The library is now glued together from generic and OS-dependent parts

by the `mergedirs' script. Few more IP address manipulation functions
and some fixes.

Rules

@@ -3,17 +3,32 @@
 
 THISDIR=$(shell pwd)
 RELDIR=$(subst $(TOPDIR)/,,$(THISDIR))
-ANAME=$(subst /,_,$(RELDIR)).a
+ONAME=$(subst /,_,$(RELDIR)).o
+
+ifndef SRCS
 SRCS=$(subst .o,.c,$(OBJS))
-
-all: $(ANAME)
-
-$(ANAME): $(OBJS)
-	rm -f $(ANAME)
-	ar rcs $(ANAME) $(OBJS)
+endif
 
 ifdef OBJS
 
+ifdef LIB
+
+all: $(LIB)
+
+$(LIB): $(OBJS)
+	rm -f $(LIB)
+	ar rcs $(LIB) $(OBJS)
+	ranlib $(LIB)
+
+else
+
+all: $(ONAME)
+
+$(ONAME): $(OBJS)
+	$(LD) -r -o $(ONAME) $(OBJS)
+
+endif
+
 dep: $(SRCS)
 	rm -f .depend
 	for a in $(SRCS) ; do gcc $(CPPFLAGS) -MM $$a >>.depend ; done