Adding upstream version 5.1.upstream/5.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1310 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..2fe3e7d
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,1310 @@
+dnl
+dnl Configure script for bash-5.1
+dnl
+dnl report bugs to chet@po.cwru.edu
+dnl
+dnl Process this file with autoconf to produce a configure script.
+
+# Copyright (C) 1987-2020 Free Software Foundation, Inc.
+
+#
+#   This program 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.
+#
+#   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+AC_REVISION([for Bash 5.1, version 5.022])dnl
+
+define(bashvers, 5.1)
+define(relstatus, release)
+
+AC_INIT([bash], bashvers-relstatus, [bug-bash@gnu.org])
+
+dnl make sure we are using a recent autoconf version
+AC_PREREQ(2.61)
+
+AC_CONFIG_SRCDIR(shell.h)
+dnl where to find install.sh, config.sub, and config.guess
+AC_CONFIG_AUX_DIR(./support)
+AC_CONFIG_HEADERS(config.h)
+
+dnl checks for version info
+BASHVERS=bashvers
+RELSTATUS=relstatus
+
+dnl defaults for debug settings
+case "$RELSTATUS" in
+alp*|bet*|dev*|rc*|releng*|maint*)	DEBUG='-DDEBUG' MALLOC_DEBUG='-DMALLOC_DEBUG' ;;
+*)	DEBUG= MALLOC_DEBUG= ;;
+esac
+
+dnl canonicalize the host and os so we can do some tricky things before
+dnl parsing options
+AC_CANONICAL_HOST
+AC_CANONICAL_BUILD
+
+dnl configure defaults
+opt_bash_malloc=yes
+opt_afs=no
+opt_curses=no
+opt_with_installed_readline=no
+
+#htmldir=
+
+dnl some systems should be configured without the bash malloc by default
+dnl and some need a special compiler or loader
+dnl look in the NOTES file for more
+case "${host_cpu}-${host_os}" in
+# mostly obsolete platforms
+alpha*-*)	opt_bash_malloc=no ;;	# alpha running osf/1 or linux
+*[[Cc]]ray*-*)	opt_bash_malloc=no ;;	# Crays
+*-osf1*)	opt_bash_malloc=no ;;	# other osf/1 machines
+*-dgux*)	opt_bash_malloc=no ;;	# DG/UX machines
+sparc-svr4*)	opt_bash_malloc=no ;;	# sparc SVR4, SVR4.2
+m68k-sysv)	opt_bash_malloc=no ;;	# fixes file descriptor leak in closedir
+*-bsdi2.1|*-bsdi3.?)	opt_bash_malloc=no ; : ${CC:=shlicc2} ;; # for loadable builtins
+*-opennt*|*-interix*)	opt_bash_malloc=no ;;	# Interix, now owned by Microsoft
+*-beos*)	opt_bash_malloc=no ;;	# they say it's suitable
+# These need additional investigation
+sparc-linux*)	opt_bash_malloc=no ;;	# sparc running linux; requires ELF
+*-aix*)		opt_bash_malloc=no ;;	# AIX machines
+*-cygwin*)	opt_bash_malloc=no ;;	# Cygnus's CYGWIN environment
+# These lack a working sbrk(2)
+aarch64-freebsd*)	opt_bash_malloc=no ;;
+riscv*-freebsd*)	opt_bash_malloc=no ;;
+# Mach-derived systems have a ton of extra malloc functions and lack sbrk(2)
+*-nextstep*)	opt_bash_malloc=no ;;	# NeXT machines running NeXTstep
+*-openstep*)	opt_bash_malloc=no ;;	# i386/Sparc/HP machines running Openstep
+*-macos*)	opt_bash_malloc=no ;;	# Apple MacOS X
+*-rhapsody*)	opt_bash_malloc=no ;;	# Apple Rhapsody (MacOS X)
+*-darwin*)	opt_bash_malloc=no ;;	# Apple Darwin (MacOS X)
+*-machten4)	opt_bash_malloc=no ;;	# MachTen 4.x
+# Niche or non-mainstream-shell-user systems
+*-qnx*)		opt_bash_malloc=no ;;	# QNX 4.2, QNX [67].x
+*-nsk*)		opt_bash_malloc=no ;;	# HP NonStop
+*-haiku*)	opt_bash_malloc=no ;;	# Haiku OS
+*-genode*)	opt_bash_malloc=no ;;	# Genode has no sbrk
+esac
+
+# memory scrambling on free()
+case "${host_os}" in
+sco3.2v5*|sco3.2v4*)	opt_memscramble=no ;;
+*)			opt_memscramble=yes ;;
+esac
+
+dnl
+dnl macros for the bash debugger
+dnl
+dnl AM_PATH_LISPDIR
+AC_ARG_VAR(DEBUGGER_START_FILE, [location of bash debugger initialization file])
+
+dnl arguments to configure
+dnl packages
+AC_ARG_WITH(afs, AC_HELP_STRING([--with-afs], [if you are running AFS]), opt_afs=$withval)
+AC_ARG_WITH(bash-malloc, AC_HELP_STRING([--with-bash-malloc], [use the Bash version of malloc]), opt_bash_malloc=$withval)
+AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
+AC_ARG_WITH(gnu-malloc, AC_HELP_STRING([--with-gnu-malloc], [synonym for --with-bash-malloc]), opt_bash_malloc=$withval)
+AC_ARG_WITH(installed-readline, AC_HELP_STRING([--with-installed-readline], [use a version of the readline library that is already installed]), opt_with_installed_readline=$withval)
+
+if test "$opt_bash_malloc" = yes; then
+	MALLOC_TARGET=malloc
+	MALLOC_SRC=malloc.c
+
+	MALLOC_LIB='-lmalloc'
+	MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
+	MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
+	MALLOC_DEP='$(MALLOC_LIBRARY)'
+
+	AC_DEFINE(USING_BASH_MALLOC)
+else
+	MALLOC_LIB=
+	MALLOC_LIBRARY=
+	MALLOC_LDFLAGS=
+	MALLOC_DEP=	
+fi
+
+if test "$opt_afs" = yes; then
+	AC_DEFINE(AFS)
+fi
+
+if test "$opt_curses" = yes; then
+	prefer_curses=yes
+fi
+
+if test -z "${DEBUGGER_START_FILE}"; then
+	DEBUGGER_START_FILE='${datadir}/bashdb/bashdb-main.inc'
+fi
+
+dnl optional shell features in config.h.in
+opt_minimal_config=no
+
+opt_job_control=yes
+opt_alias=yes
+opt_readline=yes
+opt_history=yes
+opt_bang_history=yes
+opt_dirstack=yes
+opt_restricted=yes
+opt_process_subst=yes
+opt_prompt_decoding=yes
+opt_select=yes
+opt_help=yes
+opt_array_variables=yes
+opt_dparen_arith=yes
+opt_extended_glob=yes
+opt_brace_expansion=yes
+opt_disabled_builtins=no
+opt_command_timing=yes
+opt_xpg_echo=no
+opt_strict_posix=no
+opt_cond_command=yes
+opt_cond_regexp=yes
+opt_coproc=yes
+opt_arith_for_command=yes
+opt_net_redirs=yes
+opt_progcomp=yes
+opt_separate_help=no
+opt_multibyte=yes
+opt_debugger=yes
+opt_single_longdoc_strings=yes
+opt_casemod_attrs=yes
+opt_casemod_expansions=yes
+opt_extglob_default=no
+opt_dircomplete_expand_default=no
+opt_globascii_default=yes
+opt_function_import=yes
+opt_dev_fd_stat_broken=no
+
+dnl options that affect how bash is compiled and linked
+opt_static_link=no
+opt_profiling=no
+
+dnl argument parsing for optional features
