1 #
   2 # Copyright (c) 2011, 2012, 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 ################################################################
  27 #
  28 # Check that GNU make and cygwin are recent enough.
  29 # Setup common utility functions.
  30 #
  31 ################################################################
  32 
  33 ifndef _MAKEBASE_GMK
  34 _MAKEBASE_GMK := 1
  35 
  36 # If the variable that you want to send to stdout for piping into a file or otherwise,
  37 # is potentially long, for example the a list of file paths, eg a list of all package directories.
  38 # Then you need to use ListPathsSafely, which optimistically splits the output into several shell
  39 # calls as well as use compression on recurrent file paths segments, to get around the potential
  40 # command line length problem that exists in cygwin and other shells.
  41 compress_pre:=$(strip $(shell $(CAT) $(SRC_ROOT)/common/makefiles/support/ListPathsSafely-pre-compress.incl))
  42 compress_post:=$(strip $(shell $(CAT) $(SRC_ROOT)/common/makefiles/support/ListPathsSafely-post-compress.incl))
  43 compress_paths=$(compress_pre)\
  44 $(subst $(SRC_ROOT),X97,\
  45 $(subst $(OUTPUT_ROOT),X98,\
  46 $(subst X,X00,\
  47 $(subst $(SPACE),\n,$(strip $1)))))\
  48 $(compress_post)
  49 
  50 decompress_paths=$(SED) -f $(SRC_ROOT)/common/makefiles/support/ListPathsSafely-uncompress.sed -e 's|X99|\\n|g' \
  51                      -e 's|X98|$(OUTPUT_ROOT)|g' -e 's|X97|$(SRC_ROOT)|g' \
  52                      -e 's|X00|X|g' | tr '\n' '$2'
  53 
  54 # Subst in an extra $ to prevent it from disappearing.
  55 define ListPathsSafely_If
  56     $(if $(word $3,$($1)),$(eval $1_LPS$3:=$(call compress_paths,$(subst $$,$$$$,$(wordlist $3,$4,$($1))))))
  57 endef
  58 
  59 define ListPathsSafely_Printf
  60     $(if $(strip $($1_LPS$4)),printf -- "$(strip $($1_LPS$4))\n" | $(decompress_paths) $3)
  61 endef
  62 
  63 # Receipt example:
  64 #    rm -f thepaths
  65 #    $(call ListPathsSafely,THEPATHS,\n, >> thepaths)
  66 #    The \n argument means translate spaces into \n
  67 #    if instead , , (a space) is supplied, then spaces remain spaces.
  68 define ListPathsSafely
  69     $(if $(word 16001,$($1)),$(error Cannot list safely more than 16000 paths. $1 has $(words $($1)) paths!))
  70     $(call ListPathsSafely_If,$1,$2,1,250)
  71     $(call ListPathsSafely_If,$1,$2,251,500)
  72     $(call ListPathsSafely_If,$1,$2,501,750)
  73     $(call ListPathsSafely_If,$1,$2,751,1000)
  74 
  75     $(call ListPathsSafely_If,$1,$2,1001,1250)
  76     $(call ListPathsSafely_If,$1,$2,1251,1500)
  77     $(call ListPathsSafely_If,$1,$2,1501,1750)
  78     $(call ListPathsSafely_If,$1,$2,1751,2000)
  79 
  80     $(call ListPathsSafely_If,$1,$2,2001,2250)
  81     $(call ListPathsSafely_If,$1,$2,2251,2500)
  82     $(call ListPathsSafely_If,$1,$2,2501,2750)
  83     $(call ListPathsSafely_If,$1,$2,2751,3000)
  84 
  85     $(call ListPathsSafely_If,$1,$2,3001,3250)
  86     $(call ListPathsSafely_If,$1,$2,3251,3500)
  87     $(call ListPathsSafely_If,$1,$2,3501,3750)
  88     $(call ListPathsSafely_If,$1,$2,3751,4000)
  89 
  90     $(call ListPathsSafely_If,$1,$2,4001,4250)
  91     $(call ListPathsSafely_If,$1,$2,4251,4500)
