############################################################################
#
# Makefile -- Top level uClinux makefile.
#
# Copyright (c) 2001-2004, SnapGear (www.snapgear.com)
# Copyright (c) 2001, Lineo1
# 23.a

FWVERSION = 1.0.23.a
VERSIONPKG = 3.2.0
VERSIONSTR = $(CONFIG_VENDOR)/$(CONFIG_PRODUCT) Version $(VERSIONPKG)

WHOAMI  = $(shell whoami)

############################################################################
#
# Lets work out what the user wants, and if they have configured us yet.
#

ifeq (.config,$(wildcard .config))

ifeq (${WHOAMI},root)
all: config_user_error
else
include .config
#changed by Steven Liu
#all: ucfront cksum subdirs romfs image
#all: lib_only uClibc++_only user_only modules romfs linux image
all: lib_only user_only modules romfs linux image
endif	
else
all: config_error
endif

############################################################################
#
# Get the core stuff worked out
#

LINUXDIR = $(CONFIG_LINUXDIR)
LIBCDIR  = $(CONFIG_LIBCDIR)
ROOTDIR  = $(shell pwd)
PATH	 := $(PATH):$(ROOTDIR)/tools
HOSTCC   = cc
IMAGEDIR = $(ROOTDIR)/images
ROMFSDIR = $(ROOTDIR)/romfs
ROMFSINST= romfs-inst.sh
SCRIPTSDIR = $(ROOTDIR)/config/scripts
TFTPDIR    = /tftpboot
BUILD_START_STRING ?= $(shell date "+%a, %d %b %Y %T %z")
PROFILEDIR = $(ROOTDIR)/profile
PRODUCTDIR = $(ROOTDIR)/vendors/$(CONFIG_VENDOR)/$(CONFIG_PRODUCT)
LIBDIR	= $(ROOTDIR)/lib/lib

#Added by Steven 
# In linux-2.6, it do not support VPATH in Makefile.
# But we need to use drivers/net/wireless/rt2860v2 to build ap and sta driver.
# Workaround: Don't build ap and sta driver at the same time.

ifeq ($(LINUXDIR),linux-2.6.21.x)
HOST_NCPU := 1 
else 
HOST_NCPU := $(shell if [ -f /proc/cpuinfo ]; then n=`grep -c processor /proc/cpuinfo`; if [ $$n -gt 1 ];then expr $$n \* 2; else echo $$n; fi; else echo 1; fi)  
endif
#--

LINUX_CONFIG  = $(ROOTDIR)/$(LINUXDIR)/.config
CONFIG_CONFIG = $(ROOTDIR)/config/.config
MODULES_CONFIG = $(ROOTDIR)/modules/.config


CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
	  else if [ -x /bin/bash ]; then echo /bin/bash; \
	  else echo sh; fi ; fi)

ifeq (config.arch,$(wildcard config.arch))
ifeq ($(filter %_default, $(MAKECMDGOALS)),)
include config.arch
ARCH_CONFIG = $(ROOTDIR)/config.arch
export ARCH_CONFIG
endif
endif

# May use a different compiler for the kernel
KERNEL_CROSS_COMPILE ?= $(CROSS_COMPILE)
ifneq ($(SUBARCH),)
# Using UML, so make the kernel and non-kernel with different ARCHs
MAKEARCH = $(MAKE) ARCH=$(SUBARCH) CROSS_COMPILE=$(CROSS_COMPILE)
MAKEARCH_KERNEL = $(MAKE) ARCH=$(ARCH) SUBARCH=$(SUBARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE)
else
MAKEARCH = $(MAKE) ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE)
MAKEARCH_KERNEL = $(MAKEARCH)  ARCH=$(ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE)
endif
#DIRS    =  $(ROOTDIR)/vendors include lib uClibc++ user
DIRS    =  $(ROOTDIR)/vendors include lib user

export VENDOR PRODUCT ROOTDIR LINUXDIR HOSTCC CONFIG_SHELL
export CONFIG_CONFIG LINUX_CONFIG MODULES_CONFIG ROMFSDIR SCRIPTSDIR
export VERSIONPKG VERSIONSTR ROMFSINST PATH IMAGEDIR RELFILES TFTPDIR LIBDIR
export BUILD_START_STRING FWVERSION
export HOST_NCPU

