-diff -ru chrony-1.21.orig/io_linux.h chrony-1.21/io_linux.h
---- chrony-1.21.orig/io_linux.h 2005-08-11 22:32:54.000000000 +0200
-+++ chrony-1.21/io_linux.h 2006-08-08 22:24:43.000000000 +0200
-@@ -24,6 +24,15 @@
- #define CHRONY_IOC_NONE 1U
- #define CHRONY_IOC_READ 2U
- #define CHRONY_IOC_WRITE 4U
-+#elif defined(__mips__) || (__powerpc__) || (__arm__)
-+#define CHRONY_IOC_NRBITS 8
-+#define CHRONY_IOC_TYPEBITS 8
-+#define CHRONY_IOC_SIZEBITS 13
-+#define CHRONY_IOC_DIRBITS 3
-+
-+#define CHRONY_IOC_NONE 1U
-+#define CHRONY_IOC_READ 2U
-+#define CHRONY_IOC_WRITE 4U
- #else
- #error "I don't know the values of the _IOC_* constants for your architecture"
- #endif