Do a better job at tracking dependencies into the libs, so libs are re-built when they need to.

Eliminate some more gmakeisms in the modules makefiles




git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4629 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_enum/Makefile

@@ -1,11 +1,11 @@
-
 BASE=../../../..
-UDNSA=$(BASE)/libs/udns/libudns.a
-LOCAL_CFLAGS=-I$(BASE)/libs/udns
+UDNS_DIR=$(BASE)/libs/udns
+UDNSA=$(UDNS_DIR)/libudns.a
+LOCAL_CFLAGS=-I$(UDNS_DIR)
 LOCAL_LIBADD=$(UDNSA)
 include $(BASE)/build/modmake.rules
 
-$(UDNSA):
-	cd $(BASE)/libs/udns && $(MAKE) staticlib
-
+$(UDNSA): $(UDNS_DIR) $(UDNS_DIR)/.update
+	cd $(UDNS_DIR) && $(MAKE) staticlib
+	$(TOUCH_TARGET)