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      1 #
      2 # Copyright (C) 2008 The Android Open Source Project
      3 #
      4 # Licensed under the Apache License, Version 2.0 (the "License");
      5 # you may not use this file except in compliance with the License.
      6 # You may obtain a copy of the License at
      7 #
      8 #      http://www.apache.org/licenses/LICENSE-2.0
      9 #
     10 # Unless required by applicable law or agreed to in writing, software
     11 # distributed under the License is distributed on an "AS IS" BASIS,
     12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 # See the License for the specific language governing permissions and
     14 # limitations under the License.
     15 #
     16 
     17 ##
     18 ## Common build system definitions.  Mostly standard
     19 ## commands for building various types of targets, which
     20 ## are used by others to construct the final targets.
     21 ##
     22 
     23 # These are variables we use to collect overall lists
     24 # of things being processed.
     25 
     26 # Full paths to all of the documentation
     27 ALL_DOCS:=
     28 
     29 # The short names of all of the targets in the system.
     30 # For each element of ALL_MODULES, two other variables
     31 # are defined:
     32 #   $(ALL_MODULES.$(target)).BUILT
     33 #   $(ALL_MODULES.$(target)).INSTALLED
     34 # The BUILT variable contains LOCAL_BUILT_MODULE for that
     35 # target, and the INSTALLED variable contains the LOCAL_INSTALLED_MODULE.
     36 # Some targets may have multiple files listed in the BUILT and INSTALLED
     37 # sub-variables.
     38 ALL_MODULES:=
     39 
     40 # Full paths to targets that should be added to the "make droid"
     41 # set of installed targets.
     42 ALL_DEFAULT_INSTALLED_MODULES:=
     43 
     44 # The list of tags that have been defined by
     45 # LOCAL_MODULE_TAGS.  Each word in this variable maps
     46 # to a corresponding ALL_MODULE_TAGS.<tagname> variable
     47 # that contains all of the INSTALLED_MODULEs with that tag.
     48 ALL_MODULE_TAGS:=
     49 
     50 # Similar to ALL_MODULE_TAGS, but contains the short names
     51 # of all targets for a particular tag.  The top-level variable
     52 # won't have the list of tags;  ust ALL_MODULE_TAGS to get
     53 # the list of all known tags.  (This means that this variable
     54 # will always be empty; it's just here as a placeholder for
     55 # its sub-variables.)
     56 ALL_MODULE_NAME_TAGS:=
     57 
     58 # Full paths to all prebuilt files that will be copied
     59 # (used to make the dependency on acp)
     60 ALL_PREBUILT:=
     61 
     62 # Full path to all files that are made by some tool
     63 ALL_GENERATED_SOURCES:=
     64 
     65 # Full path to all asm, C, C++, lex and yacc generated C files.
     66 # These all have an order-only dependency on the copied headers
     67 ALL_C_CPP_ETC_OBJECTS:=
     68 
     69 # The list of dynamic binaries that haven't been stripped/compressed/etc.
     70 ALL_ORIGINAL_DYNAMIC_BINARIES:=
     71 
     72 # These files go into the SDK
     73 ALL_SDK_FILES:=
     74 
     75 # Files for dalvik.  This is often build without building the rest of the OS.
     76 INTERNAL_DALVIK_MODULES:=
     77 
     78 # All findbugs xml files
     79 ALL_FINDBUGS_FILES:=
     80 
     81 # GPL module license files
     82 ALL_GPL_MODULE_LICENSE_FILES:=
     83 
     84 # Generated class file names for Android resource.
     85 # They are escaped and quoted so can be passed safely to a bash command.
     86 ANDROID_RESOURCE_GENERATED_CLASSES := 'R.class' 'R$$*.class' 'Manifest.class' 'Manifest$$*.class'
     87 
     88 ###########################################################
     89 ## Debugging; prints a variable list to stdout
     90 ###########################################################
     91 
     92 # $(1): variable name list, not variable values
     93 define print-vars
     94 $(foreach var,$(1), \
     95   $(info $(var):) \
     96   $(foreach word,$($(var)), \
     97     $(info $(space)$(space)$(word)) \
     98    ) \
     99  )
    100 endef
    101 
    102 ###########################################################
    103 ## Evaluates to true if the string contains the word true,
    104 ## and empty otherwise
    105 ## $(1): a var to test
    106 ###########################################################
    107 
    108 define true-or-empty
    109 $(filter true, $(1))
    110 endef
    111 
    112 
    113 ###########################################################
    114 ## Retrieve the directory of the current makefile
    115 ###########################################################
    116 
    117 # Figure out where we are.
    118 define my-dir
    119 $(strip \
    120   $(eval LOCAL_MODULE_MAKEFILE := $$(lastword $$(MAKEFILE_LIST))) \
    121   $(if $(filter $(CLEAR_VARS),$(LOCAL_MODULE_MAKEFILE)), \
    122     $(error LOCAL_PATH must be set before including $$(CLEAR_VARS)) \
    123    , \
    124     $(patsubst %/,%,$(dir $(LOCAL_MODULE_MAKEFILE))) \
    125    ) \
    126  )
    127 endef
    128 
    129 ###########################################################
    130 ## Retrieve a list of all makefiles immediately below some directory
    131 ###########################################################
    132 
    133 define all-makefiles-under
    134 $(wildcard $(1)/*/Android.mk)
    135 endef
    136 
    137 ###########################################################
    138 ## Look under a directory for makefiles that don't have parent
    139 ## makefiles.
    140 ###########################################################
    141 
    142 # $(1): directory to search under
    143 # Ignores $(1)/Android.mk
    144 define first-makefiles-under
    145 $(shell build/tools/findleaves.py --prune=out --prune=.repo --prune=.git \
    146         --mindepth=2 $(1) Android.mk)
    147 endef
    148 
    149 ###########################################################
    150 ## Retrieve a list of all makefiles immediately below your directory
    151 ###########################################################
    152 
    153 define all-subdir-makefiles
    154 $(call all-makefiles-under,$(call my-dir))
    155 endef
    156 
    157 ###########################################################
    158 ## Look in the named list of directories for makefiles,
    159 ## relative to the current directory.
    160 ###########################################################
    161 
    162 # $(1): List of directories to look for under this directory
    163 define all-named-subdir-makefiles
    164 $(wildcard $(addsuffix /Android.mk, $(addprefix $(call my-dir)/,$(1))))
    165 endef
    166 
    167 ###########################################################
    168 ## Find all of the java files under the named directories.
    169 ## Meant to be used like:
    170 ##    SRC_FILES := $(call all-java-files-under,src tests)
    171 ###########################################################
    172 
    173 define all-java-files-under
    174 $(patsubst ./%,%, \
    175   $(shell cd $(LOCAL_PATH) ; \
    176           find $(1) -name "*.java" -and -not -name ".*") \
    177  )
    178 endef
    179 
    180 ###########################################################
    181 ## Find all of the java files from here.  Meant to be used like:
    182 ##    SRC_FILES := $(call all-subdir-java-files)
    183 ###########################################################
    184 
    185 define all-subdir-java-files
    186 $(call all-java-files-under,.)
    187 endef
    188 
    189 ###########################################################
    190 ## Find all of the c files under the named directories.
    191 ## Meant to be used like:
    192 ##    SRC_FILES := $(call all-c-files-under,src tests)
    193 ###########################################################
    194 
    195 define all-c-files-under
    196 $(patsubst ./%,%, \
    197   $(shell cd $(LOCAL_PATH) ; \
    198           find $(1) -name "*.c" -and -not -name ".*") \
    199  )
    200 endef
    201 
    202 ###########################################################
    203 ## Find all of the c files from here.  Meant to be used like:
    204 ##    SRC_FILES := $(call all-subdir-c-files)
    205 ###########################################################
    206 
    207 define all-subdir-c-files
    208 $(call all-c-files-under,.)
    209 endef
    210 
    211 ###########################################################
    212 ## Find all files named "I*.aidl" under the named directories,
    213 ## which must be relative to $(LOCAL_PATH).  The returned list
    214 ## is relative to $(LOCAL_PATH).
    215 ###########################################################
    216 
    217 define all-Iaidl-files-under
    218 $(patsubst ./%,%, \
    219   $(shell cd $(LOCAL_PATH) ; \
    220           find $(1) -name "I*.aidl" -and -not -name ".*") \
    221  )
    222 endef
    223 
    224 ###########################################################
    225 ## Find all of the "I*.aidl" files under $(LOCAL_PATH).
    226 ###########################################################
    227 
    228 define all-subdir-Iaidl-files
    229 $(call all-Iaidl-files-under,.)
    230 endef
    231 
    232 ###########################################################
    233 ## Find all of the logtags files under the named directories.
    234 ## Meant to be used like:
    235 ##    SRC_FILES := $(call all-logtags-files-under,src)
    236 ###########################################################
    237 
    238 define all-logtags-files-under
    239 $(patsubst ./%,%, \
    240   $(shell cd $(LOCAL_PATH) ; \
    241           find $(1) -name "*.logtags" -and -not -name ".*") \
    242   )
    243 endef
    244 
    245 ###########################################################
    246 ## Find all of the .proto files under the named directories.
    247 ## Meant to be used like:
    248 ##    SRC_FILES := $(call all-proto-files-under,src)
    249 ###########################################################
    250 
    251 define all-proto-files-under
    252 $(patsubst ./%,%, \
    253   $(shell cd $(LOCAL_PATH) ; \
    254           find $(1) -name "*.proto" -and -not -name ".*") \
    255   )
    256 endef
    257 
    258 ###########################################################
    259 ## Find all of the RenderScript files under the named directories.
    260 ##  Meant to be used like:
    261 ##    SRC_FILES := $(call all-renderscript-files-under,src)
    262 ###########################################################
    263 
    264 define all-renderscript-files-under
    265 $(patsubst ./%,%, \
    266   $(shell cd $(LOCAL_PATH) ; \
    267           find $(1) -name "*.rs" -and -not -name ".*") \
    268   )
    269 endef
    270 
    271 ###########################################################
    272 ## Find all of the html files under the named directories.
    273 ## Meant to be used like:
    274 ##    SRC_FILES := $(call all-html-files-under,src tests)
    275 ###########################################################
    276 
    277 define all-html-files-under
    278 $(patsubst ./%,%, \
    279   $(shell cd $(LOCAL_PATH) ; \
    280           find $(1) -name "*.html" -and -not -name ".*") \
    281  )
    282 endef
    283 
    284 ###########################################################
    285 ## Find all of the html files from here.  Meant to be used like:
    286 ##    SRC_FILES := $(call all-subdir-html-files)
    287 ###########################################################
    288 
    289 define all-subdir-html-files
    290 $(call all-html-files-under,.)
    291 endef
    292 
    293 ###########################################################
    294 ## Find all of the files matching pattern
    295 ##    SRC_FILES := $(call find-subdir-files, <pattern>)
    296 ###########################################################
    297 
    298 define find-subdir-files
    299 $(patsubst ./%,%,$(shell cd $(LOCAL_PATH) ; find $(1)))
    300 endef
    301 
    302 ###########################################################
    303 # find the files in the subdirectory $1 of LOCAL_DIR
    304 # matching pattern $2, filtering out files $3
    305 # e.g.
    306 #     SRC_FILES += $(call find-subdir-subdir-files, \
    307 #                         css, *.cpp, DontWantThis.cpp)
    308 ###########################################################
    309 
    310 define find-subdir-subdir-files
    311 $(filter-out $(patsubst %,$(1)/%,$(3)),$(patsubst ./%,%,$(shell cd \
    312             $(LOCAL_PATH) ; find $(1) -maxdepth 1 -name $(2))))
    313 endef
    314 
    315 ###########################################################
    316 ## Find all of the files matching pattern
    317 ##    SRC_FILES := $(call all-subdir-java-files)
    318 ###########################################################
    319 
    320 define find-subdir-assets
    321 $(if $(1),$(patsubst ./%,%, \
    322 	$(shell if [ -d $(1) ] ; then cd $(1) ; find ./ -not -name '.*' -and -type f -and -not -type l ; fi)), \
    323 	$(warning Empty argument supplied to find-subdir-assets) \
    324 )
    325 endef
    326 
    327 ###########################################################
    328 ## Find various file types in a list of directories relative to $(LOCAL_PATH)
    329 ###########################################################
    330 
    331 define find-other-java-files
    332 	$(call find-subdir-files,$(1) -name "*.java" -and -not -name ".*")
    333 endef
    334 
    335 define find-other-html-files
    336 	$(call find-subdir-files,$(1) -name "*.html" -and -not -name ".*")
    337 endef
    338 
    339 ###########################################################
    340 ## Scan through each directory of $(1) looking for files
    341 ## that match $(2) using $(wildcard).  Useful for seeing if
    342 ## a given directory or one of its parents contains
    343 ## a particular file.  Returns the first match found,
    344 ## starting furthest from the root.
