common/makefiles/MakeBase.gmk - SHIFTPHONES/android_libcore - Gitiles

 #
 # Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License version 2 only, as
 # published by the Free Software Foundation.  Oracle designates this
 # particular file as subject to the "Classpath" exception as provided
 # by Oracle in the LICENSE file that accompanied this code.
 #
 # This code is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 # version 2 for more details (a copy is included in the LICENSE file that
 # accompanied this code).
 #
 # You should have received a copy of the GNU General Public License version
 # 2 along with this work; if not, write to the Free Software Foundation,
 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 # or visit www.oracle.com if you need additional information or have any
 # questions.
 #

 ################################################################
 #
 # Check that GNU make and cygwin are recent enough.
 # Setup common utility functions.
 #
 ################################################################

 ifndef _MAKEBASE_GMK
 _MAKEBASE_GMK := 1

 # If the variable that you want to send to stdout for piping into a file or otherwise,
 # is potentially long, for example the a list of file paths, eg a list of all package directories.
 # Then you need to use ListPathsSafely, which optimistically splits the output into several shell
 # calls as well as use compression on recurrent file paths segments, to get around the potential
 # command line length problem that exists in cygwin and other shells.
 compress_pre:=$(strip $(shell $(CAT) $(SRC_ROOT)/common/makefiles/support/ListPathsSafely-pre-compress.incl))
 compress_post:=$(strip $(shell $(CAT) $(SRC_ROOT)/common/makefiles/support/ListPathsSafely-post-compress.incl))
 compress_paths=$(compress_pre)\
 $(subst $(SRC_ROOT),X97,\
 $(subst $(OUTPUT_ROOT),X98,\
 $(subst X,X00,\
 $(subst $(SPACE),\n,$(strip $1)))))\
 $(compress_post)

 decompress_paths=$(SED) -f $(SRC_ROOT)/common/makefiles/support/ListPathsSafely-uncompress.sed -e 's|X99|\\n|g' \
 		     -e 's|X98|$(OUTPUT_ROOT)|g' -e 's|X97|$(SRC_ROOT)|g' \
 		     -e 's|X00|X|g' | tr '\n' '$2'

 define ListPathsSafely_If
     $(if $(word $3,$($1)),$(eval $1_LPS$3:=$(call compress_paths,$(wordlist $3,$4,$($1)))))
 endef

 define ListPathsSafely_Printf
     $(if $(strip $($1_LPS$4)),printf -- "$(strip $($1_LPS$4))\n" | $(decompress_paths) $3)
 endef

 # Receipt example:
 #    rm -f thepaths
 #    $(call ListPathsSafely,THEPATHS,\n, >> thepaths)
 #    The \n argument means translate spaces into \n
 #    if instead , , (a space) is supplied, then spaces remain spaces.
 define ListPathsSafely
     $(if $(word 16001,$($1)),$(error Cannot list safely more than 16000 paths. $1 has $(words $($1)) paths!))
     $(call ListPathsSafely_If,$1,$2,1,250)
     $(call ListPathsSafely_If,$1,$2,251,500)
     $(call ListPathsSafely_If,$1,$2,501,750)
     $(call ListPathsSafely_If,$1,$2,751,1000)

     $(call ListPathsSafely_If,$1,$2,1001,1250)
     $(call ListPathsSafely_If,$1,$2,1251,1500)
     $(call ListPathsSafely_If,$1,$2,1501,1750)
     $(call ListPathsSafely_If,$1,$2,1751,2000)

     $(call ListPathsSafely_If,$1,$2,2001,2250)
     $(call ListPathsSafely_If,$1,$2,2251,2500)
     $(call ListPathsSafely_If,$1,$2,2501,2750)
     $(call ListPathsSafely_If,$1,$2,2751,3000)

     $(call ListPathsSafely_If,$1,$2,3001,3250)
     $(call ListPathsSafely_If,$1,$2,3251,3500)
     $(call ListPathsSafely_If,$1,$2,3501,3750)
     $(call ListPathsSafely_If,$1,$2,3751,4000)

     $(call ListPathsSafely_If,$1,$2,4001,4250)
     $(call ListPathsSafely_If,$1,$2,4251,4500)
     $(call ListPathsSafely_If,$1,$2,4501,4750)
     $(call ListPathsSafely_If,$1,$2,4751,5000)

     $(call ListPathsSafely_If,$1,$2,5001,5250)
     $(call ListPathsSafely_If,$1,$2,5251,5500)
     $(call ListPathsSafely_If,$1,$2,5501,5750)
     $(call ListPathsSafely_If,$1,$2,5751,6000)

     $(call ListPathsSafely_If,$1,$2,6001,6250)
     $(call ListPathsSafely_If,$1,$2,6251,6500)
     $(call ListPathsSafely_If,$1,$2,6501,6750)
     $(call ListPathsSafely_If,$1,$2,6751,7000)

     $(call ListPathsSafely_If,$1,$2,7001,7250)
     $(call ListPathsSafely_If,$1,$2,7251,7500)
     $(call ListPathsSafely_If,$1,$2,7501,7750)
     $(call ListPathsSafely_If,$1,$2,7751,8000)

