+# This file is part of Autoconf. -*- Autoconf -*-
+# Parameterized macros.
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+# 2002, 2003, 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 2, 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+# As a special exception, the Free Software Foundation gives unlimited
+# permission to copy, distribute and modify the configure scripts that
+# are the output of Autoconf. You need not follow the terms of the GNU
+# General Public License when using or distributing such scripts, even
+# though portions of the text of Autoconf appear in them. The GNU
+# General Public License (GPL) does govern all other use of the material
+# that constitutes the Autoconf program.
+#
+# Certain portions of the Autoconf source text are designed to be copied
+# (in certain cases, depending on the input) into the output of
+# Autoconf. We call these the "data" portions. The rest of the Autoconf
+# source text consists of comments plus executable code that decides which
+# of the data portions to output in any given case. We call these
+# comments and executable code the "non-data" portions. Autoconf never
+# copies any of the non-data portions into its output.
+#
+# This special exception to the GPL applies to versions of Autoconf
+# released by the Free Software Foundation. When you make and
+# distribute a modified version of Autoconf, you may extend this special
+# exception to the GPL to apply to your modified version as well, *unless*
+# your modified version has the potential to copy into its output some
+# of the text that was the non-data portion of the version that you started
+# with. (In other words, unless your change moves or copies text from
+# the non-data portions to the data portions.) If your modification has
+# such potential, you must delete any notice of this special exception
+# to the GPL from your modified version.
+#
+# Written by David MacKenzie, with help from
+# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
+# Roland McGrath, Noah Friedman, david d zuhn, and many others.
+
+
+## ---------------- ##
+## The diversions. ##
+## ---------------- ##
+
+
+# We heavily use m4's diversions both for the initializations and for
+# required macros (see AC_REQUIRE), because in both cases we have to
+# issue high in `configure' something which is discovered late.
+#
+# KILL is only used to suppress output.
+#
+# The layers of `configure'. We let m4 undivert them by itself, when
+# it reaches the end of `configure.ac'.
+#
+# - BINSH
+# #! /bin/sh
+# - HEADER-REVISION
+# Sent by AC_REVISION
+# - HEADER-COMMENT
+# Purpose of the script.
+# - HEADER-COPYRIGHT
+# Copyright notice(s)
+# - M4SH-INIT
+# Initialization of bottom layers.
+#
+# - DEFAULTS
+# early initializations (defaults)
+# - PARSE_ARGS
+# initialization code, option handling loop.
+#
+# - HELP_BEGIN
+# Handling `configure --help'.
+# - HELP_CANON
+# Help msg for AC_CANONICAL_*
+# - HELP_ENABLE
+# Help msg from AC_ARG_ENABLE.
+# - HELP_WITH
+# Help msg from AC_ARG_WITH.
+# - HELP_VAR
+# Help msg from AC_ARG_VAR.
+# - HELP_VAR_END
+# A small paragraph on the use of the variables.
+# - HELP_END
+# Tail of the handling of --help.
+#
+# - VERSION_BEGIN
+# Head of the handling of --version.
+# - VERSION_FSF
+# FSF copyright notice for --version.
+# - VERSION_USER
+# User copyright notice for --version.
+# - VERSION_END
+# Tail of the handling of --version.
+#
+# - INIT_PREPARE
+# Tail of initialization code.
+#
+# - BODY
+# the tests and output code
+#
+
+
+# _m4_divert(DIVERSION-NAME)
+# --------------------------
+# Convert a diversion name into its number. Otherwise, return
+# DIVERSION-NAME which is supposed to be an actual diversion number.
+# Of course it would be nicer to use m4_case here, instead of zillions
+# of little macros, but it then takes twice longer to run `autoconf'!
+#
+# From M4sugar:
+# -1. KILL
+# 10000. GROW
+#
+# From M4sh:
+# 0. BINSH
+# 1. HEADER-REVISION
+# 2. HEADER-COMMENT
+# 3. HEADER-COPYRIGHT
+# 4. M4SH-INIT
+# 1000. BODY
+m4_define([_m4_divert(DEFAULTS)], 10)
+m4_define([_m4_divert(PARSE_ARGS)], 20)
+
+m4_define([_m4_divert(HELP_BEGIN)], 100)
+m4_define([_m4_divert(HELP_CANON)], 101)
+m4_define([_m4_divert(HELP_ENABLE)], 102)
+m4_define([_m4_divert(HELP_WITH)], 103)
+m4_define([_m4_divert(HELP_VAR)], 104)
+m4_define([_m4_divert(HELP_VAR_END)], 105)
+m4_define([_m4_divert(HELP_END)], 106)
+
+m4_define([_m4_divert(VERSION_BEGIN)], 200)
+m4_define([_m4_divert(VERSION_FSF)], 201)
+m4_define([_m4_divert(VERSION_USER)], 202)
+m4_define([_m4_divert(VERSION_END)], 203)
+
+m4_define([_m4_divert(INIT_PREPARE)], 300)
+
+
+
+# AC_DIVERT_PUSH(DIVERSION-NAME)
+# AC_DIVERT_POP
+# ------------------------------
+m4_copy([m4_divert_push],[AC_DIVERT_PUSH])
+m4_copy([m4_divert_pop], [AC_DIVERT_POP])
+
+
+
+## ------------------------------------ ##
+## Defining/requiring Autoconf macros. ##
+## ------------------------------------ ##
+
+
+# AC_DEFUN(NAME, EXPANSION)
+# AC_DEFUN_ONCE(NAME, EXPANSION)
+# AC_BEFORE(THIS-MACRO-NAME, CALLED-MACRO-NAME)
+# AC_REQUIRE(STRING)
+# AC_PROVIDE(MACRO-NAME)
+# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
+# -----------------------------------------------------------
+m4_copy([m4_defun], [AC_DEFUN])
+m4_copy([m4_defun_once], [AC_DEFUN_ONCE])
+m4_copy([m4_before], [AC_BEFORE])
+m4_copy([m4_require], [AC_REQUIRE])
+m4_copy([m4_provide], [AC_PROVIDE])
+m4_copy([m4_provide_if], [AC_PROVIDE_IFELSE])
+
+
+# AC_OBSOLETE(THIS-MACRO-NAME, [SUGGESTION])
+# ------------------------------------------
+m4_define([AC_OBSOLETE],
+[AC_DIAGNOSE([obsolete], [$1 is obsolete$2])])
+
+
+
+## ----------------------------- ##
+## Implementing Autoconf loops. ##
+## ----------------------------- ##
+
+
+# AC_FOREACH(VARIABLE, LIST, EXPRESSION)
+# --------------------------------------
+#
+# Compute EXPRESSION assigning to VARIABLE each value of the LIST.
+# LIST is a /bin/sh list, i.e., it has the form ` item_1 item_2
+# ... item_n ': white spaces are separators, and leading and trailing
+# spaces are meaningless.
+#
+# This macro is robust to active symbols:
+# AC_FOREACH([Var], [ active
+# b act\
+# ive ], [-Var-])end
+# => -active--b--active-end
+m4_define([AC_FOREACH],
+[m4_foreach([$1], m4_split(m4_normalize([$2])), [$3])])
+
+
+
+
+## ----------------------------------- ##
+## Helping macros to display strings. ##
+## ----------------------------------- ##
+
+
+# AU::AC_HELP_STRING(LHS, RHS, [COLUMN])
+# --------------------------------------
+AU_ALIAS([AC_HELP_STRING], [AS_HELP_STRING])
+
+
+
+## ---------------------------------------------- ##
+## Information on the package being Autoconf'ed. ##
+## ---------------------------------------------- ##
+
+
+# It is suggested that the macros in this section appear before
+# AC_INIT in `configure.ac'. Nevertheless, this is just stylistic,
+# and from the implementation point of, AC_INIT *must* be expanded
+# beforehand: it puts data in diversions which must appear before the
+# data provided by the macros of this section.
+
+# The solution is to require AC_INIT in each of these macros. AC_INIT
+# has the needed magic so that it can't be expanded twice.
+
+
+
+# _AC_INIT_PACKAGE(PACKAGE-NAME, VERSION, BUG-REPORT, [TARNAME])
+# --------------------------------------------------------------
+m4_define([_AC_INIT_PACKAGE],
+[AS_LITERAL_IF([$1], [], [m4_warn([syntax], [AC_INIT: not a literal: $1])])
+AS_LITERAL_IF([$2], [], [m4_warn([syntax], [AC_INIT: not a literal: $2])])
+AS_LITERAL_IF([$3], [], [m4_warn([syntax], [AC_INIT: not a literal: $3])])
+m4_ifndef([AC_PACKAGE_NAME],
+ [m4_define([AC_PACKAGE_NAME], [$1])])
+m4_ifndef([AC_PACKAGE_TARNAME],
+ [m4_define([AC_PACKAGE_TARNAME],
+ m4_default([$4],
+ [m4_bpatsubst(m4_tolower(m4_bpatsubst([[[$1]]],
+ [GNU ])),
+ [[^_abcdefghijklmnopqrstuvwxyz0123456789]],
+ [-])]))])
+m4_ifndef([AC_PACKAGE_VERSION],
+ [m4_define([AC_PACKAGE_VERSION], [$2])])
+m4_ifndef([AC_PACKAGE_STRING],
+ [m4_define([AC_PACKAGE_STRING], [$1 $2])])
+m4_ifndef([AC_PACKAGE_BUGREPORT],
+ [m4_define([AC_PACKAGE_BUGREPORT], [$3])])
+])
+
+
+# AC_COPYRIGHT(TEXT, [VERSION-DIVERSION = VERSION_USER])
+# ------------------------------------------------------
+# Append Copyright information in the top of `configure'. TEXT is
+# evaluated once, hence TEXT can use macros. Note that we do not
+# prepend `# ' but `@%:@ ', since m4 does not evaluate the comments.