  92     $(call ListPathsSafely_If,$1,$2,4501,4750)
  93     $(call ListPathsSafely_If,$1,$2,4751,5000)
  94 
  95     $(call ListPathsSafely_If,$1,$2,5001,5250)
  96     $(call ListPathsSafely_If,$1,$2,5251,5500)
  97     $(call ListPathsSafely_If,$1,$2,5501,5750)
  98     $(call ListPathsSafely_If,$1,$2,5751,6000)
  99 
 100     $(call ListPathsSafely_If,$1,$2,6001,6250)
 101     $(call ListPathsSafely_If,$1,$2,6251,6500)
 102     $(call ListPathsSafely_If,$1,$2,6501,6750)
 103     $(call ListPathsSafely_If,$1,$2,6751,7000)
 104 
 105     $(call ListPathsSafely_If,$1,$2,7001,7250)
 106     $(call ListPathsSafely_If,$1,$2,7251,7500)
 107     $(call ListPathsSafely_If,$1,$2,7501,7750)
 108     $(call ListPathsSafely_If,$1,$2,7751,8000)
 109 
 110     $(call ListPathsSafely_If,$1,$2,8001,8250)
 111     $(call ListPathsSafely_If,$1,$2,8251,8500)
 112     $(call ListPathsSafely_If,$1,$2,8501,8750)
 113     $(call ListPathsSafely_If,$1,$2,8751,9000)
 114 
 115     $(call ListPathsSafely_If,$1,$2,9001,9250)
 116     $(call ListPathsSafely_If,$1,$2,9251,9500)
 117     $(call ListPathsSafely_If,$1,$2,9501,9750)
 118     $(call ListPathsSafely_If,$1,$2,9751,10000)
 119 
 120     $(call ListPathsSafely_If,$1,$2,10001,10250)
 121     $(call ListPathsSafely_If,$1,$2,10251,10500)
 122     $(call ListPathsSafely_If,$1,$2,10501,10750)
 123     $(call ListPathsSafely_If,$1,$2,10751,11000)
 124 
 125     $(call ListPathsSafely_If,$1,$2,11001,11250)
 126     $(call ListPathsSafely_If,$1,$2,11251,11500)
 127     $(call ListPathsSafely_If,$1,$2,11501,11750)
 128     $(call ListPathsSafely_If,$1,$2,11751,12000)
 129 
 130     $(call ListPathsSafely_If,$1,$2,12001,12250)
 131     $(call ListPathsSafely_If,$1,$2,12251,12500)
 132     $(call ListPathsSafely_If,$1,$2,12501,12750)
 133     $(call ListPathsSafely_If,$1,$2,12751,13000)
 134 
 135     $(call ListPathsSafely_If,$1,$2,13001,13250)
 136     $(call ListPathsSafely_If,$1,$2,13251,13500)
 137     $(call ListPathsSafely_If,$1,$2,13501,13750)
 138     $(call ListPathsSafely_If,$1,$2,13751,14000)
 139 
 140     $(call ListPathsSafely_If,$1,$2,14001,14250)
 141     $(call ListPathsSafely_If,$1,$2,14251,14500)
 142     $(call ListPathsSafely_If,$1,$2,14501,14750)
 143     $(call ListPathsSafely_If,$1,$2,14751,15000)
 144 
 145     $(call ListPathsSafely_If,$1,$2,15001,15250)
 146     $(call ListPathsSafely_If,$1,$2,15251,15500)
 147     $(call ListPathsSafely_If,$1,$2,15501,15750)
 148     $(call ListPathsSafely_If,$1,$2,15751,16000)
 149 
 150     $(call ListPathsSafely_Printf,$1,$2,$3,1)
 151     $(call ListPathsSafely_Printf,$1,$2,$3,251)
 152     $(call ListPathsSafely_Printf,$1,$2,$3,501)
 153     $(call ListPathsSafely_Printf,$1,$2,$3,751)
 154 
 155     $(call ListPathsSafely_Printf,$1,$2,$3,1001)
 156     $(call ListPathsSafely_Printf,$1,$2,$3,1251)
 157     $(call ListPathsSafely_Printf,$1,$2,$3,1501)
 158     $(call ListPathsSafely_Printf,$1,$2,$3,1751)
 159 
 160     $(call ListPathsSafely_Printf,$1,$2,$3,2001)
 161     $(call ListPathsSafely_Printf,$1,$2,$3,2251)
 162     $(call ListPathsSafely_Printf,$1,$2,$3,2501)
 163     $(call ListPathsSafely_Printf,$1,$2,$3,2751)
 164 
 165     $(call ListPathsSafely_Printf,$1,$2,$3,3001)
 166     $(call ListPathsSafely_Printf,$1,$2,$3,3251)