     $(call ListPathsSafely_If,$1,$2,8001,8250)
     $(call ListPathsSafely_If,$1,$2,8251,8500)
     $(call ListPathsSafely_If,$1,$2,8501,8750)
     $(call ListPathsSafely_If,$1,$2,8751,9000)

     $(call ListPathsSafely_If,$1,$2,9001,9250)
     $(call ListPathsSafely_If,$1,$2,9251,9500)
     $(call ListPathsSafely_If,$1,$2,9501,9750)
     $(call ListPathsSafely_If,$1,$2,9751,10000)

     $(call ListPathsSafely_If,$1,$2,10001,10250)
     $(call ListPathsSafely_If,$1,$2,10251,10500)
     $(call ListPathsSafely_If,$1,$2,10501,10750)
     $(call ListPathsSafely_If,$1,$2,10751,11000)

     $(call ListPathsSafely_If,$1,$2,11001,11250)
     $(call ListPathsSafely_If,$1,$2,11251,11500)
     $(call ListPathsSafely_If,$1,$2,11501,11750)
     $(call ListPathsSafely_If,$1,$2,11751,12000)

     $(call ListPathsSafely_If,$1,$2,12001,12250)
     $(call ListPathsSafely_If,$1,$2,12251,12500)
     $(call ListPathsSafely_If,$1,$2,12501,12750)
     $(call ListPathsSafely_If,$1,$2,12751,13000)

     $(call ListPathsSafely_If,$1,$2,13001,13250)
     $(call ListPathsSafely_If,$1,$2,13251,13500)
     $(call ListPathsSafely_If,$1,$2,13501,13750)
     $(call ListPathsSafely_If,$1,$2,13751,14000)

     $(call ListPathsSafely_If,$1,$2,14001,14250)
     $(call ListPathsSafely_If,$1,$2,14251,14500)
     $(call ListPathsSafely_If,$1,$2,14501,14750)
     $(call ListPathsSafely_If,$1,$2,14751,15000)

     $(call ListPathsSafely_If,$1,$2,15001,15250)
     $(call ListPathsSafely_If,$1,$2,15251,15500)
     $(call ListPathsSafely_If,$1,$2,15501,15750)
     $(call ListPathsSafely_If,$1,$2,15751,16000)

     $(call ListPathsSafely_Printf,$1,$2,$3,1)
     $(call ListPathsSafely_Printf,$1,$2,$3,251)
     $(call ListPathsSafely_Printf,$1,$2,$3,501)
     $(call ListPathsSafely_Printf,$1,$2,$3,751)

     $(call ListPathsSafely_Printf,$1,$2,$3,1001)
     $(call ListPathsSafely_Printf,$1,$2,$3,1251)
     $(call ListPathsSafely_Printf,$1,$2,$3,1501)
     $(call ListPathsSafely_Printf,$1,$2,$3,1751)

     $(call ListPathsSafely_Printf,$1,$2,$3,2001)
     $(call ListPathsSafely_Printf,$1,$2,$3,2251)
     $(call ListPathsSafely_Printf,$1,$2,$3,2501)
     $(call ListPathsSafely_Printf,$1,$2,$3,2751)

     $(call ListPathsSafely_Printf,$1,$2,$3,3001)
     $(call ListPathsSafely_Printf,$1,$2,$3,3251)
     $(call ListPathsSafely_Printf,$1,$2,$3,3501)
     $(call ListPathsSafely_Printf,$1,$2,$3,3751)

     $(call ListPathsSafely_Printf,$1,$2,$3,4001)
     $(call ListPathsSafely_Printf,$1,$2,$3,4251)
     $(call ListPathsSafely_Printf,$1,$2,$3,4501)
     $(call ListPathsSafely_Printf,$1,$2,$3,4751)

     $(call ListPathsSafely_Printf,$1,$2,$3,5001)
     $(call ListPathsSafely_Printf,$1,$2,$3,5251)
     $(call ListPathsSafely_Printf,$1,$2,$3,5501)
     $(call ListPathsSafely_Printf,$1,$2,$3,5751)

     $(call ListPathsSafely_Printf,$1,$2,$3,6001)
     $(call ListPathsSafely_Printf,$1,$2,$3,6251)
     $(call ListPathsSafely_Printf,$1,$2,$3,6501)
     $(call ListPathsSafely_Printf,$1,$2,$3,6751)

     $(call ListPathsSafely_Printf,$1,$2,$3,7001)
     $(call ListPathsSafely_Printf,$1,$2,$3,7251)
     $(call ListPathsSafely_Printf,$1,$2,$3,7501)
     $(call ListPathsSafely_Printf,$1,$2,$3,7751)

     $(call ListPathsSafely_Printf,$1,$2,$3,8001)
     $(call ListPathsSafely_Printf,$1,$2,$3,8251)
     $(call ListPathsSafely_Printf,$1,$2,$3,8501)
     $(call ListPathsSafely_Printf,$1,$2,$3,8751)