+# Had we used `# ', the Copyright sent in the beginning of `configure'
+# would have not been evaluated. Another solution, a bit fragile,
+# would have be to use m4_quote to force an evaluation:
+#
+# m4_bpatsubst(m4_quote($1), [^], [# ])
+m4_define([AC_COPYRIGHT],
+[m4_divert_text([HEADER-COPYRIGHT],
+[m4_bpatsubst([
+$1], [^], [@%:@ ])])dnl
+m4_divert_text(m4_default([$2], [VERSION_USER]),
+[
+$1])dnl
+])# AC_COPYRIGHT
+
+
+# AC_REVISION(REVISION-INFO)
+# --------------------------
+# The second quote in the translit is just to cope with font-lock-mode
+# which sees the opening of a string.
+m4_define([AC_REVISION],
+[m4_divert_text([HEADER-REVISION],
+ [@%:@ From __file__ m4_translit([$1], [$""]).])dnl
+])
+
+
+
+
+## ---------------------------------------- ##
+## Requirements over the Autoconf version. ##
+## ---------------------------------------- ##
+
+
+# AU::AC_PREREQ(VERSION)
+# ----------------------
+# Update this `AC_PREREQ' statement to require the current version of
+# Autoconf. But fail if ever this autoupdate is too old.
+#
+# Note that `m4_defn([m4_PACKAGE_VERSION])' below are expanded before
+# calling `AU_DEFUN', i.e., it is hard coded. Otherwise it would be
+# quite complex for autoupdate to import the value of
+# `m4_PACKAGE_VERSION'. We could `AU_DEFUN' `m4_PACKAGE_VERSION', but
+# this would replace all its occurrences with the current version of
+# Autoconf, which is certainly not what the user intended.
+AU_DEFUN([AC_PREREQ],
+[m4_version_prereq([$1])[]dnl
+[AC_PREREQ(]]m4_defn([m4_PACKAGE_VERSION])[[)]])
+
+
+# AC_PREREQ(VERSION)
+# ------------------
+# Complain and exit if the Autoconf version is less than VERSION.
+m4_copy([m4_version_prereq], [AC_PREREQ])
+
+
+
+
+
+
+## ---------------- ##
+## Initialization. ##
+## ---------------- ##
+
+
+# All the following macros are used by AC_INIT. Ideally, they should
+# be presented in the order in which they are output. Please, help us
+# sorting it, or at least, don't augment the entropy.
+
+
+# _AC_INIT_NOTICE
+# ---------------
+m4_define([_AC_INIT_NOTICE],
+[m4_divert_text([HEADER-COMMENT],
+[@%:@ Guess values for system-dependent variables and create Makefiles.
+@%:@ Generated by m4_PACKAGE_STRING[]dnl
+m4_ifset([AC_PACKAGE_STRING], [ for AC_PACKAGE_STRING]).])
+
+m4_ifset([AC_PACKAGE_BUGREPORT],
+ [m4_divert_text([HEADER-COMMENT],
+ [@%:@
+@%:@ Report bugs to <AC_PACKAGE_BUGREPORT>.])])
+])
+
+
+# _AC_INIT_COPYRIGHT
+# ------------------
+# We dump to VERSION_FSF to make sure we are inserted before the
+# user copyrights, and after the setup of the --version handling.
+m4_define([_AC_INIT_COPYRIGHT],
+[AC_COPYRIGHT(
+[Copyright (C) 2003 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.],
+ [VERSION_FSF])dnl
+])
+
+
+# File Descriptors
+# ----------------
+# Set up the file descriptors used by `configure'.
+# File descriptor usage:
+# 0 standard input
+# 1 file creation
+# 2 errors and warnings
+# AS_MESSAGE_LOG_FD compiler messages saved in config.log
+# AS_MESSAGE_FD checking for... messages and results
+
+m4_define([AS_MESSAGE_FD], 6)
+# That's how they used to be named.
+AU_ALIAS([AC_FD_CC], [AS_MESSAGE_LOG_FD])
+AU_ALIAS([AC_FD_MSG], [AS_MESSAGE_FD])
+
+
+# _AC_INIT_DEFAULTS
+# -----------------
+# Values which defaults can be set from `configure.ac'.
+# `/bin/machine' is used in `glibcbug'. The others are used in config.*
+m4_define([_AC_INIT_DEFAULTS],
+[m4_divert_push([DEFAULTS])dnl
+
+# Name of the host.
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+exec AS_MESSAGE_FD>&1
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_config_libobj_dir=.
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+AC_SUBST([SHELL], [${CONFIG_SHELL-/bin/sh}])dnl
+AC_SUBST([PATH_SEPARATOR])dnl
+
+# Maximum number of lines to put in a shell here document.
+# This variable seems obsolete. It should probably be removed, and
+# only ac_max_sed_lines should be used.
+: ${ac_max_here_lines=38}
+
+# Identity of this package.
+AC_SUBST([PACKAGE_NAME],
+ [m4_ifdef([AC_PACKAGE_NAME], ['AC_PACKAGE_NAME'])])dnl
+AC_SUBST([PACKAGE_TARNAME],
+ [m4_ifdef([AC_PACKAGE_TARNAME], ['AC_PACKAGE_TARNAME'])])dnl
+AC_SUBST([PACKAGE_VERSION],
+ [m4_ifdef([AC_PACKAGE_VERSION], ['AC_PACKAGE_VERSION'])])dnl
+AC_SUBST([PACKAGE_STRING],
+ [m4_ifdef([AC_PACKAGE_STRING], ['AC_PACKAGE_STRING'])])dnl
+AC_SUBST([PACKAGE_BUGREPORT],
+ [m4_ifdef([AC_PACKAGE_BUGREPORT], ['AC_PACKAGE_BUGREPORT'])])dnl
+
+m4_divert_pop([DEFAULTS])dnl
+m4_wrap([m4_divert_text([DEFAULTS],
+[ac_subst_vars='m4_ifdef([_AC_SUBST_VARS], [m4_defn([_AC_SUBST_VARS])])'
+ac_subst_files='m4_ifdef([_AC_SUBST_FILES], [m4_defn([_AC_SUBST_FILES])])'])])dnl
+])# _AC_INIT_DEFAULTS
+
+
+# AC_PREFIX_DEFAULT(PREFIX)
+# -------------------------
+AC_DEFUN([AC_PREFIX_DEFAULT],
+[m4_divert_text([DEFAULTS], [ac_default_prefix=$1])])
+
+
+# AC_PREFIX_PROGRAM(PROGRAM)
+# --------------------------
+# Guess the value for the `prefix' variable by looking for
+# the argument program along PATH and taking its parent.
+# Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
+# set `prefix' to /usr/local/gnu.
+# This comes too late to find a site file based on the prefix,
+# and it might use a cached value for the path.
+# No big loss, I think, since most configures don't use this macro anyway.
+AC_DEFUN([AC_PREFIX_PROGRAM],
+[if test "x$prefix" = xNONE; then
+dnl We reimplement AC_MSG_CHECKING (mostly) to avoid the ... in the middle.
+ _AS_ECHO_N([checking for prefix by ])
+ AC_PATH_PROG(ac_prefix_program, [$1])
+ if test -n "$ac_prefix_program"; then
+ prefix=`AS_DIRNAME(["$ac_prefix_program"])`
+ prefix=`AS_DIRNAME(["$prefix"])`
+ fi
+fi
+])# AC_PREFIX_PROGRAM
+
+
+# AC_CONFIG_SRCDIR([UNIQUE-FILE-IN-SOURCE-DIR])
+# ---------------------------------------------
+# UNIQUE-FILE-IN-SOURCE-DIR is a filename unique to this package,
+# relative to the directory that configure is in, which we can look
+# for to find out if srcdir is correct.
+AC_DEFUN([AC_CONFIG_SRCDIR],
+[m4_divert_text([DEFAULTS], [ac_unique_file="$1"])])
+
+
+# _AC_INIT_SRCDIR
+# ---------------
+# Compute `srcdir' based on `$ac_unique_file'.
+m4_define([_AC_INIT_SRCDIR],
+[m4_divert_push([PARSE_ARGS])dnl
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+ ac_srcdir_defaulted=yes
+ # Try the directory containing this script, then its parent.
+ ac_confdir=`AS_DIRNAME(["$[0]"])`
+ srcdir=$ac_confdir
+ if test ! -r $srcdir/$ac_unique_file; then
+ srcdir=..
