--- a/components/nmap/Makefile	Mon Nov 16 06:14:40 2015 -0800
+++ b/components/nmap/Makefile	Mon Nov 23 15:33:43 2015 -0800
@@ -53,7 +53,6 @@
 CONFIGURE_OPTIONS  +=   CFLAGS="$(CFLAGS)"
 CONFIGURE_OPTIONS  +=   CXX="$(CXX)"
 CONFIGURE_OPTIONS  +=   CXXFLAGS="$(CXXFLAGS)"
-CONFIGURE_OPTIONS  +=   CPPFLAGS="$(CPPFLAGS)"
 CONFIGURE_OPTIONS  +=   LDFLAGS="$(LDFLAGS) -m64"
 CONFIGURE_OPTIONS  +=   LIBS="-lsocket -lnsl"
 CONFIGURE_OPTIONS  +=   PYTHON="$(PYTHON.$(PYTHON_VERSION))"