BUILD_DIR_PURE := build.raspbian
BUILD_DIR := $(BUILD_DIR_PURE)/
PITREX_DIR := ../pitrex/pitrex/
VECTREX_DIR := ../pitrex/vectrex/
SETTINGS := /opt/pitrex/share/vmmenu/
SND_DIR := $(SETTINGS)VMMsnd
##CFLAGS := -W -Wall -O2 -s -g -ggdb3 -I../pitrex/ -DPITREX -DPIZERO -DRPI0 # -Ofast
##CFLAGS := -W -Wall -s -g -I../pitrex/ -DPITREX -DPIZERO -DRPI0 # -Ofast
CFLAGS := -W -Wall -s -Ofast -DSETTINGS_DIR="\"$(SETTINGS)\"" -DSND_DIR="\"$(SND_DIR)\"" -I../pitrex/ -DPITREX -DPIZERO -DRPI0 # -Ofast
CC = gcc
LINK = gcc
OBJ_DIR = obj
VPATH=VMMSrc iniparser Linux VMMSDL
INC = `sdl2-config --cflags` -I./VMMSrc -I./Win32/dvg -I./Linux -I./iniparser -I./VMMSDL
LIBS= `sdl2-config --libs` -lSDL2 -lSDL2_mixer -lm
RM = rm -f
RMDIR = rm -rf
MKDIR = mkdir -p $(1)
OBJS = $(OBJ_DIR)/vmmenu.o \
       $(OBJ_DIR)/graphics.o \
       $(OBJ_DIR)/window.o \
       $(OBJ_DIR)/timer.o \
       $(OBJ_DIR)/iniparser.o \
       $(OBJ_DIR)/dictionary.o \
       $(OBJ_DIR)/LinuxVMM.o \
       $(OBJ_DIR)/VMM-SDL.o \
       $(OBJ_DIR)/vchars.o \
       $(OBJ_DIR)/gamelist.o \
       $(OBJ_DIR)/editlist.o

.PHONY: pitrexLib
.PHONY: dirCheck

all: dirCheck pitrexLib vmmenu
	echo All up to date

dirCheck:
	if [ ! -d $(BUILD_DIR_PURE) ]; then mkdir $(BUILD_DIR_PURE); fi
	if [ ! -d $(OBJ_DIR) ]; then mkdir $(OBJ_DIR); fi

# Clean up intermediate files
clean:
	$(RM) $(BUILD_DIR)*.* *~
	$(RM) vmmenu
	$(RM) $(OBJ_DIR)/*.o

pitrexLib:
	$(MAKE) -C $(PITREX_DIR) -f Makefile.raspbian all
	$(MAKE) -C $(VECTREX_DIR) -f Makefile.raspbian all

# Flags for linker
vmmenu: dirCheck pitrexLib $(OBJS) $(PITREX_DIR)$(BUILD_DIR)bcm2835.o $(PITREX_DIR)$(BUILD_DIR)pitrexio-gpio.o $(VECTREX_DIR)$(BUILD_DIR)vectrexInterface.o $(VECTREX_DIR)$(BUILD_DIR)osWrapper.o $(VECTREX_DIR)$(BUILD_DIR)baremetalUtil.o
	@echo Building for PiTrex under Linux on Pi0
	$(CC) $(CFLAGS) -o $@ $(LIBS) $(OBJS) \
	      $(PITREX_DIR)$(BUILD_DIR)bcm2835.o \
	      $(PITREX_DIR)$(BUILD_DIR)pitrexio-gpio.o \
	      $(VECTREX_DIR)$(BUILD_DIR)vectrexInterface.o \
	      $(VECTREX_DIR)$(BUILD_DIR)osWrapper.o \
	      $(VECTREX_DIR)$(BUILD_DIR)baremetalUtil.o

install:
	install -o root -g games -m 6555 vmmenu /opt/pitrex/bin/vmmenu
#	install -o root -g games vmm.sh /opt/pitrex/bin
#	install -o root -g games vmmenu.sh /opt/pitrex/bin/vmmenu
	mkdir -p /opt/pitrex/share/vmmenu/VMMsnd
#	cp vmmenu.ini /opt/pitrex/share/vmmenu
#	cp vmmenu.cfg /opt/pitrex/share/vmmenu
	cp VMMsnd/* /opt/pitrex/share/vmmenu/VMMsnd
	@echo Vectrex roms directory: /opt/pitrex/roms/vectrex/

$(OBJ_DIR)/vmmenu.o: VMMSrc/vmmenu.c
	$(CC) $(CFLAGS) -c $(INC) -o $@ VMMSrc/vmmenu.c