+AC_ARG_ENABLE(minimal-config, AC_HELP_STRING([--enable-minimal-config], [a minimal sh-like configuration]), opt_minimal_config=$enableval)
+
+dnl a minimal configuration turns everything off, but features can be
+dnl added individually
+if test $opt_minimal_config = yes; then
+	opt_job_control=no opt_alias=no opt_readline=no
+	opt_history=no opt_bang_history=no opt_dirstack=no
+	opt_restricted=no opt_process_subst=no opt_prompt_decoding=no
+	opt_select=no opt_help=no opt_array_variables=no opt_dparen_arith=no
+	opt_brace_expansion=no opt_disabled_builtins=no opt_command_timing=no
+	opt_extended_glob=no opt_cond_command=no opt_arith_for_command=no
+	opt_net_redirs=no opt_progcomp=no opt_separate_help=no
+	opt_multibyte=yes opt_cond_regexp=no opt_coproc=no
+	opt_casemod_attrs=no opt_casemod_expansions=no opt_extglob_default=no
+	opt_globascii_default=yes
+fi
+
+AC_ARG_ENABLE(alias, AC_HELP_STRING([--enable-alias], [enable shell aliases]), opt_alias=$enableval)
+AC_ARG_ENABLE(arith-for-command, AC_HELP_STRING([--enable-arith-for-command], [enable arithmetic for command]), opt_arith_for_command=$enableval)
+AC_ARG_ENABLE(array-variables, AC_HELP_STRING([--enable-array-variables], [include shell array variables]), opt_array_variables=$enableval)
+AC_ARG_ENABLE(bang-history, AC_HELP_STRING([--enable-bang-history], [turn on csh-style history substitution]), opt_bang_history=$enableval)
+AC_ARG_ENABLE(brace-expansion, AC_HELP_STRING([--enable-brace-expansion], [include brace expansion]), opt_brace_expansion=$enableval)
+AC_ARG_ENABLE(casemod-attributes, AC_HELP_STRING([--enable-casemod-attributes], [include case-modifying variable attributes]), opt_casemod_attrs=$enableval)
+AC_ARG_ENABLE(casemod-expansions, AC_HELP_STRING([--enable-casemod-expansions], [include case-modifying word expansions]), opt_casemod_expansions=$enableval)
+AC_ARG_ENABLE(command-timing, AC_HELP_STRING([--enable-command-timing], [enable the time reserved word and command timing]), opt_command_timing=$enableval)
+AC_ARG_ENABLE(cond-command, AC_HELP_STRING([--enable-cond-command], [enable the conditional command]), opt_cond_command=$enableval)
+AC_ARG_ENABLE(cond-regexp, AC_HELP_STRING([--enable-cond-regexp], [enable extended regular expression matching in conditional commands]), opt_cond_regexp=$enableval)
+AC_ARG_ENABLE(coprocesses, AC_HELP_STRING([--enable-coprocesses], [enable coprocess support and the coproc reserved word]), opt_coproc=$enableval)
+AC_ARG_ENABLE(debugger, AC_HELP_STRING([--enable-debugger], [enable support for bash debugger]), opt_debugger=$enableval)
+AC_ARG_ENABLE(dev-fd-stat-broken, AC_HELP_STRING([--enable-dev-fd-stat-broken], [enable this option if stat on /dev/fd/N and fstat on file descriptor N don't return the same results]), opt_dev_fd_stat_broken=$enableval)
+AC_ARG_ENABLE(direxpand-default, AC_HELP_STRING([--enable-direxpand-default], [enable the direxpand shell option by default]), opt_dircomplete_expand_default=$enableval)
+AC_ARG_ENABLE(directory-stack, AC_HELP_STRING([--enable-directory-stack], [enable builtins pushd/popd/dirs]), opt_dirstack=$enableval)
+AC_ARG_ENABLE(disabled-builtins, AC_HELP_STRING([--enable-disabled-builtins], [allow disabled builtins to still be invoked]), opt_disabled_builtins=$enableval)
+AC_ARG_ENABLE(dparen-arithmetic, AC_HELP_STRING([--enable-dparen-arithmetic], [include ((...)) command]), opt_dparen_arith=$enableval)
+AC_ARG_ENABLE(extended-glob, AC_HELP_STRING([--enable-extended-glob], [include ksh-style extended pattern matching]), opt_extended_glob=$enableval)
+AC_ARG_ENABLE(extended-glob-default, AC_HELP_STRING([--enable-extended-glob-default], [force extended pattern matching to be enabled by default]), opt_extglob_default=$enableval)
+AC_ARG_ENABLE(function-import, AC_HELP_STRING([--enable-function-import], [allow bash to import exported function definitions by default]), opt_function_import=$enableval)
+AC_ARG_ENABLE(glob-asciiranges-default, AC_HELP_STRING([--enable-glob-asciiranges-default], [force bracket range expressions in pattern matching to use the C locale by default]), opt_globascii_default=$enableval)
+AC_ARG_ENABLE(help-builtin, AC_HELP_STRING([--enable-help-builtin], [include the help builtin]), opt_help=$enableval)
+AC_ARG_ENABLE(history, AC_HELP_STRING([--enable-history], [turn on command history]), opt_history=$enableval)
+AC_ARG_ENABLE(job-control, AC_HELP_STRING([--enable-job-control], [enable job control features]), opt_job_control=$enableval)
+AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
+AC_ARG_ENABLE(net-redirections, AC_HELP_STRING([--enable-net-redirections], [enable /dev/tcp/host/port redirection]), opt_net_redirs=$enableval)
+AC_ARG_ENABLE(process-substitution, AC_HELP_STRING([--enable-process-substitution], [enable process substitution]), opt_process_subst=$enableval)
+AC_ARG_ENABLE(progcomp, AC_HELP_STRING([--enable-progcomp], [enable programmable completion and the complete builtin]), opt_progcomp=$enableval)
+AC_ARG_ENABLE(prompt-string-decoding, AC_HELP_STRING([--enable-prompt-string-decoding], [turn on escape character decoding in prompts]), opt_prompt_decoding=$enableval)
+AC_ARG_ENABLE(readline, AC_HELP_STRING([--enable-readline], [turn on command line editing]), opt_readline=$enableval)
+AC_ARG_ENABLE(restricted, AC_HELP_STRING([--enable-restricted], [enable a restricted shell]), opt_restricted=$enableval)
+AC_ARG_ENABLE(select, AC_HELP_STRING([--enable-select], [include select command]), opt_select=$enableval)
+AC_ARG_ENABLE(separate-helpfiles, AC_HELP_STRING([--enable-separate-helpfiles], [use external files for help builtin documentation]), opt_separate_help=$enableval)
+AC_ARG_ENABLE(single-help-strings, AC_HELP_STRING([--enable-single-help-strings], [store help documentation as a single string to ease translation]), opt_single_longdoc_strings=$enableval)
