ld/sysdep.h

   1 /* sysdep.h -- handle host dependencies for the GNU linker
   2    Copyright 1995, 1996, 1997, 1999, 2002, 2003, 2005, 2007, 2012
   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 STRING_WITH_STRINGS
  33 #include <string.h>
  34 #include <strings.h>
  35 #else
  36 #ifdef HAVE_STRING_H
  37 #include <string.h>
  38 #else
  39 #ifdef HAVE_STRINGS_H
  40 #include <strings.h>
  41 #else
  42 extern char *strchr ();
  43 extern char *strrchr ();
  44 #endif
  45 #endif
  46 #endif
  47
  48 #ifdef HAVE_STDLIB_H
  49 #include <stdlib.h>
  50 #endif
  51
  52 #ifdef HAVE_UNISTD_H
  53 #include <unistd.h>
  54 #endif
  55
  56 /* for PATH_MAX */
  57 #ifdef HAVE_LIMITS_H
  58 #include <limits.h>
  59 #endif
  60 /* for MAXPATHLEN */
  61 #ifdef HAVE_SYS_PARAM_H
  62 #include <sys/param.h>
  63 #endif
  64 #ifdef PATH_MAX
  65 # define LD_PATHMAX PATH_MAX
  66 #else
  67 # ifdef MAXPATHLEN
  68 #  define LD_PATHMAX MAXPATHLEN
  69 # else
  70 #  define LD_PATHMAX 1024
  71 # endif
  72 #endif
  73
  74 #ifdef HAVE_REALPATH
  75 # define REALPATH(a,b) realpath (a, b)
  76 #else
  77 # define REALPATH(a,b) NULL
  78 #endif
  79
  80 #ifdef HAVE_UNISTD_H
  81 #include <unistd.h>
  82 #endif
  83
  84 #ifdef USE_BINARY_FOPEN
  85 #include "fopen-bin.h"
  86 #else
  87 #include "fopen-same.h"
  88 #endif
  89
  90 #ifdef HAVE_FCNTL_H
  91 #include <fcntl.h>
  92 #else
  93 #ifdef HAVE_SYS_FILE_H
  94 #include <sys/file.h>
  95 #endif
  96 #endif
  97
  98 #ifdef HAVE_DLFCN_H
  99 #include <dlfcn.h>
 100 #endif
 101
 102 #ifndef O_RDONLY
 103 #define O_RDONLY 0
 104 #endif
 105 #ifndef O_WRONLY
 106 #define O_WRONLY 1
 107 #endif
 108 #ifndef O_RDWR
 109 #define O_RDWR 2
 110 #endif
 111 #ifndef O_ACCMODE
 112 #define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
 113 #endif
 114 /* Systems that don't already define this, don't need it.  */
 115 #ifndef O_BINARY
 116 #define O_BINARY 0
 117 #endif
 118
 119 #ifndef SEEK_SET
 120 #define SEEK_SET 0
 121 #endif
 122 #ifndef SEEK_CUR
 123 #define SEEK_CUR 1
 124 #endif
 125 #ifndef SEEK_END
 126 #define SEEK_END 2
 127 #endif
 128
 129 #if !HAVE_DECL_STRSTR
 130 extern char *strstr ();
 131 #endif
 132
 133 #if !HAVE_DECL_FREE
 134 extern void free ();
 135 #endif
 136
 137 #if !HAVE_DECL_GETENV
 138 extern char *getenv ();
 139 #endif
 140
 141 #if !HAVE_DECL_ENVIRON
 142 extern char **environ;
 143 #endif
 144
 145 #endif /* ! defined (LD_SYSDEP_H) */