    345 ###########################################################
    346 
    347 define find-parent-file
    348 $(strip \
    349   $(eval _fpf := $(wildcard $(foreach f, $(2), $(strip $(1))/$(f)))) \
    350   $(if $(_fpf),$(_fpf), \
    351        $(if $(filter-out ./ .,$(1)), \
    352              $(call find-parent-file,$(patsubst %/,%,$(dir $(1))),$(2)) \
    353         ) \
    354    ) \
    355 )
    356 endef
    357 
    358 ###########################################################
    359 ## Function we can evaluate to introduce a dynamic dependency
    360 ###########################################################
    361 
    362 define add-dependency
    363 $(1): $(2)
    364 endef
    365 
    366 ###########################################################
    367 ## Set up the dependencies for a prebuilt target
    368 ##  $(call add-prebuilt-file, srcfile, [targetclass])
    369 ###########################################################
    370 
    371 define add-prebuilt-file
    372     $(eval $(include-prebuilt))
    373 endef
    374 
    375 define include-prebuilt
    376     include $$(CLEAR_VARS)
    377     LOCAL_SRC_FILES := $(1)
    378     LOCAL_BUILT_MODULE_STEM := $(1)
    379     LOCAL_MODULE_SUFFIX := $$(suffix $(1))
    380     LOCAL_MODULE := $$(basename $(1))
    381     LOCAL_MODULE_CLASS := $(2)
    382     include $$(BUILD_PREBUILT)
    383 endef
    384 
    385 ###########################################################
    386 ## do multiple prebuilts
    387 ##  $(call target class, files ...)
    388 ###########################################################
    389 
    390 define add-prebuilt-files
    391     $(foreach f,$(2),$(call add-prebuilt-file,$f,$(1)))
    392 endef
    393 
    394 
    395 
    396 ###########################################################
    397 ## The intermediates directory.  Where object files go for
    398 ## a given target.  We could technically get away without
    399 ## the "_intermediates" suffix on the directory, but it's
    400 ## nice to be able to grep for that string to find out if
    401 ## anyone's abusing the system.
    402 ###########################################################
    403 
    404 # $(1): target class, like "APPS"
    405 # $(2): target name, like "NotePad"
    406 # $(3): if non-empty, this is a HOST target.
    407 # $(4): if non-empty, force the intermediates to be COMMON
    408 define intermediates-dir-for
    409 $(strip \
    410     $(eval _idfClass := $(strip $(1))) \
    411     $(if $(_idfClass),, \
    412         $(error $(LOCAL_PATH): Class not defined in call to intermediates-dir-for)) \
    413     $(eval _idfName := $(strip $(2))) \
    414     $(if $(_idfName),, \
    415         $(error $(LOCAL_PATH): Name not defined in call to intermediates-dir-for)) \
    416     $(eval _idfPrefix := $(if $(strip $(3)),HOST,TARGET)) \
    417     $(if $(filter $(_idfPrefix)-$(_idfClass),$(COMMON_MODULE_CLASSES))$(4), \
    418         $(eval _idfIntBase := $($(_idfPrefix)_OUT_COMMON_INTERMEDIATES)) \
    419       , \
    420         $(eval _idfIntBase := $($(_idfPrefix)_OUT_INTERMEDIATES)) \
    421      ) \
    422     $(_idfIntBase)/$(_idfClass)/$(_idfName)_intermediates \
    423 )
    424 endef
    425 
    426 # Uses LOCAL_MODULE_CLASS, LOCAL_MODULE, and LOCAL_IS_HOST_MODULE
    427 # to determine the intermediates directory.
    428 #
    429 # $(1): if non-empty, force the intermediates to be COMMON
    430 define local-intermediates-dir
    431 $(strip \
    432     $(if $(strip $(LOCAL_MODULE_CLASS)),, \
    433         $(error $(LOCAL_PATH): LOCAL_MODULE_CLASS not defined before call to local-intermediates-dir)) \
    434     $(if $(strip $(LOCAL_MODULE)),, \
    435         $(error $(LOCAL_PATH): LOCAL_MODULE not defined before call to local-intermediates-dir)) \
    436     $(call intermediates-dir-for,$(LOCAL_MODULE_CLASS),$(LOCAL_MODULE),$(LOCAL_IS_HOST_MODULE),$(1)) \
    437 )
    438 endef
    439 
    440 ###########################################################
    441 ## Convert "path/to/libXXX.so" to "-lXXX".
    442 ## Any "path/to/libXXX.a" elements pass through unchanged.
    443 ###########################################################
    444 
    445 define normalize-libraries
    446 $(foreach so,$(filter %.so,$(1)),-l$(patsubst lib%.so,%,$(notdir $(so))))\
    447 $(filter-out %.so,$(1))
    448 endef
    449 
    450 # TODO: change users to call the common version.
    451 define normalize-host-libraries
    452 $(call normalize-libraries,$(1))
    453 endef
    454 
    455 define normalize-target-libraries
    456 $(call normalize-libraries,$(1))
    457 endef
    458 
    459 ###########################################################
    460 ## Convert a list of short module names (e.g., "framework", "Browser")
    461 ## into the list of files that are built for those modules.
    462 ## NOTE: this won't return reliable results until after all
    463 ## sub-makefiles have been included.
    464 ## $(1): target list
    465 ###########################################################
    466 
    467 define module-built-files
    468 $(foreach module,$(1),$(ALL_MODULES.$(module).BUILT))
    469 endef
    470 
    471 ###########################################################
    472 ## Convert a list of short modules names (e.g., "framework", "Browser")
    473 ## into the list of files that are installed for those modules.
    474 ## NOTE: this won't return reliable results until after all
    475 ## sub-makefiles have been included.
    476 ## $(1): target list
    477 ###########################################################
    478 
    479 define module-installed-files
    480 $(foreach module,$(1),$(ALL_MODULES.$(module).INSTALLED))
    481 endef
    482 
    483 ###########################################################
    484 ## Convert a list of short modules names (e.g., "framework", "Browser")
    485 ## into the list of files that should be used when linking
    486 ## against that module as a public API.
    487 ## TODO: Allow this for more than JAVA_LIBRARIES modules
    488 ## NOTE: this won't return reliable results until after all
    489 ## sub-makefiles have been included.
    490 ## $(1): target list
    491 ###########################################################
    492 
    493 define module-stubs-files
    494 $(foreach module,$(1),$(ALL_MODULES.$(module).STUBS))
    495 endef
    496 
    497 ###########################################################
    498 ## Evaluates to the timestamp file for a doc module, which
    499 ## is the dependency that should be used.
    500 ## $(1): doc module
    501 ###########################################################
    502 
    503 define doc-timestamp-for
    504 $(OUT_DOCS)/$(strip $(1))-timestamp
    505 endef
    506 
    507 
    508 ###########################################################
    509 ## Convert "core ext framework" to "out/.../javalib.jar ..."
    510 ## $(1): library list
    511 ## $(2): Non-empty if IS_HOST_MODULE
    512 ###########################################################
    513 
    514 # $(1): library name
    515 # $(2): Non-empty if IS_HOST_MODULE
    516 define _java-lib-dir
    517 $(call intermediates-dir-for, \
    518 	JAVA_LIBRARIES,$(1),$(2),COMMON)
    519 endef
    520 
    521 # $(1): library name
    522 # $(2): Non-empty if IS_HOST_MODULE
    523 define _java-lib-full-classes.jar
    524 $(call _java-lib-dir,$(1),$(2))/classes$(COMMON_JAVA_PACKAGE_SUFFIX)
    525 endef
    526 
    527 # $(1): library name list
    528 # $(2): Non-empty if IS_HOST_MODULE
    529 define java-lib-files
    530 $(foreach lib,$(1),$(call _java-lib-full-classes.jar,$(lib),$(2)))
    531 endef
    532 
    533 # $(1): library name
    534 # $(2): Non-empty if IS_HOST_MODULE
    535 define _java-lib-full-dep
    536 $(call _java-lib-dir,$(1),$(2))/javalib$(COMMON_JAVA_PACKAGE_SUFFIX)
    537 endef
    538 
    539 # $(1): library name list
    540 # $(2): Non-empty if IS_HOST_MODULE
    541 define java-lib-deps
    542 $(foreach lib,$(1),$(call _java-lib-full-dep,$(lib),$(2)))
    543 endef
    544 
    545 ###########################################################
    546 ## Run rot13 on a string
    547 ## $(1): the string.  Must be one line.
    548 ###########################################################
    549 define rot13
    550 $(shell echo $(1) | tr 'a-zA-Z' 'n-za-mN-ZA-M')
    551 endef
    552 
    553 
    554 ###########################################################
    555 ## Returns true if $(1) and $(2) are equal.  Returns
    556 ## the empty string if they are not equal.
    557 ###########################################################
    558 define streq
    559 $(strip $(if $(strip $(1)),\
    560   $(if $(strip $(2)),\
    561     $(if $(filter-out __,_$(subst $(strip $(1)),,$(strip $(2)))$(subst $(strip $(2)),,$(strip $(1)))_),,true), \
    562     ),\
    563   $(if $(strip $(2)),\
    564     ,\
    565     true)\
    566  ))
    567 endef
    568 
    569 ###########################################################
    570 ## Convert "a b c" into "a:b:c"
    571 ###########################################################
    572 
    573 empty :=
    574 space := $(empty) $(empty)
    575 
    576 define normalize-path-list
    577 $(subst $(space),:,$(strip $(1)))
    578 endef
    579 
    580 ###########################################################
    581 ## Read the word out of a colon-separated list of words.
    582 ## This has the same behavior as the built-in function
    583 ## $(word n,str).
    584 ##
    585 ## The individual words may not contain spaces.
    586 ##
    587 ## $(1): 1 based index
    588 ## $(2): value of the form a:b:c...
    589 ###########################################################
    590 
    591 define word-colon
    592 $(word $(1),$(subst :,$(space),$(2)))
    593 endef
    594 
    595 ###########################################################
    596 ## Convert "a=b c= d e = f" into "a=b c=d e=f"
    597 ##
    598 ## $(1): list to collapse
    599 ## $(2): if set, separator word; usually "=", ":", or ":="
    600 ##       Defaults to "=" if not set.
    601 ###########################################################
    602 
    603 define collapse-pairs
    604 $(eval _cpSEP := $(strip $(if $(2),$(2),=)))\
    605 $(subst $(space)$(_cpSEP)$(space),$(_cpSEP),$(strip \
    606     $(subst $(_cpSEP), $(_cpSEP) ,$(1))))
    607 endef
    608 
    609 ###########################################################
    610 ## Given a list of pairs, if multiple pairs have the same
    611 ## first components, keep only the first pair.
    612 ##
    613 ## $(1): list of pairs
    614 ## $(2): the separator word, such as ":", "=", etc.
    615 define uniq-pairs-by-first-component
    616 $(eval _upbfc_fc_set :=)\
    617 $(strip $(foreach w,$(1), $(eval _first := $(word 1,$(subst $(2),$(space),$(w))))\
    618     $(if $(filter $(_upbfc_fc_set),$(_first)),,$(w)\
    619         $(eval _upbfc_fc_set += $(_first)))))\
    620 $(eval _upbfc_fc_set :=)\
    621 $(eval _first:=)
    622 endef
    623 
    624 ###########################################################
    625 ## MODULE_TAG set operations
    626 ###########################################################
    627 
    628 # Given a list of tags, return the targets that specify
    629 # any of those tags.
    630 # $(1): tag list
    631 define modules-for-tag-list
    632 $(sort $(foreach tag,$(1),$(ALL_MODULE_TAGS.$(tag))))
    633 endef
    634 
    635 # Same as modules-for-tag-list, but operates on
    636 # ALL_MODULE_NAME_TAGS.
