#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------

#---------------------------------------------------------------------------------
# the prefix on the compiler executables
#---------------------------------------------------------------------------------
PREFIX		:=

export CC	:=	$(PREFIX)gcc
export CXX	:=	$(PREFIX)g++
export AS	:=	$(PREFIX)as
export AR	:=	$(PREFIX)ar
export OBJCOPY	:=	$(PREFIX)objcopy
export BIN2S	:=	bin2s
export STRIP	:=	$(PREFIX)strip

#---------------------------------------------------------------------------------
%.a:
	@echo $(notdir $@)
	@rm -f $@
	@$(AR) -rc $@ $^

#---------------------------------------------------------------------------------
%.o: %.cpp
	@echo $(notdir $<)
	@$(CXX) -MMD -MP -MF $(DEPSDIR)/$*.d $(CXXFLAGS) -c $< -o $@

#---------------------------------------------------------------------------------
%.o: %.c
	@echo $(notdir $<)
	@$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d $(CFLAGS) -c $< -o $@


#---------------------------------------------------------------------------------
%.o: %.s
	@echo $(notdir $<)
	@$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@

#---------------------------------------------------------------------------------
%.o: %.S
	@echo $(notdir $<)
	@$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@

#---------------------------------------------------------------------------------
%.bin.o : %.bin
	@echo $(notdir $<)
	@$(BIN2S) -a 32 $< | $(AS) -o $(@)
#---------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# INCLUDES is a list of directories containing extra header files
#---------------------------------------------------------------------------------
TARGET		:=	Wilbrand
BUILD		:=	build
SOURCES		:=	source
DATA		:=	data
INCLUDES	:=

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------

CFLAGS	:=	-Wall -O3 -g -pipe -funroll-loops -DSEP=\"/\" -DSEPC=\'/\'

CFLAGS	+=	$(INCLUDE)
CXXFLAGS	:= $(CFLAGS)

ASFLAGS	:=	-g
LDFLAGS	=	-g -static -static-libgcc

#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project (order is important)
#---------------------------------------------------------------------------------
LIBS	:=


#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS	:=

#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------

export OUTPUT	:=	$(CURDIR)/$(TARGET)

export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
					$(foreach dir,$(DATA),$(CURDIR)/$(dir))

export DEPSDIR	:=	$(CURDIR)/$(BUILD)

CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))

#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
	export LD	:=	$(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
	export LD	:=	$(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------

export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
			$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)

export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
					$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
					-I$(CURDIR)/$(BUILD)

export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)

.PHONY: $(BUILD) clean

#---------------------------------------------------------------------------------
$(BUILD):
	@[ -d $@ ] || mkdir -p $@
	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile

#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr $(BUILD) $(TARGET) $(TARGET).debug

#---------------------------------------------------------------------------------
else

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT)	:	$(OFILES)
	@echo linking $(notdir $@).debug
	@$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@.debug
	@echo strip $(notdir $@).debug "->" $(notdir $@)
	@$(STRIP) -s $@.debug -o $@


-include $(DEPSDIR)/*.d

#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------