 167     $(call ListPathsSafely_Printf,$1,$2,$3,3501)
 168     $(call ListPathsSafely_Printf,$1,$2,$3,3751)
 169 
 170     $(call ListPathsSafely_Printf,$1,$2,$3,4001)
 171     $(call ListPathsSafely_Printf,$1,$2,$3,4251)
 172     $(call ListPathsSafely_Printf,$1,$2,$3,4501)
 173     $(call ListPathsSafely_Printf,$1,$2,$3,4751)
 174 
 175     $(call ListPathsSafely_Printf,$1,$2,$3,5001)
 176     $(call ListPathsSafely_Printf,$1,$2,$3,5251)
 177     $(call ListPathsSafely_Printf,$1,$2,$3,5501)
 178     $(call ListPathsSafely_Printf,$1,$2,$3,5751)
 179 
 180     $(call ListPathsSafely_Printf,$1,$2,$3,6001)
 181     $(call ListPathsSafely_Printf,$1,$2,$3,6251)
 182     $(call ListPathsSafely_Printf,$1,$2,$3,6501)
 183     $(call ListPathsSafely_Printf,$1,$2,$3,6751)
 184 
 185     $(call ListPathsSafely_Printf,$1,$2,$3,7001)
 186     $(call ListPathsSafely_Printf,$1,$2,$3,7251)
 187     $(call ListPathsSafely_Printf,$1,$2,$3,7501)
 188     $(call ListPathsSafely_Printf,$1,$2,$3,7751)
 189 
 190     $(call ListPathsSafely_Printf,$1,$2,$3,8001)
 191     $(call ListPathsSafely_Printf,$1,$2,$3,8251)
 192     $(call ListPathsSafely_Printf,$1,$2,$3,8501)
 193     $(call ListPathsSafely_Printf,$1,$2,$3,8751)
 194 
 195     $(call ListPathsSafely_Printf,$1,$2,$3,9001)
 196     $(call ListPathsSafely_Printf,$1,$2,$3,9251)
 197     $(call ListPathsSafely_Printf,$1,$2,$3,9501)
 198     $(call ListPathsSafely_Printf,$1,$2,$3,9751)
 199 
 200     $(call ListPathsSafely_Printf,$1,$2,$3,10001)
 201     $(call ListPathsSafely_Printf,$1,$2,$3,10251)
 202     $(call ListPathsSafely_Printf,$1,$2,$3,10501)
 203     $(call ListPathsSafely_Printf,$1,$2,$3,10751)
 204 
 205     $(call ListPathsSafely_Printf,$1,$2,$3,11001)
 206     $(call ListPathsSafely_Printf,$1,$2,$3,11251)
 207     $(call ListPathsSafely_Printf,$1,$2,$3,11501)
 208     $(call ListPathsSafely_Printf,$1,$2,$3,11751)
 209 
 210     $(call ListPathsSafely_Printf,$1,$2,$3,12001)
 211     $(call ListPathsSafely_Printf,$1,$2,$3,12251)
 212     $(call ListPathsSafely_Printf,$1,$2,$3,12501)
 213     $(call ListPathsSafely_Printf,$1,$2,$3,12751)
 214 
 215     $(call ListPathsSafely_Printf,$1,$2,$3,13001)
 216     $(call ListPathsSafely_Printf,$1,$2,$3,13251)
 217     $(call ListPathsSafely_Printf,$1,$2,$3,13501)
 218     $(call ListPathsSafely_Printf,$1,$2,$3,13751)
 219 
 220     $(call ListPathsSafely_Printf,$1,$2,$3,14001)
 221     $(call ListPathsSafely_Printf,$1,$2,$3,14251)
 222     $(call ListPathsSafely_Printf,$1,$2,$3,14501)
 223     $(call ListPathsSafely_Printf,$1,$2,$3,14751)
 224 
 225     $(call ListPathsSafely_Printf,$1,$2,$3,15001)
 226     $(call ListPathsSafely_Printf,$1,$2,$3,15251)
 227     $(call ListPathsSafely_Printf,$1,$2,$3,15501)
 228     $(call ListPathsSafely_Printf,$1,$2,$3,15751)
 229 endef
 230 
 231 define ListPathsSafelyNow_IfPrintf
 232     ifneq (,$$(word $4,$$($1)))
 233         $$(eval $1_LPS$4:=$$(call compress_paths,$$(wordlist $4,$5,$$($1))))
 234         $$(shell printf -- "$$(strip $$($1_LPS$4))\n" | $(decompress_paths) $3)
 235     endif
 236 endef
 237 
 238 # And an non-receipt version:
 239 define ListPathsSafelyNow
 240     ifneq (,$$(word 10001,$$($1)))
 241         $$(error Cannot list safely more than 10000 paths. $1 has $$(words $$($1)) paths!)
