diff -ru wvstreams-4.2.2/linuxstreams/wvinterface.cc wvstreams-4.2.2-orig/linuxstreams/wvinterface.cc
--- wvstreams-4.2.2/linuxstreams/wvinterface.cc	2007-02-01 13:24:23.000000000 +0100
+++ wvstreams-4.2.2-orig/linuxstreams/wvinterface.cc	2007-02-01 13:23:58.000000000 +0100
@@ -21,6 +21,7 @@
 #include <errno.h>
 #include <linux/sockios.h>
 
+#include <linux/compiler.h>
 #define _LINUX_IF_H /* Hack to prevent loading linux/if.h */
 #include <linux/wireless.h>