1 #
   2 # Copyright (c) 2011, 2016, 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 # Setup common utility functions.
  29 #
  30 ################################################################
  31 
  32 ifndef _MAKEBASE_GMK
  33 _MAKEBASE_GMK := 1
  34 
  35 ifeq ($(wildcard $(SPEC)),)
  36   $(error MakeBase.gmk needs SPEC set to a proper spec.gmk)
  37 endif
  38 
  39 # By defining this pseudo target, make will automatically remove targets
  40 # if their recipe fails so that a rebuild is automatically triggered on the
  41 # next make invocation.
  42 .DELETE_ON_ERROR:
  43 
  44 ################################################################################
  45 # Definitions for special characters
  46 ################################################################################
  47 
  48 # When calling macros, the spaces between arguments are
  49 # often semantically important! Sometimes we need to subst
  50 # spaces and commas, therefore we need the following macros.
  51 X:=
  52 SPACE:=$(X) $(X)
  53 COMMA:=,
  54 DOLLAR:=$$
  55 HASH:=\#
  56 LEFT_PAREN:=(
  57 RIGHT_PAREN:=)
  58 SQUOTE:='
  59 #'
  60 DQUOTE:="
  61 #"
  62 define NEWLINE
  63 
  64 
  65 endef
  66 
  67 # In GNU Make 4.0 and higher, there is a file function for writing to files.
  68 ifeq (4.0, $(firstword $(sort 4.0 $(MAKE_VERSION))))
  69   HAS_FILE_FUNCTION := true
  70 endif
  71 
  72 ##############################
  73 # Functions
  74 ##############################
  75 
  76 ### Debug functions
  77 
  78 # Prints the name and value of a variable
  79 PrintVar = \
  80     $(info $(strip $1) >$($(strip $1))<)
  81 
  82 ### Functions for timers
  83 
  84 # Store the build times in this directory.
  85 BUILDTIMESDIR=$(OUTPUT_ROOT)/make-support/build-times
  86 
  87 # Record starting time for build of a sub repository.
  88 define RecordStartTime
  89         $(DATE) '+%Y %m %d %H %M %S' | $(NAWK) '{ print $$1,$$2,$$3,$$4,$$5,$$6,($$4*3600+$$5*60+$$6) }' > $(BUILDTIMESDIR)/build_time_start_$(strip $1) && \
  90         $(DATE) '+%Y-%m-%d %H:%M:%S' > $(BUILDTIMESDIR)/build_time_start_$(strip $1)_human_readable
  91 endef
  92 
  93 # Record ending time and calculate the difference and store it in a
  94 # easy to read format. Handles builds that cross midnight. Expects
  95 # that a build will never take 24 hours or more.
  96 define RecordEndTime
  97         $(DATE) '+%Y %m %d %H %M %S' | $(NAWK) '{ print $$1,$$2,$$3,$$4,$$5,$$6,($$4*3600+$$5*60+$$6) }' > $(BUILDTIMESDIR)/build_time_end_$(strip $1)
  98         $(DATE) '+%Y-%m-%d %H:%M:%S' > $(BUILDTIMESDIR)/build_time_end_$(strip $1)_human_readable
  99         $(ECHO) `$(CAT) $(BUILDTIMESDIR)/build_time_start_$(strip $1)` `$(CAT) $(BUILDTIMESDIR)/build_time_end_$(strip $1)` $1 | \
 100             $(NAWK) '{ F=$$7; T=$$14; if (F > T) { T+=3600*24 }; D=T-F; H=int(D/3600); \
 101             M=int((D-H*3600)/60); S=D-H*3600-M*60; printf("%02d:%02d:%02d %s\n",H,M,S,$$15); }' \
 102             > $(BUILDTIMESDIR)/build_time_diff_$(strip $1)
 103 endef
 104 
 105 # Hook to be called when starting to execute a top-level target
 106 define TargetEnter
 107         $(PRINTF) "## Starting $(patsubst %-only,%,$@)\n"
 108         $(call RecordStartTime,$(patsubst %-only,%,$@))
 109 endef
 110 
 111 # Hook to be called when finish executing a top-level target
 112 define TargetExit
 113         $(call RecordEndTime,$(patsubst %-only,%,$@))
 114         $(PRINTF) "## Finished $(patsubst %-only,%,$@) (build time %s)\n\n" \
 115             "`$(CAT) $(BUILDTIMESDIR)/build_time_diff_$(patsubst %-only,%,$@) | $(CUT) -f 1 -d ' '`"
 116 endef
 117 
 118 ################################################################################
 119 # This macro translates $ into \$ to protect the $ from expansion in the shell.
 120 # To make this macro resilient against already escaped strings, first remove
 121 # any present escapes before escaping so that no double escapes are added.