+AC_ARG_ENABLE(strict-posix-default, AC_HELP_STRING([--enable-strict-posix-default], [configure bash to be posix-conformant by default]), opt_strict_posix=$enableval)
+AC_ARG_ENABLE(usg-echo-default, AC_HELP_STRING([--enable-usg-echo-default], [a synonym for --enable-xpg-echo-default]), opt_xpg_echo=$enableval)
+AC_ARG_ENABLE(xpg-echo-default, AC_HELP_STRING([--enable-xpg-echo-default], [make the echo builtin expand escape sequences by default]), opt_xpg_echo=$enableval)
+
+dnl options that alter how bash is compiled and linked
+AC_ARG_ENABLE(mem-scramble, AC_HELP_STRING([--enable-mem-scramble], [scramble memory on calls to malloc and free]), opt_memscramble=$enableval)
+AC_ARG_ENABLE(profiling, AC_HELP_STRING([--enable-profiling], [allow profiling with gprof]), opt_profiling=$enableval)
+AC_ARG_ENABLE(static-link, AC_HELP_STRING([--enable-static-link], [link bash statically, for use as a root shell]), opt_static_link=$enableval)
+
+dnl So-called `precious' variables
+AC_ARG_VAR([CC_FOR_BUILD], [C compiler used when compiling binaries used only at build time])
+AC_ARG_VAR([CFLAGS_FOR_BUILD], [Compilation options (CFLAGS) used when compiling binaries used only at build time])
+AC_ARG_VAR([LDFLAGS_FOR_BUILD], [Linker options (LDFLAGS) used when compiling binaries used only at build time])
+AC_ARG_VAR([CPPFLAGS_FOR_BUILD], [C preprocessor options (CPPFLAGS) used when compiling binaries used only at build time])
+
+dnl opt_job_control is handled later, after BASH_JOB_CONTROL_MISSING runs
+
+dnl opt_readline and opt_history are handled later, because AC_PROG_CC needs
+dnl to be run before we can check the version of an already-installed readline
+dnl library
+
+if test $opt_alias = yes; then
+AC_DEFINE(ALIAS)
+fi
+if test $opt_dirstack = yes; then
+AC_DEFINE(PUSHD_AND_POPD)
+fi
+if test $opt_restricted = yes; then
+AC_DEFINE(RESTRICTED_SHELL)
+fi
+if test $opt_process_subst = yes; then
+AC_DEFINE(PROCESS_SUBSTITUTION)
+fi
+if test $opt_prompt_decoding = yes; then
+AC_DEFINE(PROMPT_STRING_DECODE)
+fi
+if test $opt_select = yes; then
+AC_DEFINE(SELECT_COMMAND)
+fi
+if test $opt_help = yes; then
+AC_DEFINE(HELP_BUILTIN)
+fi
+if test $opt_array_variables = yes; then
+AC_DEFINE(ARRAY_VARS)
+fi
+if test $opt_dparen_arith = yes; then
+AC_DEFINE(DPAREN_ARITHMETIC)
+fi
+if test $opt_brace_expansion = yes; then
+AC_DEFINE(BRACE_EXPANSION)
+fi
+if test $opt_disabled_builtins = yes; then
+AC_DEFINE(DISABLED_BUILTINS)
+fi
+if test $opt_command_timing = yes; then
+AC_DEFINE(COMMAND_TIMING)
+fi
+if test $opt_xpg_echo = yes ; then
+AC_DEFINE(DEFAULT_ECHO_TO_XPG)
+fi
+if test $opt_strict_posix = yes; then
+AC_DEFINE(STRICT_POSIX)
+fi
+if test $opt_extended_glob = yes ; then
+AC_DEFINE(EXTENDED_GLOB)
+fi
+if test $opt_extglob_default = yes; then
+AC_DEFINE(EXTGLOB_DEFAULT, 1)
+else
+AC_DEFINE(EXTGLOB_DEFAULT, 0)
+fi
+if test $opt_cond_command = yes ; then
+AC_DEFINE(COND_COMMAND)
+fi
+if test $opt_cond_regexp = yes ; then
+AC_DEFINE(COND_REGEXP)
+fi
+if test $opt_coproc = yes; then
+AC_DEFINE(COPROCESS_SUPPORT)
+fi
+if test $opt_arith_for_command = yes; then
+AC_DEFINE(ARITH_FOR_COMMAND)
+fi
+if test $opt_net_redirs = yes; then
+AC_DEFINE(NETWORK_REDIRECTIONS)
+fi
+if test $opt_progcomp = yes; then
+AC_DEFINE(PROGRAMMABLE_COMPLETION)
+fi
+if test $opt_multibyte = no; then
+AC_DEFINE(NO_MULTIBYTE_SUPPORT)
+fi
+if test $opt_debugger = yes; then
+AC_DEFINE(DEBUGGER)
+fi
+if test $opt_casemod_attrs = yes; then
+AC_DEFINE(CASEMOD_ATTRS)
+fi
+if test $opt_casemod_expansions = yes; then
+AC_DEFINE(CASEMOD_EXPANSIONS)
+fi
+if test $opt_dircomplete_expand_default = yes; then
+AC_DEFINE(DIRCOMPLETE_EXPAND_DEFAULT)
+fi
+if test $opt_globascii_default = yes; then
+AC_DEFINE(GLOBASCII_DEFAULT, 1)
+else
+AC_DEFINE(GLOBASCII_DEFAULT, 0)
+fi
+if test $opt_function_import = yes; then
+AC_DEFINE(FUNCTION_IMPORT)
+fi
+if test $opt_dev_fd_stat_broken = yes; then
+AC_DEFINE(DEV_FD_STAT_BROKEN)
+fi
+
+if test $opt_memscramble = yes; then
+AC_DEFINE(MEMSCRAMBLE)
+fi
+
+if test "$opt_minimal_config" = yes; then
+	TESTSCRIPT=run-minimal
+else
+	TESTSCRIPT=run-all
+fi
+
+HELPDIR= HELPDIRDEFINE= HELPINSTALL= HELPFILES_TARGET=
+if test "$opt_separate_help" != no; then
+	if test "$opt_separate_help" = "yes" ; then
+		HELPDIR='${datadir}/bash'
+	else
+		HELPDIR=$opt_separate_help
+	fi
+	HELPDIRDEFINE='-H ${HELPDIR}'
+	HELPINSTALL='install-help'
+	HELPFILES_TARGET='helpdoc'
+fi
+HELPSTRINGS=
+if test "$opt_single_longdoc_strings" != "yes"; then
+	HELPSTRINGS='-S'
+fi
+
+dnl now substitute in the values generated by arguments
+AC_SUBST(TESTSCRIPT)
+AC_SUBST(MALLOC_TARGET)
+AC_SUBST(MALLOC_SRC)
+
+AC_SUBST(MALLOC_LIB)
+AC_SUBST(MALLOC_LIBRARY)
+AC_SUBST(MALLOC_LDFLAGS)
+AC_SUBST(MALLOC_DEP)
+
+AC_SUBST(htmldir)
+
+AC_SUBST(HELPDIR)
+AC_SUBST(HELPDIRDEFINE)
+AC_SUBST(HELPINSTALL)
+AC_SUBST(HELPFILES_TARGET)
+AC_SUBST(HELPSTRINGS)
+
+dnl We want these before the checks, so the checks can modify their values.
+if test -z "$CFLAGS"; then
+	want_auto_cflags=1
+fi
+
+echo ""
+echo "Beginning configuration for bash-$BASHVERS-$RELSTATUS for ${host_cpu}-${host_vendor}-${host_os}"
+echo ""
+
+dnl compilation checks
+dnl AC_PROG_CC sets $cross_compiling to `yes' if cross-compiling for a
+dnl different environment
+AC_PROG_CC
+
+if test -n "$want_auto_cflags"; then
+	AUTO_CFLAGS="-g ${GCC+-O2}"
+	AUTO_LDFLAGS="-g ${GCC+-O2}"
+	STYLE_CFLAGS="${GCC+-Wno-parentheses} ${GCC+-Wno-format-security}"
+else
+	AUTO_CFLAGS= AUTO_LDFLAGS= STYLE_CFLAGS=
+fi
+
+dnl test for Unix variants
+AC_ISC_POSIX
+AC_MINIX
+
+AC_SYS_LARGEFILE
+
+dnl BEGIN changes for cross-building (currently cygwin, minGW, and
+dnl (obsolete) BeOS)
+
+SIGNAMES_O=
+SIGNAMES_H=lsignames.h
+
+dnl load up the cross-building cache file -- add more cases and cache
+dnl files as necessary
+
+dnl Note that host and target machine are the same, and different than the
+dnl build machine.
