196   ifeq ($$(strip $$($1_DEPS)), )
 197     $$(warning No dependencies found for $1)
 198   endif
 199 
 200   # Utility macros, to make the shell script receipt somewhat easier to decipher.
 201 
 202   # Capture extra files is the same for both CAPTURE_CONTENTS and SCAPTURE_CONTENTS so
 203   # only define it once to avoid duplication.
 204   # The list of extra files might be long, so need to use ListPathsSafely to print
 205   # them out to a separte file. Then process the contents of that file to rewrite
 206   # into -C <dir> <file> lines.
 207   # The EXTRA_FILES_RESOLVED varible must be set in the macro so that it's evaluated
 208   # in the recipe when the files are guaranteed to exist.
 209   $1_CAPTURE_EXTRA_FILES=\
 210       $(RM) $$($1_BIN)/_the.$$($1_JARNAME)_contents.extra $$(NEWLINE) \
 211       $$(eval $1_EXTRA_FILES_RESOLVED:=$$(call DoubleDollar, $$(call DoubleDollar, \
 212           $$(wildcard $$(foreach src, $$($1_SRCS), \
 213           $$(addprefix $$(src)/, $$($1_EXTRA_FILES))) $$($1_EXTRA_FILES))))) \
 214       $$(if $$($1_EXTRA_FILES_RESOLVED), \
 215         $$(call ListPathsSafely,$1_EXTRA_FILES_RESOLVED,\n, \
 216             >> $$($1_BIN)/_the.$$($1_JARNAME)_contents.extra) $$(NEWLINE) \
 217         $(SED) $$(foreach src,$$($1_SRCS), -e 's|$$(src)/|-C $$(src) |g') \
 218             $$($1_BIN)/_the.$$($1_JARNAME)_contents.extra \
 219             >> $$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE))
 220 
 221   # The capture contents macro finds all files (matching the patterns, typically
 222   # .class and .prp) that are newer than the jar-file, ie the new content to be put into the jar.
 223   # NOTICE: please leave the parentheses space separated otherwise the AIX build will break!
 224   $1_CAPTURE_CONTENTS=\
 225       $(RM) $$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE) \
 226       $$(foreach src,$$($1_SRCS), \
 227         $(FIND) $$(src) -type f -a \( $$($1_FIND_PATTERNS) \) -a -newer $$@ $$($1_GREP_INCLUDES) \
 228           $$($1_GREP_EXCLUDES) | $(SED) 's|$$(src)/|-C $$(src) |g' \
 229         >> $$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE)) \
 230       $$($1_CAPTURE_EXTRA_FILES)
 231 
 232   # The capture metainf macro finds all files below the META-INF directory that are newer than the jar-file.
 233   # Find returns non zero if the META-INF dir does not exist, ignore this.
 234   ifeq (,$$($1_SKIP_METAINF))
 235     $1_CAPTURE_METAINF =$$(foreach src,$$($1_SRCS), \
 236         ( ( $(FIND) $$(src)/META-INF -type f -a -newer $$@ 2> /dev/null || true ) \
 237             | $(SED) 's|$$(src)/|-C $$(src) |g' >> \
 238         $$($1_BIN)/_the.$$($1_JARNAME)_contents ) $$(NEWLINE) )
 239   endif
 240   # The capture deletes macro finds all deleted files and concatenates them. The resulting file
 241   # tells us what to remove from the jar-file.
 242   $1_CAPTURE_DELETES=$$(foreach src,$$($1_SRCS),($(FIND) $$(src) -name _the.package.deleted -newer $$@ \
 243       -exec $(SED) 's|$$(src)||g' \{\} >> $$($1_DELETES_FILE) \;) $$(NEWLINE))
 244   # The update contents macro updates the jar file with the previously capture contents.
 245   # Use 'wc -w' to see if the contents file is empty.
 246   $1_UPDATE_CONTENTS=\
 247       if [ "`$(WC) -l $$($1_BIN)/_the.$$($1_JARNAME)_contents | $(AWK) '{ print $$$$1 }'`" -gt "0" ]; then \
 248         $(ECHO) "  updating" `$(WC) -l $$($1_BIN)/_the.$$($1_JARNAME)_contents | $(AWK) '{ print $$$$1 }'` files && \
 249         $(JAR) $$($1_JAR_UPDATE_OPTIONS) $$@ @$$($1_BIN)/_the.$$($1_JARNAME)_contents; \
 250       fi $$(NEWLINE)
 251   # The s-variants of the above macros are used when the jar is created from scratch.