+ fi
+else
+ ac_srcdir_defaulted=no
+fi
+if test ! -r $srcdir/$ac_unique_file; then
+ if test "$ac_srcdir_defaulted" = yes; then
+ AC_MSG_ERROR([cannot find sources ($ac_unique_file) in $ac_confdir or ..])
+ else
+ AC_MSG_ERROR([cannot find sources ($ac_unique_file) in $srcdir])
+ fi
+fi
+(cd $srcdir && test -r ./$ac_unique_file) 2>/dev/null ||
+ AC_MSG_ERROR([sources are in $srcdir, but `cd $srcdir' does not work])
+dnl Double slashes in pathnames in object file debugging info
+dnl mess up M-x gdb in Emacs.
+srcdir=`echo "$srcdir" | sed 's%\([[^\\/]]\)[[\\/]]*$%\1%'`
+m4_divert_pop([PARSE_ARGS])dnl
+])# _AC_INIT_SRCDIR
+
+
+# _AC_INIT_PARSE_ARGS
+# -------------------
+m4_define([_AC_INIT_PARSE_ARGS],
+[m4_divert_push([PARSE_ARGS])dnl
+
+# Initialize some variables set by options.
+ac_init_help=
+ac_init_version=false
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+cache_file=/dev/null
+AC_SUBST(exec_prefix, NONE)dnl
+no_create=
+no_recursion=
+AC_SUBST(prefix, NONE)dnl
+program_prefix=NONE
+program_suffix=NONE
+AC_SUBST(program_transform_name, [s,x,x,])dnl
+silent=
+site=
+srcdir=
+verbose=
+x_includes=NONE
+x_libraries=NONE
+
+# Installation directory options.
+# These are left unexpanded so users can "make install exec_prefix=/foo"
+# and all the variables that are supposed to be based on exec_prefix
+# by default will actually change.
+# Use braces instead of parens because sh, perl, etc. also accept them.
+AC_SUBST([bindir], ['${exec_prefix}/bin'])dnl
+AC_SUBST([sbindir], ['${exec_prefix}/sbin'])dnl
+AC_SUBST([libexecdir], ['${exec_prefix}/libexec'])dnl
+AC_SUBST([datadir], ['${prefix}/share'])dnl
+AC_SUBST([sysconfdir], ['${prefix}/etc'])dnl
+AC_SUBST([sharedstatedir], ['${prefix}/com'])dnl
+AC_SUBST([localstatedir], ['${prefix}/var'])dnl
+AC_SUBST([libdir], ['${exec_prefix}/lib'])dnl
+AC_SUBST([includedir], ['${prefix}/include'])dnl
+AC_SUBST([oldincludedir], ['/usr/include'])dnl
+AC_SUBST([infodir], ['${prefix}/info'])dnl
+AC_SUBST([mandir], ['${prefix}/man'])dnl
+
+ac_prev=
+for ac_option
+do
+ # If the previous option needs an argument, assign it.
+ if test -n "$ac_prev"; then
+ eval "$ac_prev=\$ac_option"
+ ac_prev=
+ continue
+ fi
+
+ ac_optarg=`expr "x$ac_option" : 'x[[^=]]*=\(.*\)'`
+
+ # Accept the important Cygnus configure options, so we can diagnose typos.
+
+ case $ac_option in
+
+ -bindir | --bindir | --bindi | --bind | --bin | --bi)
+ ac_prev=bindir ;;
+ -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+ bindir=$ac_optarg ;;
+
+ -build | --build | --buil | --bui | --bu)
+ ac_prev=build_alias ;;
+ -build=* | --build=* | --buil=* | --bui=* | --bu=*)
+ build_alias=$ac_optarg ;;
+
+ -cache-file | --cache-file | --cache-fil | --cache-fi \
+ | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+ ac_prev=cache_file ;;
+ -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+ | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+ cache_file=$ac_optarg ;;
+
+ --config-cache | -C)
+ cache_file=config.cache ;;
+
+ -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
+ ac_prev=datadir ;;
+ -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
+ | --da=*)
+ datadir=$ac_optarg ;;
+
+ -disable-* | --disable-*)
+ ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+ # Reject names that are not valid shell variable names.
+ expr "x$ac_feature" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
+ AC_MSG_ERROR([invalid feature name: $ac_feature])
+ ac_feature=`echo $ac_feature | sed 's/-/_/g'`
+ eval "enable_$ac_feature=no" ;;
+
+ -enable-* | --enable-*)
+ ac_feature=`expr "x$ac_option" : 'x-*enable-\([[^=]]*\)'`
+ # Reject names that are not valid shell variable names.
+ expr "x$ac_feature" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
+ AC_MSG_ERROR([invalid feature name: $ac_feature])
+ ac_feature=`echo $ac_feature | sed 's/-/_/g'`
+ case $ac_option in
+ *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
+ *) ac_optarg=yes ;;
+ esac
+ eval "enable_$ac_feature='$ac_optarg'" ;;
+
+ -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
+ | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+ | --exec | --exe | --ex)
+ ac_prev=exec_prefix ;;
+ -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+ | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+ | --exec=* | --exe=* | --ex=*)
+ exec_prefix=$ac_optarg ;;
+
+ -gas | --gas | --ga | --g)
+ # Obsolete; use --with-gas.
+ with_gas=yes ;;
+
+ -help | --help | --hel | --he | -h)
+ ac_init_help=long ;;
+ -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
+ ac_init_help=recursive ;;
+ -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
+ ac_init_help=short ;;
+
+ -host | --host | --hos | --ho)
+ ac_prev=host_alias ;;
+ -host=* | --host=* | --hos=* | --ho=*)
+ host_alias=$ac_optarg ;;
+
+ -includedir | --includedir | --includedi | --included | --include \
+ | --includ | --inclu | --incl | --inc)
+ ac_prev=includedir ;;
+ -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+ | --includ=* | --inclu=* | --incl=* | --inc=*)
+ includedir=$ac_optarg ;;
+
+ -infodir | --infodir | --infodi | --infod | --info | --inf)
+ ac_prev=infodir ;;
+ -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+ infodir=$ac_optarg ;;
+
+ -libdir | --libdir | --libdi | --libd)
+ ac_prev=libdir ;;
+ -libdir=* | --libdir=* | --libdi=* | --libd=*)
+ libdir=$ac_optarg ;;
+
+ -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+ | --libexe | --libex | --libe)
+ ac_prev=libexecdir ;;
+ -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+ | --libexe=* | --libex=* | --libe=*)
+ libexecdir=$ac_optarg ;;
+
+ -localstatedir | --localstatedir | --localstatedi | --localstated \
+ | --localstate | --localstat | --localsta | --localst \
+ | --locals | --local | --loca | --loc | --lo)
+ ac_prev=localstatedir ;;
+ -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+ | --localstate=* | --localstat=* | --localsta=* | --localst=* \
+ | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
+ localstatedir=$ac_optarg ;;
+
+ -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+ ac_prev=mandir ;;
+ -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+ mandir=$ac_optarg ;;
+
+ -nfp | --nfp | --nf)
+ # Obsolete; use --without-fp.
+ with_fp=no ;;
+
+ -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+ | --no-cr | --no-c | -n)
+ no_create=yes ;;
+
+ -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+ | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+ no_recursion=yes ;;
+
+ -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+ | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+ | --oldin | --oldi | --old | --ol | --o)
+ ac_prev=oldincludedir ;;
+ -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+ | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+ | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+ oldincludedir=$ac_optarg ;;
+
+ -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+ ac_prev=prefix ;;
+ -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+ prefix=$ac_optarg ;;
+
+ -program-prefix | --program-prefix | --program-prefi | --program-pref \
+ | --program-pre | --program-pr | --program-p)
+ ac_prev=program_prefix ;;
+ -program-prefix=* | --program-prefix=* | --program-prefi=* \
+ | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+ program_prefix=$ac_optarg ;;
+
+ -program-suffix | --program-suffix | --program-suffi | --program-suff \
+ | --program-suf | --program-su | --program-s)
+ ac_prev=program_suffix ;;
+ -program-suffix=* | --program-suffix=* | --program-suffi=* \
+ | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+ program_suffix=$ac_optarg ;;
+
+ -program-transform-name | --program-transform-name \
+ | --program-transform-nam | --program-transform-na \
+ | --program-transform-n | --program-transform- \
+ | --program-transform | --program-transfor \
+ | --program-transfo | --program-transf \
+ | --program-trans | --program-tran \
+ | --progr-tra | --program-tr | --program-t)
+ ac_prev=program_transform_name ;;
+ -program-transform-name=* | --program-transform-name=* \
+ | --program-transform-nam=* | --program-transform-na=* \
+ | --program-transform-n=* | --program-transform-=* \
+ | --program-transform=* | --program-transfor=* \
+ | --program-transfo=* | --program-transf=* \
+ | --program-trans=* | --program-tran=* \
+ | --progr-tra=* | --program-tr=* | --program-t=*)
+ program_transform_name=$ac_optarg ;;
+
+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+ | -silent | --silent | --silen | --sile | --sil)
+ silent=yes ;;
+
+ -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+ ac_prev=sbindir ;;
+ -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+ | --sbi=* | --sb=*)
+ sbindir=$ac_optarg ;;
+
+ -sharedstatedir | --sharedstatedir | --sharedstatedi \
+ | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+ | --sharedst | --shareds | --shared | --share | --shar \
+ | --sha | --sh)
+ ac_prev=sharedstatedir ;;
+ -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+ | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+ | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+ | --sha=* | --sh=*)
+ sharedstatedir=$ac_optarg ;;
+
+ -site | --site | --sit)
+ ac_prev=site ;;
+ -site=* | --site=* | --sit=*)
+ site=$ac_optarg ;;
+
+ -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+ ac_prev=srcdir ;;
+ -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+ srcdir=$ac_optarg ;;
+
+ -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+ | --syscon | --sysco | --sysc | --sys | --sy)
+ ac_prev=sysconfdir ;;
+ -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+ | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+ sysconfdir=$ac_optarg ;;
+
+ -target | --target | --targe | --targ | --tar | --ta | --t)
+ ac_prev=target_alias ;;
+ -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+ target_alias=$ac_optarg ;;
+
+ -v | -verbose | --verbose | --verbos | --verbo | --verb)
+ verbose=yes ;;
+
+ -version | --version | --versio | --versi | --vers | -V)
+ ac_init_version=: ;;
+
+ -with-* | --with-*)
+ ac_package=`expr "x$ac_option" : 'x-*with-\([[^=]]*\)'`
+ # Reject names that are not valid shell variable names.
