diff -up kdenetwork-3.5.7/kppp/pppstats.cpp.ppp kdenetwork-3.5.7/kppp/pppstats.cpp
--- kdenetwork-3.5.7/kppp/pppstats.cpp.ppp	2006-03-17 04:12:34.000000000 -0600
+++ kdenetwork-3.5.7/kppp/pppstats.cpp	2007-09-18 13:49:36.000000000 -0500
@@ -69,6 +69,9 @@
  #ifndef HAVE_NET_IF_PPP_H
   #ifdef HAVE_LINUX_IF_PPP_H
    #include <linux/if.h>
+   #ifndef aligned_u64
+    #define aligned_u64 unsigned long long __attribute__((aligned(8)))
+   #endif
    #include <linux/if_ppp.h>
   #endif
  #else
diff -up kdenetwork-3.5.7/kppp/opener.cpp.ppp kdenetwork-3.5.7/kppp/opener.cpp
--- kdenetwork-3.5.7/kppp/opener.cpp.ppp	2005-09-10 03:20:37.000000000 -0500
+++ kdenetwork-3.5.7/kppp/opener.cpp	2007-09-18 13:46:39.000000000 -0500
@@ -69,6 +69,9 @@ extern "C" int _Precvmsg(int, void*, int
 
 #ifndef HAVE_NET_IF_PPP_H
 #  ifdef HAVE_LINUX_IF_PPP_H
+#    ifndef aligned_u64
+#      define aligned_u64 unsigned long long __attribute__((aligned(8)))
+#    endif
 #    include <linux/if_ppp.h>
 #  endif
 #else
diff -up kdenetwork-3.5.7/kppp/configure.in.in.ppp kdenetwork-3.5.7/kppp/configure.in.in
--- kdenetwork-3.5.7/kppp/configure.in.in.ppp	2005-09-10 03:20:37.000000000 -0500
+++ kdenetwork-3.5.7/kppp/configure.in.in	2007-09-18 13:46:39.000000000 -0500
@@ -26,6 +26,9 @@ AC_TRY_LINK([
   #ifndef STREAMS 
 
     #if defined(linux)
+      #ifndef aligned_u64
+        #define aligned_u64 unsigned long long __attribute__((aligned(8)))
+      #endif
       #include <linux/if_ppp.h>
     #else
       #include <net/if_ppp.h>                /* BSD, NeXT, etc. */