 252   # NOTICE: please leave the parentheses space separated otherwise the AIX build will break!
 253   $1_SCAPTURE_CONTENTS=\
 254       $(RM) $$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE) \
 255       $$(foreach src,$$($1_SRCS), \
 256         $(FIND) $$(src) -type f -a \( $$($1_FIND_PATTERNS) \) $$($1_GREP_INCLUDES) \
 257             $$($1_GREP_EXCLUDES) | $(SED) 's|$$(src)/|-C $$(src) |g' \
 258             >> $$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE)) \
 259       $$($1_CAPTURE_EXTRA_FILES)
 260 
 261   # Find returns non zero if the META-INF dir does not exist, ignore this.
 262   ifeq (,$$($1_SKIP_METAINF))
 263     $1_SCAPTURE_METAINF=$$(foreach src,$$($1_SRCS), \
 264         ( ( $(FIND) $$(src)/META-INF -type f 2> /dev/null || true ) \
 265             | $(SED) 's|$$(src)/|-C $$(src) |g' >> \
 266         $$($1_BIN)/_the.$$($1_JARNAME)_contents) $$(NEWLINE) )
 267   endif
 268   $1_SUPDATE_CONTENTS=$(JAR) $$($1_JAR_UPDATE_OPTIONS) $$@ @$$($1_BIN)/_the.$$($1_JARNAME)_contents $$(NEWLINE)
 269 
 270   # Use a slightly shorter name for logging, but with enough path to identify this jar.
 271   $1_NAME:=$$(subst $$(OUTPUT_ROOT)/,,$$($1_JAR))
 272 
 273   ifneq (,$$($1_CHECK_COMPRESS_JAR))
 274     $1_JAR_CREATE_OPTIONS := c0fm
 275     $1_JAR_UPDATE_OPTIONS := u0f
 276     ifeq ($(COMPRESS_JARS), true)
 277       $1_JAR_CREATE_OPTIONS := cfm
 278       $1_JAR_UPDATE_OPTIONS := uf
 279     endif
 280   else
 281     $1_JAR_CREATE_OPTIONS := cfm
 282     $1_JAR_UPDATE_OPTIONS := uf
 283   endif
 284 
 285   # Include all variables of significance in the vardeps file
 286   $1_VARDEPS := $(JAR) $$($1_JAR_CREATE_OPTIONS) $$($1_MANIFEST) $(RELEASE) $(COMPANY_NAME) \
 287       $$($1_JARMAIN) $$($1_EXTRA_MANIFEST_ATTR)
 288   $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, $$(dir $$($1_JAR))_the.$$($1_JARNAME).vardeps)
 289 
 290   # Here is the rule that creates/updates the jar file.
 291   $$($1_JAR) : $$($1_DEPS) $$($1_MANIFEST) $$($1_VARDEPS_FILE)
 292         $(MKDIR) -p $$($1_BIN)
 293         $$($1_GREP_INCLUDE_OUTPUT)
 294         $$($1_GREP_EXCLUDE_OUTPUT)
 295         # If the vardeps file is part of the newer prereq list, it means that
 296         # either the jar file does not exist, or we need to recreate it from
 297         # from scratch anyway since a simple update will not catch all the 
 298         # potential changes.