+dnl Set SIGNAMES_H based on whether or not we're cross-compiling.
+
+CROSS_COMPILE=
+if test "x$cross_compiling" = "xyes"; then
+    case "${host}" in
+    *-cygwin*)
+	cross_cache=${srcdir}/cross-build/cygwin32.cache
+	;;
+    *-mingw*)
+	cross_cache=${srcdir}/cross-build/cygwin32.cache
+	;;
+    i[[3456]]86-*-beos*)
+	cross_cache=${srcdir}/cross-build/x86-beos.cache
+	;;
+    *-qnx*)
+	cross_cache=${srcdir}/cross-build/qnx.cache
+	;;
+    *)	echo "configure: cross-compiling for $host is not supported" >&2
+	;;
+    esac
+    if test -n "${cross_cache}" && test -r "${cross_cache}"; then
+	echo "loading cross-build cache file ${cross_cache}"
+	. ${cross_cache}
+    fi
+    unset cross_cache
+    SIGNAMES_O='signames.o'
+    CROSS_COMPILE='-DCROSS_COMPILING'
+    AC_SUBST(CROSS_COMPILE)
+fi
+AC_SUBST(SIGNAMES_H)
+AC_SUBST(SIGNAMES_O)
+
+dnl END changes for cross-building
+
+dnl default values
+CFLAGS=${CFLAGS-"$AUTO_CFLAGS"}
+# LDFLAGS=${LDFLAGS="$AUTO_LDFLAGS"}	# XXX
+
+dnl handle options that alter how bash is compiled and linked
+dnl these must come after the test for cc/gcc
+if test "$opt_profiling" = "yes"; then
+	PROFILE_FLAGS=-pg
+	case "$host_os" in
+	solaris2*|linux*)	;;
+	*)		opt_static_link=yes ;;
+	esac
+	DEBUG= MALLOC_DEBUG=
+fi
+
+prefer_shared=yes
+prefer_static=no
+
+if test "$opt_static_link" = yes; then
+	prefer_static=yes
+	prefer_shared=no
+	# if we're using gcc, add `-static' to LDFLAGS, except on Solaris >= 2
+	if test -n "$GCC" || test "$ac_cv_prog_gcc" = "yes"; then
+		STATIC_LD="-static" 
+		case "$host_os" in
+		solaris2*|linux*)	;;
+		*)		LDFLAGS="$LDFLAGS -static" ;;	# XXX experimental
+		esac
+	fi
+fi
+
+# set the appropriate make variables for building the "build tools"
+# modify defaults based on whether or not we are cross compiling, since the
+# options for the target host may not be appropriate for the build host
+if test "X$cross_compiling" = "Xno"; then
+	CC_FOR_BUILD=${CC_FOR_BUILD-'$(CC)'}
+	CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-"$CPPFLAGS"}	# XXX - should it be '$(CPPFLAGS)'
+	if test X"$opt_profiling" = Xyes; then
+		LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-'$(BASE_LDFLAGS)'}
+	else
+		LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-'$(LDFLAGS)'}
+	fi
+	# CFLAGS set above to default value if not passed in environment
+	if test -n "$want_auto_cflags" ; then
+		CFLAGS_FOR_BUILD="${CFLAGS} ${STYLE_CFLAGS}"
+	else
+		CFLAGS_FOR_BUILD=${CFLAGS-'$(CFLAGS)'}
+	fi
+	LIBS_FOR_BUILD=${LIBS_FOR_BUILD-'$(LIBS)'}
+else
+	CC_FOR_BUILD=${CC_FOR_BUILD-"gcc"}
+	CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-""}
+	LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-""}
+	CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD="-g"}
+	LIBS_FOR_BUILD=${LIBS_FOR_BUILD-""}
+fi
+
+AC_SUBST(CFLAGS)
+AC_SUBST(CPPFLAGS)
+AC_SUBST(LDFLAGS)
+AC_SUBST(STATIC_LD)
+
+AC_SUBST(CC_FOR_BUILD)
+AC_SUBST(CFLAGS_FOR_BUILD)
+AC_SUBST(CPPFLAGS_FOR_BUILD)
+AC_SUBST(LDFLAGS_FOR_BUILD)
+AC_SUBST(LIBS_FOR_BUILD)
+
+AC_PROG_GCC_TRADITIONAL
+
+dnl BEGIN READLINE and HISTORY LIBRARY SECTION
+dnl prepare to allow bash to be linked against an already-installed readline
+
+dnl first test that the readline version is new enough to link bash against
+if test "$opt_readline" = yes && test "$opt_with_installed_readline" != "no"
+then
+	# If the user specified --with-installed-readline=PREFIX and PREFIX
+	# is not `yes', set ac_cv_rl_prefix to PREFIX
+	test $opt_with_installed_readline != "yes" && ac_cv_rl_prefix=$opt_with_installed_readline
+
+	RL_LIB_READLINE_VERSION
+
+	case "$ac_cv_rl_version" in
+	8*|9*)	;;
+	*)	opt_with_installed_readline=no 
+		AC_MSG_WARN([installed readline library is too old to be linked with bash])
+		AC_MSG_WARN([using private bash version])
+		;;
+	esac
+fi
+
+TILDE_LIB=-ltilde
+if test $opt_readline = yes; then
+	AC_DEFINE(READLINE)
+	if test "$opt_with_installed_readline" != "no" ; then
+		case "$opt_with_installed_readline" in
+		yes)	RL_INCLUDE= ;;
+		*)	case "$RL_INCLUDEDIR" in
+			/usr/include)	;;
+			*)		RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
+			esac
+			;;
+		esac
+		READLINE_DEP=
+		READLINE_LIB=-lreadline
+		# section for OS versions that don't allow unresolved symbols
+		# to be compiled into dynamic libraries.
