diff -ru faad2.old/common/mp4v2/mp4.h faad2/common/mp4v2/mp4.h
--- faad2.old/common/mp4v2/mp4.h	Sun Feb 22 14:04:55 2004
+++ faad2/common/mp4v2/mp4.h	Sun Feb 22 14:18:41 2004
@@ -27,6 +27,8 @@
 #include <mpeg4ip.h>
 
 #include <math.h>   /* to define float HUGE_VAL and/or NAN */
+/* Meuuh power */
+#undef NAN
 #ifndef NAN
 #define NAN HUGE_VAL
 #endif
