clean up makefile a little bit, add ifconfig.

GNUmakefile

@@ -2,31 +2,46 @@
 
 .PHONY: all
 
-all: tcpsnooper.cda netstat
+all: tcpsnooper.cda netstat ifconfig
+
+.PHONY: clean
+
+clean:
+	rm -rf o
 
 tcpsnooper.cda : o/snooper.a 
-	iix -DKeepType=cda link o/snooper keep=tcpsnooper.cda
+	iix -DKeepType=cda link $(^:.a=) keep=$@
 
 netstat : o/netstat.a
-	iix link o/netstat keep=netstat
+	iix link $(^:.a=) keep=$@
+
+ifconfig : o/ifconfig.a
+	iix link $(^:.a=) keep=$@
 
 o:
 	mkdir o
 
+o/%.a : %.c | o
+	iix compile $< keep=o/$*
 
-o/snooper.a : snooper.c | o
-	iix compile snooper.c keep=o/snooper
+o/%.a : %.asm | o
+	iix compile $< keep=o/$*
+
+
+# o/snooper.a : snooper.c | o
+# 	iix compile snooper.c keep=o/snooper
+
+# o/netstat.a : netstat.c | o
+# 	iix compile netstat.c keep=o/netstat
 
-o/netstat.a : netstat.c | o
-	iix compile netstat.c keep=o/netstat
 
 # no longer used.
 
 cda.mac: cda.asm
 	iix macgen cda.asm cda.mac 13:ainclude:m16.= 13:orcainclude:m16.=
 
-o/cda.a : cda.asm | cda.mac o
-	iix compile cda.asm keep=o/cda
+# o/cda.a : cda.asm | cda.mac o
+# 	iix compile cda.asm keep=o/cda
 
-o/debug.a : debug.c ur.c | o
-	iix compile debug.c keep=o/debug
+# o/debug.a : debug.c ur.c | o
+# 	iix compile debug.c keep=o/debug