+		case "$host_os" in
+		cygwin*)	TILDE_LIB= ;;
+		esac
+	else
+		RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
+		READLINE_DEP='$(READLINE_LIBRARY)'
+		# section for OS versions that ship an older/broken version of
+		# readline as a standard dynamic library and don't allow a
+		# static version specified as -llibname to override the
+		# dynamic version
+		case "${host_os}" in
+		darwin[[89]]*|darwin10*) READLINE_LIB='${READLINE_LIBRARY}' ;;
+		*)		READLINE_LIB=-lreadline ;;
+		esac
+	fi
+else
+	RL_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
+	READLINE_LIB= READLINE_DEP=
+fi
+if test $opt_history = yes || test $opt_bang_history = yes; then
+	if test $opt_history = yes; then
+		AC_DEFINE(HISTORY)
+	fi
+	if test $opt_bang_history = yes; then
+		AC_DEFINE(BANG_HISTORY)
+	fi
+ 	if test "$opt_with_installed_readline" != "no"; then
+		HIST_LIBDIR=$RL_LIBDIR
+		HISTORY_DEP=
+		HISTORY_LIB=-lhistory
+		case "$opt_with_installed_readline" in
+		yes)	RL_INCLUDE= ;;
+		*)	case "$RL_INCLUDEDIR" in
+			/usr/include)	;;
+			*)		RL_INCLUDE='-I${RL_INCLUDEDIR}' ;;
+			esac
+			;;
+		esac
+	else
+		HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
+		HISTORY_DEP='$(HISTORY_LIBRARY)'
+		# section for OS versions that ship an older version of
+		# readline as a standard dynamic library and don't allow a
+		# static version specified as -llibname to override the
+		# dynamic version
+		case "${host_os}" in
+		darwin[[89]]*|darwin10*) HISTORY_LIB='${HISTORY_LIBRARY}' ;;
+		*)		HISTORY_LIB=-lhistory ;;
+		esac
+	fi
+else
+	HIST_LIBDIR='$(dot)/$(LIBSUBDIR)/readline'
+	HISTORY_LIB= HISTORY_DEP=
+fi
+AC_SUBST(READLINE_LIB)
+AC_SUBST(READLINE_DEP)
+AC_SUBST(RL_LIBDIR)
+AC_SUBST(RL_INCLUDEDIR)
+AC_SUBST(RL_INCLUDE)
+AC_SUBST(HISTORY_LIB)
+AC_SUBST(HISTORY_DEP)
+AC_SUBST(HIST_LIBDIR)
+AC_SUBST(TILDE_LIB)
+
+dnl END READLINE and HISTORY LIBRARY SECTION
+
+dnl programs needed by the build and install process
+AC_PROG_INSTALL
+AC_CHECK_TOOL(AR, ar)
+dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
+dnl This allows people to set it when running configure or make
+test -n "$ARFLAGS" || ARFLAGS="cr"
+AC_PROG_RANLIB
+AC_PROG_YACC
+AC_PROG_MAKE_SET
+
+case "$ac_cv_prog_YACC" in
+*bison*)	;;
+*)	AC_MSG_WARN([bison not available; needed to process parse.y]) ;;
+esac
+
+case "$host_os" in
+opennt*|interix*)	MAKE_SHELL="$INTERIX_ROOT/bin/sh" ;;
+*)			MAKE_SHELL=/bin/sh ;;
+esac
+AC_SUBST(MAKE_SHELL)
+
+dnl this is similar to the expanded AC_PROG_RANLIB
+if test x$SIZE = x; then
+	if test x$ac_tool_prefix = x; then
+		SIZE=size
+	else
+		SIZE=${ac_tool_prefix}size
+		save_IFS=$IFS ; IFS=:
+		size_found=0
+		for dir in $PATH; do
+			if test -x $dir/$SIZE ; then
+				size_found=1
+				break
+			fi
+		done
+		if test $size_found -eq 0; then
+			SIZE=:
+		fi
+		IFS=$save_IFS
+	fi
+fi
+AC_SUBST(SIZE)
+
+m4_include([m4/stat-time.m4])
+m4_include([m4/timespec.m4])
+
+dnl include files for gettext
+
+m4_include([m4/codeset.m4])
+m4_include([m4/extern-inline.m4])
+m4_include([m4/fcntl-o.m4])
+m4_include([m4/gettext.m4])
+m4_include([m4/glibc2.m4])
+m4_include([m4/glibc21.m4])
+m4_include([m4/host-cpu-c-abi.m4])
+m4_include([m4/iconv.m4])
+m4_include([m4/intdiv0.m4])
+m4_include([m4/intl.m4])
+m4_include([m4/intlmacosx.m4])
+m4_include([m4/intl-thread-locale.m4])
+m4_include([m4/intmax.m4])
+m4_include([m4/inttypes-pri.m4])
+m4_include([m4/inttypes.m4])
+m4_include([m4/inttypes_h.m4])
+m4_include([m4/lcmessage.m4])
+m4_include([m4/lib-ld.m4])
+m4_include([m4/lib-link.m4])
+m4_include([m4/lib-prefix.m4])
+m4_include([m4/lock.m4])
+m4_include([m4/nls.m4])
+m4_include([m4/po.m4])
+m4_include([m4/printf-posix.m4])
+m4_include([m4/progtest.m4])
+m4_include([m4/pthread_rwlock_rdlock.m4])
+m4_include([m4/size_max.m4])
+m4_include([m4/stdint_h.m4])
+m4_include([m4/threadlib.m4])
+m4_include([m4/uintmax_t.m4])
+m4_include([m4/ulonglong.m4])
+m4_include([m4/visibility.m4])
+m4_include([m4/wchar_t.m4])
+m4_include([m4/wint_t.m4])
+m4_include([m4/xsize.m4])
+
+dnl Turn on any extensions available in the GNU C library.
+AC_DEFINE(_GNU_SOURCE, 1)
+
+dnl C compiler characteristics
+AC_C_CONST
+AC_C_INLINE
+AC_C_BIGENDIAN
+AC_C_STRINGIZE
+AC_C_LONG_DOUBLE
+AC_C_PROTOTYPES
+AC_C_CHAR_UNSIGNED
+AC_C_VOLATILE
+AC_C_RESTRICT
+
+dnl initialize GNU gettext
+AM_GNU_GETTEXT([no-libtool], [need-ngettext], [lib/intl])
+
+dnl header files
+AC_HEADER_DIRENT
+AC_HEADER_TIME
+AC_HEADER_MAJOR
+
+BASH_HEADER_INTTYPES
+
+AC_CHECK_HEADERS(unistd.h stdlib.h stdarg.h varargs.h limits.h string.h \
+		 memory.h locale.h termcap.h termio.h termios.h dlfcn.h \
+		 stdbool.h stddef.h stdint.h netdb.h pwd.h grp.h strings.h \
+		 regex.h syslog.h ulimit.h)
+AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h sys/ioctl.h \
+		 sys/mman.h sys/param.h sys/random.h sys/socket.h sys/stat.h \
+		 sys/time.h sys/times.h sys/types.h sys/wait.h)
+AC_CHECK_HEADERS(netinet/in.h arpa/inet.h)
+
+dnl sys/ptem.h requires definitions from sys/stream.h on systems where it
+dnl exists
+AC_CHECK_HEADER(sys/ptem.h, , ,[[
+#if HAVE_SYS_STREAM_H
+#  include <sys/stream.h>