     $(call ListPathsSafely_Printf,$1,$2,$3,9001)
     $(call ListPathsSafely_Printf,$1,$2,$3,9251)
     $(call ListPathsSafely_Printf,$1,$2,$3,9501)
     $(call ListPathsSafely_Printf,$1,$2,$3,9751)

     $(call ListPathsSafely_Printf,$1,$2,$3,10001)
     $(call ListPathsSafely_Printf,$1,$2,$3,10251)
     $(call ListPathsSafely_Printf,$1,$2,$3,10501)
     $(call ListPathsSafely_Printf,$1,$2,$3,10751)

     $(call ListPathsSafely_Printf,$1,$2,$3,11001)
     $(call ListPathsSafely_Printf,$1,$2,$3,11251)
     $(call ListPathsSafely_Printf,$1,$2,$3,11501)
     $(call ListPathsSafely_Printf,$1,$2,$3,11751)

     $(call ListPathsSafely_Printf,$1,$2,$3,12001)
     $(call ListPathsSafely_Printf,$1,$2,$3,12251)
     $(call ListPathsSafely_Printf,$1,$2,$3,12501)
     $(call ListPathsSafely_Printf,$1,$2,$3,12751)

     $(call ListPathsSafely_Printf,$1,$2,$3,13001)
     $(call ListPathsSafely_Printf,$1,$2,$3,13251)
     $(call ListPathsSafely_Printf,$1,$2,$3,13501)
     $(call ListPathsSafely_Printf,$1,$2,$3,13751)

     $(call ListPathsSafely_Printf,$1,$2,$3,14001)
     $(call ListPathsSafely_Printf,$1,$2,$3,14251)
     $(call ListPathsSafely_Printf,$1,$2,$3,14501)
     $(call ListPathsSafely_Printf,$1,$2,$3,14751)

     $(call ListPathsSafely_Printf,$1,$2,$3,15001)
     $(call ListPathsSafely_Printf,$1,$2,$3,15251)
     $(call ListPathsSafely_Printf,$1,$2,$3,15501)
     $(call ListPathsSafely_Printf,$1,$2,$3,15751)
 endef

 define ListPathsSafelyNow_IfPrintf
     ifneq (,$$(word $4,$$($1)))
         $$(eval $1_LPS$4:=$$(call compress_paths,$$(wordlist $4,$5,$$($1))))
         $$(shell printf -- "$$(strip $$($1_LPS$4))\n" | $(decompress_paths) $3)
     endif
 endef

 # And an non-receipt version:
 define ListPathsSafelyNow
     ifneq (,$$(word 10001,$$($1)))
         $$(error Cannot list safely more than 10000 paths. $1 has $$(words $$($1)) paths!)
     endif
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1,250)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,251,500)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,501,750)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,751,1000)

     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1001,1250)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1251,1500)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1501,1750)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1751,2000)

     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2001,2250)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2251,2500)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2501,2750)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2751,3000)

     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3001,3250)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3251,3500)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3501,3750)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3751,4000)

     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4001,4250)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4251,4500)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4501,4750)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4751,5000)

     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5001,5250)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5251,5500)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5501,5750)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5751,6000)

     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6001,6250)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6251,6500)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6501,6750)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6751,7000)

     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7001,7250)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7251,7500)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7501,7750)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7751,8000)

     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8001,8250)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8251,8500)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8501,8750)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8751,9000)

     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9001,9250)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9251,9500)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9501,9750)
     $(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9751,10000)

 endef

 # The source tips can come from the Mercurial repository, or in the files
 #   $(HGTIP_FILENAME) which contains the tip but is also positioned in the same
 #   directory as the original $(HGDIR) directory.
 #   These should not be := assignments, only used from the root Makefile.
 HG_VERSION = $(shell $(HG) version 2> /dev/null)
 HG_DIRECTORY=.hg
 HGTIP_FILENAME=.hgtip
 HG_SEARCH = ./REPO ./*/REPO ./*/*/REPO ./*/*/*/REPO
 REPO_LIST = $(patsubst ./%,%,$(patsubst %/,%,$(sort $(dir \
     $(shell $(CD) $(SRC_ROOT) ; ( $(LS) -d $(HG_SEARCH:%/REPO=%/$(HG_DIRECTORY)) ; \
                                    $(LS)    $(HG_SEARCH:%/REPO=%/$(HGTIP_FILENAME)) ) \
 	        2> /dev/null)))))

 # Emit the repo:tip pairs to $@
 define GetSourceTips
 $(CD) $(SRC_ROOT) ; \
 for i in $(REPO_LIST) IGNORE ; do \
   if [ "$${i}" = "IGNORE" ] ; then \
     continue; \
   elif [ -d $${i}/$(HG_DIRECTORY) -a "$(HG_VERSION)" != "" ] ; then \
     $(PRINTF) " %s:%s" \
       "$${i}" `$(HG) tip --repository $${i} --template '{node|short}\n'` ; \
   elif [ -f $${i}/$(HGTIP_FILENAME) ] ; then \
     $(PRINTF) " %s:%s" \
       "$${i}" `$(CAT) $${i}/$(HGTIP_FILENAME)` ; \
   fi; \
 done >> $@
 $(PRINTF) "\n" >> $@
 endef

