--- /dev/null
+--- a/pppd/pppd.h
++++ b/pppd/pppd.h
+@@ -67,6 +67,9 @@
+ #define volatile
+ #endif
+
++#undef __P
++#define __P(args) args
++
+ #ifdef INET6
+ #include "eui64.h"
+ #endif
+--- a/pppd/magic.h
++++ b/pppd/magic.h
+@@ -42,6 +42,8 @@
+ * $Id: magic.h,v 1.5 2003/06/11 23:56:26 paulus Exp $
+ */
+
++#include "pppd.h"
++
+ void magic_init __P((void)); /* Initialize the magic number generator */
+ u_int32_t magic __P((void)); /* Returns the next magic number */
+