 122 EscapeDollar = $(subst $$,\$$,$(subst \$$,$$,$(strip $1)))
 123 
 124 ################################################################################
 125 # This macro translates $ into $$ to protect the string from make itself.
 126 DoubleDollar = $(subst $$,$$$$,$(strip $1))
 127 
 128 ################################################################################
 129 # ListPathsSafely can be used to print command parameters to a file. This is
 130 # typically done if the command line lenght risk being too long for the
 131 # OS/shell. In later make versions, the file function can be used for this
 132 # purpose. For earlier versions, a more complex implementation is provided.
 133 #
 134 # The function ListPathsSafely can be called either directly or, more commonly
 135 # from a recipe line. If called from a recipe, it will be executed in the
 136 # evaluation phase of that recipe, which means that it will write to the file
 137 # before any other line in the recipe has been run.
 138 ifeq ($(HAS_FILE_FUNCTION), true)
 139   # Param 1 - Name of variable containing paths/arguments to output
 140   # Param 2 - File to print to
 141   # Param 3 - Set to true to append to file instead of overwriting
 142   define ListPathsSafely
 143     $$(call MakeDir, $$(dir $$(strip $2)))
 144     $$(file $$(if $$(filter true, $$(strip $3)),>>,>) \
 145         $$(strip $2),$$(subst $$(SPACE),$$(NEWLINE),$$(strip $$($$(strip $1)))))
 146   endef
 147 
 148 else # HAS_FILE_FUNCTION
 149 
 150   $(eval compress_paths = \
 151       $(strip $(shell $(CAT) $(SRC_ROOT)/make/common/support/ListPathsSafely-pre-compress.incl)))
 152   compress_paths += \
 153       $(subst $(SRC_ROOT),X97, \
 154       $(subst $(OUTPUT_ROOT),X98, \
 155       $(subst X,X00, \
 156       $(subst $(SPACE),\n,$(strip $1)))))
 157   $(eval compress_paths += \
 158       $(strip $(shell $(CAT) $(SRC_ROOT)/make/common/support/ListPathsSafely-post-compress.incl)))
 159 
 160   decompress_paths=$(SED) -f $(SRC_ROOT)/make/common/support/ListPathsSafely-uncompress.sed \
 161       -e 's|X99|\\n|g' \
 162       -e 's|X98|$(OUTPUT_ROOT)|g' -e 's|X97|$(SRC_ROOT)|g' \
 163       -e 's|X00|X|g'
 164 
 165   ListPathsSafely_IfPrintf = \
 166       $(if $(word $3,$($(strip $1))), \
 167           $(shell $(PRINTF) -- "$(strip $(call EscapeDollar, \
 168               $(call compress_paths, $(wordlist $3,$4,$($(strip $1))))))\n" \
 169               | $(decompress_paths) >> $2))
 170 
 171   # Param 1 - Name of variable containing paths/arguments to output
 172   # Param 2 - File to print to
 173   # Param 3 - Set to true to append to file instead of overwriting
 174   define ListPathsSafely
 175     ifneq (,$$(word 10001,$$($1)))
 176       $$(error Cannot list safely more than 10000 paths. $1 has $$(words $$($1)) paths!)
 177     endif
 178     $$(call MakeDir, $$(dir $2))
 179     ifneq ($$(strip $3), true)
 180       $$(shell $(RM) $$(strip $2))
 181     endif
 182 
 183     $$(call ListPathsSafely_IfPrintf,$1,$2,1,250)
 184     $$(call ListPathsSafely_IfPrintf,$1,$2,251,500)
 185     $$(call ListPathsSafely_IfPrintf,$1,$2,501,750)
 186     $$(call ListPathsSafely_IfPrintf,$1,$2,751,1000)
 187 
 188     $$(call ListPathsSafely_IfPrintf,$1,$2,1001,1250)
 189     $$(call ListPathsSafely_IfPrintf,$1,$2,1251,1500)
 190     $$(call ListPathsSafely_IfPrintf,$1,$2,1501,1750)
 191     $$(call ListPathsSafely_IfPrintf,$1,$2,1751,2000)
 192 
 193     $$(call ListPathsSafely_IfPrintf,$1,$2,2001,2250)
 194     $$(call ListPathsSafely_IfPrintf,$1,$2,2251,2500)
 195     $$(call ListPathsSafely_IfPrintf,$1,$2,2501,2750)
 196     $$(call ListPathsSafely_IfPrintf,$1,$2,2751,3000)
 197 
 198     $$(call ListPathsSafely_IfPrintf,$1,$2,3001,3250)
 199     $$(call ListPathsSafely_IfPrintf,$1,$2,3251,3500)
 200     $$(call ListPathsSafely_IfPrintf,$1,$2,3501,3750)
 201     $$(call ListPathsSafely_IfPrintf,$1,$2,3751,4000)
 202 
