Updated Makefile, restructured code

Makefile

@@ -1,29 +1,18 @@
 FLAGS = -pthread
 OFLAGS = -g
 
-xnoircd: user.o nameable.o channel.o connection.o ircserver.o irccommand.o userconnection.o main.o
-	g++ $(FLAGS) user.o nameable.o channel.o connection.o ircserver.o irccommand.o userconnection.o main.o -o $@
+XNOIRDC_CPP_SRCS = $(shell find src/ -name '*.cpp')
+XNOIRDC_CPP_OBJS = $(patsubst src/%.cpp,build/%.o,$(XNOIRDC_CPP_SRCS))
 
-user.o: user.cpp user.h
-	g++ $(OFLAGS) -c $*.cpp
+XNOIRDC_OBJS = $(XNOIRDC_CPP_OBJS)
 
-connection.o: connection.cpp connection.h
-	g++ $(OFLAGS) -c $*.cpp
+.PHONY: clean
 
-ircserver.o: ircserver.cpp ircserver.h
-	g++ $(OFLAGS) -c $*.cpp
+build/xnoircd: $(XNOIRDC_OBJS)
+	g++ $(FLAGS) $^ -o $@
 
-irccommand.o: irccommand.cpp irccommand.h
-	g++ $(OFLAGS) -c $*.cpp
+build/%.o: src/%.cpp
+	g++ -c $< -o $@
 
-userconnection.o: userconnection.cpp userconnection.h
-	g++ $(OFLAGS) -c $*.cpp
-
-nameable.o: nameable.cpp nameable.h
-	g++ $(OFLAGS) -c $*.cpp
-
-channel.o: channel.cpp channel.h
-	g++ $(OFLAGS) -c $*.cpp
-
-main.o: main.cpp
-	g++ $(OFLAGS) -c $*.cpp
+clean:
+	rm *.o