    637 # $(1): tag list
    638 define module-names-for-tag-list
    639 $(sort $(foreach tag,$(1),$(ALL_MODULE_NAME_TAGS.$(tag))))
    640 endef
    641 
    642 # Given an accept and reject list, find the matching
    643 # set of targets.  If a target has multiple tags and
    644 # any of them are rejected, the target is rejected.
    645 # Reject overrides accept.
    646 # $(1): list of tags to accept
    647 # $(2): list of tags to reject
    648 #TODO(dbort): do $(if $(strip $(1)),$(1),$(ALL_MODULE_TAGS))
    649 #TODO(jbq): as of 20100106 nobody uses the second parameter
    650 define get-tagged-modules
    651 $(filter-out \
    652 	$(call modules-for-tag-list,$(2)), \
    653 	    $(call modules-for-tag-list,$(1)))
    654 endef
    655 
    656 ###########################################################
    657 ## Append a leaf to a base path.  Properly deals with
    658 ## base paths ending in /.
    659 ##
    660 ## $(1): base path
    661 ## $(2): leaf path
    662 ###########################################################
    663 
    664 define append-path
    665 $(subst //,/,$(1)/$(2))
    666 endef
    667 
    668 
    669 ###########################################################
    670 ## Package filtering
    671 ###########################################################
    672 
    673 # Given a list of installed modules (short or long names)
    674 # return a list of the packages (yes, .apk packages, not
    675 # modules in general) that are overridden by this list and,
    676 # therefore, should not be installed.
    677 # $(1): mixed list of installed modules
    678 # TODO: This is fragile; find a reliable way to get this information.
    679 define _get-package-overrides
    680  $(eval ### Discard any words containing slashes, unless they end in .apk, \
    681         ### in which case trim off the directory component and the suffix. \
    682         ### If there are no slashes, keep the entire word.)
    683  $(eval _gpo_names := $(subst /,@@@ @@@,$(1)))
    684  $(eval _gpo_names := \
    685      $(filter %.apk,$(_gpo_names)) \
    686      $(filter-out %@@@ @@@%,$(_gpo_names)))
    687  $(eval _gpo_names := $(patsubst %.apk,%,$(_gpo_names)))
    688  $(eval _gpo_names := $(patsubst @@@%,%,$(_gpo_names)))
    689 
    690  $(eval ### Remove any remaining words that contain dots.)
    691  $(eval _gpo_names := $(subst .,@@@ @@@,$(_gpo_names)))
    692  $(eval _gpo_names := $(filter-out %@@@ @@@%,$(_gpo_names)))
    693 
    694  $(eval ### Now we have a list of any words that could possibly refer to \
    695         ### packages, although there may be words that do not.  Only \
    696         ### real packages will be present under PACKAGES.*, though.)
    697  $(foreach _gpo_name,$(_gpo_names),$(PACKAGES.$(_gpo_name).OVERRIDES))
    698 endef
    699 
    700 define get-package-overrides
    701 $(sort $(strip $(call _get-package-overrides,$(1))))
    702 endef
    703 
    704 ###########################################################
    705 ## Output the command lines, or not
    706 ###########################################################
    707 
    708 ifeq ($(strip $(SHOW_COMMANDS)),)
    709 define pretty
    710 @echo $1
    711 endef
    712 hide := @
    713 else
    714 define pretty
    715 endef
    716 hide :=
    717 endif
    718 
    719 ###########################################################
    720 ## Dump the variables that are associated with targets
    721 ###########################################################
    722 
    723 define dump-module-variables
    724 @echo all_dependencies=$^
    725 @echo PRIVATE_YACCFLAGS=$(PRIVATE_YACCFLAGS);
    726 @echo PRIVATE_CFLAGS=$(PRIVATE_CFLAGS);
    727 @echo PRIVATE_CPPFLAGS=$(PRIVATE_CPPFLAGS);
    728 @echo PRIVATE_DEBUG_CFLAGS=$(PRIVATE_DEBUG_CFLAGS);
    729 @echo PRIVATE_C_INCLUDES=$(PRIVATE_C_INCLUDES);
    730 @echo PRIVATE_LDFLAGS=$(PRIVATE_LDFLAGS);
    731 @echo PRIVATE_LDLIBS=$(PRIVATE_LDLIBS);
    732 @echo PRIVATE_ARFLAGS=$(PRIVATE_ARFLAGS);
    733 @echo PRIVATE_AAPT_FLAGS=$(PRIVATE_AAPT_FLAGS);
    734 @echo PRIVATE_DX_FLAGS=$(PRIVATE_DX_FLAGS);
    735 @echo PRIVATE_JAVACFLAGS=$(PRIVATE_JAVACFLAGS);
    736 @echo PRIVATE_JAVA_LIBRARIES=$(PRIVATE_JAVA_LIBRARIES);
    737 @echo PRIVATE_ALL_SHARED_LIBRARIES=$(PRIVATE_ALL_SHARED_LIBRARIES);
    738 @echo PRIVATE_ALL_STATIC_LIBRARIES=$(PRIVATE_ALL_STATIC_LIBRARIES);
    739 @echo PRIVATE_ALL_WHOLE_STATIC_LIBRARIES=$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES);
    740 @echo PRIVATE_ALL_OBJECTS=$(PRIVATE_ALL_OBJECTS);
    741 @echo PRIVATE_NO_CRT=$(PRIVATE_NO_CRT);
    742 endef
    743 
    744 ###########################################################
    745 ## Commands for using sed to replace given variable values
    746 ###########################################################
    747 
    748 define transform-variables
    749 @mkdir -p $(dir $@)
    750 @echo "Sed: $(if $(PRIVATE_MODULE),$(PRIVATE_MODULE),$@) <= $<"
    751 $(hide) sed $(foreach var,$(REPLACE_VARS),-e "s/{{$(var)}}/$(subst /,\/,$(PWD)/$($(var)))/g") $< >$@
    752 $(hide) if [ "$(suffix $@)" = ".sh" ]; then chmod a+rx $@; fi
    753 endef
    754 
    755 
    756 ###########################################################
    757 ## Commands for munging the dependency files GCC generates
    758 ###########################################################
    759 
    760 define transform-d-to-p
    761 $(hide) cp $(@:%.o=%.d) $(@:%.o=%.P); \
    762 	sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
    763 		-e '/^$$/ d' -e 's/$$/ :/' < $(@:%.o=%.d) >> $(@:%.o=%.P); \
    764 	rm -f $(@:%.o=%.d)
    765 endef
    766 
    767 ###########################################################
    768 ## Commands for running lex
    769 ###########################################################
    770 
    771 define transform-l-to-cpp
    772 @mkdir -p $(dir $@)
    773 @echo "Lex: $(PRIVATE_MODULE) <= $<"
    774 $(hide) $(LEX) -o$@ $<
    775 endef
    776 
    777 ###########################################################
    778 ## Commands for running yacc
    779 ##
    780 ## Because the extension of c++ files can change, the
    781 ## extension must be specified in $1.
    782 ## E.g, "$(call transform-y-to-cpp,.cpp)"
    783 ###########################################################
    784 
    785 define transform-y-to-cpp
    786 @mkdir -p $(dir $@)
    787 @echo "Yacc: $(PRIVATE_MODULE) <= $<"
    788 $(YACC) $(PRIVATE_YACCFLAGS) -o $@ $<
    789 touch $(@:$1=$(YACC_HEADER_SUFFIX))
    790 echo '#ifndef '$(@F:$1=_h) > $(@:$1=.h)
    791 echo '#define '$(@F:$1=_h) >> $(@:$1=.h)
    792 cat $(@:$1=$(YACC_HEADER_SUFFIX)) >> $(@:$1=.h)
    793 echo '#endif' >> $(@:$1=.h)
    794 rm -f $(@:$1=$(YACC_HEADER_SUFFIX))
    795 endef
    796 
    797 ###########################################################
    798 ## Commands to compile RenderScript
    799 ###########################################################
    800 
    801 define transform-renderscripts-to-java-and-bc
    802 @echo "RenderScript: $(PRIVATE_MODULE) <= $(PRIVATE_RS_SOURCE_FILES)"
    803 $(hide) rm -rf $(PRIVATE_RS_OUTPUT_DIR)
    804 $(hide) mkdir -p $(PRIVATE_RS_OUTPUT_DIR)/res/raw
    805 $(hide) mkdir -p $(PRIVATE_RS_OUTPUT_DIR)/src
    806 $(hide) $(PRIVATE_RS_CC) \
    807   -o $(PRIVATE_RS_OUTPUT_DIR)/res/raw \
    808   -p $(PRIVATE_RS_OUTPUT_DIR)/src \
    809   -d $(PRIVATE_RS_OUTPUT_DIR) \
    810   -a $@ -MD \
    811   $(addprefix -target-api , $(PRIVATE_RS_TARGET_API)) \
    812   $(PRIVATE_RS_FLAGS) \
    813   $(foreach inc,$(PRIVATE_RS_INCLUDES),$(addprefix -I , $(inc))) \
    814   $(PRIVATE_RS_SOURCE_FILES)
    815 #$(hide) $(LLVM_RS_LINK) \
    816 #  $(PRIVATE_RS_OUTPUT_DIR)/res/raw/*.bc
    817 $(hide) mkdir -p $(dir $@)
    818 $(hide) touch $@
    819 endef
    820 
    821 
    822 ###########################################################
    823 ## Commands for running aidl
    824 ###########################################################
    825 
    826 define transform-aidl-to-java
    827 @mkdir -p $(dir $@)
    828 @echo "Aidl: $(PRIVATE_MODULE) <= $<"
    829 $(hide) $(AIDL) -d$(patsubst %.java,%.P,$@) $(PRIVATE_AIDL_FLAGS) $< $@
    830 endef
    831 #$(AIDL) $(PRIVATE_AIDL_FLAGS) $< - | indent -nut -br -npcs -l1000 > $@
    832 
    833 
    834 ###########################################################
    835 ## Commands for running java-event-log-tags.py
    836 ###########################################################
    837 
    838 define transform-logtags-to-java
    839 @mkdir -p $(dir $@)
    840 @echo "logtags: $@ <= $<"
    841 $(hide) $(JAVATAGS) -o $@ $^
    842 endef
    843 
    844 
    845 ###########################################################
    846 ## Commands for running protoc to compile .proto into .java
    847 ###########################################################
    848 
    849 define transform-proto-to-java
    850 @mkdir -p $(dir $@)
    851 @echo "Protoc: $@ <= $(PRIVATE_PROTO_SRC_FILES)"
    852 @rm -rf $(PRIVATE_PROTO_JAVA_OUTPUT_DIR)
    853 @mkdir -p $(PRIVATE_PROTO_JAVA_OUTPUT_DIR)
    854 $(hide) for f in $(PRIVATE_PROTO_SRC_FILES); do \
    855         $(PROTOC) \
    856         $(addprefix --proto_path=, $(PRIVATE_PROTO_INCLUDES)) \
    857         $(PRIVATE_PROTO_JAVA_OUTPUT_OPTION)=$(PRIVATE_PROTO_JAVA_OUTPUT_DIR) \
    858         $(PRIVATE_PROTOC_FLAGS) \
    859         $$f || exit 33; \
    860         done
    861 $(hide) touch $@
    862 endef
    863 
    864 ######################################################################
    865 ## Commands for running protoc to compile .proto into .pb.cc and .pb.h
    866 ######################################################################
    867 define transform-proto-to-cc
    868 @mkdir -p $(dir $@)
    869 @echo "Protoc: $@ <= $<"
    870 $(hide) $(PROTOC) \
    871 	$(addprefix --proto_path=, $(PRIVATE_PROTO_INCLUDES)) \
    872 	$(PRIVATE_PROTOC_FLAGS) \
    873 	--cpp_out=$(PRIVATE_PROTO_CC_OUTPUT_DIR) $<
    874 endef
    875 
    876 
    877 ###########################################################
    878 ## Commands for running gcc to compile a C++ file
    879 ###########################################################
    880 
    881 define transform-cpp-to-o
    882 @mkdir -p $(dir $@)
    883 @echo "target $(PRIVATE_ARM_MODE) C++: $(PRIVATE_MODULE) <= $<"
    884 $(hide) $(PRIVATE_CXX) \
    885 	$(addprefix -I , $(PRIVATE_C_INCLUDES)) \
    886 	@$(PRIVATE_IMPORT_INCLUDES) \
    887 	$(addprefix -isystem ,\
    888 	    $(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
    889 	        $(filter-out $(PRIVATE_C_INCLUDES), \
    890 	            $(PRIVATE_TARGET_PROJECT_INCLUDES) \
    891 	            $(PRIVATE_TARGET_C_INCLUDES)))) \
    892 	-c \
    893 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
    894 	    $(PRIVATE_TARGET_GLOBAL_CFLAGS) \
    895 	    $(PRIVATE_TARGET_GLOBAL_CPPFLAGS) \
    896 	    $(PRIVATE_ARM_CFLAGS) \
    897 	 ) \
    898 	$(PRIVATE_RTTI_FLAG) \
    899 	$(PRIVATE_CFLAGS) \
    900 	$(PRIVATE_CPPFLAGS) \
    901 	$(PRIVATE_DEBUG_CFLAGS) \
    902 	-MD -MF $(patsubst %.o,%.d,$@) -o $@ $<
    903 $(transform-d-to-p)
    904 endef
    905 
    906 
    907 ###########################################################
    908 ## Commands for running gcc to compile a C file
    909 ###########################################################
    910 
    911 # $(1): extra flags
    912 define transform-c-or-s-to-o-no-deps
    913 @mkdir -p $(dir $@)
    914 $(hide) $(PRIVATE_CC) \
    915 	$(addprefix -I , $(PRIVATE_C_INCLUDES)) \
    916 	@$(PRIVATE_IMPORT_INCLUDES) \
    917 	$(addprefix -isystem ,\
    918 	    $(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
    919 	        $(filter-out $(PRIVATE_C_INCLUDES), \
    920 	            $(PRIVATE_TARGET_PROJECT_INCLUDES) \
    921 	            $(PRIVATE_TARGET_C_INCLUDES)))) \
    922 	-c \
    923 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
    924 	    $(PRIVATE_TARGET_GLOBAL_CFLAGS) \
    925 	    $(PRIVATE_ARM_CFLAGS) \
    926 	 ) \
    927 	$(PRIVATE_CFLAGS) \
    928 	$(1) \
    929 	$(PRIVATE_DEBUG_CFLAGS) \
    930 	-MD -MF $(patsubst %.o,%.d,$@) -o $@ $<
    931 endef
    932 
    933 define transform-c-to-o-no-deps
    934 @echo "target $(PRIVATE_ARM_MODE) C: $(PRIVATE_MODULE) <= $<"
    935 $(call transform-c-or-s-to-o-no-deps, )
    936 endef
    937 
    938 define transform-s-to-o-no-deps
    939 @echo "target asm: $(PRIVATE_MODULE) <= $<"
    940 $(call transform-c-or-s-to-o-no-deps, $(PRIVATE_ASFLAGS))
    941 endef
    942 
    943 define transform-c-to-o
    944 $(transform-c-to-o-no-deps)
    945 $(transform-d-to-p)
    946 endef
    947 
    948 define transform-s-to-o
    949 $(transform-s-to-o-no-deps)
    950 $(transform-d-to-p)
    951 endef
    952 
    953 ###########################################################
    954 ## Commands for running gcc to compile an Objective-C file
    955 ## This should never happen for target builds but this
    956 ## will error at build time.