 242     endif
 243     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1,250)
 244     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,251,500)
 245     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,501,750)
 246     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,751,1000)
 247 
 248     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1001,1250)
 249     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1251,1500)
 250     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1501,1750)
 251     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1751,2000)
 252 
 253     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2001,2250)
 254     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2251,2500)
 255     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2501,2750)
 256     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2751,3000)
 257 
 258     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3001,3250)
 259     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3251,3500)
 260     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3501,3750)
 261     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3751,4000)
 262 
 263     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4001,4250)
 264     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4251,4500)
 265     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4501,4750)
 266     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4751,5000)
 267 
 268     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5001,5250)
 269     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5251,5500)
 270     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5501,5750)
 271     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5751,6000)
 272 
 273     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6001,6250)
 274     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6251,6500)
 275     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6501,6750)
 276     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6751,7000)
 277 
 278     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7001,7250)
 279     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7251,7500)
 280     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7501,7750)
 281     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7751,8000)
 282 
 283     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8001,8250)
 284     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8251,8500)
 285     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8501,8750)
 286     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8751,9000)
 287 
 288     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9001,9250)
 289     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9251,9500)
 290     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9501,9750)
 291     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9751,10000)
 292 
 293 endef
 294 
 295 # The source tips can come from the Mercurial repository, or in the files
 296 #   $(HGTIP_FILENAME) which contains the tip but is also positioned in the same
 297 #   directory as the original $(HGDIR) directory.
 298 #   These should not be := assignments, only used from the root Makefile.
 299 HG_VERSION = $(shell $(HG) version 2> /dev/null)
 300 HG_DIRECTORY=.hg
 301 HGTIP_FILENAME=.hgtip
 302 HG_SEARCH = ./REPO ./*/REPO ./*/*/REPO ./*/*/*/REPO
 303 REPO_LIST = $(patsubst ./%,%,$(patsubst %/,%,$(sort $(dir \
 304     $(shell $(CD) $(SRC_ROOT) ; ( $(LS) -d $(HG_SEARCH:%/REPO=%/$(HG_DIRECTORY)) ; \
 305                                    $(LS)    $(HG_SEARCH:%/REPO=%/$(HGTIP_FILENAME)) ) \
 306                 2> /dev/null)))))
 307 
 308 # Emit the repo:tip pairs to $@
 309 define GetSourceTips
 310 $(CD) $(SRC_ROOT) ; \
 311 for i in $(REPO_LIST) IGNORE ; do \
 312   if [ "$${i}" = "IGNORE" ] ; then \
 313     continue; \
 314   elif [ -d $${i}/$(HG_DIRECTORY) -a "$(HG_VERSION)" != "" ] ; then \
 315     $(PRINTF) " %s:%s" \
 316       "$${i}" `$(HG) tip --repository $${i} --template '{node|short}\n'` ; \
 317   elif [ -f $${i}/$(HGTIP_FILENAME) ] ; then \
 318     $(PRINTF) " %s:%s" \
 319       "$${i}" `$(CAT) $${i}/$(HGTIP_FILENAME)` ; \
 320   fi; \
 321 done >> $@
 322 $(PRINTF) "\n" >> $@
 323 endef
 324 
 325 # Create the HGTIP_FILENAME file. Called from jdk/make/closed/bundles.gmk
 326 define CreateHgTip
 327 $(HG) tip --repository $1 --template '{node|short}\n' > $1/$(HGTIP_FILENAME);\
 328 $(ECHO) $1/$(HGTIP_FILENAME)
 329 endef
 330 
 331 define SetupLogging
 332     ifeq ($$(LOG), trace)
 333         # Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
 334         # For each target executed, will print
 335         # Building <TARGET> (from <FIRST PREREQUISITE>) (<ALL NEWER PREREQUISITES> newer)
 336         # but with a limit of 20 on <ALL NEWER PREREQUISITES>, to avoid cluttering logs too much (and causing a crash on Cygwin).
