Makefile for NES development

Makefile

# ===== Basic Configuration =====
CC = mos-nes-mmc1-clang
TARGET = main.nes
EMULATOR = fceux

# ===== Directories =====
SRC_DIR = src
INCLUDE_DIR = include
OBJ_DIR = obj

# ===== Customizable Flags =====
# - Language standard: c89, c99, c11, etc.
STD = -std=c99
# - Optimization level: -O0 (none), -O1, -O2, -O3, -Os (small size)
OPTIMIZE = -Os
# - Additional flags for the compiler (e.g., -Wall, -Wextra, -pedantic)
EXTRA_CFLAGS = -Wall -Wextra -Wpedantic
# - Flags for the linker (e.g., additional libraries)
EXTRA_LDFLAGS = 

# ===== Automatic Flags =====
CFLAGS = $(STD) $(OPTIMIZE) $(EXTRA_CFLAGS) -I$(INCLUDE_DIR)
LDFLAGS = chr-rom.s -lneslib -lnesdoug $(EXTRA_LDFLAGS)

# ===== File Search =====
SRCS = $(shell find $(SRC_DIR) -type f -name '*.c')
HDRS = $(shell find $(INCLUDE_DIR) -type f -name '*.h')
OBJS = $(patsubst $(SRC_DIR)/%.c, $(OBJ_DIR)/%.o, $(SRCS))

# ===== Rules =====
all: $(TARGET)

$(TARGET): $(OBJS)
	$(CC) $(OBJS) $(LDFLAGS) -o $@

$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(HDRS)
	@mkdir -p $(@D)
	$(CC) $(CFLAGS) -c $< -o $@

run: $(TARGET)
	$(EMULATOR) $(TARGET)

install: $(TARGET)
	sudo cp $(TARGET) /bin/$(TARGET)

clean:
	rm -rf $(OBJ_DIR) $(TARGET)

.PHONY: all run install clean