ld/sysdep.h

   1 /* sysdep.h -- handle host dependencies for the GNU linker
   2    Copyright (C) 1995-2014 Free Software Foundation, Inc.
   3
   4    This file is part of the GNU Binutils.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 #ifndef LD_SYSDEP_H
  22 #define LD_SYSDEP_H
  23
  24 #ifdef PACKAGE
  25 #error sysdep.h must be included in lieu of config.h
  26 #endif
  27
  28 #include "config.h"
  29
  30 #include <stdio.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33 #include <stdarg.h>
  34
  35 #ifdef STRING_WITH_STRINGS
  36 #include <string.h>
  37 #include <strings.h>
  38 #else
  39 #ifdef HAVE_STRING_H
  40 #include <string.h>
  41 #else
  42 #ifdef HAVE_STRINGS_H
  43 #include <strings.h>
  44 #else
  45 extern char *strchr ();
  46 extern char *strrchr ();
  47 #endif
  48 #endif
  49 #endif
  50
  51 #ifdef HAVE_STDLIB_H
  52 #include <stdlib.h>
  53 #endif
  54
  55 #ifdef HAVE_UNISTD_H
  56 #include <unistd.h>
  57 #endif
  58
  59 /* for PATH_MAX */
  60 #ifdef HAVE_LIMITS_H
  61 #include <limits.h>
  62 #endif
  63 /* for MAXPATHLEN */
  64 #ifdef HAVE_SYS_PARAM_H
  65 #include <sys/param.h>
  66 #endif
  67 #ifdef PATH_MAX
  68 # define LD_PATHMAX PATH_MAX
  69 #else
  70 # ifdef MAXPATHLEN
  71 #  define LD_PATHMAX MAXPATHLEN
  72 # else
  73 #  define LD_PATHMAX 1024
  74 # endif
  75 #endif
  76
  77 #ifdef HAVE_REALPATH
  78 # define REALPATH(a,b) realpath (a, b)
  79 #else
  80 # define REALPATH(a,b) NULL
  81 #endif
  82
  83 #ifdef HAVE_UNISTD_H
  84 #include <unistd.h>
  85 #endif
  86
  87 #ifdef USE_BINARY_FOPEN
  88 #include "fopen-bin.h"
  89 #else
  90 #include "fopen-same.h"
  91 #endif
  92
  93 #ifdef HAVE_FCNTL_H
  94 #include <fcntl.h>
  95 #else
  96 #ifdef HAVE_SYS_FILE_H
  97 #include <sys/file.h>
  98 #endif
  99 #endif
 100
 101 #ifdef HAVE_DLFCN_H
 102 #include <dlfcn.h>
 103 #endif
 104
 105 #ifndef O_RDONLY
 106 #define O_RDONLY 0
 107 #endif
 108 #ifndef O_WRONLY
 109 #define O_WRONLY 1
 110 #endif
 111 #ifndef O_RDWR
 112 #define O_RDWR 2
 113 #endif
 114 #ifndef O_ACCMODE
 115 #define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
 116 #endif
 117 /* Systems that don't already define this, don't need it.  */
 118 #ifndef O_BINARY
 119 #define O_BINARY 0
 120 #endif
 121
 122 #ifndef SEEK_SET
 123 #define SEEK_SET 0
 124 #endif
 125 #ifndef SEEK_CUR
 126 #define SEEK_CUR 1
 127 #endif
 128 #ifndef SEEK_END
 129 #define SEEK_END 2
 130 #endif
 131
 132 #if !HAVE_DECL_STRSTR
 133 extern char *strstr ();
 134 #endif
 135
 136 #if !HAVE_DECL_FREE
 137 extern void free ();
 138 #endif
 139
 140 #if !HAVE_DECL_GETENV
 141 extern char *getenv ();
 142 #endif
 143
 144 #if !HAVE_DECL_ENVIRON
 145 extern char **environ;
 146 #endif
 147
 148 #endif /* ! defined (LD_SYSDEP_H) */