    957 ###########################################################
    958 
    959 define transform-m-to-o-no-deps
    960 @echo "target ObjC: $(PRIVATE_MODULE) <= $<"
    961 $(call transform-c-or-s-to-o-no-deps)
    962 endef
    963 
    964 define transform-m-to-o
    965 $(transform-m-to-o-no-deps)
    966 $(transform-d-to-p)
    967 endef
    968 
    969 ###########################################################
    970 ## Commands for running gcc to compile a host C++ file
    971 ###########################################################
    972 
    973 define transform-host-cpp-to-o
    974 @mkdir -p $(dir $@)
    975 @echo "host C++: $(PRIVATE_MODULE) <= $<"
    976 $(hide) $(PRIVATE_CXX) \
    977 	$(addprefix -I , $(PRIVATE_C_INCLUDES)) \
    978 	@$(PRIVATE_IMPORT_INCLUDES) \
    979 	$(addprefix -isystem ,\
    980 	    $(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
    981 	        $(filter-out $(PRIVATE_C_INCLUDES), \
    982 	            $(HOST_PROJECT_INCLUDES) \
    983 	            $(HOST_C_INCLUDES)))) \
    984 	-c \
    985 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
    986 	    $(HOST_GLOBAL_CFLAGS) \
    987 	    $(HOST_GLOBAL_CPPFLAGS) \
    988 	 ) \
    989 	$(PRIVATE_CFLAGS) \
    990 	$(PRIVATE_CPPFLAGS) \
    991 	$(PRIVATE_DEBUG_CFLAGS) \
    992 	-MD -MF $(patsubst %.o,%.d,$@) -o $@ $<
    993 $(transform-d-to-p)
    994 endef
    995 
    996 
    997 ###########################################################
    998 ## Commands for running gcc to compile a host C file
    999 ###########################################################
   1000 
   1001 # $(1): extra flags
   1002 define transform-host-c-or-s-to-o-no-deps
   1003 @mkdir -p $(dir $@)
   1004 $(hide) $(PRIVATE_CC) \
   1005 	$(addprefix -I , $(PRIVATE_C_INCLUDES)) \
   1006 	@$(PRIVATE_IMPORT_INCLUDES) \
   1007 	$(addprefix -isystem ,\
   1008 	    $(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
   1009 	        $(filter-out $(PRIVATE_C_INCLUDES), \
   1010 	            $(HOST_PROJECT_INCLUDES) \
   1011 	            $(HOST_C_INCLUDES)))) \
   1012 	-c \
   1013 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
   1014 	    $(HOST_GLOBAL_CFLAGS) \
   1015 	 ) \
   1016 	$(PRIVATE_CFLAGS) \
   1017 	$(1) \
   1018 	$(PRIVATE_DEBUG_CFLAGS) \
   1019 	-MD -MF $(patsubst %.o,%.d,$@) -o $@ $<
   1020 endef
   1021 
   1022 define transform-host-c-to-o-no-deps
   1023 @echo "host C: $(PRIVATE_MODULE) <= $<"
   1024 $(call transform-host-c-or-s-to-o-no-deps, )
   1025 endef
   1026 
   1027 define transform-host-s-to-o-no-deps
   1028 @echo "host asm: $(PRIVATE_MODULE) <= $<"
   1029 $(call transform-host-c-or-s-to-o-no-deps, $(PRIVATE_ASFLAGS))
   1030 endef
   1031 
   1032 define transform-host-c-to-o
   1033 $(transform-host-c-to-o-no-deps)
   1034 $(transform-d-to-p)
   1035 endef
   1036 
   1037 define transform-host-s-to-o
   1038 $(transform-host-s-to-o-no-deps)
   1039 $(transform-d-to-p)
   1040 endef
   1041 
   1042 ###########################################################
   1043 ## Commands for running gcc to compile a host Objective-C file
   1044 ###########################################################
   1045 
   1046 define transform-host-m-to-o-no-deps
   1047 @echo "host ObjC: $(PRIVATE_MODULE) <= $<"
   1048 $(call transform-host-c-or-s-to-o-no-deps)
   1049 endef
   1050 
   1051 define transform-host-m-to-o
   1052 $(transform-host-m-to-o-no-deps)
   1053 $(transform-d-to-p)
   1054 endef
   1055 
   1056 ###########################################################
   1057 ## Commands for running ar
   1058 ###########################################################
   1059 
   1060 define _concat-if-arg2-not-empty
   1061 $(if $(2),$(hide) $(1) $(2))
   1062 endef
   1063 
   1064 # Split long argument list into smaller groups and call the command repeatedly
   1065 #
   1066 # $(1): the command without arguments
   1067 # $(2): the arguments
   1068 define split-long-arguments
   1069 $(call _concat-if-arg2-not-empty,$(1),$(wordlist 1,500,$(2)))
   1070 $(call _concat-if-arg2-not-empty,$(1),$(wordlist 501,1000,$(2)))
   1071 $(call _concat-if-arg2-not-empty,$(1),$(wordlist 1001,1500,$(2)))
   1072 $(call _concat-if-arg2-not-empty,$(1),$(wordlist 1501,2000,$(2)))
   1073 $(call _concat-if-arg2-not-empty,$(1),$(wordlist 2001,2500,$(2)))
   1074 $(call _concat-if-arg2-not-empty,$(1),$(wordlist 2501,3000,$(2)))
   1075 $(call _concat-if-arg2-not-empty,$(1),$(wordlist 3001,99999,$(2)))
   1076 endef
   1077 
   1078 # $(1): the full path of the source static library.
   1079 define _extract-and-include-single-target-whole-static-lib
   1080 @echo "preparing StaticLib: $(PRIVATE_MODULE) [including $(1)]"
   1081 $(hide) ldir=$(PRIVATE_INTERMEDIATES_DIR)/WHOLE/$(basename $(notdir $(1)))_objs;\
   1082     rm -rf $$ldir; \
   1083     mkdir -p $$ldir; \
   1084     filelist=; \
   1085     for f in `$(TARGET_AR) t $(1)`; do \
   1086         $(TARGET_AR) p $(1) $$f > $$ldir/$$f; \
   1087         filelist="$$filelist $$ldir/$$f"; \
   1088     done ; \
   1089     $(TARGET_AR) $(TARGET_GLOBAL_ARFLAGS) $(PRIVATE_ARFLAGS) $@ $$filelist
   1090 
   1091 endef
   1092 
   1093 define extract-and-include-target-whole-static-libs
   1094 $(foreach lib,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES), \
   1095     $(call _extract-and-include-single-target-whole-static-lib, $(lib)))
   1096 endef
   1097 
   1098 # Explicitly delete the archive first so that ar doesn't
   1099 # try to add to an existing archive.
   1100 define transform-o-to-static-lib
   1101 @mkdir -p $(dir $@)
   1102 @rm -f $@
   1103 $(extract-and-include-target-whole-static-libs)
   1104 @echo "target StaticLib: $(PRIVATE_MODULE) ($@)"
   1105 $(call split-long-arguments,$(TARGET_AR) $(TARGET_GLOBAL_ARFLAGS) $(PRIVATE_ARFLAGS) $@,$(filter %.o, $^))
   1106 endef
   1107 
   1108 ###########################################################
   1109 ## Commands for running host ar
   1110 ###########################################################
   1111 
   1112 # $(1): the full path of the source static library.
   1113 define _extract-and-include-single-host-whole-static-lib
   1114 @echo "preparing StaticLib: $(PRIVATE_MODULE) [including $(1)]"
   1115 $(hide) ldir=$(PRIVATE_INTERMEDIATES_DIR)/WHOLE/$(basename $(notdir $(1)))_objs;\
   1116     rm -rf $$ldir; \
   1117     mkdir -p $$ldir; \
   1118     filelist=; \
   1119     for f in `$(HOST_AR) t $(1) | \grep '\.o$$'`; do \
   1120         $(HOST_AR) p $(1) $$f > $$ldir/$$f; \
   1121         filelist="$$filelist $$ldir/$$f"; \
   1122     done ; \
   1123     $(HOST_AR) $(HOST_GLOBAL_ARFLAGS) $(PRIVATE_ARFLAGS) $@ $$filelist
   1124 
   1125 endef
   1126 
   1127 define extract-and-include-host-whole-static-libs
   1128 $(foreach lib,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES), \
   1129     $(call _extract-and-include-single-host-whole-static-lib, $(lib)))
   1130 endef
   1131 
   1132 # Explicitly delete the archive first so that ar doesn't
   1133 # try to add to an existing archive.
   1134 define transform-host-o-to-static-lib
   1135 @mkdir -p $(dir $@)
   1136 @rm -f $@
   1137 $(extract-and-include-host-whole-static-libs)
   1138 @echo "host StaticLib: $(PRIVATE_MODULE) ($@)"
   1139 $(call split-long-arguments,$(HOST_AR) $(HOST_GLOBAL_ARFLAGS) $(PRIVATE_ARFLAGS) $@,$(filter %.o, $^))
   1140 endef
   1141 
   1142 
   1143 ###########################################################
   1144 ## Commands for running gcc to link a shared library or package
   1145 ###########################################################
   1146 
   1147 # ld just seems to be so finicky with command order that we allow
   1148 # it to be overriden en-masse see combo/linux-arm.make for an example.