 299         $$(if $$(filter $$($1_VARDEPS_FILE) $$($1_MANIFEST), $$?), \
 300           $$(if $$($1_MANIFEST), \
 301             $(SED) -e "s#@@RELEASE@@#$(RELEASE)#" \
 302                 -e "s#@@COMPANY_NAME@@#$(COMPANY_NAME)#" $$($1_MANIFEST) > $$($1_MANIFEST_FILE) $$(NEWLINE) \
 303           , \
 304             $(RM) $$($1_MANIFEST_FILE) && $(TOUCH) $$($1_MANIFEST_FILE) $$(NEWLINE)) \
 305           $$(if $$($1_JARMAIN), \
 306             $(ECHO) "Main-Class: $$(strip $$($1_JARMAIN))" >> $$($1_MANIFEST_FILE) $$(NEWLINE)) \
 307           $$(if $$($1_EXTRA_MANIFEST_ATTR), \
 308             $(PRINTF) "$$($1_EXTRA_MANIFEST_ATTR)\n" >> $$($1_MANIFEST_FILE) $$(NEWLINE)) \
 309           $(ECHO) Creating $$($1_NAME) $$(NEWLINE) \
 310           $(JAR) $$($1_JAR_CREATE_OPTIONS) $$@ $$($1_MANIFEST_FILE) $$(NEWLINE) \
 311           $$($1_SCAPTURE_CONTENTS) \
 312           $$($1_SCAPTURE_METAINF) \
 313           $$($1_SUPDATE_CONTENTS) \
 314           $$($1_JARINDEX) && true \
 315         , \
 316           $(ECHO) Modifying $$($1_NAME) $$(NEWLINE) \
 317           $$($1_CAPTURE_CONTENTS) \
 318           $$($1_CAPTURE_METAINF) \
 319           $(RM) $$($1_DELETES_FILE) $$(NEWLINE) \
 320           $$($1_CAPTURE_DELETES) \
 321           $(CAT) $$($1_DELETES_FILE) > $$($1_DELETESS_FILE) $$(NEWLINE) \
 322           if [ -s $$($1_DELETESS_FILE) ]; then \
 323             $(ECHO) "  deleting" `$(WC) -l $$($1_DELETESS_FILE) | $(AWK) '{ print $$$$1 }'` files && \
 324             $(ZIP) -q -d $$@ `$(CAT) $$($1_DELETESS_FILE)` ; \
 325           fi $$(NEWLINE) \
 326           $$($1_UPDATE_CONTENTS) true $$(NEWLINE) \
 327           $$($1_JARINDEX) && true )
 328 
 329   # Add jar to target list
 330   $1 += $$($1_JAR)
 331 endef
 332 
 333 
 334 define add_file_to_copy
 335   # param 1 = BUILD_MYPACKAGE
 336   # parma 2 = The source file to copy.
 337   $2_TARGET:=$2
 338   # Remove the source prefix.
 339   $$(foreach i,$$($1_SRC),$$(eval $$(call remove_string,$$i,$2_TARGET)))
 340   # To allow for automatic overrides, do not create a rule for a target file that
 341   # already has one
 342   ifeq ($$(findstring $$($2_TARGET), $$($1_COPY_LIST)), )
 343     $1_COPY_LIST += $$($2_TARGET)
 344     # Now we can setup the depency that will trigger the copying.
 345     $$($1_BIN)$$($2_TARGET) : $2
 346         $(MKDIR) -p $$(@D)
 347         $(CP) $$< $$@
 348         $(CHMOD) -f ug+w $$@
 349 
 350     # And do not forget this target
 351     $1_ALL_COPY_TARGETS += $$($1_BIN)$$($2_TARGET)
 352   endif
 353 endef
 354 
 355 
 356 # This macro is used only for properties files that are to be
 357 # copied over to the classes directory in cleaned form:
 358 # Previously this was inconsistently done in different repositories.
 359 # This is the new clean standard. Though it is to be superseded by
 360 # a standard annotation processor from with sjavac.
 361 #
 362 # An empty echo ensures that the input to sed always ends with a newline.
 363 # Certain implementations (e.g. Solaris) will skip the last line without
 364 # it.
 365 #
 366 # The sed expression does this:
 367 # 1. Add a backslash before any :, = or ! that do not have a backslash already.
 368 # 2. Apply the file unicode2x.sed which does a whole bunch of \u00XX to \xXX
 369 #    conversions.
 370 # 3. Delete all lines starting with #.
 371 # 4. Delete empty lines.
 372 # 5. Append lines ending with \ with the next line.
 373 # 6. Remove leading and trailing white space. Note that tabs must be explicit
 374 #    as sed on macosx does not understand '\t'.
 375 # 7. Replace the first \= with just =.
 376 # 8. Finally it's all sorted to create a stable output.
 377 #
 378 # It is assumed that = is the character used for separating names and values.
 379 define add_file_to_clean
 380   # param 1 = BUILD_MYPACKAGE
 381   # parma 2 = The source file to copy and clean.