+#endif
+]])
+
+dnl SunOS 4 needs to include <sys/time.h> before <sys/resource.h> to compile
+dnl autoconf complains about presence but inability to compile
+AC_CHECK_HEADER(sys/resource.h, AC_DEFINE(HAVE_SYS_RESOURCE_H), [], [[
+#if HAVE_SYS_TIME_H
+#  include <sys/time.h>
+#endif
+]])
+
+dnl special checks for libc functions
+AC_FUNC_ALLOCA
+AC_FUNC_CHOWN
+AC_FUNC_GETPGRP
+AC_FUNC_SETVBUF_REVERSED
+AC_FUNC_VPRINTF
+AC_FUNC_STRCOLL
+
+dnl if we're not using the bash malloc but require the C alloca, set things
+dnl up to build a libmalloc.a containing only alloca.o
+
+if test "$ac_cv_func_alloca_works" = "no" && test "$opt_bash_malloc" = "no"; then
+	MALLOC_TARGET=alloca
+	MALLOC_SRC=alloca.c
+
+	MALLOC_LIB='-lmalloc'
+	MALLOC_LIBRARY='$(ALLOC_LIBDIR)/libmalloc.a'
+	MALLOC_LDFLAGS='-L$(ALLOC_LIBDIR)'
+	MALLOC_DEP='$(MALLOC_LIBRARY)'
+fi
+
+dnl if vprintf is not in libc, see if it's defined in stdio.h
+if test "$ac_cv_func_vprintf" = no; then
+    AC_MSG_CHECKING(for declaration of vprintf in stdio.h)
+    AC_EGREP_HEADER([[int[ 	]*vprintf[^a-zA-Z0-9]]],stdio.h,ac_cv_func_vprintf=yes)
+    AC_MSG_RESULT($ac_cv_func_vprintf)
+    if test $ac_cv_func_vprintf = yes; then
+	AC_DEFINE(HAVE_VPRINTF)
+    fi
+fi
+
+if test "$ac_cv_func_vprintf" = no && test "$ac_cv_func__doprnt" = "yes"; then
+  AC_LIBOBJ(vprint)
+fi
+
+dnl signal stuff
+AC_TYPE_SIGNAL
+
+dnl checks for certain version-specific system calls and libc functions
+AC_CHECK_FUNC(__setostype, AC_DEFINE(HAVE_SETOSTYPE))
+AC_CHECK_FUNC(wait3, AC_DEFINE(HAVE_WAIT3))
+
+dnl checks for missing libc functions
+AC_CHECK_FUNC(mkfifo,AC_DEFINE(HAVE_MKFIFO),AC_DEFINE(MKFIFO_MISSING))
+
+dnl checks for system calls
+AC_CHECK_FUNCS(dup2 eaccess fcntl getdtablesize getentropy getgroups \
+		gethostname getpagesize getpeername getrandom getrlimit \
+		getrusage gettimeofday kill killpg lstat pselect readlink \
+		select setdtablesize setitimer tcgetpgrp uname ulimit waitpid)
+AC_REPLACE_FUNCS(rename)
+
+dnl checks for c library functions
+AC_CHECK_FUNCS(bcopy bzero confstr faccessat fnmatch \
+		getaddrinfo gethostbyname getservbyname getservent inet_aton \
+		imaxdiv memmove pathconf putenv raise random regcomp regexec \
+		setenv setlinebuf setlocale setvbuf siginterrupt strchr \
+		sysconf syslog tcgetattr times ttyname tzset unsetenv)
+
+AC_CHECK_FUNCS(vasprintf asprintf)
+AC_CHECK_FUNCS(isascii isblank isgraph isprint isspace isxdigit)
+AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
+AC_CHECK_FUNCS(mkstemp mkdtemp)
+AC_CHECK_FUNCS(arc4random)
+
+AC_REPLACE_FUNCS(getcwd memset)
+AC_REPLACE_FUNCS(strcasecmp strcasestr strerror strftime strnlen strpbrk strstr)
+AC_REPLACE_FUNCS(strtod strtol strtoul strtoll strtoull strtoimax strtoumax)
+AC_REPLACE_FUNCS(dprintf)
+AC_REPLACE_FUNCS(strchrnul)
+AC_REPLACE_FUNCS(strdup)
+
+AC_CHECK_HEADERS(libaudit.h)
+AC_CHECK_DECLS([AUDIT_USER_TTY],,, [[#include <linux/audit.h>]])
+
+AC_CHECK_DECLS([confstr])
+AC_CHECK_DECLS([printf])
+AC_CHECK_DECLS([sbrk])
+AC_CHECK_DECLS([setregid])
+dnl AC_CHECK_DECLS[(setresuid])
+dnl AC_CHECK_DECLS[(setresgid])
+AC_CHECK_DECLS([strcpy])
+AC_CHECK_DECLS([strsignal])
+
+AC_CHECK_FUNCS(setresuid setresgid)
+
+dnl Extra test to detect the horribly broken HP/UX 11.00 strtold(3)
+AC_CHECK_DECLS([strtold], [
+    AC_MSG_CHECKING([for broken strtold])
+    AC_CACHE_VAL(bash_cv_strtold_broken,
+	[AC_TRY_COMPILE(
+	    [#include <stdlib.h>],
+	    [long double r; char *foo, bar; r = strtold(foo, &bar);],
+	    bash_cv_strtold_broken=no, bash_cv_strtold_broken=yes,
+	    [AC_MSG_WARN(cannot check for broken strtold if cross-compiling, defaulting to no)])
+	]
+    )
+    AC_MSG_RESULT($bash_cv_strtold_broken)
+    if test "$bash_cv_strtold_broken" = "yes" ; then
+	AC_DEFINE(STRTOLD_BROKEN)
+    fi
+])
+
+BASH_CHECK_DECL(strtoimax)
+BASH_CHECK_DECL(strtol)
+BASH_CHECK_DECL(strtoll)
+BASH_CHECK_DECL(strtoul)
+BASH_CHECK_DECL(strtoull)
+BASH_CHECK_DECL(strtoumax)
+
+AC_FUNC_MKTIME
+
+dnl
+dnl Checks for lib/intl and related code (uses some of the output from
+dnl AM_GNU_GETTEXT)
+dnl
+
+AC_CHECK_HEADERS([argz.h errno.h fcntl.h malloc.h stdio_ext.h])
+
+dnl AC_FUNC_MALLOC
+AC_FUNC_MMAP
+AC_CHECK_FUNCS([__argz_count __argz_next __argz_stringify dcgettext mempcpy \
+		munmap mremap stpcpy strcspn])
+
+INTL_DEP= INTL_INC= LIBINTL_H=
+if test "x$USE_INCLUDED_LIBINTL" = "xyes"; then
+	INTL_DEP='${INTL_LIBDIR}/libintl.a'
+	INTL_INC='-I${INTL_LIBSRC} -I${INTL_BUILDDIR}'
+	LIBINTL_H='${INTL_BUILDDIR}/libintl.h'
+fi
+AC_SUBST(INTL_DEP)
+AC_SUBST(INTL_INC)
+AC_SUBST(LIBINTL_H)
+
+dnl
+dnl End of checks needed by files in lib/intl
+dnl
+
+BASH_CHECK_MULTIBYTE
+
+dnl checks for the dynamic loading library functions in libc and libdl
+if test "$opt_static_link" != yes; then
+AC_CHECK_LIB(dl, dlopen)
+AC_CHECK_FUNCS(dlopen dlclose dlsym)
+fi
+
+dnl this defines HAVE_DECL_SYS_SIGLIST
+AC_DECL_SYS_SIGLIST
+
+dnl network functions -- check for inet_aton again
+if test "$ac_cv_func_inet_aton" != 'yes'; then
+BASH_FUNC_INET_ATON
+fi
+
+dnl libraries
+dnl this is reportedly no longer necessary for irix[56].?