   1149 ifneq ($(HOST_CUSTOM_LD_COMMAND),true)
   1150 define transform-host-o-to-shared-lib-inner
   1151 $(hide) $(PRIVATE_CXX) \
   1152 	-Wl,-rpath-link=$(HOST_OUT_INTERMEDIATE_LIBRARIES) \
   1153 	-Wl,-rpath,\$$ORIGIN/../lib \
   1154 	-shared -Wl,-soname,$(notdir $@) \
   1155 	$(PRIVATE_LDFLAGS) \
   1156 	$(HOST_GLOBAL_LD_DIRS) \
   1157 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
   1158 	   $(HOST_GLOBAL_LDFLAGS) \
   1159 	) \
   1160 	$(PRIVATE_ALL_OBJECTS) \
   1161 	-Wl,--whole-archive \
   1162 	$(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
   1163 	-Wl,--no-whole-archive \
   1164 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
   1165 	$(call normalize-host-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
   1166 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
   1167 	$(call normalize-host-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
   1168 	-o $@ \
   1169 	$(PRIVATE_LDLIBS)
   1170 endef
   1171 endif
   1172 
   1173 define transform-host-o-to-shared-lib
   1174 @mkdir -p $(dir $@)
   1175 @echo "host SharedLib: $(PRIVATE_MODULE) ($@)"
   1176 $(transform-host-o-to-shared-lib-inner)
   1177 endef
   1178 
   1179 define transform-host-o-to-package
   1180 @mkdir -p $(dir $@)
   1181 @echo "host Package: $(PRIVATE_MODULE) ($@)"
   1182 $(transform-host-o-to-shared-lib-inner)
   1183 endef
   1184 
   1185 
   1186 ###########################################################
   1187 ## Commands for running gcc to link a shared library or package
   1188 ###########################################################
   1189 
   1190 #echo >$@.vers "{"; \
   1191 #echo >>$@.vers " global:"; \
   1192 #$(BUILD_SYSTEM)/filter_symbols.sh $(TARGET_NM) "  " ";" $(filter %.o,$^) | sort -u >>$@.vers; \
   1193 #echo >>$@.vers " local:"; \
   1194 #echo >>$@.vers "  *;"; \
   1195 #echo >>$@.vers "};"; \
   1196 
   1197 #	-Wl,--version-script=$@.vers \
   1198 
   1199 # ld just seems to be so finicky with command order that we allow
   1200 # it to be overriden en-masse see combo/linux-arm.make for an example.
   1201 ifneq ($(TARGET_CUSTOM_LD_COMMAND),true)
   1202 define transform-o-to-shared-lib-inner
   1203 $(hide) $(PRIVATE_CXX) \
   1204 	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
   1205 	-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
   1206 	-Wl,-rpath,\$$ORIGIN/../lib \
   1207 	-shared -Wl,-soname,$(notdir $@) \
   1208 	$(PRIVATE_LDFLAGS) \
   1209 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
   1210 	$(PRIVATE_ALL_OBJECTS) \
   1211 	-Wl,--whole-archive \
   1212 	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
   1213 	-Wl,--no-whole-archive \
   1214 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
   1215 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
   1216 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
   1217 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
   1218 	-o $@ \
   1219 	$(PRIVATE_LDLIBS)
   1220 endef
   1221 endif
   1222 
   1223 define transform-o-to-shared-lib
   1224 @mkdir -p $(dir $@)
   1225 @echo "target SharedLib: $(PRIVATE_MODULE) ($@)"
   1226 $(transform-o-to-shared-lib-inner)
   1227 endef
   1228 
   1229 define transform-o-to-package
   1230 @mkdir -p $(dir $@)
   1231 @echo "target Package: $(PRIVATE_MODULE) ($@)"
   1232 $(transform-o-to-shared-lib-inner)
   1233 endef
   1234 
   1235 
   1236 ###########################################################
   1237 ## Commands for filtering a target executable or library
   1238 ###########################################################
   1239 
   1240 define transform-to-stripped
   1241 @mkdir -p $(dir $@)
   1242 @echo "target Strip: $(PRIVATE_MODULE) ($@)"
   1243 $(hide) $(TARGET_STRIP_COMMAND)
   1244 endef
   1245 
   1246 
   1247 ###########################################################
   1248 ## Commands for running gcc to link an executable
   1249 ###########################################################
   1250 
   1251 ifneq ($(TARGET_CUSTOM_LD_COMMAND),true)
   1252 define transform-o-to-executable-inner
   1253 $(hide) $(PRIVATE_CXX) \
   1254 	$(TARGET_GLOBAL_LDFLAGS) \
   1255 	-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
   1256 	$(TARGET_GLOBAL_LD_DIRS) \
   1257 	-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
   1258 	-Wl,-rpath,\$$ORIGIN/../lib \
   1259 	$(PRIVATE_LDFLAGS) \
   1260 	$(TARGET_GLOBAL_LD_DIRS) \
   1261 	$(PRIVATE_ALL_OBJECTS) \
   1262 	-Wl,--whole-archive \
   1263 	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
   1264 	-Wl,--no-whole-archive \
   1265 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
   1266 	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
   1267 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
   1268 	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
   1269 	-o $@ \
   1270 	$(PRIVATE_LDLIBS)
   1271 endef
   1272 endif
   1273 
   1274 define transform-o-to-executable
   1275 @mkdir -p $(dir $@)
   1276 @echo "target Executable: $(PRIVATE_MODULE) ($@)"
   1277 $(transform-o-to-executable-inner)
   1278 endef
   1279 
   1280 
   1281 ###########################################################
   1282 ## Commands for running gcc to link a statically linked
   1283 ## executable.  In practice, we only use this on arm, so
   1284 ## the other platforms don't have the
   1285 ## transform-o-to-static-executable defined
   1286 ###########################################################
   1287 
   1288 ifneq ($(TARGET_CUSTOM_LD_COMMAND),true)
   1289 define transform-o-to-static-executable-inner
   1290 endef
   1291 endif
   1292 
   1293 define transform-o-to-static-executable
   1294 @mkdir -p $(dir $@)
   1295 @echo "target StaticExecutable: $(PRIVATE_MODULE) ($@)"
   1296 $(transform-o-to-static-executable-inner)
   1297 endef
   1298 
   1299 
   1300 ###########################################################
   1301 ## Commands for running gcc to link a host executable
   1302 ###########################################################
   1303 
   1304 ifneq ($(HOST_CUSTOM_LD_COMMAND),true)
   1305 define transform-host-o-to-executable-inner
   1306 $(hide) $(PRIVATE_CXX) \
   1307 	$(PRIVATE_ALL_OBJECTS) \
   1308 	-Wl,--whole-archive \
   1309 	$(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
   1310 	-Wl,--no-whole-archive \
   1311 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
   1312 	$(call normalize-host-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
   1313 	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
   1314 	$(call normalize-host-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
   1315 	-Wl,-rpath-link=$(HOST_OUT_INTERMEDIATE_LIBRARIES) \
   1316 	-Wl,-rpath,\$$ORIGIN/../lib \
   1317 	$(HOST_GLOBAL_LD_DIRS) \
   1318 	$(PRIVATE_LDFLAGS) \
   1319 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
   1320 		$(HOST_GLOBAL_LDFLAGS) \
   1321 	) \
   1322 	-o $@ \
   1323 	$(PRIVATE_LDLIBS)
   1324 endef
   1325 endif
   1326 
   1327 define transform-host-o-to-executable
   1328 @mkdir -p $(dir $@)
   1329 @echo "host Executable: $(PRIVATE_MODULE) ($@)"
   1330 $(transform-host-o-to-executable-inner)
   1331 endef
   1332 
   1333 
   1334 ###########################################################
   1335 ## Commands for running javac to make .class files
   1336 ###########################################################
   1337 
   1338 #@echo "Source intermediates dir: $(PRIVATE_SOURCE_INTERMEDIATES_DIR)"
   1339 #@echo "Source intermediates: $$(find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java')"
   1340 
   1341 # TODO: Right now we generate the asset resources twice, first as part
   1342 # of generating the Java classes, then at the end when packaging the final
   1343 # assets.  This should be changed to do one of two things: (1) Don't generate
   1344 # any resource files the first time, only create classes during that stage;
   1345 # or (2) Don't use the -c flag with the second stage, instead taking the
   1346 # resource files from the first stage as additional input.  My original intent
   1347 # was to use approach (2), but this requires a little more work in the tool.
   1348 # Maybe we should just use approach (1).
   1349 
   1350 # This rule creates the R.java and Manifest.java files, both of which
   1351 # are PRODUCT-neutral.  Don't pass PRIVATE_PRODUCT_AAPT_CONFIG to this invocation.
   1352 define create-resource-java-files
   1353 @mkdir -p $(PRIVATE_SOURCE_INTERMEDIATES_DIR)
   1354 @mkdir -p $(dir $(PRIVATE_RESOURCE_PUBLICS_OUTPUT))
   1355 $(hide) $(AAPT) package $(PRIVATE_AAPT_FLAGS) -m \
   1356     $(eval # PRIVATE_PRODUCT_AAPT_CONFIG is intentionally missing-- see comment.) \
   1357     $(addprefix -J , $(PRIVATE_SOURCE_INTERMEDIATES_DIR)) \
   1358     $(addprefix -M , $(PRIVATE_ANDROID_MANIFEST)) \
   1359     $(addprefix -P , $(PRIVATE_RESOURCE_PUBLICS_OUTPUT)) \
   1360     $(addprefix -S , $(PRIVATE_RESOURCE_DIR)) \
   1361     $(addprefix -A , $(PRIVATE_ASSET_DIR)) \
   1362     $(addprefix -I , $(PRIVATE_AAPT_INCLUDES)) \
   1363     $(addprefix -G , $(PRIVATE_PROGUARD_OPTIONS_FILE)) \
   1364     $(addprefix --min-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
   1365     $(addprefix --target-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
   1366     $(if $(filter --version-code,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-code , $(PLATFORM_SDK_VERSION))) \
   1367     $(if $(filter --version-name,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-name , $(PLATFORM_VERSION)-$(BUILD_NUMBER))) \
   1368     $(addprefix --rename-manifest-package , $(PRIVATE_MANIFEST_PACKAGE_NAME)) \
   1369     $(addprefix --rename-instrumentation-target-package , $(PRIVATE_MANIFEST_INSTRUMENTATION_FOR))
   1370 endef
   1371 
   1372 ifeq ($(HOST_OS),windows)
   1373 xlint_unchecked :=
   1374 else
   1375 xlint_unchecked := -Xlint:unchecked
   1376 endif
   1377 
   1378 ifeq (true, $(ENABLE_INCREMENTALJAVAC))
   1379 incremental_dex := --incremental
   1380 else
   1381 incremental_dex :=
   1382 endif
   1383 
   1384 # emit-line, <word list>, <output file>
   1385 define emit-line
   1386    $(if $(1),echo -n '$(strip $(1)) ' >> $(2))
   1387 endef
   1388 
   1389 # dump-words-to-file, <word list>, <output file>
   1390 define dump-words-to-file
   1391         @rm -f $(2)
   1392         @$(call emit-line,$(wordlist 1,200,$(1)),$(2))
   1393         @$(call emit-line,$(wordlist 201,400,$(1)),$(2))
   1394         @$(call emit-line,$(wordlist 401,600,$(1)),$(2))
   1395         @$(call emit-line,$(wordlist 601,800,$(1)),$(2))
   1396         @$(call emit-line,$(wordlist 801,1000,$(1)),$(2))
   1397         @$(call emit-line,$(wordlist 1001,1200,$(1)),$(2))
   1398         @$(call emit-line,$(wordlist 1201,1400,$(1)),$(2))
   1399         @$(call emit-line,$(wordlist 1401,1600,$(1)),$(2))
   1400         @$(call emit-line,$(wordlist 1601,1800,$(1)),$(2))
   1401         @$(call emit-line,$(wordlist 1801,2000,$(1)),$(2))
   1402         @$(call emit-line,$(wordlist 2001,2200,$(1)),$(2))
   1403         @$(call emit-line,$(wordlist 2201,2400,$(1)),$(2))
   1404         @$(call emit-line,$(wordlist 2401,2600,$(1)),$(2))
   1405         @$(call emit-line,$(wordlist 2601,2800,$(1)),$(2))
   1406         @$(call emit-line,$(wordlist 2801,3000,$(1)),$(2))
   1407         @$(call emit-line,$(wordlist 3001,3200,$(1)),$(2))
   1408         @$(call emit-line,$(wordlist 3201,3400,$(1)),$(2))
   1409         @$(call emit-line,$(wordlist 3401,3600,$(1)),$(2))
   1410         @$(call emit-line,$(wordlist 3601,3800,$(1)),$(2))
   1411         @$(call emit-line,$(wordlist 3801,4000,$(1)),$(2))
   1412         @$(call emit-line,$(wordlist 4001,4200,$(1)),$(2))
   1413         @$(call emit-line,$(wordlist 4201,4400,$(1)),$(2))
   1414         @$(call emit-line,$(wordlist 4401,4600,$(1)),$(2))
   1415         @$(call emit-line,$(wordlist 4601,4800,$(1)),$(2))
   1416         @$(call emit-line,$(wordlist 4801,5000,$(1)),$(2))
   1417         @$(if $(wordlist 5001,5002,$(1)),$(error Too many words ($(words $(1)))))
   1418 endef
   1419 
   1420 # For a list of jar files, unzip them to a specified directory,
   1421 # but make sure that no META-INF files come along for the ride.