 # Create the HGTIP_FILENAME file. Called from jdk/make/closed/bundles.gmk
 define CreateHgTip
 $(HG) tip --repository $1 --template '{node|short}\n' > $1/$(HGTIP_FILENAME);\
 $(ECHO) $1/$(HGTIP_FILENAME)
 endef

 define SetupLogging
     ifeq ($$(LOG), trace)
         # Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
         # For each target executed, will print
         # Building <TARGET> (from <FIRST PREREQUISITE>) (<ALL NEWER PREREQUISITES> newer)
         # but with a limit of 20 on <ALL NEWER PREREQUISITES>, to avoid cluttering logs too much (and causing a crash on Cygwin).
         OLD_SHELL:=$$(SHELL)
         WRAPPER_SHELL:=$$(OLD_SHELL) $$(SRC_ROOT)/common/bin/shell-tracer.sh $$(if $$(TIME),$$(TIME),-) $$(OUTPUT_ROOT)/build-trace-time.log $$(OLD_SHELL)
         SHELL=$$(warning $$(if $$@,Building $$@,Running shell command) $$(if $$<, (from $$<))$$(if $$?, ($$(wordlist 1, 20, $$?) $$(if $$(wordlist 21, 22, $$?), ... [in total $$(words $$?) files]) newer)))$$(WRAPPER_SHELL)
     endif
     # Never remove warning messages; this is just for completeness
     LOG_WARN=
     ifneq ($$(findstring $$(LOG),info debug trace),)
         LOG_INFO=
     else
         LOG_INFO=> /dev/null
     endif
     ifneq ($$(findstring $$(LOG),debug trace),)
         LOG_DEBUG=
     else
         LOG_DEBUG=> /dev/null
     endif
     ifneq ($$(findstring $$(LOG),trace),)
         LOG_TRACE=
     else
         LOG_TRACE=> /dev/null
     endif
 endef

 # Make sure logging is setup for everyone that includes MakeBase.gmk.
 $(eval $(call SetupLogging))

 # This is to be called by all SetupFoo macros
 define LogSetupMacroEntry
     $(if $(26),$(error Internal makefile error: Too many arguments to LogSetupMacroEntry, please update MakeBase.gmk))
     $(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))))))
 endef

 # Make directory without forking mkdir if not needed
 define MakeDir
     ifneq ($$(wildcard $1 $2 $3 $4 $5 $6 $7 $8 $9),$$(strip $1 $2 $3 $4 $5 $6 $7 $8 $9))
         $$(shell $(MKDIR) -p $1 $2 $3 $4 $5 $6 $7 $8 $9)
     endif
 endef

 ifeq ($(OPENJDK_TARGET_OS),solaris)
 # On Solaris, if the target is a symlink and exists, cp won't overwrite.
 define install-file
 	$(MKDIR) -p $(@D)
 	$(RM) '$@'
 	$(CP) -f -r -P '$<' '$(@D)'
 endef
 else ifeq ($(OPENJDK_TARGET_OS),macosx)
 define install-file
 	$(MKDIR) -p $(@D)
 	$(CP) -fpRP '$<' '$@'
 endef
 else
 define install-file
 	$(MKDIR) -p $(@D)
 	$(CP) -fP '$<' '$@'
 endef
 endif

 # Convenience functions for working around make's limitations with $(filter ).
 containing = $(foreach v,$2,$(if $(findstring $1,$v),$v))
 not-containing = $(foreach v,$2,$(if $(findstring $1,$v),,$v))

 ################################################################################
 # In Cygwin, finds are very costly, both because of expensive forks and because
 # of bad file system caching. Find is used extensively in $(shell) commands to
 # find source files. This makes rerunning make with no or few changes rather
 # expensive. To speed this up, these two macros are used to cache the results
 # of simple find commands for reuse.
 #
 # Runs a find and stores both the directories where it was run and the results.
 # This macro can be called multiple times to add to the cache. Only finds files
 # with no filters.
 #
 # Needs to be called with $(eval )
 #
 # Param 1 - Dir to find in
 ifeq ($(OPENJDK_BUILD_OS),windows)
 define FillCacheFind
     FIND_CACHE_DIR += $1
     FIND_CACHE := $$(sort $$(FIND_CACHE) $$(shell $(FIND) $1 -type f -o -type l))
 endef
 else
 define FillCacheFind
 endef
 endif

 # Mimics find by looking in the cache if all of the directories have been cached.
 # Otherwise reverts to shell find. This is safe to call on all platforms, even if
 # cache is deactivated.
 #
 # The extra - is needed when FIND_CACHE_DIR is empty but should be harmless.
 # Param 1 - Dirs to find in
 define CacheFind
     $(if $(filter-out $(addsuffix %,- $(FIND_CACHE_DIR)),$1),\
         $(shell $(FIND) $1 -type f -o -type l),\
         $(filter $(addsuffix %,$1),$(FIND_CACHE)))
 endef

