changed for plugin support

Makefile

@@ -1,4 +1,5 @@
 BIN := $(shell basename $$(pwd))
+PLUGINS := rect
 
 MANSECTION := 1
 MANPAGE := $(BIN).$(MANSECTION)
@@ -27,11 +28,11 @@ else
 	CXXFLAGS += -D NDEBUG -O3
 endif
 
-LDLIBS := -lm -lpthread -lscgui -lSDL2 -lcairo -lscerror
+LDLIBS := -lm -lpthread -lscgui -lSDL2 -lcairo -lscerror -lscstring
 
-.PHONY: all clean install
+.PHONY: all clean install modules
 
-all: $(BIN)
+all: $(BIN) $(PLUGINS)
 
 $(BIN): $(OBJS) $(DEPS)
 	$(CXX) $(OBJS) $(LDFLAGS) $(LDLIBS) -o $(BIN)
@@ -43,8 +44,21 @@ $(BIN): $(OBJS) $(DEPS)
 
 %.d: ;
 
+modules: $(PLUGINS)
+	mkdir -p plugins
+	@for plug in $(PLUGINS) ;\
+	do \
+		cd $$plug && $(MAKE) && $(MAKE) install ;\
+		cd .. ;\
+	done
+
 clean:
 	$(RM) $(OBJS) $(DEPS) $(BIN)
+	$(RM) -r plugins
+	@for plug in $(PLUGINS) ;\
+	do \
+		$(MAKE) -C $$plug clean ;\
+	done
 
 install: $(BIN)
 	$(INSTALL) -d $(BINDIR)