+case "$host_os" in
+irix4*)	AC_CHECK_LIB(sun, getpwent) ;;
+esac
+
+dnl check for getpeername in the socket library only if it's not in libc
+if test "$ac_cv_func_getpeername" = no; then
+	BASH_CHECK_LIB_SOCKET
+fi
+dnl check for gethostbyname in socket libraries if it's not in libc
+if test "$ac_cv_func_gethostbyname" = no; then
+	BASH_FUNC_GETHOSTBYNAME
+fi
+
+dnl system types
+AC_TYPE_GETGROUPS
+AC_TYPE_OFF_T
+AC_TYPE_MODE_T
+AC_TYPE_UID_T
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
+AC_TYPE_UINTPTR_T
+
+AC_CHECK_TYPE(ssize_t, int)
+AC_CHECK_TYPE(time_t, long)
+
+BASH_TYPE_LONG_LONG
+BASH_TYPE_UNSIGNED_LONG_LONG
+
+AC_TYPE_SIGNAL
+BASH_TYPE_SIG_ATOMIC_T
+
+AC_CHECK_SIZEOF(char, 1)
+AC_CHECK_SIZEOF(short, 2)
+AC_CHECK_SIZEOF(int, 4)
+AC_CHECK_SIZEOF(long, 4)
+AC_CHECK_SIZEOF(char *, 4)
+AC_CHECK_SIZEOF(double, 8)
+AC_CHECK_SIZEOF([long long], 8)
+
+AC_CHECK_TYPE(u_int, [unsigned int])
+AC_CHECK_TYPE(u_long, [unsigned long])
+
+BASH_TYPE_BITS16_T
+BASH_TYPE_U_BITS16_T
+BASH_TYPE_BITS32_T
+BASH_TYPE_U_BITS32_T
+BASH_TYPE_BITS64_T
+
+BASH_TYPE_PTRDIFF_T
+
+dnl structures
+AC_HEADER_STAT
+
+dnl system services
+AC_SYS_INTERPRETER
+if test $ac_cv_sys_interpreter = yes; then
+AC_DEFINE(HAVE_HASH_BANG_EXEC)
+fi
+
+dnl Miscellaneous Bash tests
+if test "$ac_cv_func_lstat" = "no"; then
+BASH_FUNC_LSTAT
+fi
+
+dnl behavior of system calls and library functions
+BASH_FUNC_CTYPE_NONASCII
+BASH_FUNC_DUP2_CLOEXEC_CHECK
+BASH_SYS_PGRP_SYNC
+BASH_SYS_SIGNAL_VINTAGE
+
+dnl checking for the presence of certain library symbols
+BASH_SYS_ERRLIST
+BASH_SYS_SIGLIST
+BASH_UNDER_SYS_SIGLIST
+
+dnl various system types
+BASH_TYPE_SIGHANDLER
+BASH_CHECK_TYPE(clock_t, [#include <sys/times.h>], long)
+BASH_CHECK_TYPE(sigset_t, [#include <signal.h>], int)
+BASH_CHECK_TYPE(sig_atomic_t, [#include <signal.h>], int)
+BASH_CHECK_TYPE(quad_t, , long, HAVE_QUAD_T)
+BASH_CHECK_TYPE(intmax_t, , $bash_cv_type_long_long)
+BASH_CHECK_TYPE(uintmax_t, , $bash_cv_type_unsigned_long_long)
+if test "$ac_cv_header_sys_socket_h" = "yes"; then
+BASH_CHECK_TYPE(socklen_t, [#include <sys/socket.h>], [unsigned int], HAVE_SOCKLEN_T)
+fi
+BASH_TYPE_RLIMIT
+
+AC_CHECK_SIZEOF(intmax_t, 8)
+
+dnl presence and contents of structures used by system calls
+BASH_STRUCT_TERMIOS_LDISC
+BASH_STRUCT_TERMIO_LDISC
+BASH_STRUCT_DIRENT_D_INO
+BASH_STRUCT_DIRENT_D_FILENO
+BASH_STRUCT_DIRENT_D_NAMLEN
+BASH_STRUCT_WINSIZE
+BASH_STRUCT_TIMEVAL
+AC_CHECK_MEMBERS([struct stat.st_blocks])
+AC_STRUCT_TM
+AC_STRUCT_TIMEZONE
+BASH_STRUCT_TIMEZONE
+
+BASH_STRUCT_WEXITSTATUS_OFFSET
+
+BASH_CHECK_TYPE_STRUCT_TIMESPEC
+BASH_STAT_TIME
+
+dnl checks for system calls
+BASH_FUNC_SBRK
+
+dnl presence and behavior of C library functions
+BASH_FUNC_STRSIGNAL
+BASH_FUNC_OPENDIR_CHECK
+BASH_FUNC_ULIMIT_MAXFDS
+BASH_FUNC_FPURGE
+BASH_FUNC_GETENV
+if test "$ac_cv_func_getcwd" = "yes"; then
+BASH_FUNC_GETCWD
+fi
+BASH_FUNC_POSIX_SETJMP
+BASH_FUNC_STRCOLL
+BASH_FUNC_SNPRINTF
+BASH_FUNC_VSNPRINTF
+
+dnl If putenv or unsetenv is not present, set the right define so the
+dnl prototype and declaration in lib/sh/getenv.c will be standard-conformant
+
+if test "$ac_cv_func_putenv" = "yes"; then
+BASH_FUNC_STD_PUTENV
+else
+AC_DEFINE(HAVE_STD_PUTENV)
+fi
+if test "$ac_cv_func_unsetenv" = "yes"; then
+BASH_FUNC_STD_UNSETENV
+else
+AC_DEFINE(HAVE_STD_UNSETENV)
+fi
+
+BASH_FUNC_PRINTF_A_FORMAT
+
+BASH_FUNC_FNMATCH_EQUIV_FALLBACK
+
+dnl presence and behavior of OS functions
+BASH_SYS_REINSTALL_SIGHANDLERS
+BASH_SYS_JOB_CONTROL_MISSING
+BASH_SYS_NAMED_PIPES
+
+dnl presence of certain CPP defines
+AC_HEADER_TIOCGWINSZ
+BASH_HAVE_TIOCSTAT
+BASH_HAVE_FIONREAD
+
+BASH_CHECK_WCONTINUED
+
+dnl miscellaneous
+BASH_CHECK_SPEED_T
+BASH_CHECK_GETPW_FUNCS
+BASH_CHECK_RTSIGS
+BASH_CHECK_SYS_SIGLIST
+
+dnl special checks
+case "$host_os" in
+hpux*)	BASH_CHECK_KERNEL_RLIMIT ;;
+esac
+
+if test "$opt_readline" = yes; then
+dnl yuck
+case "$host_os" in
+aix*)	prefer_curses=yes ;;
+esac
+BASH_CHECK_LIB_TERMCAP
+fi
+AC_SUBST(TERMCAP_LIB)
+AC_SUBST(TERMCAP_DEP)
+
+BASH_CHECK_DEV_FD
+BASH_CHECK_DEV_STDIN
+BASH_SYS_DEFAULT_MAIL_DIR
+
+if test "$bash_cv_job_control_missing" = missing; then
+	opt_job_control=no
+fi
+
+if test "$opt_job_control" = yes; then
+AC_DEFINE(JOB_CONTROL)
+JOBS_O=jobs.o
+else
+JOBS_O=nojobs.o
+fi
+
+AC_SUBST(JOBS_O)
+
+dnl Defines that we want to propagate to the Makefiles in subdirectories,
+dnl like glob and readline
+
+LOCAL_DEFS=-DSHELL
+
+dnl use this section to possibly define more cpp variables, specify local
+dnl libraries, and specify any additional local cc or ld flags
+dnl
+dnl most of these are really old; this should really go away someday
+
+case "${host_os}" in
+sysv4.2*)	AC_DEFINE(SVR4_2)
+		AC_DEFINE(SVR4) ;;
+sysv4*)		AC_DEFINE(SVR4) ;;
+sysv5*)		AC_DEFINE(SVR5) ;;
+hpux9*)		LOCAL_CFLAGS="-DHPUX9 -DHPUX -DTGETENT_BROKEN -DTGETFLAG_BROKEN" ;;
+hpux*)		LOCAL_CFLAGS="-DHPUX -DTGETENT_BROKEN -DTGETFLAG_BROKEN" ;;
+dgux*)		LOCAL_CFLAGS=-D_DGUX_SOURCE; LOCAL_LIBS=-ldgc ;;
+isc*)		LOCAL_CFLAGS=-Disc386 ;;
+rhapsody*)	LOCAL_CFLAGS=-DRHAPSODY ;;