 ################################################################################

 endif # _MAKEBASE_GMK
	#
	# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
	# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	#
	# This code is free software; you can redistribute it and/or modify it
	# under the terms of the GNU General Public License version 2 only, as
	# published by the Free Software Foundation. Oracle designates this
	# particular file as subject to the "Classpath" exception as provided
	# by Oracle in the LICENSE file that accompanied this code.
	#
	# This code is distributed in the hope that it will be useful, but WITHOUT
	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	# version 2 for more details (a copy is included in the LICENSE file that
	# accompanied this code).
	#
	# You should have received a copy of the GNU General Public License version
	# 2 along with this work; if not, write to the Free Software Foundation,
	# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	#
	# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	# or visit www.oracle.com if you need additional information or have any
	# questions.
	#

	################################################################
	#
	# Check that GNU make and cygwin are recent enough.
	# Setup common utility functions.
	#
	################################################################

	ifndef _MAKEBASE_GMK
	_MAKEBASE_GMK := 1

	# If the variable that you want to send to stdout for piping into a file or otherwise,
	# is potentially long, for example the a list of file paths, eg a list of all package directories.
	# Then you need to use ListPathsSafely, which optimistically splits the output into several shell
	# calls as well as use compression on recurrent file paths segments, to get around the potential
	# command line length problem that exists in cygwin and other shells.
	compress_pre:=$(strip $(shell $(CAT) $(SRC_ROOT)/common/makefiles/support/ListPathsSafely-pre-compress.incl))
	compress_post:=$(strip $(shell $(CAT) $(SRC_ROOT)/common/makefiles/support/ListPathsSafely-post-compress.incl))
	compress_paths=$(compress_pre)\
	$(subst $(SRC_ROOT),X97,\
	$(subst $(OUTPUT_ROOT),X98,\
	$(subst X,X00,\
	$(subst $(SPACE),\n,$(strip $1)))))\
	$(compress_post)

	decompress_paths=$(SED) -f $(SRC_ROOT)/common/makefiles/support/ListPathsSafely-uncompress.sed -e 's\|X99\|\\n\|g' \
	-e 's\|X98\|$(OUTPUT_ROOT)\|g' -e 's\|X97\|$(SRC_ROOT)\|g' \
	-e 's\|X00\|X\|g' \| tr '\n' '$2'

	define ListPathsSafely_If
	$(if $(word $3,$($1)),$(eval $1_LPS$3:=$(call compress_paths,$(wordlist $3,$4,$($1)))))
	endef

	define ListPathsSafely_Printf
	$(if $(strip $($1_LPS$4)),printf -- "$(strip $($1_LPS$4))\n" \| $(decompress_paths) $3)
	endef

	# Receipt example:
	# rm -f thepaths
	# $(call ListPathsSafely,THEPATHS,\n, >> thepaths)
	# The \n argument means translate spaces into \n
	# if instead , , (a space) is supplied, then spaces remain spaces.
	define ListPathsSafely
	$(if $(word 16001,$($1)),$(error Cannot list safely more than 16000 paths. $1 has $(words $($1)) paths!))
	$(call ListPathsSafely_If,$1,$2,1,250)
	$(call ListPathsSafely_If,$1,$2,251,500)
	$(call ListPathsSafely_If,$1,$2,501,750)
	$(call ListPathsSafely_If,$1,$2,751,1000)

	$(call ListPathsSafely_If,$1,$2,1001,1250)
	$(call ListPathsSafely_If,$1,$2,1251,1500)
	$(call ListPathsSafely_If,$1,$2,1501,1750)
	$(call ListPathsSafely_If,$1,$2,1751,2000)

	$(call ListPathsSafely_If,$1,$2,2001,2250)
	$(call ListPathsSafely_If,$1,$2,2251,2500)
	$(call ListPathsSafely_If,$1,$2,2501,2750)
	$(call ListPathsSafely_If,$1,$2,2751,3000)

	$(call ListPathsSafely_If,$1,$2,3001,3250)
	$(call ListPathsSafely_If,$1,$2,3251,3500)
	$(call ListPathsSafely_If,$1,$2,3501,3750)
	$(call ListPathsSafely_If,$1,$2,3751,4000)

	$(call ListPathsSafely_If,$1,$2,4001,4250)
	$(call ListPathsSafely_If,$1,$2,4251,4500)
	$(call ListPathsSafely_If,$1,$2,4501,4750)
	$(call ListPathsSafely_If,$1,$2,4751,5000)

	$(call ListPathsSafely_If,$1,$2,5001,5250)
	$(call ListPathsSafely_If,$1,$2,5251,5500)
	$(call ListPathsSafely_If,$1,$2,5501,5750)
	$(call ListPathsSafely_If,$1,$2,5751,6000)

	$(call ListPathsSafely_If,$1,$2,6001,6250)
	$(call ListPathsSafely_If,$1,$2,6251,6500)
	$(call ListPathsSafely_If,$1,$2,6501,6750)
	$(call ListPathsSafely_If,$1,$2,6751,7000)

	$(call ListPathsSafely_If,$1,$2,7001,7250)
	$(call ListPathsSafely_If,$1,$2,7251,7500)
	$(call ListPathsSafely_If,$1,$2,7501,7750)
	$(call ListPathsSafely_If,$1,$2,7751,8000)

