mirror of
https://github.com/sheumann/hush.git
synced 2024-12-21 23:29:34 +00:00
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/*
|
|
Copyright 2006, Bernhard Fischer
|
|
|
|
Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
|
*/
|
|
#ifndef __PLATFORM_H
|
|
#define __PLATFORM_H 1
|
|
|
|
/* Convenience macros to test the version of gcc. */
|
|
#undef __GNUC_PREREQ
|
|
#if defined __GNUC__ && defined __GNUC_MINOR__
|
|
# define __GNUC_PREREQ(maj, min) \
|
|
((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
|
|
#else
|
|
# define __GNUC_PREREQ(maj, min) 0
|
|
#endif
|
|
|
|
/* __restrict is known in EGCS 1.2 and above. */
|
|
#if !__GNUC_PREREQ (2,92)
|
|
# ifndef __restrict
|
|
# define __restrict /* Ignore */
|
|
# endif
|
|
#endif
|
|
|
|
/* Define macros for some gcc attributes. This permits us to use the
|
|
macros freely, and know that they will come into play for the
|
|
version of gcc in which they are supported. */
|
|
|
|
#if !__GNUC_PREREQ (2,7)
|
|
# ifndef __attribute__
|
|
# define __attribute__(x)
|
|
# endif
|
|
#endif
|
|
|
|
#if 0
|
|
/* Attribute __malloc__ on functions was valid as of gcc 2.96. */
|
|
#ifndef ATTRIBUTE_MALLOC
|
|
# if __GNUC_PREREQ (2,96)
|
|
# define ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
|
|
# else
|
|
# define ATTRIBUTE_MALLOC
|
|
# endif /* GNUC >= 2.96 */
|
|
#endif /* ATTRIBUTE_MALLOC */
|
|
#endif
|
|
|
|
#ifndef ATTRIBUTE_UNUSED
|
|
#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
|
|
#endif /* ATTRIBUTE_UNUSED */
|
|
|
|
#ifndef ATTRIBUTE_NORETURN
|
|
#define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
|
|
#endif /* ATTRIBUTE_NORETURN */
|
|
|
|
#ifndef ATTRIBUTE_PACKED
|
|
#define ATTRIBUTE_PACKED __attribute__ ((__packed__))
|
|
#endif /* ATTRIBUTE_NORETURN */
|
|
|
|
/* -fwhole-program makes all symbols local. The attribute externally_visible
|
|
forces a symbol global. */
|
|
#ifndef ATTRIBUTE_EXTERNALLY_VISIBLE
|
|
# if __GNUC_PREREQ (4,1)
|
|
# define ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((__externally_visible__))
|
|
# else
|
|
# define ATTRIBUTE_EXTERNALLY_VISIBLE
|
|
# endif /* GNUC >= 4.1 */
|
|
#endif /* ATTRIBUTE_EXTERNALLY_VISIBLE */
|
|
|
|
/* We use __extension__ in some places to suppress -pedantic warnings
|
|
about GCC extensions. This feature didn't work properly before
|
|
gcc 2.8. */
|
|
#if !__GNUC_PREREQ (2,8)
|
|
# ifndef __extension__
|
|
# define __extension__
|
|
# endif
|
|
#endif
|
|
|
|
|
|
/* include USAGE_APPLET_x helper macros for usage.h. */
|
|
/*
|
|
#include "_usage.h"
|
|
*/
|
|
#endif /* platform.h */
|