diff make/common/MakeBase.gmk @ 910:a667caba1e84

8027566: Remove the old build system Reviewed-by: erikj, tbell
author ihse
date Thu, 14 Nov 2013 10:53:23 +0100
parents common/makefiles/MakeBase.gmk@6274d4cd22d3
children 01cc48ed67f3
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/common/MakeBase.gmk	Thu Nov 14 10:53:23 2013 +0100
@@ -0,0 +1,449 @@
+#
+# 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) $(SRC_ROOT)/make/common/support/ListPathsSafely-pre-compress.incl))
+compress_post:=$(strip $(shell $(CAT) $(SRC_ROOT)/make/common/support/ListPathsSafely-post-compress.incl))
+compress_paths=$(compress_pre)\
+$(subst $(SRC_ROOT),X97,\
+$(subst $(OUTPUT_ROOT),X98,\
+$(subst X,X00,\
+$(subst $(SPACE),\n,$(strip $1)))))\
+$(compress_post)
+
+decompress_paths=$(SED) -f $(SRC_ROOT)/make/common/support/ListPathsSafely-uncompress.sed -e 's|X99|\\n|g' \
+    -e 's|X98|$(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$4)),$(if $(findstring $(LOG_LEVEL),trace),,@)printf \
+	    -- "$(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!))
+	$(ECHO) $(LOG_DEBUG) Writing $(words $($1)) paths to '$3'
+	$(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_LEVEL),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).
+    # Default shell seems to always be /bin/sh. Must override with bash to get this to work on Solaris.
+    # Only use time if it's GNU time which supports format and output file.
+    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
+    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 $$(LOG_LEVEL),info debug trace),)
+    LOG_INFO=
+  else
+    LOG_INFO=> /dev/null
+  endif
+  ifneq ($$(findstring $$(LOG_LEVEL),debug trace),)
+    LOG_DEBUG=
+  else
+    LOG_DEBUG=> /dev/null
+  endif
+  ifneq ($$(findstring $$(LOG_LEVEL),trace),)
+    LOG_TRACE=
+  else
+    LOG_TRACE=> /dev/null
+  endif
+endef
+
+# Make sure logging is setup for everyone that includes MakeBase.gmk.
+$(eval $(call SetupLogging))
+
+# This is to be called by all SetupFoo macros
+define LogSetupMacroEntry
+  $(if $(27),$(error Internal makefile error: Too many arguments to LogSetupMacroEntry, please update MakeBase.gmk))
+  $(if $(findstring $(LOG_LEVEL),debug trace), $(info $1 $(foreach i,2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26,$(if $($i),$(NEWLINE) $(strip [$i] $($i))))))
+endef
+
+# Make directory without forking mkdir if not needed
+define MakeDir
+  ifneq ($$(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.
+  # Cp has to operate in recursive mode to allow for -P flag, to preserve soft links. If the
+  # name of the target file differs from the source file, rename after copy.
+  define install-file
+	$(MKDIR) -p $(@D)
+	$(RM) '$@'
+	$(CP) -f -r -P '$<' '$(@D)'
+	if [ "$(@F)" != "$(<F)" ]; then $(MV) '$(@D)/$(<F)' '$@'; fi
+  endef
+else ifeq ($(OPENJDK_TARGET_OS),macosx)
+  # On mac, extended attributes sometimes creep into the source files, which may later
+  # cause the creation of ._* files which confuses testing. Clear these with xattr if
+  # set. Some files get their write permissions removed after being copied to the
+  # output dir. When these are copied again to images, xattr would fail. By only clearing
+  # attributes when they are present, failing on this is avoided.
+  define install-file
+	$(MKDIR) -p $(@D)
+	$(CP) -fRP '$<' '$@'
+	if [ -n "`$(XATTR) -l '$@'`" ]; then $(XATTR) -c '$@'; fi
+  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