	$(call ListPathsSafely_If,$1,$2,8001,8250)
	$(call ListPathsSafely_If,$1,$2,8251,8500)
	$(call ListPathsSafely_If,$1,$2,8501,8750)
	$(call ListPathsSafely_If,$1,$2,8751,9000)

	$(call ListPathsSafely_If,$1,$2,9001,9250)
	$(call ListPathsSafely_If,$1,$2,9251,9500)
	$(call ListPathsSafely_If,$1,$2,9501,9750)
	$(call ListPathsSafely_If,$1,$2,9751,10000)

	$(call ListPathsSafely_If,$1,$2,10001,10250)
	$(call ListPathsSafely_If,$1,$2,10251,10500)
	$(call ListPathsSafely_If,$1,$2,10501,10750)
	$(call ListPathsSafely_If,$1,$2,10751,11000)

	$(call ListPathsSafely_If,$1,$2,11001,11250)
	$(call ListPathsSafely_If,$1,$2,11251,11500)
	$(call ListPathsSafely_If,$1,$2,11501,11750)
	$(call ListPathsSafely_If,$1,$2,11751,12000)

	$(call ListPathsSafely_If,$1,$2,12001,12250)
	$(call ListPathsSafely_If,$1,$2,12251,12500)
	$(call ListPathsSafely_If,$1,$2,12501,12750)
	$(call ListPathsSafely_If,$1,$2,12751,13000)

	$(call ListPathsSafely_If,$1,$2,13001,13250)
	$(call ListPathsSafely_If,$1,$2,13251,13500)
	$(call ListPathsSafely_If,$1,$2,13501,13750)
	$(call ListPathsSafely_If,$1,$2,13751,14000)

	$(call ListPathsSafely_If,$1,$2,14001,14250)
	$(call ListPathsSafely_If,$1,$2,14251,14500)
	$(call ListPathsSafely_If,$1,$2,14501,14750)
	$(call ListPathsSafely_If,$1,$2,14751,15000)

	$(call ListPathsSafely_If,$1,$2,15001,15250)
	$(call ListPathsSafely_If,$1,$2,15251,15500)
	$(call ListPathsSafely_If,$1,$2,15501,15750)
	$(call ListPathsSafely_If,$1,$2,15751,16000)

	$(call ListPathsSafely_Printf,$1,$2,$3,1)
	$(call ListPathsSafely_Printf,$1,$2,$3,251)
	$(call ListPathsSafely_Printf,$1,$2,$3,501)
	$(call ListPathsSafely_Printf,$1,$2,$3,751)

	$(call ListPathsSafely_Printf,$1,$2,$3,1001)
	$(call ListPathsSafely_Printf,$1,$2,$3,1251)
	$(call ListPathsSafely_Printf,$1,$2,$3,1501)
	$(call ListPathsSafely_Printf,$1,$2,$3,1751)

	$(call ListPathsSafely_Printf,$1,$2,$3,2001)
	$(call ListPathsSafely_Printf,$1,$2,$3,2251)
	$(call ListPathsSafely_Printf,$1,$2,$3,2501)
	$(call ListPathsSafely_Printf,$1,$2,$3,2751)

	$(call ListPathsSafely_Printf,$1,$2,$3,3001)
	$(call ListPathsSafely_Printf,$1,$2,$3,3251)
	$(call ListPathsSafely_Printf,$1,$2,$3,3501)
	$(call ListPathsSafely_Printf,$1,$2,$3,3751)

	$(call ListPathsSafely_Printf,$1,$2,$3,4001)
	$(call ListPathsSafely_Printf,$1,$2,$3,4251)
	$(call ListPathsSafely_Printf,$1,$2,$3,4501)
	$(call ListPathsSafely_Printf,$1,$2,$3,4751)

	$(call ListPathsSafely_Printf,$1,$2,$3,5001)
	$(call ListPathsSafely_Printf,$1,$2,$3,5251)
	$(call ListPathsSafely_Printf,$1,$2,$3,5501)
	$(call ListPathsSafely_Printf,$1,$2,$3,5751)

	$(call ListPathsSafely_Printf,$1,$2,$3,6001)
	$(call ListPathsSafely_Printf,$1,$2,$3,6251)
	$(call ListPathsSafely_Printf,$1,$2,$3,6501)
	$(call ListPathsSafely_Printf,$1,$2,$3,6751)

	$(call ListPathsSafely_Printf,$1,$2,$3,7001)
	$(call ListPathsSafely_Printf,$1,$2,$3,7251)
	$(call ListPathsSafely_Printf,$1,$2,$3,7501)
	$(call ListPathsSafely_Printf,$1,$2,$3,7751)

	$(call ListPathsSafely_Printf,$1,$2,$3,8001)
	$(call ListPathsSafely_Printf,$1,$2,$3,8251)
	$(call ListPathsSafely_Printf,$1,$2,$3,8501)
	$(call ListPathsSafely_Printf,$1,$2,$3,8751)