 203     $$(call ListPathsSafely_IfPrintf,$1,$2,4001,4250)
 204     $$(call ListPathsSafely_IfPrintf,$1,$2,4251,4500)
 205     $$(call ListPathsSafely_IfPrintf,$1,$2,4501,4750)
 206     $$(call ListPathsSafely_IfPrintf,$1,$2,4751,5000)
 207 
 208     $$(call ListPathsSafely_IfPrintf,$1,$2,5001,5250)
 209     $$(call ListPathsSafely_IfPrintf,$1,$2,5251,5500)
 210     $$(call ListPathsSafely_IfPrintf,$1,$2,5501,5750)
 211     $$(call ListPathsSafely_IfPrintf,$1,$2,5751,6000)
 212 
 213     $$(call ListPathsSafely_IfPrintf,$1,$2,6001,6250)
 214     $$(call ListPathsSafely_IfPrintf,$1,$2,6251,6500)
 215     $$(call ListPathsSafely_IfPrintf,$1,$2,6501,6750)
 216     $$(call ListPathsSafely_IfPrintf,$1,$2,6751,7000)
 217 
 218     $$(call ListPathsSafely_IfPrintf,$1,$2,7001,7250)
 219     $$(call ListPathsSafely_IfPrintf,$1,$2,7251,7500)
 220     $$(call ListPathsSafely_IfPrintf,$1,$2,7501,7750)
 221     $$(call ListPathsSafely_IfPrintf,$1,$2,7751,8000)
 222 
 223     $$(call ListPathsSafely_IfPrintf,$1,$2,8001,8250)
 224     $$(call ListPathsSafely_IfPrintf,$1,$2,8251,8500)
 225     $$(call ListPathsSafely_IfPrintf,$1,$2,8501,8750)
 226     $$(call ListPathsSafely_IfPrintf,$1,$2,8751,9000)
 227 
 228     $$(call ListPathsSafely_IfPrintf,$1,$2,9001,9250)
 229     $$(call ListPathsSafely_IfPrintf,$1,$2,9251,9500)
 230     $$(call ListPathsSafely_IfPrintf,$1,$2,9501,9750)
 231     $$(call ListPathsSafely_IfPrintf,$1,$2,9751,10000)
 232   endef
 233 endif # HAS_FILE_FUNCTION
 234 
 235 ################################################################################
 236 # The source tips can come from the Mercurial repository, or in the files
 237 # $(HGTIP_FILENAME) which contains the tip but is also positioned in the same
 238 # directory as the original $(HGDIR) directory.
 239 # These should not be := assignments, only used from the root Makefile.
 240 HG_VERSION = $(shell $(HG) version 2> /dev/null)
 241 HG_DIRECTORY=.hg
 242 HGTIP_FILENAME=.hgtip
 243 HG_SEARCH = ./REPO ./*/REPO ./*/*/REPO ./*/*/*/REPO
 244 REPO_LIST = $(patsubst ./%,%,$(patsubst %/,%,$(sort $(dir \
 245     $(shell $(CD) $(SRC_ROOT) ; \
 246         $(LS) -d $(HG_SEARCH:%/REPO=%/$(HG_DIRECTORY)) \
 247             $(HG_SEARCH:%/REPO=%/$(HGTIP_FILENAME)) \
 248         2> /dev/null)))))
 249 
 250 # Emit the repo:tip pairs to $@, but only if they changed since last time
 251 define GetSourceTips
 252         $(CD) $(SRC_ROOT) ; \
 253         for i in $(REPO_LIST) IGNORE ; do \
 254           if [ "$${i}" = "IGNORE" ] ; then \
 255             continue; \
 256           elif [ -d $${i}/$(HG_DIRECTORY) -a "$(HG_VERSION)" != "" ] ; then \
 257             $(PRINTF) " %s:%s" \
 258                 "$${i}" `$(HG) tip --repository $${i} --template '{node|short}\n'` ; \
 259           elif [ -f $${i}/$(HGTIP_FILENAME) ] ; then \
 260             $(PRINTF) " %s:%s" \
 261                 "$${i}" `$(CAT) $${i}/$(HGTIP_FILENAME)` ; \
 262           fi; \
 263         done > $@.tmp
 264         $(PRINTF) "\n" >> $@.tmp
 265         if [ ! -f $@ ] || [ "`$(CAT) $@`" != "`$(CAT) $@.tmp`" ]; then \
 266           $(MV) $@.tmp $@ ; \
 267         else \
 268           $(RM) $@.tmp ; \
 269         fi
 270 endef
 271 
 272 # Create the HGTIP_FILENAME file. Called from closed/make/SourceBundles.gmk
 273 define CreateHgTip
 274         $(HG) tip --repository $1 --template '{node|short}\n' > $1/$(HGTIP_FILENAME); \
 275         $(ECHO) $1/$(HGTIP_FILENAME)
 276 endef
 277 
 278 ################################################################################
 279 
 280 define SetupLogging
 281   ifeq ($$(LOG_LEVEL), trace)
 282     # Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
 283     # For each target executed, will print
 284     # Building <TARGET> (from <FIRST PREREQUISITE>) (<ALL NEWER PREREQUISITES> newer)
 285     # but with a limit of 20 on <ALL NEWER PREREQUISITES>, to avoid cluttering logs too much
 286     # (and causing a crash on Cygwin).
