CXX = g++
CXXFLAGS = -O3 -Isrc -Wall -Wextra -std=c++17

BUILD_DIR = build
SRCS = $(shell find src -name '*.cpp')
VPATH = $(sort $(dir $(SRCS)))
OBJS = $(addprefix $(BUILD_DIR)/, $(notdir $(SRCS:.cpp=.o)))
TARGET = ground

all: $(TARGET)

$(TARGET): $(OBJS)
	$(CXX) $(CXXFLAGS) -o $(TARGET) $(OBJS)

$(BUILD_DIR)/%.o: %.cpp
	@mkdir -p $(BUILD_DIR)
	$(CXX) $(CXXFLAGS) -c $< -o $@

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

.PHONY: all clean