1 /* config-bot.h */ 2 /* modify settings or make new ones based on what autoconf tells us. */ 3 4 /* Copyright (C) 1989-2009 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 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation, either version 3 of the License, or 11 (at your option) any later version. 12 13 Bash is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with Bash. If not, see <http://www.gnu.org/licenses/>. 20 */ 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 one that does not dynamically allocate memory, 74 #undef HAVE_GETCWD so the replacement in getcwd.c will be built. We do 75 not do this on Solaris, because their implementation of loopback mounts 76 breaks the traditional file system assumptions that getcwd uses. */ 77 #if defined (HAVE_GETCWD) && defined (GETCWD_BROKEN) && !defined (SOLARIS) 78 # undef HAVE_GETCWD 79 #endif 80 81 #if !defined (HAVE_DEV_FD) && defined (NAMED_PIPES_MISSING) 82 # undef PROCESS_SUBSTITUTION 83 #endif 84 85 #if defined (JOB_CONTROL_MISSING) 86 # undef JOB_CONTROL 87 #endif 88 89 #if defined (STRCOLL_BROKEN) 90 # undef HAVE_STRCOLL 91 #endif 92 93 #if !defined (HAVE_POSIX_REGEXP) 94 # undef COND_REGEXP 95 #endif 96 97 #if !HAVE_MKSTEMP 98 # undef USE_MKSTEMP 99 #endif 100 101 #if !HAVE_MKDTEMP 102 # undef USE_MKDTMP 103 #endif 104 105 /* If the shell is called by this name, it will become restricted. */ 106 #if defined (RESTRICTED_SHELL) 107 # define RESTRICTED_SHELL_NAME "rbash" 108 #endif 109 110 /***********************************************************/ 111 /* Make sure feature defines have necessary prerequisites. */ 112 /***********************************************************/ 113 114 /* BANG_HISTORY requires HISTORY. */ 115 #if defined (BANG_HISTORY) && !defined (HISTORY) 116 # define HISTORY 117 #endif /* BANG_HISTORY && !HISTORY */ 118 119 #if defined (READLINE) && !defined (HISTORY) 120 # define HISTORY 121 #endif 122 123 #if defined (PROGRAMMABLE_COMPLETION) && !defined (READLINE) 124 # undef PROGRAMMABLE_COMPLETION 125 #endif 126 127 #if !defined (V9_ECHO) 128 # undef DEFAULT_ECHO_TO_XPG 129 #endif 130 131 #if !defined (PROMPT_STRING_DECODE) 132 # undef PPROMPT 133 # define PPROMPT "$ " 134 #endif 135 136 #if !defined (HAVE_SYSLOG) || !defined (HAVE_SYSLOG_H) 137 # undef SYSLOG_HISTORY 138 #endif 139 140 /************************************************/ 141 /* check multibyte capability for I18N code */ 142 /************************************************/ 143 144 /* For platforms which support the ISO C amendment 1 functionality we 145 support user defined character classes. */ 146 /* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>. */ 147 #if defined (HAVE_WCTYPE_H) && defined (HAVE_WCHAR_H) && defined (HAVE_LOCALE_H) 148 # include <wchar.h> 149 # include <wctype.h> 150 # if defined (HAVE_ISWCTYPE) && \ 151 defined (HAVE_ISWLOWER) && \ 152 defined (HAVE_ISWUPPER) && \ 153 defined (HAVE_MBSRTOWCS) && \ 154 defined (HAVE_MBRTOWC) && \ 155 defined (HAVE_MBRLEN) && \ 156 defined (HAVE_TOWLOWER) && \ 157 defined (HAVE_TOWUPPER) && \ 158 defined (HAVE_WCHAR_T) && \ 159 defined (HAVE_WCTYPE_T) && \ 160 defined (HAVE_WINT_T) && \ 161 defined (HAVE_WCWIDTH) && \ 162 defined (HAVE_WCTYPE) 163 /* system is supposed to support XPG5 */ 164 # define HANDLE_MULTIBYTE 1 165 # endif 166 #endif 167 168 /* If we don't want multibyte chars even on a system that supports them, let 169 the configuring user turn multibyte support off. */ 170 #if defined (NO_MULTIBYTE_SUPPORT) 171 # undef HANDLE_MULTIBYTE 172 #endif 173 174 /* Some systems, like BeOS, have multibyte encodings but lack mbstate_t. */ 175 #if HANDLE_MULTIBYTE && !defined (HAVE_MBSTATE_T) 176 # define wcsrtombs(dest, src, len, ps) (wcsrtombs) (dest, src, len, 0) 177 # define mbsrtowcs(dest, src, len, ps) (mbsrtowcs) (dest, src, len, 0) 178 # define wcrtomb(s, wc, ps) (wcrtomb) (s, wc, 0) 179 # define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0) 180 # define mbrlen(s, n, ps) (mbrlen) (s, n, 0) 181 # define mbstate_t int 182 #endif 183 184 /* Make sure MB_LEN_MAX is at least 16 (some systems define 185 MB_LEN_MAX as 1) */ 186 #ifdef HANDLE_MULTIBYTE 187 # include <limits.h> 188 # if defined(MB_LEN_MAX) && (MB_LEN_MAX < 16) 189 # undef MB_LEN_MAX 190 # endif 191 # if !defined (MB_LEN_MAX) 192 # define MB_LEN_MAX 16 193 # endif 194 #endif 195 196 /************************************************/ 197 /* end of multibyte capability checks for I18N */ 198 /************************************************/ 199 200 /******************************************************************/ 201 /* Placeholder for builders to #undef any unwanted features from */ 202 /* config-top.h or created by configure (such as the default mail */ 203 /* file for mail checking). */ 204 /******************************************************************/ 205 206 /* If you don't want bash to provide a default mail file to check. */ 207 /* #undef DEFAULT_MAIL_DIRECTORY */ 208