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) $(SRC_ROOT)/make/common/support/ListPathsSafely-pre-compress.incl))
  42 compress_post:=$(strip $(shell $(CAT) $(SRC_ROOT)/make/common/support/ListPathsSafely-post-compress.incl))
  43 compress_paths=$(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 $(SRC_ROOT)/make/common/support/ListPathsSafely-uncompress.sed -e 's|X99|\\n|g' \
  51     -e 's|X98|$(OUTPUT_ROOT)|g' -e 's|X97|$(SRC_ROOT)|g' \
  52     -e 's|X00|X|g' | tr '\n' '$2'
  53 
  54 define ListPathsSafely_If
  55         $(if $(word $3,$($1)),$(eval $1_LPS$3:=$(call compress_paths,$(wordlist $3,$4,$($1)))))
  56 endef
  57 
  58 define ListPathsSafely_Printf
  59         $(if $(strip $($1_LPS$4)),$(if $(findstring $(LOG_LEVEL),trace),,@)printf \
  60             -- "$(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         $(ECHO) $(LOG_DEBUG) Writing $(words $($1)) paths to '$3'
  71         $(call ListPathsSafely_If,$1,$2,1,250)
  72         $(call ListPathsSafely_If,$1,$2,251,500)
  73         $(call ListPathsSafely_If,$1,$2,501,750)
  74         $(call ListPathsSafely_If,$1,$2,751,1000)
  75 
  76         $(call ListPathsSafely_If,$1,$2,1001,1250)
  77         $(call ListPathsSafely_If,$1,$2,1251,1500)
  78         $(call ListPathsSafely_If,$1,$2,1501,1750)
  79         $(call ListPathsSafely_If,$1,$2,1751,2000)
  80 
  81         $(call ListPathsSafely_If,$1,$2,2001,2250)
  82         $(call ListPathsSafely_If,$1,$2,2251,2500)
  83         $(call ListPathsSafely_If,$1,$2,2501,2750)
  84         $(call ListPathsSafely_If,$1,$2,2751,3000)
  85 
  86         $(call ListPathsSafely_If,$1,$2,3001,3250)
  87         $(call ListPathsSafely_If,$1,$2,3251,3500)
  88         $(call ListPathsSafely_If,$1,$2,3501,3750)
  89         $(call ListPathsSafely_If,$1,$2,3751,4000)
  90 
  91         $(call ListPathsSafely_If,$1,$2,4001,4250)
  92         $(call ListPathsSafely_If,$1,$2,4251,4500)
  93         $(call ListPathsSafely_If,$1,$2,4501,4750)
  94         $(call ListPathsSafely_If,$1,$2,4751,5000)
  95 
  96         $(call ListPathsSafely_If,$1,$2,5001,5250)
  97         $(call ListPathsSafely_If,$1,$2,5251,5500)
  98         $(call ListPathsSafely_If,$1,$2,5501,5750)
  99         $(call ListPathsSafely_If,$1,$2,5751,6000)
 100 
 101         $(call ListPathsSafely_If,$1,$2,6001,6250)
 102         $(call ListPathsSafely_If,$1,$2,6251,6500)
 103         $(call ListPathsSafely_If,$1,$2,6501,6750)
 104         $(call ListPathsSafely_If,$1,$2,6751,7000)
 105 
 106         $(call ListPathsSafely_If,$1,$2,7001,7250)
 107         $(call ListPathsSafely_If,$1,$2,7251,7500)
 108         $(call ListPathsSafely_If,$1,$2,7501,7750)
 109         $(call ListPathsSafely_If,$1,$2,7751,8000)
 110 
 111         $(call ListPathsSafely_If,$1,$2,8001,8250)
 112         $(call ListPathsSafely_If,$1,$2,8251,8500)
 113         $(call ListPathsSafely_If,$1,$2,8501,8750)
 114         $(call ListPathsSafely_If,$1,$2,8751,9000)
 115 