.PHONY: ucfront
ucfront: tools/ucfront/*.c
	$(MAKE) -C tools/ucfront
	ln -sf $(ROOTDIR)/tools/ucfront/ucfront tools/ucfront-gcc
	ln -sf $(ROOTDIR)/tools/ucfront/ucfront tools/ucfront-g++
	ln -sf $(ROOTDIR)/tools/ucfront/ucfront-ld tools/ucfront-ld

.PHONY: cksum
cksum: tools/sg-cksum/*.c
	$(MAKE) -C tools/sg-cksum
	ln -sf $(ROOTDIR)/tools/sg-cksum/cksum tools/cksum

.PHONY: gpl gpl_start gpl_end

#gpl: gpl_start lib_only uClibc++_only user_only modules user_gpl lib_gpl modules_gpl gpl_end clean
gpl: gpl_start lib_only user_only modules user_gpl lib_gpl modules_gpl gpl_end clean
	rm -rf uClibc++

user_gpl:
	$(MAKE) -C user gpl

lib_gpl:
	$(MAKE) -C lib gpl

gpl_end:
	@if [ -e GPL_RELEASE ]; then \
		rm -f GPL_RELEASE; \
		echo GPL finished!;\
	fi;

gpl_start:
	@if [ ! -e GPL_RELEASE ]; then \
		echo It\'s already GPL code!; \
		exit 1; \
	fi;

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

#
# Config stuff,  we recall ourselves to load the new config.arch before
# running the kernel and other config scripts
#

.PHONY: config.tk config.in

config.in:
	@chmod u+x config/mkconfig
	config/mkconfig > config.in

config.tk: config.in
	$(MAKE) -C $(SCRIPTSDIR) tkparse
	ARCH=dummy $(SCRIPTSDIR)/tkparse < config.in > config.tmp
	@if [ -f /usr/local/bin/wish ];	then \
		echo '#!'"/usr/local/bin/wish -f" > config.tk; \
	else \
		echo '#!'"/usr/bin/wish -f" > config.tk; \
	fi
	cat $(SCRIPTSDIR)/header.tk >> ./config.tk
	cat config.tmp >> config.tk
	rm -f config.tmp
	echo "set defaults \"/dev/null\"" >> config.tk
	echo "set help_file \"config/Configure.help\"" >> config.tk
	cat $(SCRIPTSDIR)/tail.tk >> config.tk
	chmod 755 config.tk

.PHONY: xconfig
xconfig: config.tk
	@wish -f config.tk
	@if [ ! -f .config ]; then \
		echo; \
		echo "You have not saved your config, please re-run make config"; \
		echo; \
		exit 1; \
	 fi
	@chmod u+x config/setconfig
	@config/setconfig defaults
	@if egrep "^CONFIG_DEFAULTS_KERNEL=y" .config > /dev/null; then \
		$(MAKE) linux_xconfig; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_MODULES=y" .config > /dev/null; then \
		$(MAKE) modules_xconfig; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_VENDOR=y" .config > /dev/null; then \
		$(MAKE) config_xconfig; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_BUSYBOX=y" .config > /dev/null; then \
		$(MAKE) -C user/busybox menuconfig; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_UCLIBC=y" .config > /dev/null; then \
		$(MAKE) -C lib menuconfig; \
	 fi
#	@if egrep "^CONFIG_DEFAULTS_UCLIBC_PLUS_PLUS=y" .config > /dev/null; then \
#		$(MAKE) -C uClibc++ menuconfig; \
#	 fi
	@config/setconfig final