	$(call ListPathsSafely_Printf,$1,$2,$3,9001)
	$(call ListPathsSafely_Printf,$1,$2,$3,9251)
	$(call ListPathsSafely_Printf,$1,$2,$3,9501)
	$(call ListPathsSafely_Printf,$1,$2,$3,9751)

	$(call ListPathsSafely_Printf,$1,$2,$3,10001)
	$(call ListPathsSafely_Printf,$1,$2,$3,10251)
	$(call ListPathsSafely_Printf,$1,$2,$3,10501)
	$(call ListPathsSafely_Printf,$1,$2,$3,10751)

	$(call ListPathsSafely_Printf,$1,$2,$3,11001)
	$(call ListPathsSafely_Printf,$1,$2,$3,11251)
	$(call ListPathsSafely_Printf,$1,$2,$3,11501)
	$(call ListPathsSafely_Printf,$1,$2,$3,11751)

	$(call ListPathsSafely_Printf,$1,$2,$3,12001)
	$(call ListPathsSafely_Printf,$1,$2,$3,12251)
	$(call ListPathsSafely_Printf,$1,$2,$3,12501)
	$(call ListPathsSafely_Printf,$1,$2,$3,12751)

	$(call ListPathsSafely_Printf,$1,$2,$3,13001)
	$(call ListPathsSafely_Printf,$1,$2,$3,13251)
	$(call ListPathsSafely_Printf,$1,$2,$3,13501)
	$(call ListPathsSafely_Printf,$1,$2,$3,13751)

	$(call ListPathsSafely_Printf,$1,$2,$3,14001)
	$(call ListPathsSafely_Printf,$1,$2,$3,14251)
	$(call ListPathsSafely_Printf,$1,$2,$3,14501)
	$(call ListPathsSafely_Printf,$1,$2,$3,14751)

	$(call ListPathsSafely_Printf,$1,$2,$3,15001)
	$(call ListPathsSafely_Printf,$1,$2,$3,15251)
	$(call ListPathsSafely_Printf,$1,$2,$3,15501)
	$(call ListPathsSafely_Printf,$1,$2,$3,15751)
	endef

	define ListPathsSafelyNow_IfPrintf
	ifneq (,$$(word $4,$$($1)))
	$$(eval $1_LPS$4:=$$(call compress_paths,$$(wordlist $4,$5,$$($1))))
	$$(shell printf -- "$$(strip $$($1_LPS$4))\n" \| $(decompress_paths) $3)
	endif
	endef

	# And an non-receipt version:
	define ListPathsSafelyNow
	ifneq (,$$(word 10001,$$($1)))
	$$(error Cannot list safely more than 10000 paths. $1 has $$(words $$($1)) paths!)
	endif
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1,250)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,251,500)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,501,750)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,751,1000)

	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1001,1250)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1251,1500)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1501,1750)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,1751,2000)

	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2001,2250)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2251,2500)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2501,2750)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,2751,3000)

	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3001,3250)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3251,3500)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3501,3750)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,3751,4000)

	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4001,4250)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4251,4500)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4501,4750)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,4751,5000)

	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5001,5250)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5251,5500)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5501,5750)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,5751,6000)

	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6001,6250)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6251,6500)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6501,6750)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,6751,7000)

	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7001,7250)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7251,7500)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7501,7750)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,7751,8000)

	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8001,8250)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8251,8500)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8501,8750)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,8751,9000)

	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9001,9250)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9251,9500)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9501,9750)
	$(call ListPathsSafelyNow_IfPrintf,$1,$2,$3,9751,10000)

	endef

	# The source tips can come from the Mercurial repository, or in the files
	# $(HGTIP_FILENAME) which contains the tip but is also positioned in the same
	# directory as the original $(HGDIR) directory.
	# These should not be := assignments, only used from the root Makefile.
	HG_VERSION = $(shell $(HG) version 2> /dev/null)
	HG_DIRECTORY=.hg
	HGTIP_FILENAME=.hgtip
	HG_SEARCH = ./REPO .//REPO .///REPO .////REPO
	REPO_LIST = $(patsubst ./%,%,$(patsubst %/,%,$(sort $(dir \
	$(shell $(CD) $(SRC_ROOT) ; ( $(LS) -d $(HG_SEARCH:%/REPO=%/$(HG_DIRECTORY)) ; \
	$(LS) $(HG_SEARCH:%/REPO=%/$(HGTIP_FILENAME)) ) \
	2> /dev/null)))))

	# Emit the repo:tip pairs to $@
	define GetSourceTips
	$(CD) $(SRC_ROOT) ; \
	for i in $(REPO_LIST) IGNORE ; do \
	if [ "$${i}" = "IGNORE" ] ; then \
	continue; \
	elif [ -d $${i}/$(HG_DIRECTORY) -a "$(HG_VERSION)" != "" ] ; then \
	$(PRINTF) " %s:%s" \
	"$${i}" `$(HG) tip --repository $${i} --template '{node\|short}\n'` ; \
	elif [ -f $${i}/$(HGTIP_FILENAME) ] ; then \
	$(PRINTF) " %s:%s" \
	"$${i}" `$(CAT) $${i}/$(HGTIP_FILENAME)` ; \
	fi; \
	done >> $@
	$(PRINTF) "\n" >> $@
	endef