 116         $(call ListPathsSafely_If,$1,$2,9001,9250)
 117         $(call ListPathsSafely_If,$1,$2,9251,9500)
 118         $(call ListPathsSafely_If,$1,$2,9501,9750)
 119         $(call ListPathsSafely_If,$1,$2,9751,10000)
 120 
 121         $(call ListPathsSafely_If,$1,$2,10001,10250)
 122         $(call ListPathsSafely_If,$1,$2,10251,10500)
 123         $(call ListPathsSafely_If,$1,$2,10501,10750)
 124         $(call ListPathsSafely_If,$1,$2,10751,11000)
 125 
 126         $(call ListPathsSafely_If,$1,$2,11001,11250)
 127         $(call ListPathsSafely_If,$1,$2,11251,11500)
 128         $(call ListPathsSafely_If,$1,$2,11501,11750)
 129         $(call ListPathsSafely_If,$1,$2,11751,12000)
 130 
 131         $(call ListPathsSafely_If,$1,$2,12001,12250)
 132         $(call ListPathsSafely_If,$1,$2,12251,12500)
 133         $(call ListPathsSafely_If,$1,$2,12501,12750)
 134         $(call ListPathsSafely_If,$1,$2,12751,13000)
 135 
 136         $(call ListPathsSafely_If,$1,$2,13001,13250)
 137         $(call ListPathsSafely_If,$1,$2,13251,13500)
 138         $(call ListPathsSafely_If,$1,$2,13501,13750)
 139         $(call ListPathsSafely_If,$1,$2,13751,14000)
 140 
 141         $(call ListPathsSafely_If,$1,$2,14001,14250)
 142         $(call ListPathsSafely_If,$1,$2,14251,14500)
 143         $(call ListPathsSafely_If,$1,$2,14501,14750)
 144         $(call ListPathsSafely_If,$1,$2,14751,15000)
 145 
 146         $(call ListPathsSafely_If,$1,$2,15001,15250)
 147         $(call ListPathsSafely_If,$1,$2,15251,15500)
 148         $(call ListPathsSafely_If,$1,$2,15501,15750)
 149         $(call ListPathsSafely_If,$1,$2,15751,16000)
 150 
 151         $(call ListPathsSafely_Printf,$1,$2,$3,1)
 152         $(call ListPathsSafely_Printf,$1,$2,$3,251)
 153         $(call ListPathsSafely_Printf,$1,$2,$3,501)
 154         $(call ListPathsSafely_Printf,$1,$2,$3,751)
 155 
 156         $(call ListPathsSafely_Printf,$1,$2,$3,1001)
 157         $(call ListPathsSafely_Printf,$1,$2,$3,1251)
 158         $(call ListPathsSafely_Printf,$1,$2,$3,1501)
 159         $(call ListPathsSafely_Printf,$1,$2,$3,1751)
 160 
 161         $(call ListPathsSafely_Printf,$1,$2,$3,2001)
 162         $(call ListPathsSafely_Printf,$1,$2,$3,2251)
 163         $(call ListPathsSafely_Printf,$1,$2,$3,2501)
 164         $(call ListPathsSafely_Printf,$1,$2,$3,2751)
 165 
 166         $(call ListPathsSafely_Printf,$1,$2,$3,3001)
 167         $(call ListPathsSafely_Printf,$1,$2,$3,3251)
 168         $(call ListPathsSafely_Printf,$1,$2,$3,3501)
 169         $(call ListPathsSafely_Printf,$1,$2,$3,3751)
 170 
 171         $(call ListPathsSafely_Printf,$1,$2,$3,4001)
 172         $(call ListPathsSafely_Printf,$1,$2,$3,4251)
 173         $(call ListPathsSafely_Printf,$1,$2,$3,4501)
 174         $(call ListPathsSafely_Printf,$1,$2,$3,4751)
 175 
 176         $(call ListPathsSafely_Printf,$1,$2,$3,5001)
 177         $(call ListPathsSafely_Printf,$1,$2,$3,5251)
