diff options
Diffstat (limited to 'string/byteswap.h')
| -rw-r--r-- | string/byteswap.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/string/byteswap.h b/string/byteswap.h index 18ca95d373..7d769573ad 100644 --- a/string/byteswap.h +++ b/string/byteswap.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997 Free Software Foundation, Inc. +/* Copyright (C) 1997, 2012 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 @@ -18,6 +18,8 @@ #ifndef _BYTESWAP_H #define _BYTESWAP_H 1 +#include <features.h> + /* Get the machine specific, optimized definitions. */ #include <bits/byteswap.h> @@ -31,7 +33,7 @@ /* Return a value with all bytes in the 32 bit argument swapped. */ #define bswap_32(x) __bswap_32 (x) -#if defined __GNUC__ && __GNUC__ >= 2 +#if __GLIBC_HAVE_LONG_LONG /* Return a value with all bytes in the 64 bit argument swapped. */ # define bswap_64(x) __bswap_64 (x) #endif |