.PHONY: config
config: config.in
	@HELP_FILE=config/Configure.help \
		$(CONFIG_SHELL) $(SCRIPTSDIR)/Configure config.in
	@chmod u+x config/setconfig
	@config/setconfig defaults
	@if egrep "^CONFIG_DEFAULTS_KERNEL=y" .config > /dev/null; then \
		$(MAKE) linux_config; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_MODULES=y" .config > /dev/null; then \
		$(MAKE) modules_config; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_VENDOR=y" .config > /dev/null; then \
		$(MAKE) config_config; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_BUSYBOX=y" .config > /dev/null; then \
		$(MAKE) -C user/busybox menuconfig; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_UCLIBC=y" .config > /dev/null; then \
		$(MAKE) -C lib menuconfig; \
	 fi
#	@if egrep "^CONFIG_DEFAULTS_UCLIBC_PLUS_PLUS=y" .config > /dev/null; then \
#		$(MAKE) -C uClibc++ menuconfig; \
#	 fi
	@config/setconfig final

.PHONY: menuconfig
menuconfig: config.in
	$(MAKE) -C $(SCRIPTSDIR)/lxdialog all
	@HELP_FILE=config/Configure.help \
		$(CONFIG_SHELL) $(SCRIPTSDIR)/Menuconfig config.in
	@if [ ! -f .config ]; then \
		echo; \
		echo "You have not saved your config, please re-run make config"; \
		echo; \
		exit 1; \
	 fi
	@chmod u+x config/setconfig
	@config/setconfig defaults
	@if egrep "^CONFIG_DEFAULTS_KERNEL=y" .config > /dev/null; then \
		$(MAKE) linux_menuconfig; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_MODULES=y" .config > /dev/null; then \
		$(MAKE) modules_menuconfig; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_VENDOR=y" .config > /dev/null; then \
		$(MAKE) config_menuconfig; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_BUSYBOX=y" .config > /dev/null; then \
		$(MAKE) -C user/busybox menuconfig; \
	 fi
	@if egrep "^CONFIG_DEFAULTS_UCLIBC=y" .config > /dev/null; then \
		$(MAKE) -C lib menuconfig; \
	 fi
#	@if egrep "^CONFIG_DEFAULTS_UCLIBC_PLUS_PLUS=y" .config > /dev/null; then \
#		$(MAKE) -C uClibc++ menuconfig; \
#	 fi
	@config/setconfig final

.PHONY: oldconfig
oldconfig: config.in
	@HELP_FILE=config/Configure.help \
		$(CONFIG_SHELL) $(SCRIPTSDIR)/Configure -d config.in
	@$(MAKE) oldconfig_linux
	@$(MAKE) oldconfig_modules
	@$(MAKE) oldconfig_config
	@chmod u+x config/setconfig
	@config/setconfig final

.PHONY: modules
modules:
	. $(LINUXDIR)/.config; if [ "$$CONFIG_MODULES" = "y" ]; then \
		[ -d gpl_modules ] || mkdir gpl_modules; \
		$(MAKEARCH_KERNEL) -C $(LINUXDIR) modules; \
	fi
	# Perry: Move Our modules to linux/modules, then strip them.
	find $(LINUXDIR)/drivers/gemtek/ -name "*.ko" -exec cp {} ./gpl_modules \;
	find $(LINUXDIR)/drivers/net/raeth -name "*.ko" -exec cp {} ./gpl_modules \;
	find ./gpl_modules -type f -name "*o" | xargs -r $(STRIP) -R .comment -R .note -g --strip-unneeded;

.PHONY: modules_install
modules_install:
	# Perry: First, copy all Linux modules to romfs/lib/.. and strip them. All these are using the normal linux method
	. $(LINUXDIR)/.config; if [ "$$CONFIG_MODULES" = "y" ]; then \
		[ -d $(ROMFSDIR)/lib/modules ] || mkdir -p $(ROMFSDIR)/lib/modules; \
		$(MAKEARCH_KERNEL) -C $(LINUXDIR) INSTALL_MOD_PATH=$(ROMFSDIR) DEPMOD="../user/busybox/examples/depmod.pl" modules_install; \
		rm -f $(ROMFSDIR)/lib/modules/*/build; \
		rm -f $(ROMFSDIR)/lib/modules/*/source; \
		find $(ROMFSDIR)/lib/modules -type f -name "*o" | xargs -r $(STRIP) -R .comment -R .note -g --strip-unneeded; \
	fi
	# Perry: Second, Copy our packages to target and strip them.
	if [ ! -e GPL_RELEASE ]; then \
		mkdir -p $(ROMFSDIR)/lib/modules/2.6.21/kernel/drivers/gemtek; \
		cp ./gpl_modules/*.ko $(ROMFSDIR)/lib/modules/2.6.21/kernel/drivers/gemtek/; \
		user/busybox/examples/depmod.pl -b romfs/lib/modules/2.6.21/ -F linux-2.6.21.x/System.map; \
	fi;