 178         $(call ListPathsSafely_Printf,$1,$2,$3,5501)
 179         $(call ListPathsSafely_Printf,$1,$2,$3,5751)
 180 
 181         $(call ListPathsSafely_Printf,$1,$2,$3,6001)
 182         $(call ListPathsSafely_Printf,$1,$2,$3,6251)
 183         $(call ListPathsSafely_Printf,$1,$2,$3,6501)
 184         $(call ListPathsSafely_Printf,$1,$2,$3,6751)
 185 
 186         $(call ListPathsSafely_Printf,$1,$2,$3,7001)
 187         $(call ListPathsSafely_Printf,$1,$2,$3,7251)
 188         $(call ListPathsSafely_Printf,$1,$2,$3,7501)
 189         $(call ListPathsSafely_Printf,$1,$2,$3,7751)
 190 
 191         $(call ListPathsSafely_Printf,$1,$2,$3,8001)
 192         $(call ListPathsSafely_Printf,$1,$2,$3,8251)
 193         $(call ListPathsSafely_Printf,$1,$2,$3,8501)
 194         $(call ListPathsSafely_Printf,$1,$2,$3,8751)
 195 
 196         $(call ListPathsSafely_Printf,$1,$2,$3,9001)
 197         $(call ListPathsSafely_Printf,$1,$2,$3,9251)
 198         $(call ListPathsSafely_Printf,$1,$2,$3,9501)
 199         $(call ListPathsSafely_Printf,$1,$2,$3,9751)
 200 
 201         $(call ListPathsSafely_Printf,$1,$2,$3,10001)
 202         $(call ListPathsSafely_Printf,$1,$2,$3,10251)
 203         $(call ListPathsSafely_Printf,$1,$2,$3,10501)
 204         $(call ListPathsSafely_Printf,$1,$2,$3,10751)
 205 
 206         $(call ListPathsSafely_Printf,$1,$2,$3,11001)
 207         $(call ListPathsSafely_Printf,$1,$2,$3,11251)
 208         $(call ListPathsSafely_Printf,$1,$2,$3,11501)
 209         $(call ListPathsSafely_Printf,$1,$2,$3,11751)
 210 
 211         $(call ListPathsSafely_Printf,$1,$2,$3,12001)
 212         $(call ListPathsSafely_Printf,$1,$2,$3,12251)
 213         $(call ListPathsSafely_Printf,$1,$2,$3,12501)
 214         $(call ListPathsSafely_Printf,$1,$2,$3,12751)
 215 
 216         $(call ListPathsSafely_Printf,$1,$2,$3,13001)
 217         $(call ListPathsSafely_Printf,$1,$2,$3,13251)
 218         $(call ListPathsSafely_Printf,$1,$2,$3,13501)
 219         $(call ListPathsSafely_Printf,$1,$2,$3,13751)
 220 
 221         $(call ListPathsSafely_Printf,$1,$2,$3,14001)
 222         $(call ListPathsSafely_Printf,$1,$2,$3,14251)
 223         $(call ListPathsSafely_Printf,$1,$2,$3,14501)
 224         $(call ListPathsSafely_Printf,$1,$2,$3,14751)
 225 
 226         $(call ListPathsSafely_Printf,$1,$2,$3,15001)
 227         $(call ListPathsSafely_Printf,$1,$2,$3,15251)
 228         $(call ListPathsSafely_Printf,$1,$2,$3,15501)
 229         $(call ListPathsSafely_Printf,$1,$2,$3,15751)
 230 endef
 231 
 232 define ListPathsSafelyNow_IfPrintf
 233   ifneq (,$$(word $4,$$($1)))
 234     $$(eval $1_LPS$4:=$$(call compress_paths,$$(wordlist $4,$5,$$($1))))
 235     $$(shell printf -- "$$(strip $$($1_LPS$4))\n" | $(decompress_paths) $3)
 236   endif
 237 endef
 238 
 239 # And an non-receipt version:
 240 define ListPathsSafelyNow
 241   ifneq (,$$(word 10001,$$($1)))
 242     $$(error Cannot list safely more than 10000 paths. $1 has $$(words $$($1)) paths!)
