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Diffstat (limited to 'libc/sysdeps/linux/m68k/bits/byteswap.h')
-rw-r--r--libc/sysdeps/linux/m68k/bits/byteswap.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/m68k/bits/byteswap.h b/libc/sysdeps/linux/m68k/bits/byteswap.h
index ea6aa964b..549d4452e 100644
--- a/libc/sysdeps/linux/m68k/bits/byteswap.h
+++ b/libc/sysdeps/linux/m68k/bits/byteswap.h
@@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values. m68k version.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -21,6 +21,9 @@
# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
#endif
+#ifndef _BITS_BYTESWAP_H
+#define _BITS_BYTESWAP_H 1
+
/* Swap bytes in 16 bit value. We don't provide an assembler version
because GCC is smart enough to generate optimal assembler output, and
this allows for better cse. */
@@ -60,3 +63,5 @@
__bswap_64_r.__l[1] = __bswap_32 (__bswap_64_v.__l[0]); \
__bswap_64_r.__ll; })
#endif
+
+#endif /* _BITS_BYTESWAP_H */