+ expr "x$ac_package" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
+ AC_MSG_ERROR([invalid package name: $ac_package])
+ ac_package=`echo $ac_package| sed 's/-/_/g'`
+ case $ac_option in
+ *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
+ *) ac_optarg=yes ;;
+ esac
+ eval "with_$ac_package='$ac_optarg'" ;;
+
+ -without-* | --without-*)
+ ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+ # Reject names that are not valid shell variable names.
+ expr "x$ac_package" : "[.*[^-_$as_cr_alnum]]" >/dev/null &&
+ AC_MSG_ERROR([invalid package name: $ac_package])
+ ac_package=`echo $ac_package | sed 's/-/_/g'`
+ eval "with_$ac_package=no" ;;
+
+ --x)
+ # Obsolete; use --with-x.
+ with_x=yes ;;
+
+ -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+ | --x-incl | --x-inc | --x-in | --x-i)
+ ac_prev=x_includes ;;
+ -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+ | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+ x_includes=$ac_optarg ;;
+
+ -x-libraries | --x-libraries | --x-librarie | --x-librari \
+ | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+ ac_prev=x_libraries ;;
+ -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+ | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+ x_libraries=$ac_optarg ;;
+
+ -*) AC_MSG_ERROR([unrecognized option: $ac_option
+Try `$[0] --help' for more information.])
+ ;;
+
+ *=*)
+ ac_envvar=`expr "x$ac_option" : 'x\([[^=]]*\)='`
+ # Reject names that are not valid shell variable names.
+ expr "x$ac_envvar" : "[.*[^_$as_cr_alnum]]" >/dev/null &&
+ AC_MSG_ERROR([invalid variable name: $ac_envvar])
+ ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`
+ eval "$ac_envvar='$ac_optarg'"
+ export $ac_envvar ;;
+
+ *)
+ # FIXME: should be removed in autoconf 3.0.
+ AC_MSG_WARN([you should use --build, --host, --target])
+ expr "x$ac_option" : "[.*[^-._$as_cr_alnum]]" >/dev/null &&
+ AC_MSG_WARN([invalid host type: $ac_option])
+ : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+ ;;
+
+ esac
+done
+
+if test -n "$ac_prev"; then
+ ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+ AC_MSG_ERROR([missing argument to $ac_option])
+fi
+
+# Be sure to have absolute paths.
+for ac_var in exec_prefix prefix
+do
+ eval ac_val=$`echo $ac_var`
+ case $ac_val in
+ [[\\/$]]* | ?:[[\\/]]* | NONE | '' ) ;;
+ *) AC_MSG_ERROR([expected an absolute directory name for --$ac_var: $ac_val]);;
+ esac
+done
+
+# Be sure to have absolute paths.
+for ac_var in bindir sbindir libexecdir datadir sysconfdir sharedstatedir \
+ localstatedir libdir includedir oldincludedir infodir mandir
+do
+ eval ac_val=$`echo $ac_var`
+ case $ac_val in
+ [[\\/$]]* | ?:[[\\/]]* ) ;;
+ *) AC_MSG_ERROR([expected an absolute directory name for --$ac_var: $ac_val]);;
+ esac
+done
+
+# There might be people who depend on the old broken behavior: `$host'
+# used to hold the argument of --host etc.
+# FIXME: To remove some day.
+build=$build_alias
+host=$host_alias
+target=$target_alias
+
+# FIXME: To remove some day.
+if test "x$host_alias" != x; then
+ if test "x$build_alias" = x; then
+ cross_compiling=maybe
+ AC_MSG_WARN([If you wanted to set the --build type, don't use --host.
+ If a cross compiler is detected then cross compile mode will be used.])
+ elif test "x$build_alias" != "x$host_alias"; then
+ cross_compiling=yes
+ fi
+fi
+
+ac_tool_prefix=
+test -n "$host_alias" && ac_tool_prefix=$host_alias-
+
+test "$silent" = yes && exec AS_MESSAGE_FD>/dev/null
+
+m4_divert_pop([PARSE_ARGS])dnl
+])# _AC_INIT_PARSE_ARGS
+
+
+# _AC_INIT_HELP
+# -------------
+# Handle the `configure --help' message.
+m4_define([_AC_INIT_HELP],
+[m4_divert_push([HELP_BEGIN])dnl
+
+#
+# Report the --help message.
+#
+if test "$ac_init_help" = "long"; then
+ # Omit some internal or obsolete options to make the list less imposing.
+ # This message is too long to be a string in the A/UX 3.1 sh.
+ cat <<_ACEOF
+\`configure' configures m4_ifset([AC_PACKAGE_STRING],
+ [AC_PACKAGE_STRING],
+ [this package]) to adapt to many kinds of systems.
+
+Usage: $[0] [[OPTION]]... [[VAR=VALUE]]...
+
+[To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE. See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+ -h, --help display this help and exit
+ --help=short display options specific to this package
+ --help=recursive display the short help of all the included packages
+ -V, --version display version information and exit
+ -q, --quiet, --silent do not print \`checking...' messages
+ --cache-file=FILE cache test results in FILE [disabled]
+ -C, --config-cache alias for \`--cache-file=config.cache'
+ -n, --no-create do not create output files
+ --srcdir=DIR find the sources in DIR [configure dir or \`..']
+
+_ACEOF
+
+ cat <<_ACEOF
+Installation directories:
+ --prefix=PREFIX install architecture-independent files in PREFIX
+ [$ac_default_prefix]
+ --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
+ [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+ --bindir=DIR user executables [EPREFIX/bin]
+ --sbindir=DIR system admin executables [EPREFIX/sbin]
+ --libexecdir=DIR program executables [EPREFIX/libexec]
+ --datadir=DIR read-only architecture-independent data [PREFIX/share]
+ --sysconfdir=DIR read-only single-machine data [PREFIX/etc]
+ --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com]
+ --localstatedir=DIR modifiable single-machine data [PREFIX/var]
+ --libdir=DIR object code libraries [EPREFIX/lib]
+ --includedir=DIR C header files [PREFIX/include]
+ --oldincludedir=DIR C header files for non-gcc [/usr/include]
+ --infodir=DIR info documentation [PREFIX/info]
+ --mandir=DIR man documentation [PREFIX/man]
+_ACEOF
+
+ cat <<\_ACEOF]
+m4_divert_pop([HELP_BEGIN])dnl
+dnl The order of the diversions here is
+dnl - HELP_BEGIN
+dnl which may be extended by extra generic options such as with X or
+dnl AC_ARG_PROGRAM. Displayed only in long --help.
+dnl
+dnl - HELP_CANON
+dnl Support for cross compilation (--build, --host and --target).
+dnl Display only in long --help.
+dnl
+dnl - HELP_ENABLE
+dnl which starts with the trailer of the HELP_BEGIN, HELP_CANON section,
+dnl then implements the header of the non generic options.
+dnl
+dnl - HELP_WITH
+dnl
+dnl - HELP_VAR
+dnl
+dnl - HELP_VAR_END
+dnl
+dnl - HELP_END
+dnl initialized below, in which we dump the trailer (handling of the
+dnl recursion for instance).
+m4_divert_push([HELP_ENABLE])dnl
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+m4_ifset([AC_PACKAGE_STRING],
+[ case $ac_init_help in
+ short | recursive ) echo "Configuration of AC_PACKAGE_STRING:";;
+ esac])
+ cat <<\_ACEOF
+m4_divert_pop([HELP_ENABLE])dnl
+m4_divert_push([HELP_END])dnl
+m4_ifset([AC_PACKAGE_BUGREPORT], [
+Report bugs to <AC_PACKAGE_BUGREPORT>.])