 243   endif
 244   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1,250)
 245   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,251,500)
 246   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,501,750)
 247   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,751,1000)
 248 
 249   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1001,1250)
 250   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1251,1500)
 251   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1501,1750)
 252   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1751,2000)
 253 
 254   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2001,2250)
 255   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2251,2500)
 256   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2501,2750)
 257   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2751,3000)
 258 
 259   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3001,3250)
 260   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3251,3500)
 261   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3501,3750)
 262   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3751,4000)
 263 
 264   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4001,4250)
 265   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4251,4500)
 266   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4501,4750)
 267   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4751,5000)
 268 
 269   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5001,5250)
 270   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5251,5500)
 271   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5501,5750)
 272   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5751,6000)
 273 
 274   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6001,6250)
 275   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6251,6500)
 276   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6501,6750)
 277   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6751,7000)
 278 
 279   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7001,7250)
 280   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7251,7500)
 281   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7501,7750)
 282   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7751,8000)
 283 
 284   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8001,8250)
 285   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8251,8500)
 286   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8501,8750)
 287   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8751,9000)
 288 
 289   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9001,9250)
 290   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9251,9500)
 291   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9501,9750)
 292   $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9751,10000)
 293 
 294 endef
 295 
 296 # The source tips can come from the Mercurial repository, or in the files
 297 # $(HGTIP_FILENAME) which contains the tip but is also positioned in the same
 298 # directory as the original $(HGDIR) directory.
 299 # These should not be := assignments, only used from the root Makefile.
 300 HG_VERSION = $(shell $(HG) version 2> /dev/null)
 301 HG_DIRECTORY=.hg
 302 HGTIP_FILENAME=.hgtip
 303 HG_SEARCH = ./REPO ./*/REPO ./*/*/REPO ./*/*/*/REPO
 304 REPO_LIST = $(patsubst ./%,%,$(patsubst %/,%,$(sort $(dir \
 305     $(shell $(CD) $(SRC_ROOT) ; ( $(LS) -d $(HG_SEARCH:%/REPO=%/$(HG_DIRECTORY)) ; \
 306         $(LS) $(HG_SEARCH:%/REPO=%/$(HGTIP_FILENAME)) ) \
 307         2> /dev/null)))))
 308 
 309 # Emit the repo:tip pairs to $@
 310 define GetSourceTips
 311         $(CD) $(SRC_ROOT) ; \
 312         for i in $(REPO_LIST) IGNORE ; do \
 313           if [ "$${i}" = "IGNORE" ] ; then \
 314             continue; \
 315           elif [ -d $${i}/$(HG_DIRECTORY) -a "$(HG_VERSION)" != "" ] ; then \
 316             $(PRINTF) " %s:%s" \
 317                 "$${i}" `$(HG) tip --repository $${i} --template '{node|short}\n'` ; \
 318           elif [ -f $${i}/$(HGTIP_FILENAME) ] ; then \
 319             $(PRINTF) " %s:%s" \
 320                 "$${i}" `$(CAT) $${i}/$(HGTIP_FILENAME)` ; \
 321           fi; \
 322         done >> $@
 323         $(PRINTF) "\n" >> $@
 324 endef
 325 
 326 # Create the HGTIP_FILENAME file. Called from jdk/make/closed/bundles.gmk
 327 define CreateHgTip
 328         $(HG) tip --repository $1 --template '{node|short}\n' > $1/$(HGTIP_FILENAME); \
 329         $(ECHO) $1/$(HGTIP_FILENAME)
 330 endef
 331 
 332 define SetupLogging
 333   ifeq ($$(LOG_LEVEL),trace)
 334     # Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
 335     # For each target executed, will print
 336     # Building <TARGET> (from <FIRST PREREQUISITE>) (<ALL NEWER PREREQUISITES> newer)
 337     # but with a limit of 20 on <ALL NEWER PREREQUISITES>, to avoid cluttering logs too much
 338     # (and causing a crash on Cygwin).