 287     # Default shell seems to always be /bin/sh. Must override with bash to get this to work on Solaris.
 288     # Only use time if it's GNU time which supports format and output file.
 289     WRAPPER_SHELL := $$(BASH) $$(SRC_ROOT)/common/bin/shell-tracer.sh $$(if $$(findstring yes,$$(IS_GNU_TIME)),$$(TIME),-) $$(OUTPUT_ROOT)/build-trace-time.log $$(SHELL)
 290     SHELL = $$(warning $$(if $$@,Building $$@,Running shell command) $$(if $$<, (from $$<))$$(if $$?, ($$(wordlist 1, 20, $$?) $$(if $$(wordlist 21, 22, $$?), ... [in total $$(words $$?) files]) newer)))$$(WRAPPER_SHELL)
 291   endif
 292   # The warn level can never be turned off
 293   LogWarn = $$(info $$(strip $$1))
 294   LOG_WARN :=
 295   ifneq ($$(findstring $$(LOG_LEVEL), info debug trace),)
 296     LogInfo = $$(info $$(strip $$1))
 297     LOG_INFO :=
 298   else
 299     LogInfo =
 300     LOG_INFO := > /dev/null
 301   endif
 302   ifneq ($$(findstring $$(LOG_LEVEL), debug trace),)
 303     LogDebug = $$(info $$(strip $$1))
 304     LOG_DEBUG :=
 305   else
 306     LogDebug =
 307     LOG_DEBUG := > /dev/null
 308   endif
 309   ifneq ($$(findstring $$(LOG_LEVEL), trace),)
 310     LogTrace = $$(info $$(strip $$1))
 311     LOG_TRACE :=
 312   else
 313     LogTrace =
 314     LOG_TRACE := > /dev/null
 315   endif
 316 endef
 317 
 318 # Make sure logging is setup for everyone that includes MakeBase.gmk.
 319 $(eval $(call SetupLogging))
 320 
 321 ################################################################################
 322 # Creates a sequence of increasing numbers (inclusive).
 323 # Param 1 - starting number
 324 # Param 2 - ending number
 325 sequence = \
 326     $(wordlist $1, $2, $(strip \
 327         $(eval SEQUENCE_COUNT :=) \
 328         $(call _sequence-do,$(strip $2))))
 329 
 330 _sequence-do = \
 331     $(if $(word $1, $(SEQUENCE_COUNT)),, \
 332       $(eval SEQUENCE_COUNT += .) \
 333       $(words $(SEQUENCE_COUNT)) \
 334       $(call _sequence-do,$1))
 335 
 336 ################################################################################
 337 
 338 MAX_PARAMS := 35
 339 PARAM_SEQUENCE := $(call sequence, 2, $(MAX_PARAMS))
 340 
 341 # Template for creating a macro taking named parameters. To use it, assign the
 342 # template to a variable with the name you want for your macro, using '='
 343 # assignment. Then define a macro body with the suffix "Body". The Body macro
 344 # should take 1 parameter which should be a unique string for that invocation
 345 # of the macro.
 346 # Ex:
 347 # SetupFoo = $(NamedParamsMacroTemplate)
 348 # define SetupFooBody
 349 #   # do something
 350 #   # access parameters as $$($1_BAR)
 351 # endef
 352 # Call it like this
 353 # $(eval $(call SetupFoo, BUILD_SOMETHING, \
 354 #     BAR := some parameter value, \
 355 # ))
 356 define NamedParamsMacroTemplate
 357   $(if $($(MAX_PARAMS)),$(error Internal makefile error: \
 358       Too many named arguments to macro, please update MAX_PARAMS in MakeBase.gmk))
 359   # Iterate over 2 3 4... and evaluate the named parameters with $1_ as prefix
 360   $(foreach i,$(PARAM_SEQUENCE), $(if $(strip $($i)),\
 361     $(strip $1)_$(strip $($i)))$(NEWLINE))
 362   # Debug print all named parameter names and values
 363   $(if $(findstring $(LOG_LEVEL),debug trace), \
 364     $(info $0 $(strip $1) $(foreach i,$(PARAM_SEQUENCE), \
 365       $(if $(strip $($i)),$(NEWLINE) $(strip [$i] $(if $(filter $(LOG_LEVEL), trace), \
 366         $($i), $(wordlist 1, 20, $($(i))) $(if $(word 21, $($(i))), ...)))))))
