MakeBase.gmk revision 996:abbef24e40d7
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 33ifndef _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. 41compress_pre:=$(strip $(shell $(CAT) $(SRC_ROOT)/make/common/support/ListPathsSafely-pre-compress.incl)) 42compress_post:=$(strip $(shell $(CAT) $(SRC_ROOT)/make/common/support/ListPathsSafely-post-compress.incl)) 43compress_paths=$(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 50decompress_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 54define ListPathsSafely_If 55 $(if $(word $3,$($1)),$(eval $1_LPS$3:=$(call compress_paths,$(wordlist $3,$4,$($1))))) 56endef 57 58define ListPathsSafely_Printf 59 $(if $(strip $($1_LPS$4)),$(if $(findstring $(LOG_LEVEL),trace),,@)printf \ 60 -- "$(strip $($1_LPS$4))\n" | $(decompress_paths) $3) 61endef 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. 68define 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) 230endef 231 232define ListPathsSafelyNow_IfPrintf 233 ifneq (,$$(word $4,$$($1))) 234 $$(eval $1_LPS$4:=$$(call compress_paths,$$(wordlist $4,$5,$$($1)))) 235 $$(shell printf -- "$$(strip $$($1_LPS$4))\n" | $(decompress_paths) $3) 236 endif 237endef 238 239# And an non-receipt version: 240define ListPathsSafelyNow 241 ifneq (,$$(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 294endef 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. 300HG_VERSION = $(shell $(HG) version 2> /dev/null) 301HG_DIRECTORY=.hg 302HGTIP_FILENAME=.hgtip 303HG_SEARCH = ./REPO ./*/REPO ./*/*/REPO ./*/*/*/REPO 304REPO_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 $@ 310define 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) $${i}/$(HGTIP_FILENAME)` ; \ 321 fi; \ 322 done >> $@ 323 $(PRINTF) "\n" >> $@ 324endef 325 326# Create the HGTIP_FILENAME file. Called from jdk/make/closed/bundles.gmk 327define CreateHgTip 328 $(HG) tip --repository $1 --template '{node|short}\n' > $1/$(HGTIP_FILENAME); \ 329 $(ECHO) $1/$(HGTIP_FILENAME) 330endef 331 332define SetupLogging 333 ifeq ($$(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 $$(LOG_LEVEL),trace),) 357 LOG_TRACE= 358 else 359 LOG_TRACE=> /dev/null 360 endif 361endef 362 363# Make sure logging is setup for everyone that includes MakeBase.gmk. 364$(eval $(call SetupLogging)) 365 366# This is to be called by all SetupFoo macros 367define LogSetupMacroEntry 368 $(if $(27),$(error Internal makefile error: Too many arguments to LogSetupMacroEntry, please update MakeBase.gmk)) 369 $(if $(findstring $(LOG_LEVEL),debug trace), $(info $1 $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26,$(if $($i),$(NEWLINE) $(strip [$i] $($i)))))) 370endef 371 372# Make directory without forking mkdir if not needed 373define MakeDir 374 ifneq ($$(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 $9) 376 endif 377endef 378 379ifeq ($(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 $(CP) -f '$<' '$@'; \ 399 fi 400 endef 401else ifeq ($(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 412else 413 define install-file 414 $(MKDIR) -p $(@D) 415 $(CP) -fP '$<' '$@' 416 endef 417endif 418 419# Convenience functions for working around make's limitations with $(filter ). 420containing = $(foreach v,$2,$(if $(findstring $1,$v),$v)) 421not-containing = $(foreach v,$2,$(if $(findstring $1,$v),,$v)) 422 423################################################################################ 424# In Cygwin, finds are very costly, both because of expensive forks and because 425# of bad file system caching. Find is used extensively in $(shell) commands to 426# find source files. This makes rerunning make with no or few changes rather 427# expensive. To speed this up, these two macros are used to cache the results 428# of simple find commands for reuse. 429# 430# Runs a find and stores both the directories where it was run and the results. 431# This macro can be called multiple times to add to the cache. Only finds files 432# with no filters. 433# 434# Needs to be called with $(eval ) 435# 436# Param 1 - Dir to find in 437ifeq ($(OPENJDK_BUILD_OS),windows) 438 define FillCacheFind 439 # Remove any trailing slash from dirs in the cache dir list 440 FIND_CACHE_DIR += $$(patsubst %/,%, $1) 441 FIND_CACHE := $$(sort $$(FIND_CACHE) $$(shell $(FIND) $1 -type f -o -type l)) 442 endef 443else 444 define FillCacheFind 445 endef 446endif 447 448# Mimics find by looking in the cache if all of the directories have been cached. 449# Otherwise reverts to shell find. This is safe to call on all platforms, even if 450# cache is deactivated. 451# 452# The extra - is needed when FIND_CACHE_DIR is empty but should be harmless. 453# Param 1 - Dirs to find in 454define CacheFind 455 $(if $(filter-out $(addsuffix /%,- $(FIND_CACHE_DIR)) $(FIND_CACHE_DIR),$1), \ 456 $(shell $(FIND) $1 -type f -o -type l), \ 457 $(filter $(addsuffix %,$1),$(FIND_CACHE))) 458endef 459 460################################################################################ 461 462endif # _MAKEBASE_GMK 463