+_ACEOF
+fi
+
+if test "$ac_init_help" = "recursive"; then
+ # If there are subdirs, report their specific --help.
+ ac_popdir=`pwd`
+ for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+ test -d $ac_dir || continue
+ _AC_SRCPATHS(["$ac_dir"])
+ cd $ac_dir
+ # Check for guested configure; otherwise get Cygnus style configure.
+ if test -f $ac_srcdir/configure.gnu; then
+ echo
+ $SHELL $ac_srcdir/configure.gnu --help=recursive
+ elif test -f $ac_srcdir/configure; then
+ echo
+ $SHELL $ac_srcdir/configure --help=recursive
+ elif test -f $ac_srcdir/configure.ac ||
+ test -f $ac_srcdir/configure.in; then
+ echo
+ $ac_configure --help
+ else
+ AC_MSG_WARN([no configuration information is in $ac_dir])
+ fi
+ cd "$ac_popdir"
+ done
+fi
+
+test -n "$ac_init_help" && exit 0
+m4_divert_pop([HELP_END])dnl
+])# _AC_INIT_HELP
+
+
+# _AC_INIT_VERSION
+# ----------------
+# Handle the `configure --version' message.
+m4_define([_AC_INIT_VERSION],
+[m4_divert_text([VERSION_BEGIN],
+[if $ac_init_version; then
+ cat <<\_ACEOF])dnl
+m4_ifset([AC_PACKAGE_STRING],
+ [m4_divert_text([VERSION_BEGIN],
+ [dnl
+m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])configure[]dnl
+m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
+generated by m4_PACKAGE_STRING])])
+m4_divert_text([VERSION_END],
+[_ACEOF
+ exit 0
+fi])dnl
+])# _AC_INIT_VERSION
+
+
+# _AC_INIT_CONFIG_LOG
+# -------------------
+# Initialize the config.log file descriptor and write header to it.
+m4_define([_AC_INIT_CONFIG_LOG],
+[m4_divert_text([INIT_PREPARE],
+[m4_define([AS_MESSAGE_LOG_FD], 5)dnl
+exec AS_MESSAGE_LOG_FD>config.log
+cat >&AS_MESSAGE_LOG_FD <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])dnl
+$as_me[]m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]), which was
+generated by m4_PACKAGE_STRING. Invocation command line was
+
+ $ $[0] $[@]
+
+_ACEOF
+AS_UNAME >&AS_MESSAGE_LOG_FD
+
+cat >&AS_MESSAGE_LOG_FD <<_ACEOF
+
+
+m4_text_box([Core tests.])
+
+_ACEOF
+])])# _AC_INIT_CONFIG_LOG
+
+
+# _AC_INIT_PREPARE
+# ----------------
+# Called by AC_INIT to build the preamble of the `configure' scripts.
+# 1. Trap and clean up various tmp files.
+# 2. Set up the fd and output files
+# 3. Remember the options given to `configure' for `config.status --recheck'.
+# 4. Ensure a correct environment
+# 5. Required macros (cache, default AC_SUBST etc.)
+m4_define([_AC_INIT_PREPARE],
+[m4_divert_push([INIT_PREPARE])dnl
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
+ac_sep=
+ac_must_keep_next=false
+for ac_pass in 1 2
+do
+ for ac_arg
+ do
+ case $ac_arg in
+ -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+ | -silent | --silent | --silen | --sile | --sil)
+ continue ;;
+dnl If you change this globbing pattern, test it on an old shell --
+dnl it's sensitive. Putting any kind of quote in it causes syntax errors.
+ [ *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)]
+ ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+ esac
+ case $ac_pass in
+ 1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+ 2)
+ ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+dnl If trying to remove duplicates, be sure to (i) keep the *last*
+dnl value (e.g. --prefix=1 --prefix=2 --prefix=1 might keep 2 only),
+dnl and (ii) not to strip long options (--prefix foo --prefix bar might
+dnl give --prefix foo bar).
+ if test $ac_must_keep_next = true; then
+ ac_must_keep_next=false # Got value, back to normal.
+ else
+ case $ac_arg in
+dnl Use broad patterns, as arguments that would have already made configure
+dnl exit don't matter.
+ *=* | --config-cache | -C | -disable-* | --disable-* \
+ | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+ | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+ | -with-* | --with-* | -without-* | --without-* | --x)
+ case "$ac_configure_args0 " in
+ "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+ esac
+ ;;
+ -* ) ac_must_keep_next=true ;;
+ esac
+ fi
+ ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
+ # Get rid of the leading space.
+ ac_sep=" "
+ ;;
+ esac
+ done
+done
+AS_UNSET(ac_configure_args0)
+AS_UNSET(ac_configure_args1)
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log. We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+# WARNING: Be sure not to use single quotes in there, as some shells,
+# such as our DU 5.0 friend, will then `close' the trap.
+trap 'exit_status=$?
+ # Save into config.log some information that might help in debugging.
+ {
+ echo
+
+ AS_BOX([Cache variables.])
+ echo
+ m4_bpatsubsts(m4_defn([_AC_CACHE_DUMP]),
+ [^ *\(#.*\)?
+], [],
+ ['], ['"'"'])
+ echo
+
+ AS_BOX([Output variables.])
+ echo
+ for ac_var in $ac_subst_vars
+ do
+ eval ac_val=$`echo $ac_var`
+ echo "$ac_var='"'"'$ac_val'"'"'"
+ done | sort
+ echo
+
+ if test -n "$ac_subst_files"; then
+ AS_BOX([Output files.])
+ echo
+ for ac_var in $ac_subst_files
+ do
+ eval ac_val=$`echo $ac_var`
+ echo "$ac_var='"'"'$ac_val'"'"'"
+ done | sort
+ echo
+ fi
+
+ if test -s confdefs.h; then
+ AS_BOX([confdefs.h.])
+ echo
+ sed "/^$/d" confdefs.h | sort
+ echo
+ fi
+ test "$ac_signal" != 0 &&
+ echo "$as_me: caught signal $ac_signal"
+ echo "$as_me: exit $exit_status"
+ } >&AS_MESSAGE_LOG_FD
+ rm -f core *.core &&
+ rm -rf conftest* confdefs* conf$[$]* $ac_clean_files &&
+ exit $exit_status
+ ' 0
+for ac_signal in 1 2 13 15; do
+ trap 'ac_signal='$ac_signal'; AS_EXIT([1])' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -rf conftest* confdefs.h
+# AIX cpp loses on an empty file, so make sure it contains at least a newline.
+echo >confdefs.h
+
+# Predefined preprocessor variables.
+AC_DEFINE_UNQUOTED([PACKAGE_NAME], ["$PACKAGE_NAME"],
+ [Define to the full name of this package.])
+AC_DEFINE_UNQUOTED([PACKAGE_TARNAME], ["$PACKAGE_TARNAME"],
+ [Define to the one symbol short name of this package.])
+AC_DEFINE_UNQUOTED([PACKAGE_VERSION], ["$PACKAGE_VERSION"],
+ [Define to the version of this package.])
+AC_DEFINE_UNQUOTED([PACKAGE_STRING], ["$PACKAGE_STRING"],
+ [Define to the full name and version of this package.])
+AC_DEFINE_UNQUOTED([PACKAGE_BUGREPORT], ["$PACKAGE_BUGREPORT"],
+ [Define to the address where bug reports for this package
+ should be sent.])
+
+# Let the site file select an alternate cache file if it wants to.
+AC_SITE_LOAD
+AC_CACHE_LOAD
+_AC_ARG_VAR_VALIDATE
+_AC_ARG_VAR_PRECIOUS([build_alias])dnl
+_AC_ARG_VAR_PRECIOUS([host_alias])dnl
+_AC_ARG_VAR_PRECIOUS([target_alias])dnl
+AC_LANG_PUSH(C)
+
+dnl Substitute for predefined variables.
+AC_SUBST([DEFS])dnl
+AC_SUBST([ECHO_C])dnl
+AC_SUBST([ECHO_N])dnl
+AC_SUBST([ECHO_T])dnl
+AC_SUBST([LIBS])dnl
+m4_divert_pop([INIT_PREPARE])dnl
+])# _AC_INIT_PREPARE
+
+
+# AU::AC_INIT([UNIQUE-FILE-IN-SOURCE-DIR])
+# ----------------------------------------
+# This macro is used only for Autoupdate.
+AU_DEFUN([AC_INIT],
+[m4_ifval([$2], [[AC_INIT($@)]],
+ [m4_ifval([$1],
+[[AC_INIT]
+AC_CONFIG_SRCDIR([$1])], [[AC_INIT]])])[]dnl
+])
+
+
+# AC_INIT([PACKAGE, VERSION, [BUG-REPORT])
+# ----------------------------------------
+# Include the user macro files, prepare the diversions, and output the
+# preamble of the `configure' script.
+# Note that the order is important: first initialize, then set the
+# AC_CONFIG_SRCDIR.