 367 
 368   $(if $(DEBUG_$(strip $1)),
 369     $(info -------- <<< Begin expansion of $(strip $1)) \
 370     $(info $(call $(0)Body,$(strip $1))) \
 371     $(info -------- >>> End expansion of $(strip $1)) \
 372   )
 373 
 374   $(call $(0)Body,$(strip $1))
 375 endef
 376 
 377 ################################################################################
 378 # Make directory without forking mkdir if not needed
 379 # 1: List of directories to create
 380 MakeDir = \
 381     $(strip \
 382         $(eval MakeDir_dirs_to_make := $(strip $(foreach d, $1, $(if $(wildcard $d), , $d)))) \
 383         $(if $(MakeDir_dirs_to_make), $(shell $(MKDIR) -p $(MakeDir_dirs_to_make))) \
 384     )
 385 
 386 ################################################################################
 387 # Assign a variable only if it is empty
 388 # Param 1 - Variable to assign
 389 # Param 2 - Value to assign
 390 SetIfEmpty = \
 391     $(if $($(strip $1)),,$(eval $(strip $1) := $2))
 392 
 393 ################################################################################
 394 
 395 ifeq ($(OPENJDK_TARGET_OS),solaris)
 396   # On Solaris, if the target is a symlink and exists, cp won't overwrite.
 397   # Cp has to operate in recursive mode to allow for -P flag, to preserve soft links. If the
 398   # name of the target file differs from the source file, rename after copy.
 399   # If the source and target parent directories are the same, recursive copy doesn't work
 400   # so we fall back on regular copy, which isn't preserving symlinks.
 401   define install-file
 402         $(MKDIR) -p '$(@D)'
 403         $(RM) '$@'
 404         if [ "$(@D)" != "$(<D)" ]; then \
 405           $(CP) -f -r -P '$<' '$(@D)'; \
 406           if [ "$(@F)" != "$(<F)" ]; then \
 407             $(MV) '$(@D)/$(<F)' '$@'; \
 408           fi; \
 409         else \
 410           if [ -L '$<' ]; then \
 411             $(ECHO) "Source file is a symlink and target is in the same directory: $< $@" ; \
 412             exit 1; \
 413           fi; \
 414           $(CP) -f '$<' '$@'; \
 415         fi
 416   endef
 417 else ifeq ($(OPENJDK_TARGET_OS),macosx)
 418   # On mac, extended attributes sometimes creep into the source files, which may later
 419   # cause the creation of ._* files which confuses testing. Clear these with xattr if
 420   # set. Some files get their write permissions removed after being copied to the
 421   # output dir. When these are copied again to images, xattr would fail. By only clearing
 422   # attributes when they are present, failing on this is avoided.
 423   define install-file
 424         $(MKDIR) -p '$(@D)'
 425         $(CP) -fRP '$<' '$@'
 426         if [ -n "`$(XATTR) -l '$@'`" ]; then $(XATTR) -c '$@'; fi
 427   endef
 428 else
 429   # Running mkdir and cp in the same shell speeds up copy intensive tasks in Cygwin
 430   # significantly.
 431   define install-file
 432         $(call MakeDir, $(@D))
 433         $(CP) -fP '$<' '$@'
 434   endef
 435 endif
 436 
 437 ################################################################################
 438 # Filter out duplicate sub strings while preserving order. Keeps the first occurance.
 439 uniq = \
 440     $(if $1,$(firstword $1) $(call uniq,$(filter-out $(firstword $1),$1)))
 441 
 442 # Returns all whitespace-separated words in $2 where at least one of the
 443 # whitespace-separated words in $1 is a substring.
 444 containing = \
 445     $(strip \
 446         $(foreach v,$(strip $2),\
 447           $(call uniq,$(foreach p,$(strip $1),$(if $(findstring $p,$v),$v)))))
 448 
 449 # Returns all whitespace-separated words in $2 where none of the
 450 # whitespace-separated words in $1 is a substring.
 451 not-containing = \
 452     $(strip $(filter-out $(call containing,$1,$2),$2))
 453 
 454 # Return a list of all string elements that are duplicated in $1.
