source: vendor/bash/3.1/config-bot.h

/* config-bot.h */
/* modify settings or make new ones based on what autoconf tells us. */

/* Copyright (C) 1989-2002 Free Software Foundation, Inc.

   This file is part of GNU Bash, the Bourne Again SHell.

   Bash is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; either version 2, or (at your option) any later
   version.

   Bash is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   for more details.

   You should have received a copy of the GNU General Public License along
   with Bash; see the file COPYING.  If not, write to the Free Software
   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */

/*********************************************************/
/* Modify or set defines based on the configure results. */
/*********************************************************/

#if !defined (HAVE_VPRINTF) && defined (HAVE_DOPRNT)
#  define USE_VFPRINTF_EMULATION
#  define HAVE_VPRINTF
#endif

#if defined (HAVE_SYS_RESOURCE_H) && defined (HAVE_GETRLIMIT)
#  define HAVE_RESOURCE
#endif

#if !defined (GETPGRP_VOID)
#  define HAVE_BSD_PGRP
#endif

/* Try this without testing __STDC__ for the time being. */
#if defined (HAVE_STDARG_H)
#  define PREFER_STDARG
#  define USE_VARARGS
#else
#  if defined (HAVE_VARARGS_H)
#    define PREFER_VARARGS
#    define USE_VARARGS
#  endif
#endif

#if defined (HAVE_SYS_SOCKET_H) && defined (HAVE_GETPEERNAME) && defined (HAVE_NETINET_IN_H)
#  define HAVE_NETWORK
#endif

#if defined (HAVE_REGEX_H) && defined (HAVE_REGCOMP) && defined (HAVE_REGEXEC)
#  define HAVE_POSIX_REGEXP
#endif

/* backwards compatibility between different autoconf versions */
#if HAVE_DECL_SYS_SIGLIST && !defined (SYS_SIGLIST_DECLARED)
#  define SYS_SIGLIST_DECLARED
#endif

/***********************************************************************/
/* Unset defines based on what configure reports as missing or broken. */
/***********************************************************************/

/* Ultrix botches type-ahead when switching from canonical to
   non-canonical mode, at least through version 4.3 */
#if !defined (HAVE_TERMIOS_H) || !defined (HAVE_TCGETATTR) || defined (ultrix)
#  define TERMIOS_MISSING
#endif

/* If we have a getcwd(3), but it calls popen(), #undef HAVE_GETCWD so
   the replacement in getcwd.c will be built. */
#if defined (HAVE_GETCWD) && defined (GETCWD_BROKEN)
#  undef HAVE_GETCWD
#endif

#if !defined (HAVE_DEV_FD) && defined (NAMED_PIPES_MISSING)
#  undef PROCESS_SUBSTITUTION
#endif

#if defined (JOB_CONTROL_MISSING)
#  undef JOB_CONTROL
#endif

#if defined (STRCOLL_BROKEN)
#  undef HAVE_STRCOLL
#endif

#if !defined (HAVE_POSIX_REGEXP)
#  undef COND_REGEXP
#endif

/* If the shell is called by this name, it will become restricted. */
#if defined (RESTRICTED_SHELL)
#  define RESTRICTED_SHELL_NAME "rbash"
#endif

/***********************************************************/
/* Make sure feature defines have necessary prerequisites. */
/***********************************************************/

/* BANG_HISTORY requires HISTORY. */
#if defined (BANG_HISTORY) && !defined (HISTORY)
#  define HISTORY
#endif /* BANG_HISTORY && !HISTORY */

#if defined (READLINE) && !defined (HISTORY)
#  define HISTORY
#endif

#if defined (PROGRAMMABLE_COMPLETION) && !defined (READLINE)
#  undef PROGRAMMABLE_COMPLETION
#endif

#if !defined (V9_ECHO)
#  undef DEFAULT_ECHO_TO_XPG
#endif

#if !defined (PROMPT_STRING_DECODE)
#  undef PPROMPT
#  define PPROMPT "$ "
#endif

/************************************************/
/* check multibyte capability for I18N code     */
/************************************************/

/* For platforms which support the ISO C amendement 1 functionality we
   support user defined character classes.  */
/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>.  */
#if defined (HAVE_WCTYPE_H) && defined (HAVE_WCHAR_H)
#  include <wchar.h>
#  include <wctype.h>
#  if defined (HAVE_MBSRTOWCS) && defined (HAVE_MBRTOWC) && defined (HAVE_MBRLEN) && defined (HAVE_WCWIDTH)
     /* system is supposed to support XPG5 */
#    define HANDLE_MULTIBYTE      1
#  endif
#endif

/* If we don't want multibyte chars even on a system that supports them, let
   the configuring user turn multibyte support off. */
#if defined (NO_MULTIBYTE_SUPPORT)
#  undef HANDLE_MULTIBYTE
#endif

/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
#if HANDLE_MULTIBYTE && !defined (HAVE_MBSTATE_T)
#  define wcsrtombs(dest, src, len, ps) (wcsrtombs) (dest, src, len, 0)
#  define mbsrtowcs(dest, src, len, ps) (mbsrtowcs) (dest, src, len, 0)
#  define wcrtomb(s, wc, ps) (wcrtomb) (s, wc, 0)
#  define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
#  define mbrlen(s, n, ps) (mbrlen) (s, n, 0)
#  define mbstate_t int
#endif

/* Make sure MB_LEN_MAX is at least 16 (some systems define
   MB_LEN_MAX as 1) */
#ifdef HANDLE_MULTIBYTE
#  include <limits.h>
#  if defined(MB_LEN_MAX) && (MB_LEN_MAX < 16)
#    undef MB_LEN_MAX
#  endif
#  if !defined (MB_LEN_MAX)
#    define MB_LEN_MAX 16
#  endif
#endif

/************************************************/
/* end of multibyte capability checks for I18N  */
/************************************************/

/******************************************************************/
/* Placeholder for builders to #undef any unwanted features from  */
/* config-top.h or created by configure (such as the default mail */
/* file for mail checking).                                       */
/******************************************************************/

/* If you don't want bash to provide a default mail file to check. */
/* #undef DEFAULT_MAIL_DIRECTORY */