 339     # Default shell seems to always be /bin/sh. Must override with bash to get this to work on Solaris.
 340     # Only use time if it's GNU time which supports format and output file.
 341     WRAPPER_SHELL:=/bin/bash $$(SRC_ROOT)/common/bin/shell-tracer.sh $$(if $$(findstring yes,$$(IS_GNU_TIME)),$$(TIME),-) $$(OUTPUT_ROOT)/build-trace-time.log /bin/bash
 342     SHELL=$$(warning $$(if $$@,Building $$@,Running shell command) $$(if $$<, (from $$<))$$(if $$?, ($$(wordlist 1, 20, $$?) $$(if $$(wordlist 21, 22, $$?), ... [in total $$(words $$?) files]) newer)))$$(WRAPPER_SHELL)
 343   endif
 344   # Never remove warning messages; this is just for completeness
 345   LOG_WARN=
 346   ifneq ($$(findstring $$(LOG_LEVEL),info debug trace),)
 347     LOG_INFO=
 348   else
 349     LOG_INFO=> /dev/null
 350   endif
 351   ifneq ($$(findstring $$(LOG_LEVEL),debug trace),)
 352     LOG_DEBUG=
 353   else
 354     LOG_DEBUG=> /dev/null
 355   endif
 356   ifneq ($$(findstring $$(LOG_LEVEL),trace),)
 357     LOG_TRACE=
 358   else
 359     LOG_TRACE=> /dev/null
 360   endif
 361 endef
 362 
 363 # Make sure logging is setup for everyone that includes MakeBase.gmk.
 364 $(eval $(call SetupLogging))
 365 
 366 # This is to be called by all SetupFoo macros
 367 define LogSetupMacroEntry
 368   $(if $(27),$(error Internal makefile error: Too many arguments to LogSetupMacroEntry, please update MakeBase.gmk))
 369   $(if $(findstring $(LOG_LEVEL),debug trace), $(info $1 $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26,$(if $($i),$(NEWLINE) $(strip [$i] $($i))))))
 370 endef
 371 
 372 # Make directory without forking mkdir if not needed
 373 define MakeDir
 374   ifneq ($$(wildcard $1 $2 $3 $4 $5 $6 $7 $8 $9),$$(strip $1 $2 $3 $4 $5 $6 $7 $8 $9))
 375     $$(shell $(MKDIR) -p $1 $2 $3 $4 $5 $6 $7 $8 $9)
 376   endif
 377 endef
 378 
 379 ifeq ($(OPENJDK_TARGET_OS),solaris)
 380   # On Solaris, if the target is a symlink and exists, cp won't overwrite.
 381   # Cp has to operate in recursive mode to allow for -P flag, to preserve soft links. If the
 382   # name of the target file differs from the source file, rename after copy.
 383   # If the source and target parent directories are the same, recursive copy doesn't work
 384   # so we fall back on regular copy, which isn't preserving symlinks.
 385   define install-file
 386         $(MKDIR) -p $(@D)
 387         $(RM) '$@'
 388         if [ "$(@D)" != "$(<D)" ]; then \
 389           $(CP) -f -r -P '$<' '$(@D)'; \
 390           if [ "$(@F)" != "$(<F)" ]; then \
 391             $(MV) '$(@D)/$(<F)' '$@'; \
 392           fi; \
 393         else \
 394           if [ -L '$<' ]; then \
 395             $(ECHO) "Source file is a symlink and target is in the same directory: $< $@" ; \
 396             exit 1; \
 397           fi; \
 398           $(CP) -f '$<' '$@'; \
 399         fi
 400   endef
 401 else ifeq ($(OPENJDK_TARGET_OS),macosx)
 402   # On mac, extended attributes sometimes creep into the source files, which may later
 403   # cause the creation of ._* files which confuses testing. Clear these with xattr if
 404   # set. Some files get their write permissions removed after being copied to the
 405   # output dir. When these are copied again to images, xattr would fail. By only clearing
 406   # attributes when they are present, failing on this is avoided.
