# If you move this project you can change the directory
# to match your GBDK root directory (ex: GBDK_HOME = "C:/GBDK/"
ifndef GBDK_HOME
	GBDK_HOME = ../../../
endif

LCC = $(GBDK_HOME)/bin/lcc

# Set platforms to build here, spaced separated. (These are in the separate Makefile.targets)
# They can also be built/cleaned individually: "make gg" and "make gg-clean"
# Possible are: gb gbc pocket megaduck sms gg
TARGETS= gb # gb pocket megaduck sms gg nes

# Configure platform specific LCC flags here:
LCCFLAGS_gb      =
LCCFLAGS_pocket  =
LCCFLAGS_duck    =
LCCFLAGS_gbc     =
LCCFLAGS_sms     =
LCCFLAGS_gg      =
LCCFLAGS_nes     =

LCCFLAGS += $(LCCFLAGS_$(EXT)) # This adds the current platform specific LCC Flags

LCCFLAGS += -Wl-j
LCCFLAGS += -Wf-MMD -Wf-Wp-MP # Header file dependency output (-MMD) for Makefile use + per-header Phony rules (-MP)
CFLAGS += -Wf-MMD -Wf-Wp-MP # Header file dependency output (-MMD) for Makefile use + per-header Phony rules (-MP)

# GBDK_DEBUG = ON
ifdef GBDK_DEBUG
	LCCFLAGS += -debug -v
endif

# You can set the name of the ROM file here
PROJECTNAME = rand_plot


# EXT?=gb # Only sets extension to default (game boy .gb) if not populated
SRCDIR      = src
OBJDIR      = obj/$(EXT)
RESDIR      = res
BINDIR      = build/$(EXT)
MKDIRS      = $(OBJDIR) $(BINDIR) # See bottom of Makefile for directory auto-creation

BINS	    = $(OBJDIR)/$(PROJECTNAME).$(EXT)
CSOURCES    = $(foreach dir,$(SRCDIR),$(notdir $(wildcard $(dir)/*.c))) $(foreach dir,$(RESDIR),$(notdir $(wildcard $(dir)/*.c)))

ASMSOURCES  = $(foreach dir,$(SRCDIR),$(notdir $(wildcard $(dir)/*.s)))
OBJS        = $(CSOURCES:%.c=$(OBJDIR)/%.o) $(ASMSOURCES:%.s=$(OBJDIR)/%.o)

# Dependencies (using output from -Wf-MMD -Wf-Wp-MP)
DEPS = $(OBJS:%.o=%.d)

-include $(DEPS)

# Builds all targets sequentially
all: $(TARGETS)

compile.bat: Makefile
	@echo "REM Automatically generated from Makefile" > compile.bat
	@make -sn | sed y/\\//\\\\/ | sed s/mkdir\ -p\/mkdir\/ | grep -v make >> compile.bat

test:
	echo $(CSOURCES)


# Compile .c files in "src/" to .o object files
$(OBJDIR)/%.o:	$(SRCDIR)/%.c
	$(LCC) $(CFLAGS) -c -o $@ $<

# Compile .c files in "res/" to .o object files
$(OBJDIR)/%.o:	$(RESDIR)/%.c
	$(LCC) $(CFLAGS) -c -o $@ $<

# Compile .s assembly files in "src/" to .o object files
$(OBJDIR)/%.o:	$(SRCDIR)/%.s
	$(LCC) $(CFLAGS) -c -o $@ $<

# If needed, compile .c files in "src/" to .s assembly files
# (not required if .c is compiled directly to .o)
$(OBJDIR)/%.s:	$(SRCDIR)/%.c
	$(LCC) $(CFLAGS) -S -o $@ $<

# Link the compiled object files into a .gb ROM file
$(BINS):	$(OBJS)
	$(LCC) $(LCCFLAGS) $(CFLAGS) -o $(BINDIR)/$(PROJECTNAME).$(EXT) $(OBJS)

clean:
	@echo Cleaning
	@for target in $(TARGETS); do \
		$(MAKE) $$target-clean; \
	done

# Include available build targets
include Makefile.targets


# create necessary directories after Makefile is parsed but before build
# info prevents the command from being pasted into the makefile
ifneq ($(strip $(EXT)),)           # Only make the directories if EXT has been set by a target
$(info $(shell mkdir -p $(MKDIRS)))
endif
