Add bash 5.2 to third_party

third_party/bash/config-bot.h

@@ -0,0 +1,207 @@
+/* config-bot.h */
+/* modify settings or make new ones based on what autoconf tells us. */
+
+/* Copyright (C) 1989-2021 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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*********************************************************/
+/* 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 one that does not dynamically allocate memory,
+   #undef HAVE_GETCWD so the replacement in getcwd.c will be built.  We do
+   not do this on Solaris, because their implementation of loopback mounts
+   breaks the traditional file system assumptions that getcwd uses. */
+#if defined (HAVE_GETCWD) && defined (GETCWD_BROKEN) && !defined (SOLARIS)
+#  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 !HAVE_MKSTEMP
+#  undef USE_MKSTEMP
+#endif
+
+#if !HAVE_MKDTEMP
+#  undef USE_MKDTEMP
+#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
+
+#if !defined (HAVE_SYSLOG) || !defined (HAVE_SYSLOG_H)
+#  undef SYSLOG_HISTORY
+#endif
+
+/************************************************/
+/* check multibyte capability for I18N code	*/
+/************************************************/
+
+/* For platforms which support the ISO C amendment 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) && defined (HAVE_LOCALE_H)
+#  include <wchar.h>
+#  include <wctype.h>
+#  if defined (HAVE_ISWCTYPE) && \
+      defined (HAVE_ISWLOWER) && \
+      defined (HAVE_ISWUPPER) && \
+      defined (HAVE_MBSRTOWCS) && \
+      defined (HAVE_MBRTOWC) && \
+      defined (HAVE_MBRLEN) && \
+      defined (HAVE_TOWLOWER) && \
+      defined (HAVE_TOWUPPER) && \
+      defined (HAVE_WCHAR_T) && \
+      defined (HAVE_WCTYPE_T) && \
+      defined (HAVE_WINT_T) && \
+      defined (HAVE_WCWIDTH) && \
+      defined (HAVE_WCTYPE)
+     /* 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 */