abandoning GNU make pattern rules in favor of generated makefile targets

Makefile

@@ -2,8 +2,6 @@
 # the Adobe Flex "Geting Started" tutorial at:
 #    http://learn.adobe.com/wiki/display/Flex/Getting+Started
 
-include rules.mk
-
 # sets mxmlc and compc to their respective basenames
 # if not overridden in command line like so:
 #    make MXMLC=/path/to/my/mxmlc
@@ -11,20 +9,37 @@ MXMLC ?= mxmlc
 COMPC ?= compc
 
 
-# define all target swf paths (which don't yet exist if
-# they've never been built)
-SWFS = $(patsubst %.mxml,%.swf,$(wildcard [0-9]*-*/*.mxml))
-SWFS += $(patsubst %.mxml,%.swf,$(wildcard custom-*/*.mxml))
+# define all dependency mxml paths and their swf path targets
+# (which don't yet exist if they've never been built)
+MXML = $(wildcard [0-9]*-*/*.mxml) $(wildcard custom-*/*.mxml)
+SWFS = $(patsubst %.mxml,%.swf,$(MXML))
 
 
 # glob up all component files as well, since changes to them
 # should also prompt rebuild
-COMPONENTS = $(patsubst %.mxml,%.swf,$(wildcard [0-9]*-*/*.as))
-COMPONENTS += $(patsubst %.mxml,%.swf,$(wildcard custom-*/*.as))
+COMPONENTS = $(wildcard [0-9]*-*/*.as) $(wildcard custom-*/*.as)
+export COMPONENTS
 
 
-# build all expected swf and swc files
-all: $(SWFS) $(COMPONENTS)
+include rules.mk
+
+
+all: $(SWFS)
+
+
+include targets.mk
+
+
+components:
+	@echo $(COMPONENTS)
+
+
+mxml:
+	@echo $(MXML)
+
+
+swfs:
+	@echo $(SWFS)
 
 
 # remove all swf files in the tree