ld/sysdep.h

   1 /* sysdep.h -- handle host dependencies for the GNU linker
   2    Copyright 1995, 1996, 1997, 1999, 2002, 2003, 2005, 2007
   3    Free Software Foundation, Inc.
   4
   5    This file is part of the GNU Binutils.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22 #ifndef LD_SYSDEP_H
  23 #define LD_SYSDEP_H
  24
  25 #include "config.h"
  26
  27 #include <stdio.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <stdarg.h>
  31
  32 #ifdef HAVE_STRING_H
  33 #include <string.h>
  34 #else
  35 #ifdef HAVE_STRINGS_H
  36 #include <strings.h>
  37 #else
  38 extern char *strchr ();
  39 extern char *strrchr ();
  40 #endif
  41 #endif
  42
  43 #ifdef HAVE_STDLIB_H
  44 #include <stdlib.h>
  45 #endif
  46
  47 #ifdef HAVE_UNISTD_H
  48 #include <unistd.h>
  49 #endif
  50
  51 /* for PATH_MAX */
  52 #ifdef HAVE_LIMITS_H
  53 #include <limits.h>
  54 #endif
  55 /* for MAXPATHLEN */
  56 #ifdef HAVE_SYS_PARAM_H
  57 #include <sys/param.h>
  58 #endif
  59 #ifdef PATH_MAX
  60 # define LD_PATHMAX PATH_MAX
  61 #else
  62 # ifdef MAXPATHLEN
  63 #  define LD_PATHMAX MAXPATHLEN
  64 # else
  65 #  define LD_PATHMAX 1024
  66 # endif
  67 #endif
  68
  69 #ifdef HAVE_REALPATH
  70 # define REALPATH(a,b) realpath (a, b)
  71 #else
  72 # define REALPATH(a,b) NULL
  73 #endif
  74
  75 #ifdef HAVE_UNISTD_H
  76 #include <unistd.h>
  77 #endif
  78
  79 #ifdef USE_BINARY_FOPEN
  80 #include "fopen-bin.h"
  81 #else
  82 #include "fopen-same.h"
  83 #endif
  84
  85 #ifdef HAVE_FCNTL_H
  86 #include <fcntl.h>
  87 #else
  88 #ifdef HAVE_SYS_FILE_H
  89 #include <sys/file.h>
  90 #endif
  91 #endif
  92
  93 #ifdef HAVE_DLFCN_H
  94 #include <dlfcn.h>
  95 #endif
  96
  97 #ifndef O_RDONLY
  98 #define O_RDONLY 0
  99 #endif
 100 #ifndef O_WRONLY
 101 #define O_WRONLY 1
 102 #endif
 103 #ifndef O_RDWR
 104 #define O_RDWR 2
 105 #endif
 106 #ifndef O_ACCMODE
 107 #define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
 108 #endif
 109 /* Systems that don't already define this, don't need it.  */
 110 #ifndef O_BINARY
 111 #define O_BINARY 0
 112 #endif
 113
 114 #ifndef SEEK_SET
 115 #define SEEK_SET 0
 116 #endif
 117 #ifndef SEEK_CUR
 118 #define SEEK_CUR 1
 119 #endif
 120 #ifndef SEEK_END
 121 #define SEEK_END 2
 122 #endif
 123
 124 #if !HAVE_DECL_STRSTR
 125 extern char *strstr ();
 126 #endif
 127
 128 #if !HAVE_DECL_FREE
 129 extern void free ();
 130 #endif
 131
 132 #if !HAVE_DECL_GETENV
 133 extern char *getenv ();
 134 #endif
 135
 136 #if !HAVE_DECL_ENVIRON
 137 extern char **environ;
 138 #endif
 139
 140 #endif /* ! defined (LD_SYSDEP_H) */