#
# Copyright (c) 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.
#

# Utilities used in this Makefile
BASENAME=basename
CAT=cat
CD=cd
CMP=cmp
CP=cp
ECHO=echo
MKDIR=mkdir
PRINTF=printf
PWD=pwd
TAR=tar
ifeq ($(PLATFORM),windows)
  ZIP=zip
else
  # store symbolic links as the link
  ZIP=zip -y
endif
# Insure we have a path that looks like it came from pwd
#   (This is mostly for Windows sake and drive letters)
define UnixPath # path
$(shell (cd "$1" && $(PWD)))
endef

# Current root directory
CURRENT_DIRECTORY := $(shell $(PWD))

# Build directory root
BUILD_DIR_ROOT = $(CURRENT_DIRECTORY)/build

# All configured Makefiles to run
ALL_MAKEFILES = $(wildcard $(BUILD_DIR_ROOT)/*-*/Makefile)

# All bundles to create
ALL_IMAGE_DIRS = $(wildcard $(BUILD_DIR_ROOT)/*-*/images/*-image)

# Build all the standard 'all', 'images', and 'clean' targets
all images clean: checks
	@if [ "$(ALL_MAKEFILES)" = "" ] ; then \
	  $(ECHO) "ERROR: No configurations to build"; exit 1; \
	fi
	@for bdir in $(dir $(ALL_MAKEFILES)) ; do \
	  $(ECHO) "$(CD) $${bdir} && $(MAKE) $@" ; \
	  $(CD) $${bdir} && $(MAKE) $@ ; \
	done

# TBD: Deploy input
$(BUILD_DIR_ROOT)/.deploy_input:
	@if [ "$(ALL_MAKEFILES)" = "" ] ; then \
	  $(ECHO) "ERROR: No configurations to build"; exit 1; \
	fi
	@for bdir in $(dir $(ALL_MAKEFILES)) ; do \
	  if [ deploy/make/Makefile ] ; then \
	    echo "Attempting deploy build." ; \
	    ( \
	      $(RM) -r $${bdir}/deploy_input ; \
	      $(MKDIR) -p $${bdir}/deploy_input ; \
	      ( $(CD) $${bdir}/images && $(TAR) -cf - j2sdk-image j2re-image ) \
	        | ( $(CD) $${bdir}/deploy_input && $(TAR) -xf - ) ; \
	    ) ; \
	  fi; \
	done
	touch $@

# TBD: Deploy images
deploy: $(BUILD_DIR_ROOT)/.deploy_input
	@if [ "$(ALL_MAKEFILES)" = "" ] ; then \
	  $(ECHO) "ERROR: No configurations to build"; exit 1; \
	fi
	@for bdir in $(dir $(ALL_MAKEFILES)) ; do \
	  if [ deploy/make/Makefile ] ; then \
	    echo "Attempting deploy build." ; \
	    ( \
	      $(CD) deploy/make && \
	      $(MAKE) \
	        ABS_OUTPUTDIR=$${bdir}/deploy_input \
	        OUTPUTDIR=$${bdir}/deploy_input \
	    ) ; \
	  fi; \
	done

# TBD: Install bundles
install:

# Bundle creation
bundles:
	@if [ "$(ALL_IMAGE_DIRS)" = "" ] ; then \
	  $(ECHO) "ERROR: No images to bundle"; exit 1; \
	fi
	@for i in $(ALL_IMAGE_DIRS) ; do \
          $(MKDIR) -p $${i}/../../bundles && \
          $(RM) $${i}/../../bundles/`$(BASENAME) $${i}`.zip && \
	  $(ECHO) "$(CD) $${i} && $(ZIP) -q -r ../../bundles/`$(BASENAME) $${i}`.zip ."  && \
	  $(CD) $${i} && $(ZIP) -q -r ../../bundles/`$(BASENAME) $${i}`.zip . ; \
	done

# Clobber all the built files
clobber::
	$(RM) -r $(BUILD_DIR_ROOT)

# Make various checks to insure the build will be successful
#   Possibilities:
#     * Check that if any closed repo is provided, they all must be.
#     * Check that all open repos exist, at least until we are ready for some
#       kind of partial build.
checks:
	@$(ECHO) "No checks yet"

# Keep track of user targets
USER_TARGETS += all deploy install images clean clobber checks

###########################################################################
# To help in adoption of the new configure&&make build process, a bridge
#   build will use the old settings to run configure and do the build.

# Build with the configure bridge
bridgeBuild: bridge2configure images

# Bridge from old Makefile ALT settings to configure options
bridge2configure: $(BUILD_DIR_ROOT)/.bridge2configureOpts
	bash ./configure $(strip $(shell $(CAT) $<))

# Create a file with configure options created from old Makefile mechanisms.
$(BUILD_DIR_ROOT)/.bridge2configureOpts: $(BUILD_DIR_ROOT)/.bridge2configureOptsLatest
	$(RM) $@
	$(CP) $< $@

