udev-076 and klibc

udev-076 and klibc

[Jürg Billeter]

Hi

Requiring glibc's byteswap seems to break the build of volume_id with
klibc 1.1.1 (klibc doesn't provide byteswap.h)

http://kernel.org/git/?p=linux/hotplug/udev.git;a=commit;hˆbe7e8887e9284666b7844bb0faa84fbb699fb2

Regards,

Jürg
-- 
Jürg Billeter <j@bitron.ch>



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Re: udev-076 and klibc

[Kay Sievers]

[-- Attachment #1: Type: text/plain, Size: 264 bytes --]

On Wed, Nov 30, 2005 at 09:41:47PM +0100, Jürg 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

[-- Attachment #2: byteswap.h --]
[-- Type: text/x-chdr, Size: 996 bytes --]

/*
 * 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 */