Mine

SOURCES = board.cpp  chat.cpp  graphic.cpp  input.cpp  socket.cpp  talk.cpp
HEADERS = board.hpp  chat.hpp  graphic.hpp  input.hpp  socket.hpp  talk.hpp
OBJECTS = $(subst .cpp,.o, $(SOURCES))

CXXFLAGS = -Wall `sdl-config --cflags`
LFLAGS = `sdl-config --libs` -lSDL_image
CXX = g++

all: chat

$(OBJECTS): $(HEADERS)

%.o: %.c
	$(CXX) -c $(CXXFLAGS) $< -o $@

chat: $(OBJECTS)
	$(CXX) $(CXXFLAGS) $(LFLAGS) $(OBJECTS) -o chat

clean:
	-rm -f $(OBJECTS) chat

.PHONY: all clean