+m4_define([AC_INIT],
+[# Forbidden tokens and exceptions.
+m4_pattern_forbid([^_?A[CHUM]_])
+m4_pattern_forbid([_AC_])
+m4_pattern_forbid([^LIBOBJS$],
+ [do not use LIBOBJS directly, use AC_LIBOBJ (see section `AC_LIBOBJ vs LIBOBJS'])
+# Actually reserved by M4sh.
+m4_pattern_allow([^AS_FLAGS$])
+AS_INIT
+AS_PREPARE
+m4_ifval([$2], [_AC_INIT_PACKAGE($@)])
+_AC_INIT_DEFAULTS
+_AC_INIT_PARSE_ARGS
+_AC_INIT_SRCDIR
+_AC_INIT_HELP
+_AC_INIT_VERSION
+_AC_INIT_CONFIG_LOG
+_AC_INIT_PREPARE
+_AC_INIT_NOTICE
+_AC_INIT_COPYRIGHT
+m4_ifval([$2], , [m4_ifval([$1], [AC_CONFIG_SRCDIR([$1])])])dnl
+])
+
+
+
+
+## ----------------------------- ##
+## Selecting optional features. ##
+## ----------------------------- ##
+
+
+# AC_ARG_ENABLE(FEATURE, HELP-STRING, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
+# ------------------------------------------------------------------------
+AC_DEFUN([AC_ARG_ENABLE],
+[m4_divert_once([HELP_ENABLE], [[
+Optional Features:
+ --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
+ --enable-FEATURE[=ARG] include FEATURE [ARG=yes]]])dnl
+m4_divert_once([HELP_ENABLE], [$2])dnl
+# Check whether --enable-$1 or --disable-$1 was given.
+if test "[${enable_]m4_bpatsubst([$1], -, _)+set}" = set; then
+ enableval="[$enable_]m4_bpatsubst([$1], -, _)"
+ $3
+m4_ifvaln([$4], [else
+ $4])dnl
+fi; dnl
+])# AC_ARG_ENABLE
+
+
+AU_DEFUN([AC_ENABLE],
+[AC_ARG_ENABLE([$1], [ --enable-$1], [$2], [$3])])
+
+
+## ------------------------------ ##
+## Working with optional software ##
+## ------------------------------ ##
+
+
+
+# AC_ARG_WITH(PACKAGE, HELP-STRING, ACTION-IF-TRUE, [ACTION-IF-FALSE])
+# --------------------------------------------------------------------
+AC_DEFUN([AC_ARG_WITH],
+[m4_divert_once([HELP_WITH], [[
+Optional Packages:
+ --with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
+ --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)]])
+m4_divert_once([HELP_WITH], [$2])dnl
+# Check whether --with-$1 or --without-$1 was given.
+if test "[${with_]m4_bpatsubst([$1], -, _)+set}" = set; then
+ withval="[$with_]m4_bpatsubst([$1], -, _)"
+ $3
+m4_ifvaln([$4], [else
+ $4])dnl
+fi; dnl
+])# AC_ARG_WITH
+
+AU_DEFUN([AC_WITH],
+[AC_ARG_WITH([$1], [ --with-$1], [$2], [$3])])
+
+
+
+## ----------------------------------------- ##
+## Remembering variables for reconfiguring. ##
+## ----------------------------------------- ##
+
+
+# _AC_ARG_VAR_PRECIOUS(VARNAME)
+# -----------------------------
+# Declare VARNAME is precious.
+#
+# We try to diagnose when precious variables have changed. To do this,
+# make two early snapshots (after the option processing to take
+# explicit variables into account) of those variables: one (ac_env_)
+# which represents the current run, and a second (ac_cv_env_) which,
+# at the first run, will be saved in the cache. As an exception to
+# the cache mechanism, its loading will override these variables (non
+# `ac_cv_env_' cache value are only set when unset).
+#
+# In subsequent runs, after having loaded the cache, compare
+# ac_cv_env_foo against ac_env_foo. See _AC_ARG_VAR_VALIDATE.
+m4_define([_AC_ARG_VAR_PRECIOUS],
+[AC_SUBST([$1])dnl
+m4_divert_once([PARSE_ARGS],
+[ac_env_$1_set=${$1+set}
+ac_env_$1_value=$$1
+ac_cv_env_$1_set=${$1+set}
+ac_cv_env_$1_value=$$1])dnl
+])
+
+
+# _AC_ARG_VAR_VALIDATE
+# --------------------
+# The precious variables are saved twice at the beginning of
+# configure. E.g., PRECIOUS is saved as `ac_env_PRECIOUS_SET' and
+# `ac_env_PRECIOUS_VALUE' on the one hand and `ac_cv_env_PRECIOUS_SET'
+# and `ac_cv_env_PRECIOUS_VALUE' on the other hand.
+#
+# Now the cache has just been loaded, so `ac_cv_env_' represents the
+# content of the cached values, while `ac_env_' represents that of the
+# current values.
+#
+# So we check that `ac_env_' and `ac_cv_env_' are consistent. If
+# they aren't, die.
+m4_define([_AC_ARG_VAR_VALIDATE],
+[# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in `(set) 2>&1 |
+ sed -n 's/^ac_env_\([[a-zA-Z_0-9]]*\)_set=.*/\1/p'`; do
+ eval ac_old_set=\$ac_cv_env_${ac_var}_set
+ eval ac_new_set=\$ac_env_${ac_var}_set
+ eval ac_old_val="\$ac_cv_env_${ac_var}_value"
+ eval ac_new_val="\$ac_env_${ac_var}_value"
+ case $ac_old_set,$ac_new_set in
+ set,)
+ AS_MESSAGE([error: `$ac_var' was set to `$ac_old_val' in the previous run], 2)
+ ac_cache_corrupted=: ;;
+ ,set)
+ AS_MESSAGE([error: `$ac_var' was not set in the previous run], 2)
+ ac_cache_corrupted=: ;;
+ ,);;
+ *)
+ if test "x$ac_old_val" != "x$ac_new_val"; then
+ AS_MESSAGE([error: `$ac_var' has changed since the previous run:], 2)
+ AS_MESSAGE([ former value: $ac_old_val], 2)
+ AS_MESSAGE([ current value: $ac_new_val], 2)
+ ac_cache_corrupted=:
+ fi;;
+ esac
+ # Pass precious variables to config.status.
+ if test "$ac_new_set" = set; then
+ case $ac_new_val in
+dnl If you change this globbing pattern, test it on an old shell --
+dnl it's sensitive. Putting any kind of quote in it causes syntax errors.
+[ *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)]
+ ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+ *) ac_arg=$ac_var=$ac_new_val ;;
+ esac
+ case " $ac_configure_args " in
+ *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy.
+ *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+ esac
+ fi
+done
+if $ac_cache_corrupted; then
+ AS_MESSAGE([error: changes in the environment can compromise the build], 2)
+ AS_ERROR([run `make distclean' and/or `rm $cache_file' and start over])
+fi
+])# _AC_ARG_VAR_VALIDATE
+
+
+# AC_ARG_VAR(VARNAME, DOCUMENTATION)
+# ----------------------------------
+# Register VARNAME as a precious variable, and document it in
+# `configure --help' (but only once).
+AC_DEFUN([AC_ARG_VAR],
+[m4_divert_once([HELP_VAR], [[
+Some influential environment variables:]])dnl
+m4_divert_once([HELP_VAR_END], [[
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.]])dnl
+m4_expand_once([m4_divert_once([HELP_VAR],
+ [AS_HELP_STRING([$1], [$2], [ ])])],
+ [$0($1)])dnl
+_AC_ARG_VAR_PRECIOUS([$1])dnl
+])# AC_ARG_VAR
+
+
+
+
+
+## ---------------------------- ##
+## Transforming program names. ##
+## ---------------------------- ##
+
+
+# AC_ARG_PROGRAM
+# --------------
+# This macro is expanded only once, to avoid that `foo' ends up being
+# installed as `ggfoo'.
+AC_DEFUN_ONCE([AC_ARG_PROGRAM],
+[dnl Document the options.
+m4_divert_push([HELP_BEGIN])dnl
+
+Program names:
+ --program-prefix=PREFIX prepend PREFIX to installed program names
+ --program-suffix=SUFFIX append SUFFIX to installed program names
+ --program-transform-name=PROGRAM run sed PROGRAM on installed program names
+m4_divert_pop([HELP_BEGIN])dnl
+test "$program_prefix" != NONE &&
+ program_transform_name="s,^,$program_prefix,;$program_transform_name"
+# Use a double $ so make ignores it.
+test "$program_suffix" != NONE &&
+ program_transform_name="s,\$,$program_suffix,;$program_transform_name"
+# Double any \ or $. echo might interpret backslashes.
+# By default was `s,x,x', remove it if useless.
+cat <<\_ACEOF >conftest.sed
+[s/[\\$]/&&/g;s/;s,x,x,$//]
+_ACEOF
+program_transform_name=`echo $program_transform_name | sed -f conftest.sed`
+rm conftest.sed
+])# AC_ARG_PROGRAM
+
+
+
+
+
+## ------------------------- ##
+## Finding auxiliary files. ##
+## ------------------------- ##
+
+
+# AC_CONFIG_AUX_DIR(DIR)
+# ----------------------
+# Find install-sh, config.sub, config.guess, and Cygnus configure
+# in directory DIR. These are auxiliary files used in configuration.
