--- libs-external/USI++/src/Makefile.in.orig	Sun Jul 31 17:23:20 2005
+++ libs-external/USI++/src/Makefile.in	Sun Jul 31 17:24:15 2005
@@ -2,7 +2,7 @@
 #
 
 LIBS=@LIBS@
-CFLAGS=@CFLAGS@ -I/usr/include/pcap -I. -Wall
+CFLAGS=@CPPFLAGS@ @CFLAGS@ -I. -Wall
 CXX=@CXX@
 INSTALL=@INSTALL@
 RANLIB=@RANLIB@