+darwin*)	LOCAL_CFLAGS=-DMACOSX ;;
+sco3.2v5*)	LOCAL_CFLAGS="-b elf -DWAITPID_BROKEN -DPATH_MAX=1024" ;;
+sco3.2v4*)	LOCAL_CFLAGS="-DMUST_UNBLOCK_CHLD -DPATH_MAX=1024" ;;
+sco3.2*)	LOCAL_CFLAGS=-DMUST_UNBLOCK_CHLD ;;
+sunos4*)	LOCAL_CFLAGS=-DSunOS4 ;;
+solaris2.5*)	LOCAL_CFLAGS="-DSunOS5 -DSOLARIS" ;;
+solaris2.8*)	LOCAL_CFLAGS=-DSOLARIS  ;;
+solaris2.9*)	LOCAL_CFLAGS=-DSOLARIS  ;;
+solaris2.10*)	LOCAL_CFLAGS=-DSOLARIS  ;;
+solaris2*)	LOCAL_CFLAGS=-DSOLARIS ;;
+lynxos*)	LOCAL_CFLAGS=-DRECYCLES_PIDS ;;
+linux*)		LOCAL_LDFLAGS=-rdynamic		 # allow dynamic loading
+		case "`uname -r`" in
+		1.*|2.[[0123]]*)	: ;;
+		*)	AC_DEFINE(PGRP_PIPE) ;;
+		esac ;;
+netbsd*|openbsd*)	LOCAL_CFLAGS="-DDEV_FD_STAT_BROKEN" ;;
+freebsd*)	LOCAL_CFLAGS='-DHEREDOC_PIPESIZE=4096' ;;
+*qnx[[67]]*)	LOCAL_LIBS="-lncurses" ;;
+*qnx*)		LOCAL_CFLAGS="-Dqnx -F -3s" LOCAL_LDFLAGS="-3s" LOCAL_LIBS="-lunix -lncurses" ;;
+powerux*)	LOCAL_LIBS="-lgen" ;;
+cygwin*)	LOCAL_CFLAGS=-DRECYCLES_PIDS ;;
+opennt*|interix*) LOCAL_CFLAGS="-DNO_MAIN_ENV_ARG -DBROKEN_DIRENT_D_INO -D_POSIX_SOURCE -D_ALL_SOURCE -DRECYCLES_PIDS" ;;
+*openstep*)	LOCAL_CFLAGS="-D__APPLE_CC__" ;;
+esac
+
+dnl Stanza for OS/compiler pair-specific flags
+case "${host_os}-${CC}" in
+aix4.2*-*gcc*)	LOCAL_LDFLAGS="-Xlinker -bexpall -Xlinker -brtl" ;;
+aix4.2*)	LOCAL_LDFLAGS="-bexpall -brtl" ;;
+bsdi4*-*gcc*)	LOCAL_LDFLAGS="-rdynamic" ;;	# allow dynamic loading, like Linux
+bsdi5*-*gcc*)	LOCAL_LDFLAGS="-rdynamic" ;;	# allow dynamic loading, like Linux
+hpux11*-gcc*)	LOCAL_LDFLAGS="-Wl,-E" ;;	# allow dynamic loading
+esac
+
+dnl FreeBSD-3.x can have either a.out or ELF
+case "${host_os}" in
+freebsd[[3-9]]*)
+		if test -x /usr/bin/objformat && test "`/usr/bin/objformat`" = "elf" ; then
+			LOCAL_LDFLAGS=-rdynamic # allow dynamic loading
+		fi ;;
+freebsdelf*)	LOCAL_LDFLAGS=-rdynamic ;;	# allow dynamic loading
+dragonfly*)	LOCAL_LDFLAGS=-rdynamic ;;	# allow dynamic loading
+esac
+
+case "$host_cpu" in
+*cray*)		LOCAL_CFLAGS="-DCRAY" ;; # shell var so config.h can use it
+esac
+
+case "$host_cpu-$host_os" in
+ibmrt-*bsd4*)	LOCAL_CFLAGS="-ma -U__STDC__" ;;
+esac
+
+case "$host_cpu-$host_vendor-$host_os" in
+m88k-motorola-sysv3)	LOCAL_CFLAGS=-DWAITPID_BROKEN ;;
+mips-pyramid-sysv4)	LOCAL_CFLAGS=-Xa ;;
+esac
+
+# turn off paren warnings in gcc
+CFLAGS="$CFLAGS ${STYLE_CFLAGS}"
+
+#
+# Shared object configuration section.  These values are generated by
+# ${srcdir}/support/shobj-conf
+#
+if test "$ac_cv_func_dlopen" = "yes" && test -f ${srcdir}/support/shobj-conf
+then
+	AC_MSG_CHECKING(shared object configuration for loadable builtins)
+	eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c "${host_cpu}" -o "${host_os}" -v "${host_vendor}"`
+	AC_SUBST(SHOBJ_CC)
+	AC_SUBST(SHOBJ_CFLAGS)
+	AC_SUBST(SHOBJ_LD)
+	AC_SUBST(SHOBJ_LDFLAGS)
+	AC_SUBST(SHOBJ_XLDFLAGS)
+	AC_SUBST(SHOBJ_LIBS)
+	AC_SUBST(SHOBJ_STATUS)
+	AC_MSG_RESULT($SHOBJ_STATUS)
+else
+	SHOBJ_STATUS=unsupported
+	AC_SUBST(SHOBJ_STATUS)
+fi
+
+# try to create a directory tree if the source is elsewhere
+# this should be packaged into a script accessible via ${srcdir}/support
+case "$srcdir" in
+.)	;;
+*)	for d in doc tests support lib examples; do	# dirs
+		test -d $d || mkdir $d
+	done
+	for ld in readline glob tilde malloc sh termcap; do	# libdirs
+		test -d lib/$ld || mkdir lib/$ld
+	done
+	test -d examples/loadables || mkdir examples/loadables	# loadable builtins
+	test -d examples/loadables/perl || mkdir examples/loadables/perl
+	;;
+esac
+
+BUILD_DIR=`pwd`
+case "$BUILD_DIR" in
+*\ *)	BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
+*)	;;
+esac
+
+if test -z "$localedir"; then
+	localedir='${datarootdir}/locale'
+fi
+if test -z "$datarootdir"; then
+	datarootdir='${prefix}/share'
+fi
+
+AC_SUBST(PROFILE_FLAGS)
+
+AC_SUBST(incdir)
+AC_SUBST(BUILD_DIR)
+
+# Some versions of autoconf don't substitute these automatically
+AC_SUBST(datarootdir)
+AC_SUBST(localedir)
+
+# directory where we install dynamically loadable builtins
+if test -z "$loadablesdir"; then
+	loadablesdir='${libdir}/bash'
+fi
+AC_SUBST(loadablesdir)
+if test -z "$headersdir"; then
+	headersdir='$(includedir)/$(PACKAGE_NAME)'
+fi
+AC_SUBST(headersdir)
+
+AC_SUBST(YACC)
+AC_SUBST(AR)
+AC_SUBST(ARFLAGS)
+
+AC_SUBST(BASHVERS)
+AC_SUBST(RELSTATUS)
+AC_SUBST(DEBUG)
+AC_SUBST(MALLOC_DEBUG)
+
+AC_SUBST(host_cpu)
+AC_SUBST(host_vendor)
+AC_SUBST(host_os)
+
+AC_SUBST(LOCAL_LIBS)
+AC_SUBST(LOCAL_CFLAGS)
+AC_SUBST(LOCAL_LDFLAGS)
+AC_SUBST(LOCAL_DEFS)
+
+#AC_SUBST(ALLOCA_SOURCE)
+#AC_SUBST(ALLOCA_OBJECT)
+
+AC_OUTPUT([Makefile builtins/Makefile lib/readline/Makefile lib/glob/Makefile \
+	  lib/intl/Makefile \
+	  lib/malloc/Makefile lib/sh/Makefile lib/termcap/Makefile \
+	  lib/tilde/Makefile doc/Makefile support/Makefile po/Makefile.in \
+	  examples/loadables/Makefile examples/loadables/Makefile.inc \
+	  examples/loadables/perl/Makefile \
+	  support/bash.pc support/bashbug.sh],
+[
+# Makefile uses this timestamp file to record whether config.h is up to date.
+echo timestamp > stamp-h
+])