 337         OLD_SHELL:=$$(SHELL)
 338         WRAPPER_SHELL:=$$(OLD_SHELL) $$(SRC_ROOT)/common/bin/shell-tracer.sh $$(if $$(TIME),$$(TIME),-) $$(OUTPUT_ROOT)/build-trace-time.log $$(OLD_SHELL)
 339         SHELL=$$(warning $$(if $$@,Building $$@,Running shell command) $$(if $$<, (from $$<))$$(if $$?, ($$(wordlist 1, 20, $$?) $$(if $$(wordlist 21, 22, $$?), ... [in total $$(words $$?) files]) newer)))$$(WRAPPER_SHELL)
 340     endif
 341     # Never remove warning messages; this is just for completeness
 342     LOG_WARN= 
 343     ifneq ($$(findstring $$(LOG),info debug trace),)
 344         LOG_INFO=
 345     else
 346         LOG_INFO=> /dev/null
 347     endif
 348     ifneq ($$(findstring $$(LOG),debug trace),)
 349         LOG_DEBUG=
 350     else
 351         LOG_DEBUG=> /dev/null
 352     endif
 353     ifneq ($$(findstring $$(LOG),trace),)
 354         LOG_TRACE=
 355     else
 356         LOG_TRACE=> /dev/null
 357     endif
 358 endef
 359 
 360 # Make sure logging is setup for everyone that includes MakeBase.gmk.
 361 $(eval $(call SetupLogging))
 362 
 363 # This is to be called by all SetupFoo macros
 364 define LogSetupMacroEntry
 365     $(if $(26),$(error Internal makefile error: Too many arguments to LogSetupMacroEntry, please update MakeBase.gmk))
 366     $(if $(findstring $(LOG),debug trace), $(info $1 $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25,$(if $($i),$(NEWLINE) $(strip [$i] $($i))))))
 367 endef
 368 
 369 # Make directory without forking mkdir if not needed
 370 define MakeDir
 371     ifneq ($$(wildcard $1 $2 $3 $4 $5 $6 $7 $8 $9),$$(strip $1 $2 $3 $4 $5 $6 $7 $8 $9))
 372         $$(shell $(MKDIR) -p $1 $2 $3 $4 $5 $6 $7 $8 $9)
 373     endif
 374 endef
 375 
 376 ifeq ($(OPENJDK_TARGET_OS),solaris)
 377 # On Solaris, if the target is a symlink and exists, cp won't overwrite.
 378 define install-file
 379         $(MKDIR) -p $(@D)
 380         $(RM) '$@'
 381         $(CP) -f -r -P '$<' '$(@D)'
 382 endef
 383 else ifeq ($(OPENJDK_TARGET_OS),macosx)
 384 define install-file
 385         $(MKDIR) -p $(@D)
 386         $(CP) -fpRP '$<' '$@'
 387 endef
 388 else
 389 define install-file
 390         $(MKDIR) -p $(@D)
 391         $(CP) -fP '$<' '$@'
 392 endef
 393 endif
 394 
 395 # Convenience functions for working around make's limitations with $(filter ).
 396 containing = $(foreach v,$2,$(if $(findstring $1,$v),$v))
 397 not-containing = $(foreach v,$2,$(if $(findstring $1,$v),,$v))
 398 
 399 ################################################################################
 400 # In Cygwin, finds are very costly, both because of expensive forks and because
 401 # of bad file system caching. Find is used extensively in $(shell) commands to
 402 # find source files. This makes rerunning make with no or few changes rather 
 403 # expensive. To speed this up, these two macros are used to cache the results
 404 # of simple find commands for reuse.
 405 # 
 406 # Runs a find and stores both the directories where it was run and the results.
 407 # This macro can be called multiple times to add to the cache. Only finds files
 408 # with no filters.
 409 #
 410 # Needs to be called with $(eval )
 411 # 
 412 # Param 1 - Dir to find in
 413 ifeq ($(OPENJDK_BUILD_OS),windows)
 414 define FillCacheFind
 415     FIND_CACHE_DIR += $1
 416     FIND_CACHE := $$(sort $$(FIND_CACHE) $$(shell $(FIND) $1 -type f -o -type l))
 417 endef
 418 else
 419 define FillCacheFind
 420 endef
 421 endif
 422 
 423 # Mimics find by looking in the cache if all of the directories have been cached.
 424 # Otherwise reverts to shell find. This is safe to call on all platforms, even if
 425 # cache is deactivated.
 426 #
 427 # The extra - is needed when FIND_CACHE_DIR is empty but should be harmless.
 428 # Param 1 - Dirs to find in
 429 define CacheFind
 430     $(if $(filter-out $(addsuffix %,- $(FIND_CACHE_DIR)),$1),\
 431         $(shell $(FIND) $1 -type f -o -type l),\
 432         $(filter $(addsuffix %,$1),$(FIND_CACHE)))
 433 endef
 434 
 435 ################################################################################
 436 
 437 endif # _MAKEBASE_GMK