 407   define install-file
 408         $(MKDIR) -p $(@D)
 409         $(CP) -fRP '$<' '$@'
 410         if [ -n "`$(XATTR) -l '$@'`" ]; then $(XATTR) -c '$@'; fi
 411   endef
 412 else
 413   define install-file
 414         $(MKDIR) -p $(@D)
 415         $(CP) -fP '$<' '$@'
 416   endef
 417 endif
 418 
 419 # Convenience functions for working around make's limitations with $(filter ).
 420 containing = $(foreach v,$2,$(if $(findstring $1,$v),$v))
 421 not-containing = $(foreach v,$2,$(if $(findstring $1,$v),,$v))
 422 
 423 ifneq ($(DISABLE_CACHE_FIND), true)
 424 ################################################################################
 425 # In Cygwin, finds are very costly, both because of expensive forks and because
 426 # of bad file system caching. Find is used extensively in $(shell) commands to
 427 # find source files. This makes rerunning make with no or few changes rather
 428 # expensive. To speed this up, these two macros are used to cache the results
 429 # of simple find commands for reuse.
 430 #
 431 # Runs a find and stores both the directories where it was run and the results.
 432 # This macro can be called multiple times to add to the cache. Only finds files
 433 # with no filters.
 434 #
 435 # Needs to be called with $(eval )
 436 #
 437   # Even if the performance benifit is negligible on other platforms, keep the
 438   # functionality active unless explicitly disabled to exercise it more.
 439   #
 440   # Initialize FIND_CACHE_DIRS with := to make it a non recursively-expanded variable
 441   FIND_CACHE_DIRS :=
 442 # Param 1 - Dir to find in
 443   define FillCacheFind
 444     # Filter out already cached dirs. The - is needed when FIND_CACHE_DIR is empty
 445     # since filter out will then return empty.
 446     FIND_CACHE_NEW_DIRS := $$(filter-out $$(addsuffix /%,\
 447         - $(FIND_CACHE_DIRS)) $(FIND_CACHE_DIRS), $1)
 448     ifneq ($$(FIND_CACHE_NEW_DIRS), )
 449       # Remove any trailing slash from dirs in the cache dir list
 450       FIND_CACHE_DIRS += $$(patsubst %/,%, $$(FIND_CACHE_NEW_DIRS))
 451       FIND_CACHE := $$(sort $$(FIND_CACHE) $$(shell $(FIND) $$(FIND_CACHE_NEW_DIRS) -type f -o -type l))
 452     endif
 453   endef
 454 
 455 # Mimics find by looking in the cache if all of the directories have been cached.
 456 # Otherwise reverts to shell find. This is safe to call on all platforms, even if
 457 # cache is deactivated.
 458 #
 459 # The extra - is needed when FIND_CACHE_DIR is empty but should be harmless.
 460 # Param 1 - Dirs to find in
 461 define CacheFind
 462     $(if $(filter-out $(addsuffix /%,- $(FIND_CACHE_DIRS)) $(FIND_CACHE_DIRS),$1), \
 463     $(shell $(FIND) $1 -type f -o -type l), \
 464     $(filter $(addsuffix %,$1),$(FIND_CACHE)))
 465 endef
 466 else
 467   # If CacheFind is disabled, just run the find command.
 468   define CacheFind
 469     $(shell $(FIND) $1 -type f -o -type l)
 470   endef
 471 endif
 472 
 473 ################################################################################
 474 
 475 endif # _MAKEBASE_GMK