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  1. /* Random host-dependent support code.
  2.    Copyright (C) 1995-2015 Free Software Foundation, Inc.
  3.    Written by Ken Raeburn.
  4.  
  5.    This file is part of the GNU opcodes library.
  6.  
  7.    This library 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, or (at your option)
  10.    any later version.
  11.  
  12.    It is distributed in the hope that it will be useful, but WITHOUT
  13.    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14.    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15.    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.  
  23. /* Do system-dependent stuff, mainly driven by autoconf-detected info.
  24.  
  25.    Well, some generic common stuff is done here too, like including
  26.    ansidecl.h.  That's because the .h files in bfd/hosts files I'm
  27.    trying to replace often did that.  If it can be dropped from this
  28.    file (check in a non-ANSI environment!), it should be.  */
  29.  
  30. #ifdef PACKAGE
  31. #error sysdep.h must be included in lieu of config.h
  32. #endif
  33.  
  34. #include "config.h"
  35.  
  36. #include "ansidecl.h"
  37.  
  38. #ifdef HAVE_STDLIB_H
  39. #include <stdlib.h>
  40. #endif
  41.  
  42. #ifdef STRING_WITH_STRINGS
  43. #include <string.h>
  44. #include <strings.h>
  45. #else
  46. #ifdef HAVE_STRING_H
  47. #include <string.h>
  48. #else
  49. #ifdef HAVE_STRINGS_H
  50. #include <strings.h>
  51. #endif
  52. #endif
  53. #endif
  54.  
  55. #if !HAVE_DECL_STPCPY
  56. extern char *stpcpy (char *__dest, const char *__src);
  57. #endif
  58.  
  59. /* Use sigsetjmp/siglongjmp without saving the signal mask if possible.
  60.    It is faster than setjmp/longjmp on systems where the signal mask is
  61.    saved.  */
  62.  
  63. #if defined(HAVE_SIGSETJMP)
  64. #define OPCODES_SIGJMP_BUF              sigjmp_buf
  65. #define OPCODES_SIGSETJMP(buf)          sigsetjmp((buf), 0)
  66. #define OPCODES_SIGLONGJMP(buf,val)     siglongjmp((buf), (val))
  67. #else
  68. #define OPCODES_SIGJMP_BUF              jmp_buf
  69. #define OPCODES_SIGSETJMP(buf)          setjmp(buf)
  70. #define OPCODES_SIGLONGJMP(buf,val)     longjmp((buf), (val))
  71. #endif
  72.