include scripts/config.mk
export ARCH

Q?=@
export Q
export TOPDIR = $(CURDIR)
export RELEASE = n
export PATH
export BUILD_TREE=n
export RELEASE_TREE=y


USE_DBG_PRINTF?=y

# Directories we can build
subdir-y += examples/simple

# Cmd.exe fix 
PATH := /usr/bin/:$(PATH) 
find := $(shell which find)

all:

ifneq ($(MAKECMDGOALS),clean) 
	ifeq ($(ARCH),)  
	  $(error no ARCH=[ppc55xx], $(ARCH))
	endif
	
	ifeq ($(ARCH),)
	  ARCH_LIST = ppc55xx ppc5xx win32
	else 
	  ARCH_LIST = $(ARCH)
	endif
endif


export CFG_MCU 
export CFG_CPU
export MCU
export def-y=$(CFG_ARCH_$(ARCH)) $(CFG_MCU) $(CFG_CPU)

objdir = obj_$(ARCH)


builddir-y = $(filter $(MAKECMDGOALS),$(subdir-y)) 

.PHONY: $(builddir-y)
.PHONY: clean

.PHONY: help
help:
	@echo "make [all|clean] ARCH=[ppc55xx]"

export def-y

# The interesting things in this makefile( uses ideas from http://make.paulandlesley.org/ ) 
# 
# We descend into the object directories and build the. That way it's easier to build
# multi-arch support and we don't have to use objdir everywhere. 
# 
# ROOTDIR - The top-most directory ( this directory ) 
# SUBDIR  - The subdirectory we decend into

$(builddir-y):
	+@[ -d $@/$(objdir) ] || mkdir -p $@/$(objdir)
	$(Q)$(MAKE) -r -C $@/$(objdir) -f $(CURDIR)/scripts/rules.mk  ROOTDIR=$(CURDIR) SUBDIR=$@ all
	
clean:
	@echo "Clean:"
	@echo "  Removing objectfiles and libs for ARCH=$(ARCH)"
	$(Q)find $(foreach tmp, $(ARCH_LIST),$(addsuffix /obj_$(tmp),$(subdir-y))) -type f -name '*' | xargs rm -f