+# DIR can be either absolute or relative to $srcdir.
+AC_DEFUN([AC_CONFIG_AUX_DIR],
+[AC_CONFIG_AUX_DIRS($1 $srcdir/$1)])
+
+
+# AC_CONFIG_AUX_DIR_DEFAULT
+# -------------------------
+# The default is `$srcdir' or `$srcdir/..' or `$srcdir/../..'.
+# There's no need to call this macro explicitly; just AC_REQUIRE it.
+AC_DEFUN([AC_CONFIG_AUX_DIR_DEFAULT],
+[AC_CONFIG_AUX_DIRS($srcdir $srcdir/.. $srcdir/../..)])
+
+
+# AC_CONFIG_AUX_DIRS(DIR ...)
+# ---------------------------
+# Internal subroutine.
+# Search for the configuration auxiliary files in directory list $1.
+# We look only for install-sh, so users of AC_PROG_INSTALL
+# do not automatically need to distribute the other auxiliary files.
+AC_DEFUN([AC_CONFIG_AUX_DIRS],
+[ac_aux_dir=
+for ac_dir in $1; do
+ if test -f $ac_dir/install-sh; then
+ ac_aux_dir=$ac_dir
+ ac_install_sh="$ac_aux_dir/install-sh -c"
+ break
+ elif test -f $ac_dir/install.sh; then
+ ac_aux_dir=$ac_dir
+ ac_install_sh="$ac_aux_dir/install.sh -c"
+ break
+ elif test -f $ac_dir/shtool; then
+ ac_aux_dir=$ac_dir
+ ac_install_sh="$ac_aux_dir/shtool install -c"
+ break
+ fi
+done
+if test -z "$ac_aux_dir"; then
+ AC_MSG_ERROR([cannot find install-sh or install.sh in $1])
+fi
+ac_config_guess="$SHELL $ac_aux_dir/config.guess"
+ac_config_sub="$SHELL $ac_aux_dir/config.sub"
+ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
+AC_PROVIDE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
+])# AC_CONFIG_AUX_DIRS
+
+
+
+
+## ------------------------ ##
+## Finding aclocal macros. ##
+## ------------------------ ##
+
+
+# AC_CONFIG_MACRO_DIR(DIR)
+# ------------------------
+# Declare directory containing additional macros for aclocal.
+# DIR can be either absolute or relative to $srcdir.
+AC_DEFUN([AC_CONFIG_MACRO_DIR],
+[case $1 in
+ [[\\/]]* | ?:[[\\/]]* ) ac_macro_dir=$1 ;;
+ *) ac_macro_dir=$srcdir/$1 ;;
+esac
+if test -d "$ac_macro_dir"; then :
+else
+ AC_MSG_ERROR([cannot find macro directory `$1'])
+fi
+])# AC_CONFIG_MACRO_DIR
+
+
+
+
+## ----------------------------------- ##
+## Getting the canonical system type. ##
+## ----------------------------------- ##
+
+# The inputs are:
+# configure --host=HOST --target=TARGET --build=BUILD
+#
+# The rules are:
+# 1. Build defaults to the current platform, as determined by config.guess.
+# 2. Host defaults to build.
+# 3. Target defaults to host.
+
+
+# _AC_CANONICAL_SPLIT(THING)
+# --------------------------
+# Generate the variables THING, THING_{alias cpu vendor os}.
+m4_define([_AC_CANONICAL_SPLIT],
+[AC_SUBST([$1], [$ac_cv_$1])dnl
+dnl FIXME: AC_SUBST([$1_alias], [$ac_cv_$1_alias])dnl
+AC_SUBST([$1_cpu],
+ [`echo $ac_cv_$1 | sed 's/^\([[^-]]*\)-\([[^-]]*\)-\(.*\)$/\1/'`])dnl
+AC_SUBST([$1_vendor],
+ [`echo $ac_cv_$1 | sed 's/^\([[^-]]*\)-\([[^-]]*\)-\(.*\)$/\2/'`])dnl
+AC_SUBST([$1_os],
+ [`echo $ac_cv_$1 | sed 's/^\([[^-]]*\)-\([[^-]]*\)-\(.*\)$/\3/'`])dnl
+])# _AC_CANONICAL_SPLIT
+
+
+# AC_CANONICAL_BUILD
+# ------------------
+AC_DEFUN_ONCE([AC_CANONICAL_BUILD],
+[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
+m4_divert_text([HELP_CANON],
+[[
+System types:
+ --build=BUILD configure for building on BUILD [guessed]]])dnl
+# Make sure we can run config.sub.
+$ac_config_sub sun4 >/dev/null 2>&1 ||
+ AC_MSG_ERROR([cannot run $ac_config_sub])
+
+AC_CACHE_CHECK([build system type], [ac_cv_build],
+[ac_cv_build_alias=$build_alias
+test -z "$ac_cv_build_alias" &&
+ ac_cv_build_alias=`$ac_config_guess`
+test -z "$ac_cv_build_alias" &&
+ AC_MSG_ERROR([cannot guess build type; you must specify one])
+ac_cv_build=`$ac_config_sub $ac_cv_build_alias` ||
+ AC_MSG_ERROR([$ac_config_sub $ac_cv_build_alias failed])
+])
+_AC_CANONICAL_SPLIT(build)
+])# AC_CANONICAL_BUILD
+
+
+# AC_CANONICAL_HOST
+# -----------------
+AC_DEFUN_ONCE([AC_CANONICAL_HOST],
+[AC_REQUIRE([AC_CANONICAL_BUILD])dnl
+m4_divert_text([HELP_CANON],
+[[ --host=HOST cross-compile to build programs to run on HOST [BUILD]]])dnl
+AC_CACHE_CHECK([host system type], [ac_cv_host],
+[ac_cv_host_alias=$host_alias
+test -z "$ac_cv_host_alias" &&
+ ac_cv_host_alias=$ac_cv_build_alias
+ac_cv_host=`$ac_config_sub $ac_cv_host_alias` ||
+ AC_MSG_ERROR([$ac_config_sub $ac_cv_host_alias failed])
+])
+_AC_CANONICAL_SPLIT([host])
+])# AC_CANONICAL_HOST
+
+
+# AC_CANONICAL_TARGET
+# -------------------
+AC_DEFUN_ONCE([AC_CANONICAL_TARGET],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+AC_BEFORE([$0], [AC_ARG_PROGRAM])dnl
+m4_divert_text([HELP_CANON],
+[[ --target=TARGET configure for building compilers for TARGET [HOST]]])dnl
+AC_CACHE_CHECK([target system type], [ac_cv_target],
+[dnl Set target_alias.
+ac_cv_target_alias=$target_alias
+test "x$ac_cv_target_alias" = "x" &&
+ ac_cv_target_alias=$ac_cv_host_alias
+ac_cv_target=`$ac_config_sub $ac_cv_target_alias` ||
+ AC_MSG_ERROR([$ac_config_sub $ac_cv_target_alias failed])
+])
+_AC_CANONICAL_SPLIT([target])
+
+# The aliases save the names the user supplied, while $host etc.
+# will get canonicalized.
+test -n "$target_alias" &&
+ test "$program_prefix$program_suffix$program_transform_name" = \
+ NONENONEs,x,x, &&
+ program_prefix=${target_alias}-[]dnl
+])# AC_CANONICAL_TARGET
+
+
+AU_ALIAS([AC_CANONICAL_SYSTEM], [AC_CANONICAL_TARGET])
+
+
+# AU::AC_VALIDATE_CACHED_SYSTEM_TUPLE([CMD])
+# ------------------------------------------
+# If the cache file is inconsistent with the current host,
+# target and build system types, execute CMD or print a default
+# error message. Now handled via _AC_ARG_VAR_PRECIOUS.
+AU_DEFUN([AC_VALIDATE_CACHED_SYSTEM_TUPLE], [])
+
+
+## ---------------------- ##
+## Caching test results. ##
+## ---------------------- ##
+
+
+# AC_SITE_LOAD
+# ------------
+# Look for site or system specific initialization scripts.
+m4_define([AC_SITE_LOAD],
+[# Prefer explicitly selected file to automatically selected ones.
+if test -z "$CONFIG_SITE"; then
+ if test "x$prefix" != xNONE; then
+ CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
+ else
+ CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+ fi
+fi
+for ac_site_file in $CONFIG_SITE; do
+ if test -r "$ac_site_file"; then
+ AC_MSG_NOTICE([loading site script $ac_site_file])
+ sed 's/^/| /' "$ac_site_file" >&AS_MESSAGE_LOG_FD
+ . "$ac_site_file"
+ fi
+done
+])
+
+
+# AC_CACHE_LOAD
+# -------------
+m4_define([AC_CACHE_LOAD],
+[if test -r "$cache_file"; then
+ # Some versions of bash will fail to source /dev/null (special
+ # files actually), so we avoid doing that.