   1422 #
   1423 # $(1): files to unzip
   1424 # $(2): destination directory
   1425 define unzip-jar-files
   1426   $(hide) for f in $(1); \
   1427   do \
   1428     if [ ! -f $$f ]; then \
   1429       echo Missing file $$f; \
   1430       exit 1; \
   1431     fi; \
   1432     unzip -qo $$f -d $(2); \
   1433     (cd $(2) && rm -rf META-INF); \
   1434   done
   1435 endef
   1436 
   1437 # Common definition to invoke javac on the host and target.
   1438 #
   1439 # Some historical notes:
   1440 # - below we write the list of java files to java-source-list to avoid argument
   1441 #   list length problems with Cygwin
   1442 # - we filter out duplicate java file names because eclipse's compiler
   1443 #   doesn't like them.
   1444 #
   1445 # $(1): javac
   1446 # $(2): bootclasspath
   1447 define compile-java
   1448 $(hide) rm -f $@
   1449 $(hide) rm -rf $(PRIVATE_CLASS_INTERMEDIATES_DIR)
   1450 $(hide) mkdir -p $(dir $@)
   1451 $(hide) mkdir -p $(PRIVATE_CLASS_INTERMEDIATES_DIR)
   1452 $(call unzip-jar-files,$(PRIVATE_STATIC_JAVA_LIBRARIES),$(PRIVATE_CLASS_INTERMEDIATES_DIR))
   1453 $(call dump-words-to-file,$(PRIVATE_JAVA_SOURCES),$(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list)
   1454 $(hide) if [ -d "$(PRIVATE_SOURCE_INTERMEDIATES_DIR)" ]; then \
   1455 	    find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java' >> $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list; \
   1456 fi
   1457 $(hide) tr ' ' '\n' < $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list \
   1458     | sort -u > $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
   1459 $(hide) if [ -s $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq ] ; then \
   1460     $(1) -encoding UTF-8 \
   1461     $(strip $(PRIVATE_JAVAC_DEBUG_FLAGS)) \
   1462     $(if $(findstring true,$(LOCAL_WARNINGS_ENABLE)),$(xlint_unchecked),) \
   1463     $(2) \
   1464     $(addprefix -classpath ,$(strip \
   1465         $(call normalize-path-list,$(PRIVATE_ALL_JAVA_LIBRARIES)))) \
   1466     $(if $(findstring true,$(LOCAL_WARNINGS_ENABLE)),$(xlint_unchecked),) \
   1467     -extdirs "" -d $(PRIVATE_CLASS_INTERMEDIATES_DIR) \
   1468     $(PRIVATE_JAVACFLAGS) \
   1469     \@$(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq \
   1470     || ( rm -rf $(PRIVATE_CLASS_INTERMEDIATES_DIR) ; exit 41 ) \
   1471 fi
   1472 $(hide) rm -f $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list
   1473 $(hide) rm -f $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
   1474 $(if $(PRIVATE_JAR_EXCLUDE_FILES), $(hide) find $(PRIVATE_CLASS_INTERMEDIATES_DIR) \
   1475     -name $(word 1, $(PRIVATE_JAR_EXCLUDE_FILES)) \
   1476     $(addprefix -o -name , $(wordlist 2, 999, $(PRIVATE_JAR_EXCLUDE_FILES))) \
   1477     | xargs rm -rf)
   1478 $(hide) jar $(if $(strip $(PRIVATE_JAR_MANIFEST)),-cfm,-cf) \
   1479     $@ $(PRIVATE_JAR_MANIFEST) -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) .
   1480 endef
   1481 
   1482 define transform-java-to-classes.jar
   1483 @echo "target Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
   1484 $(call compile-java,$(TARGET_JAVAC),$(PRIVATE_BOOTCLASSPATH))
   1485 $(hide) rm -rf $(PRIVATE_CLASS_INTERMEDIATES_DIR)
   1486 endef
   1487 
   1488 # Override the above definitions if we want to do incremetal javac
   1489 ifeq (true, $(ENABLE_INCREMENTALJAVAC))
   1490 define compile-java
   1491 $(hide) mkdir -p $(dir $@)
   1492 $(hide) mkdir -p $(PRIVATE_CLASS_INTERMEDIATES_DIR)
   1493 $(hide) touch $(PRIVATE_CLASS_INTERMEDIATES_DIR)/newstamp
   1494 $(call unzip-jar-files,$(PRIVATE_STATIC_JAVA_LIBRARIES),$(PRIVATE_CLASS_INTERMEDIATES_DIR))
   1495 $(hide) if [ -e $(PRIVATE_CLASS_INTERMEDIATES_DIR)/stamp ] ; then \
   1496         newerFlag=$$(echo -n "-newer $(PRIVATE_CLASS_INTERMEDIATES_DIR)/stamp") ; \
   1497     fi ; \
   1498     find $(PRIVATE_JAVA_SOURCES) $$newerFlag > $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list ; \
   1499     if [ -d "$(PRIVATE_SOURCE_INTERMEDIATES_DIR)" ]; then \
   1500         find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java' $$newerFlag >> $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list; \
   1501     fi
   1502 $(hide) tr ' ' '\n' < $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list \
   1503     | sort -u > $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
   1504 @echo "(Incremental) build source files:"
   1505 @cat $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
   1506 $(hide) if [ -s $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq ] ; then \
   1507     $(1) -encoding UTF-8 \
   1508     $(strip $(PRIVATE_JAVAC_DEBUG_FLAGS)) \
   1509     $(if $(findstring true,$(LOCAL_WARNINGS_ENABLE)),$(xlint_unchecked),) \
   1510     $(2) \
   1511     $(addprefix -classpath ,$(strip \
   1512         $(call normalize-path-list,$(PRIVATE_ALL_JAVA_LIBRARIES) $(PRIVATE_CLASS_INTERMEDIATES_DIR)))) \
   1513     $(if $(findstring true,$(LOCAL_WARNINGS_ENABLE)),$(xlint_unchecked),) \
   1514     -extdirs "" -d $(PRIVATE_CLASS_INTERMEDIATES_DIR) \
   1515     $(PRIVATE_JAVACFLAGS) \
   1516     \@$(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq \
   1517     || ( exit 41 ) \
   1518 fi
   1519 $(hide) rm -f $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list
   1520 $(hide) rm -f $(PRIVATE_CLASS_INTERMEDIATES_DIR)/java-source-list-uniq
   1521 $(hide) rm -f $@
   1522 $(if $(PRIVATE_JAR_EXCLUDE_FILES), $(hide) find $(PRIVATE_CLASS_INTERMEDIATES_DIR) \
   1523     -name $(word 1, $(PRIVATE_JAR_EXCLUDE_FILES)) \
   1524     $(addprefix -o -name , $(wordlist 2, 999, $(PRIVATE_JAR_EXCLUDE_FILES))) \
   1525     | xargs rm -rf)
   1526 $(hide) jar $(if $(strip $(PRIVATE_JAR_MANIFEST)),-cfm,-cf) \
   1527     $@ $(PRIVATE_JAR_MANIFEST) -C $(PRIVATE_CLASS_INTERMEDIATES_DIR) .
   1528 $(hide) mv $(PRIVATE_CLASS_INTERMEDIATES_DIR)/newstamp $(PRIVATE_CLASS_INTERMEDIATES_DIR)/stamp
   1529 endef
   1530 
   1531 define transform-java-to-classes.jar
   1532 @echo "target Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
   1533 $(call compile-java,$(TARGET_JAVAC),$(PRIVATE_BOOTCLASSPATH))
   1534 endef
   1535 endif # ENABLE_INCREMENTALJAVAC
   1536 
   1537 define transform-classes.jar-to-emma
   1538 $(hide) java -classpath $(EMMA_JAR) emma instr -outmode fullcopy -outfile \
   1539     $(PRIVATE_EMMA_COVERAGE_FILE) -ip $< -d $(PRIVATE_EMMA_INTERMEDIATES_DIR) \
   1540     $(addprefix -ix , $(PRIVATE_EMMA_COVERAGE_FILTER))
   1541 endef
   1542 
   1543 #TODO: use a smaller -Xmx value for most libraries;
   1544 #      only core.jar and framework.jar need a heap this big.
   1545 # Avoid the memory arguments on Windows, dx fails to load for some reason with them.
   1546 define transform-classes.jar-to-dex
   1547 @echo "target Dex: $(PRIVATE_MODULE)"
   1548 @mkdir -p $(dir $@)
   1549 $(hide) $(DX) \
   1550     $(if $(findstring windows,$(HOST_OS)),,-JXms16M -JXmx2048M) \
   1551     --dex --output=$@ \
   1552     $(incremental_dex) \
   1553     $(if $(NO_OPTIMIZE_DX), \
   1554         --no-optimize) \
   1555     $(if $(GENERATE_DEX_DEBUG), \
   1556 	    --debug --verbose \
   1557 	    --dump-to=$(@:.dex=.lst) \
   1558 	    --dump-width=1000) \
   1559     $(PRIVATE_DX_FLAGS) \
   1560     $<
   1561 endef
   1562 
   1563 # Create a mostly-empty .jar file that we'll add to later.
   1564 # The MacOS jar tool doesn't like creating empty jar files,
   1565 # so we need to give it something.
   1566 define create-empty-package
   1567 @mkdir -p $(dir $@)
   1568 $(hide) touch $(dir $@)/dummy
   1569 $(hide) (cd $(dir $@) && jar cf $(notdir $@) dummy)
   1570 $(hide) zip -qd $@ dummy
   1571 $(hide) rm $(dir $@)/dummy
   1572 endef
   1573 
   1574 #TODO: we kinda want to build different asset packages for
   1575 #      different configurations, then combine them later (or something).
   1576 #      Per-locale, etc.
   1577 #      A list of dynamic and static parameters;  build layers for
   1578 #      dynamic params that lay over the static ones.
   1579 #TODO: update the manifest to point to the package file
   1580 #Note that the version numbers are given to aapt as simple default
   1581 #values; applications can override these by explicitly stating
   1582 #them in their manifest.
