prex-old/include/sys/cdefs.h - diff

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Diff for /prex-old/include/sys/cdefs.h between version 1.1.1.1 and 1.1.1.1.2.1

version 1.1.1.1, 2008/06/03 10:38:44

version 1.1.1.1.2.1, 2008/08/13 17:12:27

Line 35

#ifndef _SYS_CDEFS_H_

#define _SYS_CDEFS_H_

* Macro to test if we're using a GNU C compiler of a specific vintage

* or later, for e.g. features that appeared in a particular version

* of GNU C. Usage:

* #if __GNUC_PREREQ__(major, minor)

* ...cool feature...

* #else

* ...delete feature...

* #endif

#ifdef __GNUC__

#define __GNUC_PREREQ__(x, y) \

((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \

(__GNUC__ > (x)))

#else

#define __GNUC_PREREQ__(x, y) 0

#endif

#if defined(__cplusplus)

#define __BEGIN_DECLS extern "C" {

#define __END_DECLS };

Line 43

Line 62

#define __END_DECLS

#endif

#if defined(__STDC__) || defined(__cplusplus)

#define __CONCAT(x,y) x ## y

#define __STRING(x) #x

#if defined(__cplusplus) || defined(__PCC__)

#define __inline inline /* convert to C++/C99 keyword */

#else

#define __CONCAT(x,y) x/**/y

#ifndef __GNUC__

#define __STRING(x) "x"

#define __inline /* delete GCC keyword */

#endif

#endif /* !__cplusplus */

#ifdef __GNUC__

#define __packed __attribute__((__packed__))

#define __noreturn __attribute__((__noreturn__))

#elif defined(__lint__)

#define __packed /* delete */

#define __noreturn /* delete */

#elif defined(__PCC__)

#define __packed _Pragma("packed")

#define __noreturn /* delete */

#else

#define __packed error: no __packed for this compiler

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