Makefile

CXX      := c++
CXXFLAGS := -std=c++17 -Wall -Wextra -Wfatal-errors -g
LDFLAGS  :=

SDL_CFLAGS   := $(shell pkg-config --cflags sdl2 SDL2_image SDL2_ttf SDL2_mixer)
SDL_LIBS     := $(shell pkg-config --libs   sdl2 SDL2_image SDL2_ttf SDL2_mixer)
LUA_CFLAGS   := -I/opt/homebrew/opt/lua@5.4/include/lua
LUA_LIBS     := -L/opt/homebrew/opt/lua@5.4/lib -llua

CXXFLAGS += $(SDL_CFLAGS) $(LUA_CFLAGS)
LDFLAGS  += $(SDL_LIBS)   $(LUA_LIBS)

SRCDIR := src
BUILDDIR := build
SRCS := $(wildcard $(SRCDIR)/*.cpp)
OBJS := $(patsubst $(SRCDIR)/%.cpp, $(BUILDDIR)/%.o, $(SRCS))
BIN  := main

.PHONY: all build run clean

all build: $(BIN)

$(BUILDDIR)/%.o: $(SRCDIR)/%.cpp | $(BUILDDIR)
	$(CXX) $(CXXFLAGS) -c $< -o $@

$(BIN): $(OBJS)
	$(CXX) $^ $(LDFLAGS) -o $@

$(BUILDDIR):
	mkdir -p $(BUILDDIR)

run: $(BIN)
	./$(BIN)

clean:
	rm -rf $(BUILDDIR) $(BIN)