 382   $2_TARGET:=$2
 383   # Remove the source prefix.
 384   $$(foreach i,$$($1_SRC),$$(eval $$(call remove_string,$$i,$2_TARGET)))
 385   # Now we can setup the depency that will trigger the copying.
 386   $$($1_BIN)$$($2_TARGET) : $2
 387         $(MKDIR) -p $$(@D)
 388         export LC_ALL=C ; ( $(CAT) $$< && $(ECHO) "" ) \
 389             | $(SED) -e 's/\([^\\]\):/\1\\:/g' -e 's/\([^\\]\)=/\1\\=/g' \
 390                 -e 's/\([^\\]\)!/\1\\!/g' -e 's/#.*/#/g' \
 391             | $(SED) -f "$(SRC_ROOT)/make/common/support/unicode2x.sed" \
 392             | $(SED) -e '/^#/d' -e '/^$$$$/d' \
 393                 -e :a -e '/\\$$$$/N; s/\\\n//; ta' \
 394                 -e 's/^[        ]*//;s/[        ]*$$$$//' \
 395                 -e 's/\\=/=/' \
 396             | $(SORT) > $$@
 397         $(CHMOD) -f ug+w $$@
 398 
 399   # And do not forget this target
 400   $1_ALL_COPY_CLEAN_TARGETS += $$($1_BIN)$$($2_TARGET)
 401 endef
 402 
 403 define remove_string
 404   $2 := $$(subst $1,,$$($2))
 405 endef
 406 
 407 # Setup make rules for compiling Java source code to class files and/or a
 408 # resulting jar file.
 409 #
 410 # Parameter 1 is the name of the rule. This name is used as variable prefix,
 411 # and the targets generated are listed in a variable by that name.
 412 #
 413 # Remaining parameters are named arguments. These include:
 414 #   SETUP:=must point to a previously setup java compiler, for example: SETUP:=BOOTJAVAC
 415 #   JVM:=path to ..bin/java
 416 #   ADD_JAVAC_FLAGS:=javac flags to append to the default ones.
 417 #   SRC:=one or more directories to search for sources
 418 #   BIN:=store classes here
 419 #   INCLUDES:=myapp.foo means will only compile java files in myapp.foo or any of its sub-packages.
 420 #   EXCLUDES:=myapp.foo means will do not compile java files in myapp.foo or any of its sub-packages.
 421 #   COPY:=.prp means copy all prp files to the corresponding package in BIN.
 422 #   COPY_FILES:=myapp/foo/setting.txt means copy this file over to the package myapp/foo
 423 #   CLEAN:=.properties means copy and clean all properties file to the corresponding package in BIN.
 424 #   CLEAN_FILES:=myapp/foo/setting.txt means clean this file over to the package myapp/foo
 425 #   SRCZIP:=Create a src.zip based on the found sources and copied files.
 426 #   INCLUDE_FILES:="com/sun/SolarisFoobar.java" means only compile this file!
 427 #   EXCLUDE_FILES:="com/sun/SolarisFoobar.java" means do not compile this particular file!
 428 #       "SolarisFoobar.java" means do not compile SolarisFoobar, wherever it is found.
 429 #   HEADERS:=path to directory where all generated c-headers are written.
 430 #   DEPENDS:=Extra dependecy
 431 #   DISABLE_SJAVAC:=Explicitly disable the use of sjavac for this compilation unit.
 432 define SetupJavaCompilation
 433   $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompilation, please update JavaCompilation.gmk))
 434   $(call EvalDebugWrapper,$(strip $1),$(call SetupJavaCompilationInner,$(strip $1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15)))
 435 endef
 436 
 437 define SetupJavaCompilationInner
 438   $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15, $(if $(strip $($i)),$1_$(strip $($i)))$(NEWLINE))
 439   $(call LogSetupMacroEntry,SetupJavaCompilation($1),$2,$3,$4,$5,$6,$7,$8,$9,$(10),$(11),$(12),$(13),$(14),$(15))
 440   $(if $(16),$(error Internal makefile error: Too many arguments to SetupJavaCompilation, please update JavaCompilation.gmk))
 441 
 442   # Verify arguments
 443   ifeq ($$($1_BIN),)
 444     $$(error Must specify BIN (in $1))
 445   endif
 446 
 447   # Extract the info from the java compiler setup.
