Index: cygwinccompiler.py
===================================================================
--- cygwinccompiler.py	(revision 63402)
+++ cygwinccompiler.py	(working copy)
@@ -155,7 +155,10 @@
         if ext == '.rc' or ext == '.res':
             # gcc needs '.res' and '.rc' compiled to object files !!!
             try:
-                self.spawn(["windres", "-i", src, "-o", obj])
+                args = list(set(
+                    x for x in cc_args + extra_postargs + pp_opts 
+                    if x.startswith(('-D', '-I'))))
+                self.spawn(["windres", "-i", src, "-o", obj] + args)
             except DistutilsExecError, msg:
                 raise CompileError, msg
         else: # for other files use the C-compiler