From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kay Sievers <kay.sievers@vrfy.org>
Date: Wed, 30 Nov 2005 23:17:01 +0000
Subject: Re: udev-076 and klibc
Message-Id: <20051130231701.GA5871@vrfy.org>
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To: linux-hotplug@vger.kernel.org


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On Wed, Nov 30, 2005 at 09:41:47PM +0100, J=C3=BCrg Billeter wrote:
> Requiring glibc's byteswap seems to break the build of volume_id with
> klibc 1.1.1 (klibc doesn't provide byteswap.h)

Yes, I know. You need to add the attached file to the klibc tree.

Kay

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/*
 * elf.h
 */

#ifndef _BYTESWAP_H
#define _BYTESWAP_H

#define bswap_16(x) \
	((__u16)( \
		(((__u16)(x) & (__u16)0x00ffU) << 8) | \
		(((__u16)(x) & (__u16)0xff00U) >> 8) ))
#define bswap_32(x) \
	((__u32)( \
		(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
		(((__u32)(x) & (__u32)0x0000ff00UL) <<  8) | \
		(((__u32)(x) & (__u32)0x00ff0000UL) >>  8) | \
		(((__u32)(x) & (__u32)0xff000000UL) >> 24) ))
#define bswap_64(x) \
	((__u64)( \
		(__u64)(((__u64)(x) & (__u64)0x00000000000000ffULL) << 56) | \
		(__u64)(((__u64)(x) & (__u64)0x000000000000ff00ULL) << 40) | \
		(__u64)(((__u64)(x) & (__u64)0x0000000000ff0000ULL) << 24) | \
		(__u64)(((__u64)(x) & (__u64)0x00000000ff000000ULL) <<  8) | \
	        (__u64)(((__u64)(x) & (__u64)0x000000ff00000000ULL) >>  8) | \
		(__u64)(((__u64)(x) & (__u64)0x0000ff0000000000ULL) >> 24) | \
		(__u64)(((__u64)(x) & (__u64)0x00ff000000000000ULL) >> 40) | \
		(__u64)(((__u64)(x) & (__u64)0xff00000000000000ULL) >> 56) ))

#endif /* _BYTESWAP_H */


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