 448   $1_JVM := $$($$($1_SETUP)_JVM)
 449   $1_JAVAC := $$($$($1_SETUP)_JAVAC)
 450   $1_FLAGS := $$($$($1_SETUP)_FLAGS) $(JAVAC_FLAGS) $$($1_ADD_JAVAC_FLAGS)
 451   ifeq ($$($1_JAVAC),)
 452     $$(error The Java compilation $1 refers to a non-existant java compiler setup $$($1_SETUP))
 453   endif
 454   $1_SJAVAC_PORTFILE := $$($$($1_SETUP)_SJAVAC_PORTFILE)
 455   $1_SERVER_JVM := $$($$($1_SETUP)_SERVER_JVM)
 456 
 457   # Handle addons and overrides.
 458   $1_SRC:=$$(call ADD_SRCS,$$($1_SRC))
 459   # Make sure the dirs exist.
 460   $$(foreach d,$$($1_SRC), $$(if $$(wildcard $$d),,$$(error SRC specified to SetupJavaCompilation $1 contains missing directory $$d)))
 461   $$(call MakeDir,$$($1_BIN))
 462   # Add all source roots to the find cache since we are likely going to run find
 463   # on these more than once. The cache will only be updated if necessary.
 464   $$(eval $$(call FillCacheFind,$$($1_SRC)))
 465   # Find all files in the source trees. Preserve order of source roots for overrides to
 466   # work correctly. CacheFind does not preserve order so need to call it for each root.
 467   $1_ALL_SRCS += $$(filter-out $(OVR_SRCS),$$(foreach s,$$($1_SRC),$$(call CacheFind,$$(s))))
 468   # Extract the java files.
 469   ifneq ($$($1_EXCLUDE_FILES),)
 470     $1_EXCLUDE_FILES_PATTERN:=$$(addprefix %,$$($1_EXCLUDE_FILES))
 471   endif
 472   $1_SRCS := $$(filter-out $$($1_EXCLUDE_FILES_PATTERN),$$(filter %.java,$$($1_ALL_SRCS)))
 473   ifneq ($$($1_INCLUDE_FILES),)
 474     $1_INCLUDE_FILES:=$$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$($1_INCLUDE_FILES)))
 475     $1_SRCS := $$(filter $$($1_INCLUDE_FILES), $$($1_SRCS))
 476   endif
 477 
 478   # Now we have a list of all java files to compile: $$($1_SRCS)
 479 
 480   # Create the corresponding smart javac wrapper command line.
 481   $1_SJAVAC_ARGS:=$$(addprefix -x ,$$(addsuffix /*,$$($1_EXCLUDES))) \
 482       $$(addprefix -i ,$$(addsuffix /*,$$($1_INCLUDES))) \
 483       $$(addprefix -xf *,$$(strip $$($1_EXCLUDE_FILES))) \
 484       $$(addprefix -if *,$$(strip $$($1_INCLUDE_FILES))) \
 485       -src "$$(subst $$(SPACE),$$(PATH_SEP),$$(strip $$($1_SRC)))"
 486 
 487   # Prepend the source/bin path to the filter expressions.
 488   ifneq ($$($1_INCLUDES),)
 489     $1_SRC_INCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_INCLUDES))))
 490     $1_SRCS := $$(filter $$($1_SRC_INCLUDES),$$($1_SRCS))
 491   endif
 492   ifneq ($$($1_EXCLUDES),)
 493     $1_SRC_EXCLUDES := $$(foreach i,$$($1_SRC),$$(addprefix $$i/,$$(addsuffix /%,$$($1_EXCLUDES))))
 494     $1_SRCS := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_SRCS))
 495   endif
 496 
 497   # All files below META-INF are always copied.
 498   $1_ALL_COPIES := $$(filter $$(addsuffix /META-INF%,$$($1_SRC)),$$($1_ALL_SRCS))
 499   # Find all files to be copied from source to bin.
 500   ifneq (,$$($1_COPY)$$($1_COPY_FILES))
 501     # Search for all files to be copied.
 502     $1_ALL_COPIES += $$(filter $$(addprefix %,$$($1_COPY)),$$($1_ALL_SRCS))
 503     # Copy these explicitly
 504     $1_ALL_COPIES += $$($1_COPY_FILES)
 505   endif
 506   # Copy must also respect filters.
