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/*
* File: localdecls.h
*
* Copyright 1999-2004 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
*/
#ifndef __LOCALDECLS_H__
#define __LOCALDECLS_H__
/* take care of broken ld loading */
#if defined(__GLIBC__) && !defined(__UCLIBC__)
# if __GLIBC__ <= 2 && __GLIBC_MINOR__ <= 2
# define BROKEN_RTLD_NEXT
# define LIBC 5
# endif
# if !defined(BROKEN_RTLD_NEXT)
# if defined(__mips__)
# define BROKEN_RTLD_NEXT
# endif
# endif
#else
#if 0
# if defined(__FreeBSD__)
# define BROKEN_RTLD_NEXT
# endif
#endif
#endif
#ifdef PATH_MAX
# define SB_PATH_MAX PATH_MAX * 2
# if (SB_PATH_MAX >= INT_MAX) || (SB_PATH_MAX < PATH_MAX)
# undef SB_PATH_MAX
# define SB_PATH_MAX PATH_MAX + 25
# if (SB_PATH_MAX >= INT_MAX) || (SB_PATH_MAX < PATH_MAX)
# error SB_PATH_MAX too big!
# endif
# endif
#else
# error PATH_MAX not defined!
#endif
#ifndef MAP_ANONYMOUS
# define MAP_ANONYMOUS MAP_ANON
#endif
#if !HAVE_DECL_ENVIRON
extern char **environ;
#endif
#ifndef HAVE_SIGHANDLER_T
# if defined(HAVE_SIG_T)
typedef sig_t sighandler_t;
# elif defined(HAVE___SIGHANDLER_T)
typedef __sighandler_t sighandler_t;
# else
# error "your system blows chunks: no signal() type"
# endif
#endif
/* If the system is old and does not support *at funcs, then define
* it ourself. Shouldn't matter based on how we use it.
*/
#ifndef AT_FDCWD
# define AT_FDCWD -100
#endif
#if !HAVE_DLVSYM
# define dlvsym(_lib, _sym, _ver) dlsym(_lib, _sym)
#endif
#if HAVE_DLVSYM
/* Taken from glibc */
# define symbol_version(_real, _name, _version) \
__asm__ (".symver " #_real "," #_name "@" #_version)
# define default_symbol_version(_real, _name, _version) \
__asm__ (".symver " #_real "," #_name "@@" #_version)
#endif
/* Taken from glibc */
# define strong_alias(_name, _aliasname) \
extern __typeof (_name) _aliasname __attribute__ ((alias (#_name)));
# define weak_alias(_name, _aliasname) \
extern __typeof (_name) _aliasname __attribute__ ((weak, alias (#_name)));
#define attribute_hidden __attribute__((visibility("hidden")))
#endif
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