   1583 define add-assets-to-package
   1584 $(hide) $(AAPT) package -u $(PRIVATE_AAPT_FLAGS) \
   1585     $(addprefix -c , $(PRIVATE_PRODUCT_AAPT_CONFIG)) \
   1586     $(addprefix --preferred-configurations , $(PRIVATE_PRODUCT_AAPT_PREF_CONFIG)) \
   1587     $(addprefix -M , $(PRIVATE_ANDROID_MANIFEST)) \
   1588     $(addprefix -S , $(PRIVATE_RESOURCE_DIR)) \
   1589     $(addprefix -A , $(PRIVATE_ASSET_DIR)) \
   1590     $(addprefix -I , $(PRIVATE_AAPT_INCLUDES)) \
   1591     $(addprefix --min-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
   1592     $(addprefix --target-sdk-version , $(PRIVATE_DEFAULT_APP_TARGET_SDK)) \
   1593     $(addprefix --product , $(TARGET_AAPT_CHARACTERISTICS)) \
   1594     $(if $(filter --version-code,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-code , $(PLATFORM_SDK_VERSION))) \
   1595     $(if $(filter --version-name,$(PRIVATE_AAPT_FLAGS)),,$(addprefix --version-name , $(PLATFORM_VERSION)-$(BUILD_NUMBER))) \
   1596     $(addprefix --rename-manifest-package , $(PRIVATE_MANIFEST_PACKAGE_NAME)) \
   1597     $(addprefix --rename-instrumentation-target-package , $(PRIVATE_MANIFEST_INSTRUMENTATION_FOR)) \
   1598     -F $@
   1599 endef
   1600 
   1601 define add-jni-shared-libs-to-package
   1602 $(hide) rm -rf $(dir $@)lib
   1603 $(hide) mkdir -p $(dir $@)lib/$(PRIVATE_JNI_SHARED_LIBRARIES_ABI)
   1604 $(hide) cp $(PRIVATE_JNI_SHARED_LIBRARIES) $(dir $@)lib/$(PRIVATE_JNI_SHARED_LIBRARIES_ABI)
   1605 $(hide) (cd $(dir $@) && zip -r $(notdir $@) lib)
   1606 $(hide) rm -rf $(dir $@)lib
   1607 endef
   1608 
   1609 #TODO: update the manifest to point to the dex file
   1610 define add-dex-to-package
   1611 $(if $(filter classes.dex,$(notdir $(PRIVATE_DEX_FILE))),\
   1612 $(hide) $(AAPT) add -k $@ $(PRIVATE_DEX_FILE),\
   1613 $(hide) _adtp_classes_dex=$(dir $(PRIVATE_DEX_FILE))classes.dex; \
   1614 cp $(PRIVATE_DEX_FILE) $$_adtp_classes_dex && \
   1615 $(AAPT) add -k $@ $$_adtp_classes_dex && rm -f $$_adtp_classes_dex)
   1616 endef
   1617 
   1618 define add-java-resources-to-package
   1619 $(call dump-words-to-file, $(PRIVATE_EXTRA_JAR_ARGS), $(dir $@)jar-arg-list)
   1620 $(hide) jar uf $@ @$(dir $@)jar-arg-list
   1621 @rm -f $(dir $@)jar-arg-list
   1622 endef
   1623 
   1624 # Sign a package using the specified key/cert.
   1625 #
   1626 define sign-package
   1627 $(hide) mv $@ $@.unsigned
   1628 $(hide) java -jar $(SIGNAPK_JAR) \
   1629 	$(PRIVATE_CERTIFICATE) $(PRIVATE_PRIVATE_KEY) $@.unsigned $@.signed
   1630 $(hide) mv $@.signed $@
   1631 endef
   1632 
   1633 # Align STORED entries of a package on 4-byte boundaries
   1634 # to make them easier to mmap.
   1635 #
   1636 define align-package
   1637 $(hide) mv $@ $@.unaligned
   1638 $(hide) $(ZIPALIGN) -f 4 $@.unaligned $@.aligned
   1639 $(hide) mv $@.aligned $@
   1640 endef
   1641 
   1642 define install-dex-debug
   1643 $(hide) if [ -f "$(PRIVATE_INTERMEDIATES_DIR)/classes.dex" ]; then \
   1644 	    mkdir -p $(TOP)/dalvik/DEBUG-FILES; \
   1645 	    $(ACP) $(PRIVATE_INTERMEDIATES_DIR)/classes.dex \
   1646 		$(TOP)/dalvik/DEBUG-FILES/$(PRIVATE_MODULE).dex; \
   1647 	fi
   1648 $(hide) if [ -f "$(PRIVATE_INTERMEDIATES_DIR)/classes.lst" ]; then \
   1649 	    mkdir -p $(TOP)/dalvik/DEBUG-FILES; \
   1650 	    $(ACP) $(PRIVATE_INTERMEDIATES_DIR)/classes.lst \
   1651 		$(TOP)/dalvik/DEBUG-FILES/$(PRIVATE_MODULE).lst; \
   1652 	fi
   1653 endef
   1654 
   1655 # TODO(joeo): If we can ever upgrade to post 3.81 make and get the
   1656 # new prebuilt rules to work, we should change this to copy the
   1657 # resources to the out directory and then copy the resources.
   1658 
   1659 # Note: we intentionally don't clean PRIVATE_CLASS_INTERMEDIATES_DIR
   1660 # in transform-java-to-classes for the sake of vm-tests.
   1661 define transform-host-java-to-package
   1662 @echo "host Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
   1663 $(call compile-java,$(HOST_JAVAC),$(PRIVATE_BOOTCLASSPATH))
   1664 $(if $(PRIVATE_EXTRA_JAR_ARGS), $(call add-java-resources-to-package))
   1665 endef
   1666 
   1667 ###########################################################
   1668 ## Obfuscate a jar file
   1669 ###########################################################
   1670 
   1671 # PRIVATE_KEEP_FILE is a file containing a list of classes
   1672 # PRIVATE_INTERMEDIATES_DIR is a directory we can use for temporary files
   1673 # The module using this must depend on
   1674 #        $(HOST_OUT_JAVA_LIBRARIES)/proguard-4.0.1.jar
   1675 define obfuscate-jar
   1676 @echo "Obfuscate jar: $(notdir $@) ($@)"
   1677 @mkdir -p $(dir $@)
   1678 @rm -f $@
   1679 @mkdir -p $(PRIVATE_INTERMEDIATES_DIR)
   1680 $(hide) sed -e 's/^/-keep class /' < $(PRIVATE_KEEP_FILE) > \
   1681 		$(PRIVATE_INTERMEDIATES_DIR)/keep.pro
   1682 $(hide) java -Xmx512M -jar $(HOST_OUT_JAVA_LIBRARIES)/proguard-4.0.1.jar \
   1683 		-injars $< \
   1684 		-outjars $@ \
   1685 		-target 1.5 \
   1686 		-dontnote -dontwarn \
   1687 		-printmapping $(PRIVATE_INTERMEDIATES_DIR)/out.map \
   1688 		-forceprocessing \
   1689 		-renamesourcefileattribute SourceFile \
   1690 		-keepattributes Exceptions,InnerClasses,Signature,Deprecated,SourceFile,LineNumberTable,*Annotation*,EnclosingMethod \
   1691 		-repackageclasses \
   1692 		-keepclassmembers "class * { public protected *; }" \
   1693 		@$(PRIVATE_INTERMEDIATES_DIR)/keep.pro
   1694 endef
   1695 
   1696 ###########################################################
   1697 ## Commands for copying files
   1698 ###########################################################
   1699 
   1700 # Define a rule to copy a header.  Used via $(eval) by copy_headers.make.
   1701 # $(1): source header
   1702 # $(2): destination header
   1703 define copy-one-header
   1704 $(2): $(1)
   1705 	@echo "Header: $$@"
   1706 	$$(copy-file-to-new-target-with-cp)
   1707 endef
   1708 
   1709 # Define a rule to copy a file.  For use via $(eval).
   1710 # $(1): source file
   1711 # $(2): destination file
   1712 define copy-one-file
   1713 $(2): $(1) | $(ACP)
   1714 	@echo "Copy: $$@"
   1715 	$$(copy-file-to-target)
   1716 endef
   1717 
   1718 # Copy the file only if it's a well-formed xml file. For use via $(eval).
   1719 # $(1): source file
   1720 # $(2): destination file, must end with .xml.
   1721 define copy-xml-file-checked
   1722 $(2): $(1) | $(ACP)
   1723 	@echo "Copy xml: $$@"
   1724 	$(hide) xmllint $$< >/dev/null  # Don't print the xml file to stdout.
   1725 	$$(copy-file-to-target)
   1726 endef
   1727 
   1728 # The -t option to acp and the -p option to cp is
   1729 # required for OSX.  OSX has a ridiculous restriction
   1730 # where it's an error for a .a file's modification time
   1731 # to disagree with an internal timestamp, and this
   1732 # macro is used to install .a files (among other things).
   1733 
   1734 # Copy a single file from one place to another,
   1735 # preserving permissions and overwriting any existing
   1736 # file.
   1737 # We disable the "-t" option for acp can not handle
   1738 # high resolution timestamp correctly on file systems like ext4.
   1739 # Therefore copy-file-to-target is the same as copy-file-to-new-target.
   1740 define copy-file-to-target
   1741 @mkdir -p $(dir $@)
   1742 $(hide) $(ACP) -fp $< $@
   1743 endef
   1744 
   1745 # The same as copy-file-to-target, but use the local
   1746 # cp command instead of acp.
   1747 define copy-file-to-target-with-cp
   1748 @mkdir -p $(dir $@)
   1749 $(hide) cp -fp $< $@
   1750 endef
   1751 
   1752 # The same as copy-file-to-target, but use the zipalign tool to do so.
   1753 define copy-file-to-target-with-zipalign
   1754 @mkdir -p $(dir $@)
   1755 $(hide) $(ZIPALIGN) -f 4 $< $@
   1756 endef
   1757 
   1758 # The same as copy-file-to-target, but strip out "# comment"-style
   1759 # comments (for config files and such).
   1760 define copy-file-to-target-strip-comments
   1761 @mkdir -p $(dir $@)
   1762 $(hide) sed -e 's/#.*$$//' -e 's/[ \t]*$$//' -e '/^$$/d' < $< > $@
   1763 endef
   1764 
   1765 # The same as copy-file-to-target, but don't preserve
   1766 # the old modification time.
   1767 define copy-file-to-new-target
   1768 @mkdir -p $(dir $@)
   1769 $(hide) $(ACP) -fp $< $@
   1770 endef
   1771 
   1772 # The same as copy-file-to-new-target, but use the local
   1773 # cp command instead of acp.
   1774 define copy-file-to-new-target-with-cp
   1775 @mkdir -p $(dir $@)
   1776 $(hide) cp -f $< $@
   1777 endef
   1778 
   1779 # Copy a prebuilt file to a target location.
   1780 define transform-prebuilt-to-target
   1781 @echo "$(if $(PRIVATE_IS_HOST_MODULE),host,target) Prebuilt: $(PRIVATE_MODULE) ($@)"
   1782 $(copy-file-to-target)
   1783 endef
   1784 
   1785 # Copy a prebuilt file to a target location, using zipalign on it.
   1786 define transform-prebuilt-to-target-with-zipalign
   1787 @echo "$(if $(PRIVATE_IS_HOST_MODULE),host,target) Prebuilt APK: $(PRIVATE_MODULE) ($@)"
   1788 $(copy-file-to-target-with-zipalign)
   1789 endef
   1790 
   1791 # Copy a prebuilt file to a target location, stripping "# comment" comments.
   1792 define transform-prebuilt-to-target-strip-comments
   1793 @echo "$(if $(PRIVATE_IS_HOST_MODULE),host,target) Prebuilt: $(PRIVATE_MODULE) ($@)"
   1794 $(copy-file-to-target-strip-comments)
   1795 endef
   1796 
   1797 ###########################################################
   1798 ## On some platforms (MacOS), after copying a static
   1799 ## library, ranlib must be run to update an internal
   1800 ## timestamp!?!?!
   1801 ###########################################################
   1802 
   1803 ifeq ($(HOST_RUN_RANLIB_AFTER_COPYING),true)
   1804 define transform-host-ranlib-copy-hack
   1805     $(hide) ranlib $@ || true
   1806 endef
   1807 else
   1808 define transform-host-ranlib-copy-hack
   1809 @true
   1810 endef
   1811 endif
   1812 
   1813 ifeq ($(TARGET_RUN_RANLIB_AFTER_COPYING),true)
   1814 define transform-ranlib-copy-hack
   1815     $(hide) ranlib $@
   1816 endef
   1817 else
   1818 define transform-ranlib-copy-hack
   1819 @true
   1820 endef
   1821 endif
   1822 
   1823 
   1824 ###########################################################
   1825 ## Commands to call Proguard
   1826 ###########################################################
   1827 
   1828 # Command to copy the file with acp, if proguard is disabled.
   1829 define proguard-disabled-commands
   1830 @echo Copying: $@
   1831 $(hide) $(ACP) -fp $< $@
   1832 endef
   1833 
   1834 # Command to call Proguard
   1835 # $(1): extra flags for instrumentation.
   1836 define proguard-enabled-commands
   1837 @echo Proguard: $@
   1838 $(hide) $(PROGUARD) -injars $< -outjars $@ $(PRIVATE_PROGUARD_FLAGS) $(1)
   1839 endef
   1840 
   1841 # Figure out the proguard dictionary file of the module that is instrumentationed for.