 507   ifneq (,$$($1_INCLUDES))
 508     $1_ALL_COPIES := $$(filter $$($1_SRC_INCLUDES),$$($1_ALL_COPIES))
 509   endif
 510   ifneq (,$$($1_EXCLUDES))
 511     $1_ALL_COPIES := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_ALL_COPIES))
 512   endif
 513   ifneq (,$$($1_EXCLUDE_FILES))
 514     $1_ALL_COPIES := $$(filter-out $$($1_EXCLUDE_FILES_PATTERN),$$($1_ALL_COPIES))
 515   endif
 516   ifneq (,$$($1_ALL_COPIES))
 517     # Yep, there are files to be copied!
 518     $1_ALL_COPY_TARGETS:=
 519         $$(foreach i,$$($1_ALL_COPIES),$$(eval $$(call add_file_to_copy,$1,$$i)))
 520     # Now we can depend on $$($1_ALL_COPY_TARGETS) to copy all files!
 521   endif
 522 
 523   # Find all property files to be copied and cleaned from source to bin.
 524   ifneq (,$$($1_CLEAN)$$($1_CLEAN_FILES))
 525     # Search for all files to be copied.
 526     $1_ALL_CLEANS := $$(filter $$(addprefix %,$$($1_CLEAN)),$$($1_ALL_SRCS))
 527     # Clean these explicitly
 528     $1_ALL_CLEANS += $$($1_CLEAN_FILES)
 529     # Copy and clean must also respect filters.
 530     ifneq (,$$($1_INCLUDES))
 531       $1_ALL_CLEANS := $$(filter $$($1_SRC_INCLUDES),$$($1_ALL_CLEANS))
 532     endif
 533     ifneq (,$$($1_EXCLUDES))
 534       $1_ALL_CLEANS := $$(filter-out $$($1_SRC_EXCLUDES),$$($1_ALL_CLEANS))
 535     endif
 536     ifneq (,$$($1_EXCLUDE_FILES))
 537       $1_ALL_CLEANS := $$(filter-out $$($1_EXCLUDE_FILES_PATTERN),$$($1_ALL_CLEANS))
 538     endif
 539     ifneq (,$$($1_ALL_CLEANS))
 540       # Yep, there are files to be copied and cleaned!
 541       $1_ALL_COPY_CLEAN_TARGETS:=
 542           $$(foreach i,$$($1_ALL_CLEANS),$$(eval $$(call add_file_to_clean,$1,$$i)))
 543       # Now we can depend on $$($1_ALL_COPY_CLEAN_TARGETS) to copy all files!
 544     endif
 545   endif
 546 
 547   # Create a sed expression to remove the source roots and to replace / with .
 548   # and remove .java at the end.
 549   $1_REWRITE_INTO_CLASSES:=$$(foreach i,$$($1_SRC),-e 's|$$i/||g') -e 's|/|.|g' -e 's|.java$$$$||g'
 550 
 551   ifeq ($$($1_DISABLE_SJAVAC)x$$(ENABLE_SJAVAC),xyes)
 552     ifneq (,$$($1_HEADERS))
 553       $1_HEADERS_ARG := -h $$($1_HEADERS)
 554     endif
 555 
 556     # Using sjavac to compile.
 557     $1_COMPILE_TARGETS := $$($1_BIN)/_the.$1_batch
 558 
 559     # Create SJAVAC variable form JAVAC variable. Expects $1_JAVAC to be
 560     # "bootclasspathprepend -cp .../javac.jar com.sun.tools.javac.Main"
 561     # and javac is simply replaced with sjavac.
 562     $1_SJAVAC:=$$(subst com.sun.tools.javac.Main,com.sun.tools.sjavac.Main,$$($1_JAVAC))
 563 
 564     # Set the $1_REMOTE to spawn a background javac server.
