diff -urN busybox-1.00-pre4.org/modutils/insmod.c busybox-1.00-pre4/modutils/insmod.c
--- busybox-1.00-pre4.org/modutils/insmod.c	2003-12-21 16:16:18.698827120 +0100
+++ busybox-1.00-pre4/modutils/insmod.c	2003-12-21 16:25:03.315073328 +0100
@@ -248,6 +248,15 @@
 #define ELFCLASSM	ELFCLASS32
 #endif
 
+#if defined(__amd64__)
+#define ELFCLASSM       ELFCLASS64
+#define ELFDATAM        ELFDATA2LSB
+
+#define MATCH_MACHINE(x)  (x == EM_X86_64)
+#define SHT_RELM        SHT_RELA
+#define Elf64_RelM      Elf64_Rela
+#endif
+	
 #ifndef SHT_RELM
 #error Sorry, but insmod.c does not yet support this architecture...
 #endif
diff -durN -x '*~' -x '*.o' -x '.*' -x '*.[0-9]' -x '*.links' -x '*.html' -x '*.txt' -x '*.pod' -x 'config*' busybox-1.00-pre4.orig/util-linux/fdisk.c busybox-1.00-pre4/util-linux/fdisk.c
--- busybox-1.00-pre4.orig/util-linux/fdisk.c	2003-12-04 08:07:14.000000000 +0100
+++ busybox-1.00-pre4/util-linux/fdisk.c	2004-12-21 17:45:00.000000000 +0100
@@ -856,13 +856,13 @@
  */
 
 
-#if defined(__alpha__) || defined(__ia64__) || defined(__s390x__)
+#if defined(__alpha__) || defined(__ia64__) || defined(__s390x__) || defined(__x86_64__)
 
 #define my_llseek lseek
 
 #else
 
-#include <syscall.h>
+#include <syscall.h>
 
 static fdisk_loff_t my_llseek (unsigned int f_d, fdisk_loff_t offset,
 		unsigned int origin)