$(OBJ_DIR)/graphics.o: PiTrex/graphics.c
	$(CC) $(CFLAGS) -Wno-unused-but-set-variable -Wno-unused-parameter -Wno-unused-function -Wno-unused-variable -c $(INC) -o $@ PiTrex/graphics.c

$(OBJ_DIR)/window.o: PiTrex/window.c
	$(CC) $(CFLAGS) -c $(INC) -o $@ PiTrex/window.c

$(OBJ_DIR)/timer.o: Win32/dvg/timer.c
	$(CC) $(CFLAGS) -c $(INC) -o $@ Win32/dvg/timer.c

$(OBJ_DIR)/iniparser.o: iniparser/iniparser.c
	$(CC) $(CFLAGS) -c $(INC) -o $@ iniparser/iniparser.c

$(OBJ_DIR)/dictionary.o: iniparser/dictionary.c
	$(CC) $(CFLAGS) -c $(INC) -o $@ iniparser/dictionary.c

$(OBJ_DIR)/LinuxVMM.o: Linux/LinuxVMM.c
	$(CC) $(CFLAGS) -c $(INC) -o $@ Linux/LinuxVMM.c

$(OBJ_DIR)/VMM-SDL.o: VMMSDL/VMM-SDL.c
	$(CC) $(CFLAGS) -c $(INC) -o $@ VMMSDL/VMM-SDL.c

$(OBJ_DIR)/vchars.o: VMMSrc/vchars.c
	$(CC) $(CFLAGS) -c $(INC) -o $@ VMMSrc/vchars.c

$(OBJ_DIR)/gamelist.o: VMMSrc/gamelist.c
	$(CC) $(CFLAGS) -c $(INC) -o $@ VMMSrc/gamelist.c

$(OBJ_DIR)/editlist.o: VMMSrc/editlist.c
	$(CC) $(CFLAGS) -c $(INC) -o $@ VMMSrc/editlist.c

# TO DO: trim the command lines to the essentials:
# gcc -W -Wall -O2 -s -g -ggdb3 -I../pitrex/ -DPIZERO -DRPI0  -c `sdl2-config --cflags` -I./VMMSrc -I./Win32/dvg -I./Linux -I./iniparser -I./VMMSDL PiTrex/graphics.c
# gcc -W -Wall -O2 -s -g -ggdb3 -I../pitrex/ -DPIZERO -DRPI0  -c `sdl2-config --cflags` -I./VMMSrc -I./Win32/dvg -I./Linux -I./iniparser -I./VMMSDL Win32/dvg/timer.c
# gcc -W -Wall -O2 -s -g -ggdb3 -I../pitrex/ -DPIZERO -DRPI0  -c `sdl2-config --cflags` -I./VMMSrc -I./Win32/dvg -I./Linux -I./iniparser -I./VMMSDL iniparser/iniparser.c
# gcc -W -Wall -O2 -s -g -ggdb3 -I../pitrex/ -DPIZERO -DRPI0  -c `sdl2-config --cflags` -I./VMMSrc -I./Win32/dvg -I./Linux -I./iniparser -I./VMMSDL iniparser/dictionary.c
# gcc -W -Wall -O2 -s -g -ggdb3 -I../pitrex/ -DPIZERO -DRPI0  -c `sdl2-config --cflags` -I./VMMSrc -I./Win32/dvg -I./Linux -I./iniparser -I./VMMSDL Linux/LinuxVMM.c
# gcc -W -Wall -O2 -s -g -ggdb3 -I../pitrex/ -DPIZERO -DRPI0  -c `sdl2-config --cflags` -I./VMMSrc -I./Win32/dvg -I./Linux -I./iniparser -I./VMMSDL VMMSDL/VMM-SDL.c
# gcc -W -Wall -O2 -s -g -ggdb3 -I../pitrex/ -DPIZERO -DRPI0  -c `sdl2-config --cflags` -I./VMMSrc -I./Win32/dvg -I./Linux -I./iniparser -I./VMMSDL VMMSrc/vchars.c
# gcc -W -Wall -O2 -s -g -ggdb3 -I../pitrex/ -DPIZERO -DRPI0  -c `sdl2-config --cflags` -I./VMMSrc -I./Win32/dvg -I./Linux -I./iniparser -I./VMMSDL VMMSrc/gamelist.c
# gcc -W -Wall -O2 -s -g -ggdb3 -I../pitrex/ -DPIZERO -DRPI0  -c `sdl2-config --cflags` -I./VMMSrc -I./Win32/dvg -I./Linux -I./iniparser -I./VMMSDL VMMSrc/editlist.c