 565     $1_REMOTE:=--server:portfile=$$($1_SJAVAC_PORTFILE),id=$1,sjavac=$$(subst \
 566         $$(SPACE),%20,$$(subst $$(COMMA),%2C,$$(strip $$($1_SERVER_JVM) $$($1_SJAVAC))))
 567 
 568     $1_VARDEPS := $$($1_JVM) $$($1_SJAVAC) $$($1_SJAVAC_ARGS) $$($1_FLAGS) \
 569         $$($1_HEADERS_ARG) $$($1_BIN)
 570     $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, $$($1_BIN)/_the.$1.vardeps)
 571 
 572     $$($1_BIN)/_the.$1_batch: $$($1_SRCS) $$($1_DEPENDS) $$($1_VARDEPS_FILE)
 573         $(MKDIR) -p $$(@D) $$(dir $$($1_SJAVAC_PORTFILE))
 574         # As a workaround for sjavac not tracking api changed from the classpath, force full
 575         # recompile if an external dependency, which is something other than a source
 576         # change, triggered this compilation.
 577         $$(if $$(filter-out $$($1_SRCS), $$?), $(FIND) $$(@D) -name "*.class" $(FIND_DELETE))
 578         $$(call ListPathsSafely,$1_SRCS,\n, >> $$($1_BIN)/_the.$1_batch.tmp)
 579         $(ECHO) Compiling $1
 580         ($$($1_JVM) $$($1_SJAVAC) \
 581             $$($1_REMOTE) \
 582             -j 1 \
 583             --permit-unidentified-artifacts \
 584             --permit-sources-without-package \
 585             --compare-found-sources $$($1_BIN)/_the.$1_batch.tmp \
 586             --log=$(LOG_LEVEL) \
 587             $$($1_SJAVAC_ARGS) \
 588             $$($1_FLAGS) \
 589             $$($1_HEADERS_ARG) \
 590             -d $$($1_BIN) && \
 591         $(MV) $$($1_BIN)/_the.$1_batch.tmp $$($1_BIN)/_the.$1_batch)
 592         # Create a pubapi file that only changes when the pubapi changes. Dependent
 593         # compilations can use this file to only get recompiled when pubapi has changed.
 594         # Grep returns 1 if no matching lines are found. Do not fail for this.
 595         $(GREP) -e "^I" $$($1_BIN)/javac_state > $$($1_BIN)/_the.$1_pubapi.tmp \
 596             || test "$$$$?" = "1"
 597         if [ ! -f $$($1_BIN)/_the.$1_pubapi ] \
 598             || [ "`$(DIFF) $$($1_BIN)/_the.$1_pubapi $$($1_BIN)/_the.$1_pubapi.tmp`" != "" ]; then \
 599           $(MV) $$($1_BIN)/_the.$1_pubapi.tmp $$($1_BIN)/_the.$1_pubapi; \
 600         fi
 601 
 602   else
 603     # Using plain javac to batch compile everything.
 604     $1_COMPILE_TARGETS := $$($1_BIN)/_the.$1_batch
 605 
 606     # When building in batch, put headers in a temp dir to filter out those that actually
 607     # changed before copying them to the real header dir.
 608     ifneq (,$$($1_HEADERS))
 609       $1_HEADERS_ARG := -h $$($1_HEADERS).$1.tmp
 610 
 611       $$($1_HEADERS)/_the.$1_headers: $$($1_BIN)/_the.$1_batch
 612                 $(MKDIR) -p $$(@D)
 613                 if [ -d "$$($1_HEADERS).$1.tmp" ]; then \
 614                   for f in `ls $$($1_HEADERS).$1.tmp`; do \
 615                     if [ ! -f "$$($1_HEADERS)/$$$$f" ] \
 616                         || [ "`$(DIFF) $$($1_HEADERS)/$$$$f $$($1_HEADERS).$1.tmp/$$$$f`" != "" ]; then \
 617                     $(CP) -f $$($1_HEADERS).$1.tmp/$$$$f $$($1_HEADERS)/$$$$f; \
 618                   fi; \
 619                   done; \
 620                 fi
 621                 $(RM) -r $$($1_HEADERS).$1.tmp
 622                 $(TOUCH) $$@
 623 
 624       $1_HEADER_TARGETS := $$($1_HEADERS)/_the.$1_headers
 625     endif
 626 
 627     $1_VARDEPS := $$($1_JVM) $$($1_JAVAC) $$($1_FLAGS) $$($1_BIN) $$($1_HEADERS_ARG)
 628     $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, $$($1_BIN)/_the.$1.vardeps)
 629 
 630     # When not using sjavac, pass along all sources to javac using an @file.
