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Java example source code file (MakeBase.gmk)

This example Java source code file (MakeBase.gmk) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

gnu, hgtip_filename, license, listpathssafely_if, listpathssafely_printf, listpathssafelynow_ifprintf, log_level, mkdir, oracle, repo, src_root, this

The MakeBase.gmk Java example source code

#
# 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 ($$(LOG_LEVEL),trace)
    # Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
    # For each target executed, will print
    # Building <TARGET> (from ) ( newer)
    # but with a limit of 20 on <ALL NEWER PREREQUISITES>, to avoid cluttering logs too much
    # (and causing a crash on Cygwin).
    # Default shell seems to always be /bin/sh. Must override with bash to get this to work on Solaris.
    # Only use time if it's GNU time which supports format and output file.
    WRAPPER_SHELL:=/bin/bash $$(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)/$(

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