 455 dups = \
 456     $(strip $(foreach v, $(sort $1), $(if $(filter-out 1, \
 457         $(words $(filter $v, $1))), $v)))
 458 
 459 # String equals
 460 equals = \
 461     $(and $(findstring $(strip $1),$(strip $2)),\
 462         $(findstring $(strip $2),$(strip $1)))
 463 
 464 # Remove a whole list of prefixes
 465 # $1 - List of prefixes
 466 # $2 - List of elements to process
 467 remove-prefixes = \
 468     $(strip $(if $1,$(patsubst $(firstword $1)%,%,\
 469       $(call remove-prefixes,$(filter-out $(firstword $1),$1),$2)),$2))
 470 
 471 # Convert the string given to upper case, without any $(shell)
 472 # Inspired by http://lists.gnu.org/archive/html/help-make/2013-09/msg00009.html
 473 uppercase_table := a,A b,B c,C d,D e,E f,F g,G h,H i,I j,J k,K l,L m,M n,N o,O \
 474     p,P q,Q r,R s,S t,T u,U v,V w,W x,X y,Y z,Z
 475 
 476 uppercase_internal = \
 477   $(if $(strip $1), $$(subst $(firstword $1), $(call uppercase_internal, \
 478       $(wordlist 2, $(words $1), $1), $2)), $2)
 479 
 480 # Convert a string to upper case. Works only on a-z.
 481 # $1 - The string to convert
 482 uppercase = \
 483   $(strip \
 484     $(eval uppercase_result := $(call uppercase_internal, $(uppercase_table), $1)) \
 485     $(uppercase_result) \
 486   )
 487 
 488 ################################################################################
 489 
 490 ifneq ($(DISABLE_CACHE_FIND), true)
 491   # In Cygwin, finds are very costly, both because of expensive forks and because
 492   # of bad file system caching. Find is used extensively in $(shell) commands to
 493   # find source files. This makes rerunning make with no or few changes rather
 494   # expensive. To speed this up, these two macros are used to cache the results
 495   # of simple find commands for reuse.
 496   #
 497   # Runs a find and stores both the directories where it was run and the results.
 498   # This macro can be called multiple times to add to the cache. Only finds files
 499   # with no filters.
 500   #
 501   # Needs to be called with $(eval )
 502   #
 503   # Even if the performance benifit is negligible on other platforms, keep the
 504   # functionality active unless explicitly disabled to exercise it more.
 505   #
 506   # Initialize FIND_CACHE_DIRS with := to make it a non recursively-expanded variable
 507   FIND_CACHE_DIRS :=
 508   # Param 1 - Dirs to find in
 509   # Param 2 - (optional) specialization. Normally "-a \( ... \)" expression.
 510   define FillCacheFind
 511     # Filter out already cached dirs. The - is needed when FIND_CACHE_DIRS is empty
 512     # since filter out will then return empty.
 513     FIND_CACHE_NEW_DIRS := $$(filter-out $$(addsuffix /%,\
 514         - $(FIND_CACHE_DIRS)) $(FIND_CACHE_DIRS), $1)
 515     ifneq ($$(FIND_CACHE_NEW_DIRS), )
 516       # Remove any trailing slash from dirs in the cache dir list
 517       FIND_CACHE_DIRS += $$(patsubst %/,%, $$(FIND_CACHE_NEW_DIRS))
 518       FIND_CACHE := $$(sort $$(FIND_CACHE) $$(shell $(FIND) $$(FIND_CACHE_NEW_DIRS) \( -type f -o -type l \) $2))
 519     endif
 520   endef
 521 
 522   # Mimics find by looking in the cache if all of the directories have been cached.
 523   # Otherwise reverts to shell find. This is safe to call on all platforms, even if
 524   # cache is deactivated.
 525   #
 526   # $1 can be either a directory or a file. If it's a directory, make
 527   # sure we have exactly one trailing slash before the wildcard.
 528   # The extra - is needed when FIND_CACHE_DIRS is empty but should be harmless.
 529   #
 530   # Param 1 - Dirs to find in
 531   # Param 2 - (optional) specialization. Normally "-a \( ... \)" expression.
 532   define CacheFind
 533       $(if $(filter-out $(addsuffix /%,- $(FIND_CACHE_DIRS)) $(FIND_CACHE_DIRS),$1), \
 534     $(shell $(FIND) $1 \( -type f -o -type l \) $2), \
 535         $(filter $(addsuffix /%,$(patsubst %/,%,$1)) $1,$(FIND_CACHE)))
 536   endef
 537 
 538 else
 539   # If CacheFind is disabled, just run the find command.
 540   # Param 1 - Dirs to find in
 541   # Param 2 - (optional) specialization. Normally "-a \( ... \)" expression.
 542   define CacheFind
 543     $(shell $(FIND) $1 \( -type f -o -type l \) $2)
 544   endef
 545 endif
 546 
 547 ################################################################################
 548 
 549 define AddFileToCopy
 550   # Helper macro for SetupCopyFiles
 551   # 1 : Source file
 552   # 2 : Dest file
 553   # 3 : Variable to add targets to
 554   # 4 : Macro to call for copy operation
 555   $2: $1
 556         $$(call LogInfo, Copying $$(patsubst $(OUTPUT_ROOT)/%,%,$$@))
 557         $$($$(strip $4))
 558 
 559   $3 += $2
 560 endef
 561 
 562 # Returns the value of the first argument
 563 identity = \
 564     $(strip $1)
 565 
 566 # Setup make rules for copying files, with an option to do more complex
 567 # processing instead of copying.