 631     $$($1_BIN)/_the.$1_batch: $$($1_SRCS) $$($1_DEPENDS) $$($1_VARDEPS_FILE)
 632         $(MKDIR) -p $$(@D)
 633         $(RM) $$($1_BIN)/_the.$1_batch $$($1_BIN)/_the.$1_batch.tmp
 634         $$(call ListPathsSafely,$1_SRCS,\n, >> $$($1_BIN)/_the.$1_batch.tmp)
 635         $(ECHO) Compiling `$(WC) $$($1_BIN)/_the.$1_batch.tmp | $(TR) -s ' ' | $(CUT) -f 2 -d ' '` files for $1
 636         ($$($1_JVM) $$($1_JAVAC) $$($1_FLAGS) \
 637             -implicit:none \
 638             -d $$($1_BIN) $$($1_HEADERS_ARG) @$$($1_BIN)/_the.$1_batch.tmp && \
 639         $(MV) $$($1_BIN)/_the.$1_batch.tmp $$($1_BIN)/_the.$1_batch)
 640 
 641   endif
 642 
 643   # Add all targets to main variable
 644   $1 := $$($1_ALL_COPY_TARGETS) $$($1_ALL_COPY_CLEAN_TARGETS) $$($1_COMPILE_TARGETS) \
 645       $$($1_HEADER_TARGETS)
 646 
 647   # Check if a jar file was specified, then setup the rules for the jar.
 648   ifneq (,$$($1_JAR))
 649     # If no suffixes was explicitly set for this jar file.
 650     # Use class and the cleaned/copied properties file suffixes as the default
 651     # for the types of files to be put into the jar.
 652     ifeq (,$$($1_SUFFIXES))
 653       $1_SUFFIXES:=.class $$($1_CLEAN) $$($1_COPY)
 654     endif
 655 
 656     $$(eval $$(call SetupArchive,ARCHIVE_$1,$$($1), \
 657         SRCS:=$$($1_BIN), \
 658         SUFFIXES:=$$($1_SUFFIXES), \
 659         EXCLUDE:=$$($1_EXCLUDES), \
 660         INCLUDES:=$$($1_INCLUDES), \
 661         EXTRA_FILES:=$$($1_ALL_COPY_TARGETS) $$($1_ALL_COPY_CLEAN_TARGETS), \
 662         JAR:=$$($1_JAR), \
 663         JARMAIN:=$$($1_JARMAIN), \
 664         MANIFEST:=$$($1_MANIFEST), \
 665         EXTRA_MANIFEST_ATTR:=$$($1_EXTRA_MANIFEST_ATTR), \
 666         JARINDEX:=$$($1_JARINDEX), \
 667         HEADERS:=$$($1_HEADERS), \
 668         SETUP:=$$($1_SETUP)))
 669 
 670     # Add jar to target list
 671     $1 += $$($1_JAR)
 672   endif
 673 
 674   # Check if a srczip was specified, then setup the rules for the srczip.
 675   ifneq (,$$($1_SRCZIP))
 676     $$(eval $$(call SetupZipArchive,ARCHIVE_$1, \
 677         SRC:=$$($1_SRC), \
 678         ZIP:=$$($1_SRCZIP), \
 679         INCLUDES:=$$($1_INCLUDES), \
 680         EXCLUDES:=$$($1_EXCLUDES), \
 681         EXCLUDE_FILES:=$$($1_EXCLUDE_FILES)))
 682 
 683     # Add zip to target list
 684     $1 += $$($1_SRCZIP)
 685   endif
 686 endef
 687 
 688 # Use this macro to find the correct target to depend on when the original
 689 # SetupJavaCompilation is declared in a different makefile, to avoid having
 690 # to declare and evaluate it again.
 691 # param 1 is for example BUILD_MYPACKAGE
 692 # param 2 is the output directory (BIN)
 693 define SetupJavaCompilationCompileTarget
 694   $(if $(findstring yes, $(ENABLE_SJAVAC)), $(strip $2)/_the.$(strip $1)_pubapi, \
 695       $(strip $2)/_the.$(strip $1)_batch)
 696 endef
 697 
 698 endif # _JAVA_COMPILATION_GMK