	# Create the HGTIP_FILENAME file. Called from jdk/make/closed/bundles.gmk
	define CreateHgTip
	$(HG) tip --repository $1 --template '{node\|short}\n' > $1/$(HGTIP_FILENAME);\
	$(ECHO) $1/$(HGTIP_FILENAME)
	endef

	define SetupLogging
	ifeq ($$(LOG), trace)
	# Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
	# For each target executed, will print
	# Building <TARGET> (from <FIRST PREREQUISITE>) (<ALL NEWER PREREQUISITES> newer)
	# but with a limit of 20 on <ALL NEWER PREREQUISITES>, to avoid cluttering logs too much (and causing a crash on Cygwin).
	OLD_SHELL:=$$(SHELL)
	WRAPPER_SHELL:=$$(OLD_SHELL) $$(SRC_ROOT)/common/bin/shell-tracer.sh $$(if $$(TIME),$$(TIME),-) $$(OUTPUT_ROOT)/build-trace-time.log $$(OLD_SHELL)
	SHELL=$$(warning $$(if $$@,Building $$@,Running shell command) $$(if $$<, (from $$<))$$(if $$?, ($$(wordlist 1, 20, $$?) $$(if $$(wordlist 21, 22, $$?), ... [in total $$(words $$?) files]) newer)))$$(WRAPPER_SHELL)
	endif
	# Never remove warning messages; this is just for completeness
	LOG_WARN=
	ifneq ($$(findstring $$(LOG),info debug trace),)
	LOG_INFO=
	else
	LOG_INFO=> /dev/null
	endif
	ifneq ($$(findstring $$(LOG),debug trace),)
	LOG_DEBUG=
	else
	LOG_DEBUG=> /dev/null
	endif
	ifneq ($$(findstring $$(LOG),trace),)
	LOG_TRACE=
	else
	LOG_TRACE=> /dev/null
	endif
	endef

	# Make sure logging is setup for everyone that includes MakeBase.gmk.
	$(eval $(call SetupLogging))

	# This is to be called by all SetupFoo macros
	define LogSetupMacroEntry
	$(if $(26),$(error Internal makefile error: Too many arguments to LogSetupMacroEntry, please update MakeBase.gmk))
	$(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))))))
	endef

	# Make directory without forking mkdir if not needed
	define MakeDir
	ifneq ($$(wildcard $1 $2 $3 $4 $5 $6 $7 $8 $9),$$(strip $1 $2 $3 $4 $5 $6 $7 $8 $9))
	$$(shell $(MKDIR) -p $1 $2 $3 $4 $5 $6 $7 $8 $9)
	endif
	endef

	ifeq ($(OPENJDK_TARGET_OS),solaris)
	# On Solaris, if the target is a symlink and exists, cp won't overwrite.
	define install-file
	$(MKDIR) -p $(@D)
	$(RM) '$@'
	$(CP) -f -r -P '$<' '$(@D)'
	endef
	else ifeq ($(OPENJDK_TARGET_OS),macosx)
	define install-file
	$(MKDIR) -p $(@D)
	$(CP) -fpRP '$<' '$@'
	endef
	else
	define install-file
	$(MKDIR) -p $(@D)
	$(CP) -fP '$<' '$@'
	endef
	endif

	# Convenience functions for working around make's limitations with $(filter ).
	containing = $(foreach v,$2,$(if $(findstring $1,$v),$v))
	not-containing = $(foreach v,$2,$(if $(findstring $1,$v),,$v))

	################################################################################
	# In Cygwin, finds are very costly, both because of expensive forks and because
	# of bad file system caching. Find is used extensively in $(shell) commands to
	# find source files. This makes rerunning make with no or few changes rather
	# expensive. To speed this up, these two macros are used to cache the results
	# of simple find commands for reuse.
	#
	# Runs a find and stores both the directories where it was run and the results.
	# This macro can be called multiple times to add to the cache. Only finds files
	# with no filters.
	#
	# Needs to be called with $(eval )
	#
	# Param 1 - Dir to find in
	ifeq ($(OPENJDK_BUILD_OS),windows)
	define FillCacheFind
	FIND_CACHE_DIR += $1
	FIND_CACHE := $$(sort $$(FIND_CACHE) $$(shell $(FIND) $1 -type f -o -type l))
	endef
	else
	define FillCacheFind
	endef
	endif

	# Mimics find by looking in the cache if all of the directories have been cached.
	# Otherwise reverts to shell find. This is safe to call on all platforms, even if
	# cache is deactivated.
	#
	# The extra - is needed when FIND_CACHE_DIR is empty but should be harmless.
	# Param 1 - Dirs to find in
	define CacheFind
	$(if $(filter-out $(addsuffix %,- $(FIND_CACHE_DIR)),$1),\
	$(shell $(FIND) $1 -type f -o -type l),\
	$(filter $(addsuffix %,$1),$(FIND_CACHE)))
	endef

	################################################################################

	endif # _MAKEBASE_GMK