makefile

TARGET = main
LIBS = `pkg-config --libs -cflags gtkmm-3.0`
CXX = g++
CFLAGS = -g -Wall
ODIR = ./build
SDIR = ./src

OBJECTS = $(patsubst $(SDIR)/**/%.cpp, $(ODIR)/%.o, $(wildcard $(SDIR)/*.cpp))
HEADERS = $(wildcard $(SDIR)/*.h)

.PHONY: default all clean
.PRECIOUS: $(TARGET) $(OBJECTS)

default: $(ODIR)/$(TARGET)
all: default

$(ODIR)/%.o: $(SDIR)/%.cpp $(HEADERS)
	$(CXX) $(CFLAGS) -c $< -o $@ $(LIBS)

$(ODIR)/$(TARGET): $(OBJECTS)
	$(CXX) $(OBJECTS) -Wall $(LIBS) -o $@

clean:
	-rm -f $(ODIR)/*