 568 #
 569 # Parameter 1 is the name of the rule. This name is used as variable prefix,
 570 # and the targets generated are listed in a variable by that name.
 571 #
 572 # Remaining parameters are named arguments. These include:
 573 #   SRC     : Source root dir (defaults to dir of first file)
 574 #   DEST    : Dest root dir
 575 #   FILES   : List of files to copy with absolute paths, or path relative to SRC.
 576 #             Must be in SRC.
 577 #   FLATTEN : Set to flatten the directory structure in the DEST dir.
 578 #   MACRO   : Optionally override the default macro used for making the copy.
 579 #             Default is 'install-file'
 580 #   NAME_MACRO : Optionally supply a macro that rewrites the target file name
 581 #                based on the source file name
 582 SetupCopyFiles = $(NamedParamsMacroTemplate)
 583 define SetupCopyFilesBody
 584 
 585   ifeq ($$($1_MACRO), )
 586     $1_MACRO := install-file
 587   endif
 588 
 589   # Default SRC to the dir of the first file.
 590   ifeq ($$($1_SRC), )
 591     $1_SRC := $$(dir $$(firstword $$($1_FILES)))
 592   endif
 593 
 594   ifeq ($$($1_NAME_MACRO), )
 595     $1_NAME_MACRO := identity
 596   endif
 597 
 598   # Remove any trailing slash from SRC and DEST
 599   $1_SRC := $$(patsubst %/,%,$$($1_SRC))
 600   $1_DEST := $$(patsubst %/,%,$$($1_DEST))
 601 
 602   $$(foreach f, $$(patsubst $$($1_SRC)/%,%,$$($1_FILES)), \
 603       $$(eval $$(call AddFileToCopy, $$($1_SRC)/$$f, \
 604       $$($1_DEST)/$$(call $$(strip $$($1_NAME_MACRO)),$$(if $$($1_FLATTEN),$$(notdir $$f),$$f)), \
 605       $1, $$($1_MACRO))))
 606 
 607 endef
 608 
 609 ################################################################################
 610 # ShellQuote
 611 #
 612 # Quotes a string with single quotes and replaces single quotes with '\'' so
 613 # that the contents survives being given to the shell.
 614 
 615 ShellQuote = \
 616     $(SQUOTE)$(subst $(SQUOTE),$(SQUOTE)\$(SQUOTE)$(SQUOTE),$(strip $1))$(SQUOTE)
 617 
 618 ################################################################################
 619 # Write to and read from file
 620 
 621 # Param 1 - File to read
 622 ReadFile = \
 623     $(shell $(CAT) $1)
 624 
 625 # Param 1 - Text to write
 626 # Param 2 - File to write to
 627 ifeq ($(HAS_FILE_FUNCTION), true)
 628   WriteFile = \
 629       $(file >$2,$(strip $1))
 630 else
 631   # Use printf to get consistent behavior on all platforms.
 632   WriteFile = \
 633       $(shell $(PRINTF) "%s" $(call ShellQuote, $1) > $2)
 634 endif
 635 
 636 ################################################################################
 637 # DependOnVariable
 638 #
 639 # This macro takes a variable name and puts the value in a file only if the
 640 # value has changed since last. The name of the file is returned. This can be
 641 # used to create rule dependencies on make variable values. The following
 642 # example would get rebuilt if the value of SOME_VAR was changed:
 643 #
 644 # path/to/some-file: $(call DependOnVariable, SOME_VAR)
 645 #         echo $(SOME_VAR) > $@
 646 #
 647 # Note that leading and trailing white space in the value is ignored.
 648 #
 649 
 650 # Defines the sub directory structure to store variable value file in
 651 DependOnVariableDirName = \
 652     $(strip $(addsuffix $(if $(MODULE),/$(MODULE)), \
 653         $(subst $(SRC_ROOT)/,, $(if $(filter /%, $(firstword $(MAKEFILE_LIST))), \
 654           $(firstword $(MAKEFILE_LIST)), \
 655           $(CURDIR)/$(firstword $(MAKEFILE_LIST))))))
 656 
 657 # Defines the name of the file to store variable value in. Generates a name
 658 # unless parameter 2 is given.
 659 # Param 1 - Name of variable
 660 # Param 2 - (optional) name of file to store value in
 661 DependOnVariableFileName = \
 662     $(strip $(if $(strip $2), $2, \
 663       $(MAKESUPPORT_OUTPUTDIR)/vardeps/$(DependOnVariableDirName)/$(strip $1).vardeps))
 664 
 665 # Does the actual work with parameters stripped.
 666 # If the file exists AND the contents is the same as the variable, do nothing
 667 # else print a new file.
