ifndef PJ
ifeq ($(shell if [ -L menuconfig.config ]; then echo y; fi), y)
PJ=$(shell ls -la menuconfig.config|awk '{print $$10}')
endif
endif

all: release

release:
ifdef PJ
	@if [ ! -e $(PJ) ]; then echo 'Error: $(PJ) is not exist! Please restore it or rebuild kconfig system..'; exit 1; fi
endif
	@$(MAKE) -f Makefile.pj buildimg PJ=$(PJ) 2>&1 | /usr/bin/tee log/buildlog-`/bin/date +%Y%m%d_%H%M`.log

debug:
ifdef PJ
	@if [ ! -e $(PJ) ]; then echo 'Error: $(PJ) is not exist! Please restore it or rebuild kconfig system..'; exit 1; fi
endif
	@$(MAKE) -f Makefile.pj buildimg PJ=$(PJ) 2>&1 | /usr/bin/tee log/buildlog-`/bin/date +%Y%m%d_%H%M`.log

mconfig: 
ifndef PJ
	@$(MAKE) -f Makefile.pj mconfig 
endif

boardconfig: 
ifndef PJ
	@$(MAKE) -f Makefile.pj boardconfig
endif

menuconfig: 
ifndef PJ
	@$(MAKE) -f Makefile.pj menuconfig
endif

info:
ifdef PJ
	@if [ ! -e $(PJ) ]; then echo 'Error: $(PJ) is not exist! Please restore it or rebuild kconfig system..'; exit 1; fi
endif
	@$(MAKE) -f Makefile.pj info PJ=$(PJ)
	
clean:
ifdef PJ
	@if [ ! -e $(PJ) ]; then echo 'Error: $(PJ) is not exist! Please restore it or rebuild kconfig system..'; exit 1; fi
endif
	@$(MAKE) -f Makefile.pj clean PJ=$(PJ)

help:
	@echo 'Cleaning targets:'
	@echo '  clean        - remove most generated files but keep the config'
	@echo ' '
	@echo 'kconfig targets:'
	@echo '  mconfig      - update current customer config'
	@echo '  boardconfig  - update current board config based on selected customer '
	@echo '  menuconfig   - update current project-related config based on selected customer and board'
	@echo ' '
	@echo 'PJ targets:'
	@echo '  rebuild_kconfig    - restore the kconfig files'
	@echo '  xcfg [Xn=cfg_name] - generate x.cfg from kconfig system'
	@echo ' '
	@echo 'Building targets:'
	@echo '  all          - build release system'
	@echo '  release      - build release system'
	@echo '  debug        - build debug system'
	@echo '  info         - print out the building configs'
	@echo ' '
	@echo 'Execute "make" or "make all" to build release system image'


rebuild_kconfig:
	@if [ -L menuconfig.config ]; then \
		rm -f menuconfig.config; \
		if [ -e .mconfig.config -a -e .boardconfig.config -a -e .menuconfig.config ]; then \
			mv .mconfig.config mconfig.config; \
			mv .boardconfig.config boardconfig.config; \
			mv .menuconfig.config menuconfig.config; \
		else \
			echo 'Sorry, unable to restore thoes files'; \
			echo '    mconfig.config, boardconfig.config, menuconfig.config'; \
			echo 'please update them from SVN!'; \
		fi; \
	fi

xcfg: rebuild_kconfig
ifdef Xn
	@./tools/xcfg.pl -o $(Xn) mconfig.config boardconfig.config menuconfig.config
else
	@./tools/xcfg.pl -o x.cfg mconfig.config boardconfig.config menuconfig.config
endif