# Use this file to only change when obvious things have changed
$(BUILD_DIR_ROOT)/.bridge2configureOptsLatest: FRC
	$(RM) $@.tmp
	$(MKDIR) -p $(BUILD_DIR_ROOT)
	@$(ECHO) " --with-debug-level=$(if $(DEBUG_LEVEL),$(DEBUG_LEVEL),release) " >> $@.tmp
ifdef ARCH_DATA_MODEL
	@$(ECHO) " --with-target-bits=$(ARCH_DATA_MODEL) " >> $@.tmp
endif
ifdef ALT_PARALLEL_COMPILE_JOBS
	@$(ECHO) " --with-num-cores=$(ALT_PARALLEL_COMPILE_JOBS) " >> $@.tmp
endif
ifdef ALT_BOOTDIR
	@$(ECHO) " --with-boot-jdk=$(call UnixPath,$(ALT_BOOTDIR)) " >> $@.tmp
endif
ifdef ALT_CUPS_HEADERS_PATH
	@$(ECHO) " --with-cups-include=$(call UnixPath,$(ALT_CUPS_HEADERS_PATH)) " >> $@.tmp
endif
ifdef ALT_FREETYPE_HEADERS_PATH
	@$(ECHO) " --with-freetype=$(call UnixPath,$(ALT_FREETYPE_HEADERS_PATH)/..) " >> $@.tmp
endif
	@if [ -f $@ ] ; then \
          if ! $(CMP) $@ $@.tmp > /dev/null ; then \
            $(CP) $@.tmp $@ ; \
          fi ; \
        else \
          $(CP) $@.tmp $@ ; \
        fi
	$(RM) $@.tmp

# Clobber all the built files
clobber:: bridge2clobber
bridge2clobber::
	$(RM) $(BUILD_DIR_ROOT)/.bridge2*
	$(RM) $(BUILD_DIR_ROOT)/.deploy_input

# Keep track of phony targets
PHONY_LIST += bridge2configure bridgeBuild bridge2clobber

###########################################################################
# Sanity checks (history target)
#

sanity: checks

# Keep track of user targets
USER_TARGETS += sanity

###########################################################################
# Javadocs
#

javadocs:
	cd common/makefiles && $(MAKE) -f MakefileJavadoc.gmk

# Keep track of user targets
USER_TARGETS += javadocs

###########################################################################
# JPRT targets

ifndef JPRT_ARCHIVE_BUNDLE
  JPRT_ARCHIVE_BUNDLE=/tmp/jprt_bundles/j2sdk-image.zip
endif

jprt_build_product: DEBUG_LEVEL=release
jprt_build_product: BUILD_DIRNAME=*-release
jprt_build_product: jprt_build_generic

jprt_build_fastdebug: DEBUG_LEVEL=fastdebug
jprt_build_fastdebug: BUILD_DIRNAME=*-fastdebug
jprt_build_fastdebug: jprt_build_generic

jprt_build_debug: DEBUG_LEVEL=slowdebug
jprt_build_debug: BUILD_DIRNAME=*-debug
jprt_build_debug: jprt_build_generic

jprt_build_generic: $(JPRT_ARCHIVE_BUNDLE)

$(JPRT_ARCHIVE_BUNDLE): bridgeBuild bundles
	$(MKDIR) -p $(@D)
	$(RM) $@
	$(CP) $(BUILD_DIR_ROOT)/$(BUILD_DIRNAME)/bundles/j2sdk-image.zip $@

# Keep track of phony targets
PHONY_LIST += jprt_build_product jprt_build_fastdebug jprt_build_debug \
              jprt_build_generic

###########################################################################
# Help target

HELP_FORMAT=%12s%s\n

help:
	@$(PRINTF) "# JDK Makefile\n"
	@$(PRINTF) "#\n"
	@$(PRINTF) "# Usage: make [Target]\n"
	@$(PRINTF) "#\n"
	@$(PRINTF) "#   $(HELP_FORMAT)" "Target   " "Description"
	@$(PRINTF) "#   $(HELP_FORMAT)" "------   " "-----------"
	@for i in $(USER_TARGETS) ; do \
	  $(MAKE) help_$${i} ; \
	done
	@$(PRINTF) "#\n"

help_all:
	@$(PRINTF) "#   $(HELP_FORMAT)" "$(subst help_,,$@) - " \
	"Build the entire jdk but not the images"
help_images:
	@$(PRINTF) "#   $(HELP_FORMAT)" "$(subst help_,,$@) - " \
	"Create the jdk images for the builds"
help_deploy:
	@$(PRINTF) "#   $(HELP_FORMAT)" "$(subst help_,,$@) - " \
	"Create the jdk deploy images from the jdk images"
help_install:
	@$(PRINTF) "#   $(HELP_FORMAT)" "$(subst help_,,$@) - " \
	"Create the jdk install bundles from the deploy images"
help_clean:
	@$(PRINTF) "#   $(HELP_FORMAT)" "$(subst help_,,$@) - " \
	"Clean and prepare for a fresh build from scratch"
help_clobber:
	@$(PRINTF) "#   $(HELP_FORMAT)" "$(subst help_,,$@) - " \
	"Clean and also purge any hidden derived data"
help_checks:
	@$(PRINTF) "#   $(HELP_FORMAT)" "$(subst help_,,$@) - " \
	"Perform various checks to make sure we can build"
help_sanity:
	@$(PRINTF) "#   $(HELP_FORMAT)" "$(subst help_,,$@) - " \
	"Same as 'make checks'"
help_javadocs:
	@$(PRINTF) "#   $(HELP_FORMAT)" "$(subst help_,,$@) - " \
	"Build the javadocs"
help_help:
	@$(PRINTF) "#   $(HELP_FORMAT)" "$(subst help_,,$@) - " \
	"Print out the help messages"

# Keep track of user targets
USER_TARGETS += help

###########################################################################
# Phony targets
.PHONY: $(PHONY_LIST) $(USER_TARGETS)

# Force target
FRC: