config-bot.h

   1 /* config-bot.h */
   2 /* modify settings or make new ones based on what autoconf tells us. */
   3
   4 /* Copyright (C) 1989-2002 Free Software Foundation, Inc.
   5
   6    This file is part of GNU Bash, the Bourne Again SHell.
   7
   8    Bash is free software; you can redistribute it and/or modify it under
   9    the terms of the GNU General Public License as published by the Free
  10    Software Foundation; either version 2, or (at your option) any later
  11    version.
  12
  13    Bash is distributed in the hope that it will be useful, but WITHOUT ANY
  14    WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16    for more details.
  17
  18    You should have received a copy of the GNU General Public License along
  19    with Bash; see the file COPYING.  If not, write to the Free Software
  20    Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
  21
  22 /*********************************************************/
  23 /* Modify or set defines based on the configure results. */
  24 /*********************************************************/
  25
  26 #if !defined (HAVE_VPRINTF) && defined (HAVE_DOPRNT)
  27 #  define USE_VFPRINTF_EMULATION
  28 #  define HAVE_VPRINTF
  29 #endif
  30
  31 #if defined (HAVE_SYS_RESOURCE_H) && defined (HAVE_GETRLIMIT)
  32 #  define HAVE_RESOURCE
  33 #endif
  34
  35 #if !defined (GETPGRP_VOID)
  36 #  define HAVE_BSD_PGRP
  37 #endif
  38
  39 /* Try this without testing __STDC__ for the time being. */
  40 #if defined (HAVE_STDARG_H)
  41 #  define PREFER_STDARG
  42 #  define USE_VARARGS
  43 #else
  44 #  if defined (HAVE_VARARGS_H)
  45 #    define PREFER_VARARGS
  46 #    define USE_VARARGS
  47 #  endif
  48 #endif
  49
  50 #if defined (HAVE_SYS_SOCKET_H) && defined (HAVE_GETPEERNAME) && defined (HAVE_NETINET_IN_H)
  51 #  define HAVE_NETWORK
  52 #endif
  53
  54 #if defined (HAVE_REGEX_H) && defined (HAVE_REGCOMP) && defined (HAVE_REGEXEC)
  55 #  define HAVE_POSIX_REGEXP
  56 #endif
  57
  58 /* backwards compatibility between different autoconf versions */
  59 #if HAVE_DECL_SYS_SIGLIST && !defined (SYS_SIGLIST_DECLARED)
  60 #  define SYS_SIGLIST_DECLARED
  61 #endif
  62
  63 /***********************************************************************/
  64 /* Unset defines based on what configure reports as missing or broken. */
  65 /***********************************************************************/
  66
  67 /* Ultrix botches type-ahead when switching from canonical to
  68    non-canonical mode, at least through version 4.3 */
  69 #if !defined (HAVE_TERMIOS_H) || !defined (HAVE_TCGETATTR) || defined (ultrix)
  70 #  define TERMIOS_MISSING
  71 #endif
  72
  73 /* If we have a getcwd(3), but it calls popen(), #undef HAVE_GETCWD so
  74    the replacement in getcwd.c will be built. */
  75 #if defined (HAVE_GETCWD) && defined (GETCWD_BROKEN)
  76 #  undef HAVE_GETCWD
  77 #endif
  78
  79 #if !defined (HAVE_DEV_FD) && defined (NAMED_PIPES_MISSING)
  80 #  undef PROCESS_SUBSTITUTION
  81 #endif
  82
  83 #if defined (JOB_CONTROL_MISSING)
  84 #  undef JOB_CONTROL
  85 #endif
  86
  87 #if defined (STRCOLL_BROKEN)
  88 #  undef HAVE_STRCOLL
  89 #endif
  90
  91 #if !defined (HAVE_POSIX_REGEXP)
  92 #  undef COND_REGEXP
  93 #endif
  94
  95 /* If the shell is called by this name, it will become restricted. */
  96 #if defined (RESTRICTED_SHELL)
  97 #  define RESTRICTED_SHELL_NAME "rbash"
  98 #endif
  99
 100 /***********************************************************/
 101 /* Make sure feature defines have necessary prerequisites. */
 102 /***********************************************************/
 103
 104 /* BANG_HISTORY requires HISTORY. */
 105 #if defined (BANG_HISTORY) && !defined (HISTORY)
 106 #  define HISTORY
 107 #endif /* BANG_HISTORY && !HISTORY */
 108
 109 #if defined (READLINE) && !defined (HISTORY)
 110 #  define HISTORY
 111 #endif
 112
 113 #if defined (PROGRAMMABLE_COMPLETION) && !defined (READLINE)
 114 #  undef PROGRAMMABLE_COMPLETION
 115 #endif
 116
 117 #if !defined (V9_ECHO)
 118 #  undef DEFAULT_ECHO_TO_XPG
 119 #endif
 120
 121 #if !defined (PROMPT_STRING_DECODE)
 122 #  undef PPROMPT
 123 #  define PPROMPT "$ "
 124 #endif
 125
 126 /************************************************/
 127 /* check multibyte capability for I18N code     */
 128 /************************************************/
 129
 130 /* For platforms which support the ISO C amendement 1 functionality we
 131    support user defined character classes.  */
 132 /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>.  */
 133 #if defined (HAVE_WCTYPE_H) && defined (HAVE_WCHAR_H) && defined (HAVE_LOCALE_H)
 134 #  include <wchar.h>
 135 #  include <wctype.h>
 136 #  if defined (HAVE_ISWCTYPE) && \
 137       defined (HAVE_ISWLOWER) && \
 138       defined (HAVE_ISWUPPER) && \
 139       defined (HAVE_MBSRTOWCS) && \
 140       defined (HAVE_MBRTOWC) && \
 141       defined (HAVE_MBRLEN) && \
 142       defined (HAVE_TOWLOWER) && \
 143       defined (HAVE_TOWUPPER) && \
 144       defined (HAVE_WCHAR_T) && \
 145       defined (HAVE_WCTYPE_T) && \
 146       defined (HAVE_WINT_T) && \
 147       defined (HAVE_WCWIDTH) && \
 148       defined (HAVE_WCTYPE)
 149      /* system is supposed to support XPG5 */
 150 #    define HANDLE_MULTIBYTE      1
 151 #  endif
 152 #endif
 153
 154 /* If we don't want multibyte chars even on a system that supports them, let
 155    the configuring user turn multibyte support off. */
 156 #if defined (NO_MULTIBYTE_SUPPORT)
 157 #  undef HANDLE_MULTIBYTE
 158 #endif
 159
 160 /* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
 161 #if HANDLE_MULTIBYTE && !defined (HAVE_MBSTATE_T)
 162 #  define wcsrtombs(dest, src, len, ps) (wcsrtombs) (dest, src, len, 0)
 163 #  define mbsrtowcs(dest, src, len, ps) (mbsrtowcs) (dest, src, len, 0)
 164 #  define wcrtomb(s, wc, ps) (wcrtomb) (s, wc, 0)
 165 #  define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
 166 #  define mbrlen(s, n, ps) (mbrlen) (s, n, 0)
 167 #  define mbstate_t int
 168 #endif
 169
 170 /* Make sure MB_LEN_MAX is at least 16 (some systems define
 171    MB_LEN_MAX as 1) */
 172 #ifdef HANDLE_MULTIBYTE
 173 #  include <limits.h>
 174 #  if defined(MB_LEN_MAX) && (MB_LEN_MAX < 16)
 175 #    undef MB_LEN_MAX
 176 #  endif
 177 #  if !defined (MB_LEN_MAX)
 178 #    define MB_LEN_MAX 16
 179 #  endif
 180 #endif
 181
 182 /************************************************/
 183 /* end of multibyte capability checks for I18N  */
 184 /************************************************/
 185
 186 /******************************************************************/
 187 /* Placeholder for builders to #undef any unwanted features from  */
 188 /* config-top.h or created by configure (such as the default mail */
 189 /* file for mail checking).                                       */
 190 /******************************************************************/
 191
 192 /* If you don't want bash to provide a default mail file to check. */
 193 /* #undef DEFAULT_MAIL_DIRECTORY */