.PHONY: modules_gpl
modules_gpl:
	# remove gemtek modules
	find $(LINUXDIR)/drivers/gemtek/ -name "*.[cho]" -exec rm {} \;
	# remove ralink modules
	find $(LINUXDIR)/drivers/net/wireless/rt2860v2 -name "*.[cho]" -exec rm {} \;
	#find $(LINUXDIR)/drivers/net/raeth -name "*.[cho]" -exec rm {} \;
	@if [ -e $(LINUXDIR)/GPL_RELEASE ]; then \
		rm -f $(LINUXDIR)/GPL_RELEASE; \
	fi;

cs_menuconfig:
	[ ! -d user/config_server ] || $(MAKEARCH) -C user/config_server menuconfig
linux_xconfig:
	KCONFIG_NOTIMESTAMP=1 $(MAKEARCH_KERNEL) -C $(LINUXDIR) xconfig
linux_menuconfig:
	KCONFIG_NOTIMESTAMP=1 $(MAKEARCH_KERNEL) -C $(LINUXDIR) menuconfig
linux_config:
	KCONFIG_NOTIMESTAMP=1 $(MAKEARCH_KERNEL) -C $(LINUXDIR) config
modules_xconfig:
	[ ! -d modules ] || $(MAKEARCH) -C modules xconfig
modules_menuconfig:
	[ ! -d modules ] || $(MAKEARCH) -C modules menuconfig
modules_config:
	[ ! -d modules ] || $(MAKEARCH) -C modules config
modules_clean:
	-[ ! -d modules ] || $(MAKEARCH) -C modules clean
busybox_xconfig:
	[ ! -d user/busybox ] || $(MAKEARCH) -C user/busybox xconfig
busybox_menuconfig:
	[ ! -d user/busybox ] || $(MAKEARCH) -C user/busybox menuconfig
busybox_config:
	[ ! -d user/busybox ] || $(MAKEARCH) -C user/busybox config
busybox_clean:
	-[ ! -d user/busybox ] || $(MAKEARCH) -C user/busybox clean
config_xconfig:
	$(MAKEARCH) -C config xconfig
config_menuconfig:
	$(MAKEARCH) -C config menuconfig
config_config:
	$(MAKEARCH) -C config config
oldconfig_config:
	$(MAKEARCH) -C config oldconfig
oldconfig_modules:
	[ ! -d modules ] || $(MAKEARCH) -C modules oldconfig
oldconfig_linux:
	KCONFIG_NOTIMESTAMP=1 $(MAKEARCH_KERNEL) -C $(LINUXDIR) oldconfig
oldconfig_cs:
	@if [ -e GPL_RELEASE ]; then \
		$(MAKEARCH) -C user/config_server oldconfig; \
	fi


#customer_menuconfig: $(PRODUCTDIR)/defaults/config.in 
#	$(MAKE) -C $(SCRIPTSDIR)/lxdialog all; \
#	@cd $(PRODUCTDIR)/defaults/; \
#	$(CONFIG_SHELL) $(SCRIPTSDIR)/Menuconfig $(PRODUCTDIR)/defaults/config.in; \

############################################################################
#
# normal make targets
#

.PHONY: romfs
romfs: romfs.subdirs modules_install romfs.post

.PHONY: romfs.subdirs
romfs.subdirs:
	rm -rf $(ROMFSDIR)/*
	for dir in vendors $(DIRS) ; do [ ! -d $$dir ] || $(MAKEARCH) -C $$dir romfs || exit 1 ; done

.PHONY: romfs.post
romfs.post:
	$(MAKEARCH) -C vendors romfs.post
	-find $(ROMFSDIR)/. -name CVS | xargs -r rm -rf

