CXX			= g++
CXXFLAGS  	= -std=c++20 -O3 -MMD -MP -Wall -Wpedantic
LDFLAGS  	= -lbcm2835
IFLAGS      = -Iargparse/include

SRCDIR 		= src
BUILD_DIR   = build

EXEC		= eeprom-sim

SRC 		= $(wildcard $(SRCDIR)/*.cpp) $(wildcard $(SRCDIR)/*/*.cpp) 
# OBJECTS 	= $(SRC:%.cpp=$(OBJECT_DIR)/%.o)
OBJECTS 	= $(patsubst $(SRCDIR)/%,$(BUILD_DIR)/%,$(patsubst %.cpp,%.o,$(SRC)))
DEPENDS 	= ${OBJECTS:.o=.d}

CXXFLAGS    += $(IFLAGS)

.PHONY = default clean
default: $(EXEC)
print:
	@echo $(SRC)
	@echo $(OBJECTS)


-include $(DEPENDS)

$(BUILD_DIR):
	mkdir -p $(BUILD_DIR)

$(EXEC): $(OBJECTS)
	$(CXX) $(OBJECTS) -o $@ $(CXXFLAGS) $(LDFLAGS)

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

clean:
	-rm -r $(BUILD_DIR)
	-rm $(EXEC)