   1842 define get-instrumentation-proguard-flags
   1843 $(if $(PRIVATE_INSTRUMENTATION_FOR),$(if $(ALL_MODULES.$(PRIVATE_INSTRUMENTATION_FOR).PROGUARD_ENABLED),-applymapping $(call intermediates-dir-for,APPS,$(PRIVATE_INSTRUMENTATION_FOR),,COMMON)/proguard_dictionary))
   1844 endef
   1845 
   1846 define transform-jar-to-proguard
   1847 $(eval _instrumentation_proguard_flags:=$(call get-instrumentation-proguard-flags))
   1848 $(eval _enable_proguard:=$(PRIVATE_PROGUARD_ENABLED)$(_instrumentation_proguard_flags))
   1849 $(if $(_enable_proguard),$(call proguard-enabled-commands,$(_instrumentation_proguard_flags)),$(call proguard-disabled-commands))
   1850 $(eval _instrumentation_proguard_flags:=)
   1851 $(eval _enable_proguard:=)
   1852 endef
   1853 
   1854 
   1855 ###########################################################
   1856 ## Stuff source generated from one-off tools
   1857 ###########################################################
   1858 
   1859 define transform-generated-source
   1860 @echo "target Generated: $(PRIVATE_MODULE) <= $<"
   1861 @mkdir -p $(dir $@)
   1862 $(hide) $(PRIVATE_CUSTOM_TOOL)
   1863 endef
   1864 
   1865 
   1866 ###########################################################
   1867 ## Assertions about attributes of the target
   1868 ###########################################################
   1869 
   1870 # $(1): The file to check
   1871 ifndef get-file-size
   1872 $(error HOST_OS must define get-file-size)
   1873 endif
   1874 
   1875 # Convert a partition data size (eg, as reported in /proc/mtd) to the
   1876 # size of the image used to flash that partition (which includes a
   1877 # spare area for each page).
   1878 # $(1): the partition data size
   1879 define image-size-from-data-size
   1880 $(strip $(eval _isfds_value := $$(shell echo $$$$(($(1) / $(BOARD_NAND_PAGE_SIZE) * \
   1881   ($(BOARD_NAND_PAGE_SIZE)+$(BOARD_NAND_SPARE_SIZE))))))\
   1882 $(if $(filter 0, $(_isfds_value)),$(shell echo $$(($(BOARD_NAND_PAGE_SIZE)+$(BOARD_NAND_SPARE_SIZE)))),$(_isfds_value))\
   1883 $(eval _isfds_value :=))
   1884 endef
   1885 
   1886 # $(1): The file(s) to check (often $@)
   1887 # $(2): The maximum total image size, in decimal bytes
   1888 # $(3): the type of filesystem "yaffs" or "raw"
   1889 #
   1890 # If $(2) is empty, evaluates to "true"
   1891 #
   1892 # Reserve bad blocks.  Make sure that MAX(1% of partition size, 2 blocks)
   1893 # is left over after the image has been flashed.  Round the 1% up to the
   1894 # next whole flash block size.
   1895 define assert-max-file-size
   1896 $(if $(2), \
   1897   size=$$(for i in $(1); do $(call get-file-size,$$i); echo +; done; echo 0); \
   1898   total=$$(( $$( echo "$$size" ) )); \
   1899   printname=$$(echo -n "$(1)" | tr " " +); \
   1900   img_blocksize=$(call image-size-from-data-size,$(BOARD_FLASH_BLOCK_SIZE)); \
   1901   if [ "$(3)" == "yaffs" ]; then \
   1902     reservedblocks=8; \
   1903   else \
   1904     reservedblocks=0; \
   1905   fi; \
   1906   twoblocks=$$((img_blocksize * 2)); \
   1907   onepct=$$((((($(2) / 100) - 1) / img_blocksize + 1) * img_blocksize)); \
   1908   reserve=$$(((twoblocks > onepct ? twoblocks : onepct) + \
   1909                reservedblocks * img_blocksize)); \
   1910   maxsize=$$(($(2) - reserve)); \
   1911   echo "$$printname maxsize=$$maxsize blocksize=$$img_blocksize total=$$total reserve=$$reserve"; \
   1912   if [ "$$total" -gt "$$maxsize" ]; then \
   1913     echo "error: $$printname too large ($$total > [$(2) - $$reserve])"; \
   1914     false; \
   1915   elif [ "$$total" -gt $$((maxsize - 32768)) ]; then \
   1916     echo "WARNING: $$printname approaching size limit ($$total now; limit $$maxsize)"; \
   1917   fi \
   1918  , \
   1919   true \
   1920  )
   1921 endef
   1922 
   1923 # Like assert-max-file-size, but the second argument is a partition
   1924 # size, which we'll convert to a max image size before checking it
   1925 # against the files.
   1926 #
   1927 # $(1): The file(s) to check (often $@)
   1928 # $(2): The partition size.
   1929 define assert-max-image-size
   1930 $(if $(2), \
   1931   $(call assert-max-file-size,$(1),$(call image-size-from-data-size,$(2))), \
   1932   true)
   1933 endef
   1934 
   1935 
   1936 ###########################################################
   1937 ## Define device-specific radio files
   1938 ###########################################################
   1939 
   1940 # Copy a radio image file to the output location, and add it to
   1941 # INSTALLED_RADIOIMAGE_TARGET.
   1942 # $(1): filename
   1943 define add-radio-file
   1944   $(eval $(call add-radio-file-internal,$(1),$(notdir $(1))))
   1945 endef
   1946 define add-radio-file-internal
   1947 INSTALLED_RADIOIMAGE_TARGET += $$(PRODUCT_OUT)/$(2)
   1948 $$(PRODUCT_OUT)/$(2) : $$(LOCAL_PATH)/$(1) | $$(ACP)
   1949 	$$(transform-prebuilt-to-target)
   1950 endef
   1951 
   1952 # Version of add-radio-file that also arranges for the version of the
   1953 # file to be checked against the contents of
   1954 # $(TARGET_BOARD_INFO_FILE).
   1955 # $(1): filename
   1956 # $(2): name of version variable in board-info (eg, "version-baseband")
   1957 define add-radio-file-checked
   1958   $(eval $(call add-radio-file-checked-internal,$(1),$(notdir $(1)),$(2)))
   1959 endef
   1960 define add-radio-file-checked-internal
   1961 INSTALLED_RADIOIMAGE_TARGET += $$(PRODUCT_OUT)/$(2)
   1962 BOARD_INFO_CHECK += $(3):$(LOCAL_PATH)/$(1)
   1963 $$(PRODUCT_OUT)/$(2) : $$(LOCAL_PATH)/$(1) | $$(ACP)
   1964 	$$(transform-prebuilt-to-target)
   1965 endef
   1966 
   1967 
   1968 ###########################################################
   1969 # Override the package defined in $(1), setting the
   1970 # variables listed below differently.
   1971 #
   1972 #  $(1): The makefile to override (relative to the source
   1973 #        tree root)
   1974 #  $(2): Old LOCAL_PACKAGE_NAME value.
   1975 #  $(3): New LOCAL_PACKAGE_NAME value.
   1976 #  $(4): New LOCAL_MANIFEST_PACKAGE_NAME value.
   1977 #  $(5): New LOCAL_CERTIFICATE value.
   1978 #  $(6): New LOCAL_INSTRUMENTATION_FOR value.
   1979 #  $(7): New LOCAL_MANIFEST_INSTRUMENTATION_FOR value.
   1980 #
   1981 # Note that LOCAL_PACKAGE_OVERRIDES is NOT cleared in
   1982 # clear_vars.mk.
   1983 ###########################################################
   1984 define inherit-package
   1985   $(eval $(call inherit-package-internal,$(1),$(2),$(3),$(4),$(5),$(6),$(7)))
   1986 endef
   1987 
   1988 define inherit-package-internal
   1989   LOCAL_PACKAGE_OVERRIDES \
   1990       := $(strip $(1))||$(strip $(2))||$(strip $(3))||$(strip $(4))||&&$(strip $(5))||&&$(strip $(6))||&&$(strip $(7)) $(LOCAL_PACKAGE_OVERRIDES)
   1991   include $(1)
   1992   LOCAL_PACKAGE_OVERRIDES \
   1993       := $(wordlist 1,$(words $(LOCAL_PACKAGE_OVERRIDES)), $(LOCAL_PACKAGE_OVERRIDES))
   1994 endef
   1995 
   1996 # To be used with inherit-package above
   1997 # Evalutes to true if the package was overridden
   1998 define set-inherited-package-variables
   1999 $(strip $(call set-inherited-package-variables-internal))
   2000 endef
   2001 
   2002 define keep-or-override
   2003 $(eval $(1) := $(if $(2),$(2),$($(1))))
   2004 endef
   2005 
   2006 define set-inherited-package-variables-internal
   2007   $(eval _o := $(subst ||, ,$(lastword $(LOCAL_PACKAGE_OVERRIDES))))
   2008   $(eval _n := $(subst ||, ,$(firstword $(LOCAL_PACKAGE_OVERRIDES))))
   2009   $(if $(filter $(word 2,$(_n)),$(LOCAL_PACKAGE_NAME)), \
   2010     $(eval LOCAL_PACKAGE_NAME := $(word 3,$(_o))) \
   2011     $(eval LOCAL_MANIFEST_PACKAGE_NAME := $(word 4,$(_o))) \
   2012     $(call keep-or-override,LOCAL_CERTIFICATE,$(patsubst &&%,%,$(word 5,$(_o)))) \
   2013     $(call keep-or-override,LOCAL_INSTRUMENTATION_FOR,$(patsubst &&%,%,$(word 6,$(_o)))) \
   2014     $(call keep-or-override,LOCAL_MANIFEST_INSTRUMENTATION_FOR,$(patsubst &&%,%,$(word 7,$(_o)))) \
   2015     $(eval LOCAL_OVERRIDES_PACKAGES := $(sort $(LOCAL_OVERRIDES_PACKAGES) $(word 2,$(_o)))) \
   2016     true \
   2017   ,)
   2018 endef
   2019 
   2020 ###########################################################
   2021 ## Expand a module name list with REQUIRED modules
   2022 ###########################################################
   2023 # $(1): The variable name that holds the initial module name list.
   2024 #       the variable will be modified to hold the expanded results.
   2025 # $(2): The initial module name list.
   2026 # Returns empty string (maybe with some whitespaces).
   2027 define expand-required-modules
   2028 $(eval _erm_new_modules := $(sort $(filter-out $($(1)),\
   2029   $(foreach m,$(2),$(ALL_MODULES.$(m).REQUIRED)))))\
   2030 $(if $(_erm_new_modules),$(eval $(1) += $(_erm_new_modules))\
   2031   $(call expand-required-modules,$(1),$(_erm_new_modules)))
   2032 endef
   2033 
   2034 ###########################################################
   2035 ## Other includes
   2036 ###########################################################
   2037 
   2038 # -----------------------------------------------------------------
   2039 # Rules and functions to help copy important files to DIST_DIR
   2040 # when requested.
   2041 include $(BUILD_SYSTEM)/distdir.mk
   2042 
   2043 # -----------------------------------------------------------------
   2044 # The modules allowed to use a user tag
   2045 include $(BUILD_SYSTEM)/user_tags.mk
   2046 
   2047 # broken:
   2048 #	$(foreach file,$^,$(if $(findstring,.a,$(suffix $file)),-l$(file),$(file)))
   2049 
   2050 ###########################################################
   2051 ## Misc notes
   2052 ###########################################################
   2053 
   2054 #DEPDIR = .deps
   2055 #df = $(DEPDIR)/$(*F)
   2056 
   2057 #SRCS = foo.c bar.c ...
   2058 
   2059 #%.o : %.c
   2060 #	@$(MAKEDEPEND); \
   2061 #	  cp $(df).d $(df).P; \
   2062 #	  sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
   2063 #	      -e '/^$$/ d' -e 's/$$/ :/' < $(df).d >> $(df).P; \
   2064 #	  rm -f $(df).d
   2065 #	$(COMPILE.c) -o $@ $<
   2066 
   2067 #-include $(SRCS:%.c=$(DEPDIR)/%.P)
   2068 
   2069 
   2070 #%.o : %.c
   2071 #	$(COMPILE.c) -MD -o $@ $<
   2072 #	@cp $*.d $*.P; \
   2073 #	  sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
   2074 #	      -e '/^$$/ d' -e 's/$$/ :/' < $*.d >> $*.P; \
   2075 #	  rm -f $*.d
   2076