.PHONY: image
image:
	[ -d $(IMAGEDIR) ] || mkdir $(IMAGEDIR)
	$(MAKEARCH) -C vendors image
	cp -f $(LINUXDIR)/System.map $(IMAGEDIR)/System.map_$(FWVERSION)
	cp -f $(LINUXDIR)/vmlinux $(IMAGEDIR)/vmlinux_$(FWVERSION)
	cp $(IMAGEDIR)/image-$(FWVERSION) $(TFTPDIR)

.PHONY: release
release:
	make -C release release

%_fullrelease:
	@echo "This target no longer works"
	@echo "Do a make -C release $@"
	exit 1
#
# fancy target that allows a vendor to have other top level
# make targets,  for example "make vendor_flash" will run the
# vendor_flash target in the vendors directory
#

vendor_%:
	$(MAKEARCH) -C vendors $@

.PHONY: linux
linux linux%_only:
	@if [ $(LINUXDIR) = linux-2.4.x -a ! -f $(LINUXDIR)/.depend ] ; then \
		echo "ERROR: you need to do a 'make dep' first" ; \
		exit 1 ; \
	fi
	$(MAKEARCH_KERNEL) -j$(HOST_NCPU) -C $(LINUXDIR) $(LINUXTARGET) || exit 1
	if [ -f $(LINUXDIR)/vmlinux ]; then \
		ln -f $(LINUXDIR)/vmlinux $(LINUXDIR)/linux ; \
	fi

.PHONY: sparse
sparse:
	$(MAKEARCH_KERNEL) -C $(LINUXDIR) C=1 $(LINUXTARGET) || exit 1

.PHONY: sparseall
sparseall:
	$(MAKEARCH_KERNEL) -C $(LINUXDIR) C=2 $(LINUXTARGET) || exit 1

.PHONY: subdirs
#subdirs: lib uClibc++ linux modules
subdirs: lib linux modules
	for dir in $(DIRS) ; do [ ! -d $$dir ] || $(MAKEARCH) -C $$dir || exit 1 ; done

dep:
	@if [ ! -f $(LINUXDIR)/.config ] ; then \
		echo "ERROR: you need to do a 'make config' first" ; \
		exit 1 ; \
	fi
	@if [ $(LINUXDIR) = linux-2.6.21.x ] ; then \
	$(MAKEARCH_KERNEL) -C $(LINUXDIR) prepare ; \
	fi

	$(MAKEARCH_KERNEL) -C $(LINUXDIR) dep

# This one removes all executables from the tree and forces their relinking
.PHONY: relink
relink:
	find user prop vendors -type f -name '*.gdb' | sed 's/^\(.*\)\.gdb/\1 \1.gdb/' | xargs rm -f

clean: modules_clean
	for dir in $(LINUXDIR) $(DIRS); do [ ! -d $$dir ] || $(MAKEARCH) -C $$dir clean ; done
	rm -rf $(ROMFSDIR)/*
	rm -f $(IMAGEDIR)/*
	rm -f config.tk
	rm -f $(LINUXDIR)/linux
	rm -rf $(LINUXDIR)/net/ipsec/alg/libaes $(LINUXDIR)/net/ipsec/alg/perlasm
	rm -f $(LINUXDIR)/arch/mips/ramdisk/*.gz

real_clean mrproper: clean
	-$(MAKEARCH_KERNEL) -C $(LINUXDIR) mrproper
	-$(MAKEARCH) -C config clean
	rm -rf romfs config.in config.arch config.tk images
	rm -f modules/config.tk
	rm -rf .config .config.old .oldconfig autoconf.h

distclean: mrproper
	-$(MAKEARCH_KERNEL) -C $(LINUXDIR) distclean
	-rm -f user/tinylogin/applet_source_list user/tinylogin/config.h

%_only:
	@case "$(@)" in \
	*/*) d=`expr $(@) : '\([^/]*\)/.*'`; \
	     t=`expr $(@) : '[^/]*/\(.*\)'`; \
	     $(MAKEARCH) -C $$d $$t;; \
	*)   $(MAKEARCH) -C $(@:_only=);; \
	esac