 668 # Always returns the name of the file where the value was printed.
 669 # Param 1 - Name of variable
 670 # Param 2 - (optional) name of file to store value in
 671 DependOnVariableHelper = \
 672     $(strip \
 673         $(eval -include $(call DependOnVariableFileName, $1, $2)) \
 674         $(if $(call equals, $(strip $($1)), $(strip $($1_old))),,\
 675           $(call MakeDir, $(dir $(call DependOnVariableFileName, $1, $2))) \
 676           $(if $(findstring $(LOG_LEVEL), trace), \
 677               $(info NewVariable $1: >$(strip $($1))<) \
 678               $(info OldVariable $1: >$(strip $($1_old))<)) \
 679           $(call WriteFile, $1_old:=$(call DoubleDollar,$($1)), \
 680               $(call DependOnVariableFileName, $1, $2))) \
 681         $(call DependOnVariableFileName, $1, $2) \
 682     )
 683 
 684 # Main macro
 685 # Param 1 - Name of variable
 686 # Param 2 - (optional) name of file to store value in
 687 DependOnVariable = \
 688     $(call DependOnVariableHelper,$(strip $1),$(strip $2))
 689 
 690 # LogCmdlines is only intended to be used by ExecuteWithLog
 691 ifeq ($(LOG_CMDLINES), true)
 692   LogCmdlines = $(info $(strip $1))
 693 else
 694   LogCmdlines =
 695 endif
 696 
 697 ################################################################################
 698 # ExecuteWithLog will run a command and log the output appropriately. This is
 699 # meant to be used by commands that do "real" work, like a compilation.
 700 # The output is stored in a specified log file, which is displayed at the end
 701 # of the build in case of failure. The  command line itself is stored in a file,
 702 # and also logged to stdout if the LOG=cmdlines option has been given.
 703 #
 704 # Param 1 - The path to base the name of the log file / command line file on
 705 # Param 2 - The command to run
 706 ExecuteWithLog = \
 707   $(call LogCmdlines, Exececuting: [$(strip $2)]) \
 708   $(call WriteFile, $2, $(strip $1).cmdline) \
 709   ( ( $(strip $2) > >($(TEE) $(strip $1).log) 2> >($(TEE) $(strip $1).log >&2) || \
 710       ( exitcode=$(DOLLAR)? && \
 711       $(CP) $(strip $1).log $(MAKESUPPORT_OUTPUTDIR)/failure-logs/$(subst /,_,$(patsubst $(BUILD_OUTPUT)/%,%,$(strip $1))).log && \
 712       exit $(DOLLAR)exitcode ) ) && wait )
 713 
 714 ################################################################################
 715 # Find lib dir for module
 716 # Param 1 - module name
 717 ifeq ($(OPENJDK_TARGET_OS_TYPE), unix)
 718   FindLibDirForModule = \
 719       $(SUPPORT_OUTPUTDIR)/modules_libs/$(strip $1)$(OPENJDK_TARGET_CPU_LIBDIR)
 720 else
 721   FindLibDirForModule = \
 722       $(SUPPORT_OUTPUTDIR)/modules_libs/$(strip $1)
 723 endif
 724 
 725 ################################################################################
 726 # Return a string suitable for use after a -classpath or -modulepath option. It
 727 # will be correct and safe to use on all platforms. Arguments are given as space
 728 # separate classpath entries. Safe for multiple nested calls.
 729 # param 1 : A space separated list of classpath entries
 730 # The surrounding strip is needed to keep additional whitespace out
 731 PathList = \
 732   "$(subst $(SPACE),$(PATH_SEP),$(strip $(subst $(DQUOTE),,$1)))"
 733 
 734 ################################################################################
 735 # Check if a specified hotspot variant is being built, or at least one of a
 736 # list of variants. Will return 'true' or 'false'.
 737 # $1 - the variant to test for
 738 check-jvm-variant = \
 739   $(strip \
 740     $(if $(filter-out $(VALID_JVM_VARIANTS), $1), \
 741       $(error Internal error: Invalid variant tested: $1)) \
 742     $(if $(filter $1, $(JVM_VARIANTS)), true, false))
 743 
 744 ################################################################################
 745 # Converts a space separated list to a comma separated list.
 746 #
 747 # Replacing double-comma with a single comma is to workaround the issue with
 748 # some version of make on windows that doesn't substitute spaces with one comma
 749 # properly.
 750 CommaList = \
 751   $(strip \
 752       $(subst $(COMMA)$(COMMA),$(COMMA),$(subst $(SPACE),$(COMMA),$(strip $1))) \
 753   )
 754 
 755 ################################################################################
 756 
 757 # Hook to include the corresponding custom file, if present.
 758 $(eval $(call IncludeCustomExtension, , common/MakeBase.gmk))
 759 
 760 endif # _MAKEBASE_GMK