PACKAGE = C_CAM.hex

BASE_DIR ?= ../../SylphideCAM/C8051/

BIN_PATH = /usr/bin:/usr/local/bin
CXX = sdcc
AS = asx8051
CPPFLAGS = -V --use-stdout -D__SDCC__ #-DR13_LEAVE_OPEN
CFLAGS = $(CPPFLAGS) --debug --stack-auto --nooverlay --model-small --use-stdout --opt-code-speed #-mmcs51
LFLAGS = -V --debug --use-stdout --stack-auto --model-small --iram-size 0x0100 --xram-loc 0x0800 --xram-size 0x0800 --code-size 0xfc00  #-mmcs51
ASFLAGS = -plosgff
INCLUDES += -I. $(patsubst %,-I%,$(BASE_DIR))
LIBS = #-L
BUILD_DIR ?= build_by_sdcc
DEPEND_INC ?= depend.inc

SRCS_C = \
	$(shell ls *.c)
SRCS_ASM = \
	$(shell ls *.asm)
	
EXCLUDE_OBJS ?= ""
OBJS = $(filter-out $(EXCLUDE_OBJS),$(SRCS_C:.c=.rel) $(SRCS_ASM:.asm=.rel))

all : $(BUILD_DIR) base depend $(PACKAGE)

objs : $(BUILD_DIR) depend $(patsubst %,$(BUILD_DIR)/%,$(OBJS))

# 基礎となるオブジェクトの構築
base : $(BASE_DIR)
	i=0; \
	for f in $^; do \
		(cd $$f && \
				BUILD_DIR=$(CURDIR)/$(BUILD_DIR) \
				INCLUDES=-I$(CURDIR) \
				DEPEND_INC=$(patsubst %,%.base$${i},$(DEPEND_INC)) \
				EXCLUDE_OBJS="$(EXCLUDE_OBJS) $(OBJS)" \
				make objs); \
		let i="$$i + 1"; \
	done

# ヘッダーファイルの依存関係
depend: $(SRCS_C)
	export PATH=$(BIN_PATH):$$PATH; \
	rm -f $(BUILD_DIR)/$(DEPEND_INC); \
	for i in $^; do \
		$(CXX) -E -MM $(INCLUDES) $(CPPFLAGS) $$i >> tempfile; \
		if ! [ $$? = 0 ]; then \
			rm -f tempfile; \
			exit 1; \
		fi; \
	done; \
	cat tempfile | sed -e 's/^+.*//g' -e 's/[^\.]*\.rel/$(subst /,\/,$(BUILD_DIR))\/&/g' >> $(BUILD_DIR)/$(DEPEND_INC); \
	rm -f tempfile

-include $(BUILD_DIR)/$(DEPEND_INC)

$(BUILD_DIR)/%.rel : %.c
	export PATH=$(BIN_PATH):$$PATH; \
	$(CXX) -c $(CFLAGS) $(INCLUDES) -o $@ $<

$(BUILD_DIR)/%.rel : %.asm
	export PATH=$(BIN_PATH):$$PATH; \
	cp $< $(BUILD_DIR)/; \
	cd $(BUILD_DIR); \
	$(AS) $(ASFLAGS) $<

$(PACKAGE) : $(patsubst %,$(BUILD_DIR)/%,$(PACKAGE))

$(BUILD_DIR)/$(PACKAGE) : $(patsubst %,$(BUILD_DIR)/%,$(OBJS))
	export PATH=$(BIN_PATH):$$PATH; \
	$(CXX) $(LFLAGS) $(INCLUDES) -o $@ $(LIBS) $(shell ls $(BUILD_DIR)/*.rel)

$(BUILD_DIR) :
	mkdir $@

clean :
	rm -f $(PACKAGE:.hex=*) $(BUILD_DIR)/*

run : all

.PHONY : clean all depend objs base