#%_clean:
#	@case "$(@)" in \
#	*/*) d=`expr $(@) : '\([^/]*\)/.*'`; \
#	     t=`expr $(@) : '[^/]*/\(.*\)'`; \
#	     $(MAKEARCH) -C $$d $$t;; \
#	*)   $(MAKEARCH) -C $(@:_clean=) clean;; \
#	esac

%_default:
	@if [ ! -f "vendors/$(@:_default=)/config.device" ]; then \
		echo "vendors/$(@:_default=)/config.device must exist first"; \
		exit 1; \
	 fi
	-make clean > /dev/null 2>&1
	cp vendors/$(@:_default=)/config.device .config
	chmod u+x config/setconfig
	yes "" | config/setconfig defaults
	config/setconfig final
	make dep
	make

config_user_error:
	@echo "*************************************************"
	@echo "Please don't use super user 'root' to make this project."
	@echo "*************************************************"
	@exit 1

config_error:
	@echo "*************************************************"
	@echo "You have not run make config."
	@echo "The build sequence for this source tree is:"
	@echo "1. 'make config' or 'make xconfig'"
	@echo "2. 'make dep'"
	@echo "3. 'make'"
	@echo "*************************************************"
	@exit 1

prune: ucfront
	@for i in `ls -d linux-* | grep -v $(LINUXDIR)`; do \
		rm -fr $$i; \
	done
#$(MAKE) -C lib prune
	$(MAKE) -C uClib prune
	$(MAKE) -C user prune
	$(MAKE) -C vendors prune

dist-prep:
	-find $(ROOTDIR) -name 'Makefile*.bin' | while read t; do \
		$(MAKEARCH) -C `dirname $$t` -f `basename $$t` $@; \
	 done

############################################################################
#
# make stuffs
#       
user_%:
	$(MAKEARCH) -C user $(patsubst user_%, %, $@)

lib_%:
	$(MAKEARCH) -C lib $(patsubst lib_%, %, $@)

config_update:
	@if [ -d $(PROFILEDIR)/$(PROFILE) ]; then \
		cp $(PROFILEDIR)/$(PROFILE)/vendor_config $(ROOTDIR)/config/.config; \
		cp $(PROFILEDIR)/$(PROFILE)/busybox_config $(ROOTDIR)/user/busybox/.config; \
		cp $(PROFILEDIR)/$(PROFILE)/linux_config $(ROOTDIR)/$(LINUXDIR)/.config; \
		cp $(PROFILEDIR)/$(PROFILE)/uclibc_config $(ROOTDIR)/lib/.config; \
		cp $(PROFILEDIR)/$(PROFILE)/cs_config $(ROOTDIR)/user/config_server/.config; \
		echo; echo "update cofig from $(PROFILE) sucessfully."; echo; \
	else \
		echo; echo "Can't find corresponding profile in" "$(PROFILEDIR)/$(PROFILE)"; echo;\
		exit 1; \
	fi
	$(MAKEARCH) oldconfig_linux
	$(MAKEARCH) -C user/busybox oldconfig
	$(MAKEARCH) -C lib/ oldconfig
	$(MAKEARCH) oldconfig_config
	$(MAKEARCH) oldconfig_cs
	$(MAKEARCH) dep

config_save:
	@if [ ! -d $(PROFILEDIR)/$(PROFILE) ]; then \
		mkdir $(PROFILEDIR)/$(PROFILE); \
	fi
	cp $(ROOTDIR)/$(LINUXDIR)/.config $(PROFILEDIR)/$(PROFILE)/linux_config; 
	cp $(ROOTDIR)/user/busybox/.config $(PROFILEDIR)/$(PROFILE)/busybox_config; 
	cp $(ROOTDIR)/config/.config $(PROFILEDIR)/$(PROFILE)/vendor_config; 
	cp $(ROOTDIR)/lib/.config $(PROFILEDIR)/$(PROFILE)/uclibc_config; 
	cp $(ROOTDIR)/user/config_server/.config $(PROFILEDIR)/$(PROFILE)/cs_config; 

