LDLIBS :=

BIN := $(shell basename $$(pwd))

SRCS := $(wildcard *.cpp)
OBJS := $(SRCS:.cpp=.o)
DEPS := $(SRCS:.cpp=.dep)

CXX ?= g++

CXXFLAGS += -Wshadow -Wall -Wpedantic -Wextra -Wno-unused-parameter
CXXFLAGS += -g3 -std=c++20
ifeq ($(DEBUG),1)
	CXXFLAGS += -D DEBUG -O0
else
	CXXFLAGS += -D NDEBUG -O3
endif

%.o: %.cpp
	$(CXX) $(CXXFLAGS) -MMD -MP -MT $@ -MF $*.dep -c $<

%.dep: ;

$(BIN): $(OBJS)
	$(CXX) $(LDFLAGS) -o $(BIN) $(OBJS) $(LDLIBS)

-include $(DEPS)

.PHONY: clean
clean:
	rm -f $(OBJS) $(DEPS) $(BIN)