+ if test -f "$cache_file"; then
+ AC_MSG_NOTICE([loading cache $cache_file])
+ case $cache_file in
+ [[\\/]]* | ?:[[\\/]]* ) . $cache_file;;
+ *) . ./$cache_file;;
+ esac
+ fi
+else
+ AC_MSG_NOTICE([creating cache $cache_file])
+ >$cache_file
+fi
+])# AC_CACHE_LOAD
+
+
+# _AC_CACHE_DUMP
+# --------------
+# Dump the cache to stdout. It can be in a pipe (this is a requirement).
+m4_define([_AC_CACHE_DUMP],
+[# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, don't put newlines in cache variables' values.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+{
+ (set) 2>&1 |
+ case `(ac_space=' '; set | grep ac_space) 2>&1` in
+ *ac_space=\ *)
+ # `set' does not quote correctly, so add quotes (double-quote
+ # substitution turns \\\\ into \\, and sed turns \\ into \).
+ sed -n \
+ ["s/'/'\\\\''/g;
+ s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"]
+ ;;
+ *)
+ # `set' quotes correctly as required by POSIX, so do not add quotes.
+ sed -n \
+ ["s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"]
+ ;;
+ esac;
+}dnl
+])# _AC_CACHE_DUMP
+
+
+# AC_CACHE_SAVE
+# -------------
+# Save the cache.
+# Allow a site initialization script to override cache values.
+m4_define([AC_CACHE_SAVE],
+[cat >confcache <<\_ACEOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs, see configure's option --config-cache.
+# It is not useful on other systems. If it contains results you don't
+# want to keep, you may remove or edit it.
+#
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
+#
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
+_AC_CACHE_DUMP() |
+ sed ['
+ t clear
+ : clear
+ s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+ t end
+ /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+ : end'] >>confcache
+if diff $cache_file confcache >/dev/null 2>&1; then :; else
+ if test -w $cache_file; then
+ test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file"
+ cat confcache >$cache_file
+ else
+ echo "not updating unwritable cache $cache_file"
+ fi
+fi
+rm -f confcache[]dnl
+])# AC_CACHE_SAVE
+
+
+# AC_CACHE_VAL(CACHE-ID, COMMANDS-TO-SET-IT)
+# ------------------------------------------
+# The name of shell var CACHE-ID must contain `_cv_' in order to get saved.
+# Should be dnl'ed. Try to catch common mistakes.
+m4_defun([AC_CACHE_VAL],
+[m4_bmatch([$2], [AC_DEFINE],
+ [AC_DIAGNOSE(syntax,
+[$0($1, ...): suspicious presence of an AC_DEFINE in the second argument, ]dnl
+[where no actions should be taken])])dnl
+AS_VAR_SET_IF([$1],
+ [_AS_ECHO_N([(cached) ])],
+ [$2])])
+
+
+# AC_CACHE_CHECK(MESSAGE, CACHE-ID, COMMANDS)
+# -------------------------------------------
+# Do not call this macro with a dnl right behind.
+m4_defun([AC_CACHE_CHECK],
+[AC_MSG_CHECKING([$1])
+AC_CACHE_VAL([$2], [$3])dnl
+AC_MSG_RESULT_UNQUOTED([AS_VAR_GET([$2])])])
+
+
+
+## ---------------------- ##
+## Defining CPP symbols. ##
+## ---------------------- ##
+
+
+# AC_DEFINE_TRACE_LITERAL(LITERAL-CPP-SYMBOL)
+# -------------------------------------------
+# This macro is useless, it is used only with --trace to collect the
+# list of *literals* CPP values passed to AC_DEFINE/AC_DEFINE_UNQUOTED.
+m4_define([AC_DEFINE_TRACE_LITERAL])
+
+
+# AC_DEFINE_TRACE(CPP-SYMBOL)
+# ---------------------------
+# This macro is a wrapper around AC_DEFINE_TRACE_LITERAL which filters
+# out non literal symbols.
+m4_define([AC_DEFINE_TRACE],
+[AS_LITERAL_IF([$1], [AC_DEFINE_TRACE_LITERAL([$1])])])
+
+
+# AC_DEFINE(VARIABLE, [VALUE], [DESCRIPTION])
+# -------------------------------------------
+# Set VARIABLE to VALUE, verbatim, or 1. Remember the value
+# and if VARIABLE is affected the same VALUE, do nothing, else
+# die. The third argument is used by autoheader.
+m4_define([AC_DEFINE],
+[AC_DEFINE_TRACE([$1])dnl
+m4_ifval([$3], [AH_TEMPLATE([$1], [$3])])dnl
+cat >>confdefs.h <<\_ACEOF
+[@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
+_ACEOF
+])
+
+
+# AC_DEFINE_UNQUOTED(VARIABLE, [VALUE], [DESCRIPTION])
+# ----------------------------------------------------
+# Similar, but perform shell substitutions $ ` \ once on VALUE.
+m4_define([AC_DEFINE_UNQUOTED],
+[AC_DEFINE_TRACE([$1])dnl
+m4_ifval([$3], [AH_TEMPLATE([$1], [$3])])dnl
+cat >>confdefs.h <<_ACEOF
+[@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
+_ACEOF
+])
+
+
+
+## -------------------------- ##
+## Setting output variables. ##
+## -------------------------- ##
+
+
+# AC_SUBST(VARIABLE, [VALUE])
+# ---------------------------
+# Create an output variable from a shell VARIABLE. If VALUE is given
+# assign it to VARIABLE. Use `""' is you want to set VARIABLE to an
+# empty value, not an empty second argument.
+#
+# Beware that if you change this macro, you also have to change the
+# sed script at the top of _AC_OUTPUT_FILES.
+m4_define([AC_SUBST],
+[m4_ifvaln([$2], [$1=$2])[]dnl
+m4_append_uniq([_AC_SUBST_VARS], [$1], [ ])dnl
+])# AC_SUBST
+
+
+# AC_SUBST_FILE(VARIABLE)
+# -----------------------
+# Read the comments of the preceding macro.
+m4_define([AC_SUBST_FILE],
+[m4_append_uniq([_AC_SUBST_FILES], [$1], [ ])])
+
+
+
+## --------------------------------------- ##
+## Printing messages at autoconf runtime. ##
+## --------------------------------------- ##
+
+# In fact, I think we should promote the use of m4_warn and m4_fatal
+# directly. This will also avoid to some people to get it wrong
+# between AC_FATAL and AC_MSG_ERROR.
+
+
+# AC_DIAGNOSE(CATEGORY, MESSAGE)
+# AC_FATAL(MESSAGE, [EXIT-STATUS])
+# --------------------------------
+m4_define([AC_DIAGNOSE], [m4_warn($@)])
+m4_define([AC_FATAL], [m4_fatal($@)])
+
+
+# AC_WARNING(MESSAGE)
+# -------------------
+# Report a MESSAGE to the user of autoconf if `-W' or `-W all' was
+# specified.
+m4_define([AC_WARNING],
+[AC_DIAGNOSE([syntax], [$1])])
+
+
+
+
+## ---------------------------------------- ##
+## Printing messages at configure runtime. ##
+## ---------------------------------------- ##
+
+
+# AC_MSG_CHECKING(FEATURE)
+# ------------------------
+m4_define([AC_MSG_CHECKING],
+[_AS_ECHO([$as_me:$LINENO: checking $1], AS_MESSAGE_LOG_FD)
+_AS_ECHO_N([checking $1... ])[]dnl
+])
+
+
+# AC_MSG_RESULT(RESULT)
+# ---------------------
+m4_define([AC_MSG_RESULT],
+[_AS_ECHO([$as_me:$LINENO: result: $1], AS_MESSAGE_LOG_FD)
+_AS_ECHO([${ECHO_T}$1])[]dnl
+])
+
+
+# AC_MSG_RESULT_UNQUOTED(RESULT)
+# ------------------------------
+# Likewise, but perform $ ` \ shell substitutions.
+m4_define([AC_MSG_RESULT_UNQUOTED],
+[_AS_ECHO_UNQUOTED([$as_me:$LINENO: result: $1], AS_MESSAGE_LOG_FD)
+_AS_ECHO_UNQUOTED([${ECHO_T}$1])[]dnl
+])
+
+
+# AC_MSG_WARN(PROBLEM)
+# AC_MSG_NOTICE(STRING)
+# AC_MSG_ERROR(ERROR, [EXIT-STATUS = 1])
+# AC_MSG_FAILURE(ERROR, [EXIT-STATUS = 1])
+# ----------------------------------------
+m4_copy([AS_WARN], [AC_MSG_WARN])
+m4_copy([AS_MESSAGE], [AC_MSG_NOTICE])
+m4_copy([AS_ERROR], [AC_MSG_ERROR])
+m4_define([AC_MSG_FAILURE],
+[AC_MSG_ERROR([$1
+See `config.log' for more details.], [$2])])
+
+
+# _AC_MSG_LOG_CONFTEST
+# --------------------
+m4_define([_AC_MSG_LOG_CONFTEST],
+[echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
+sed 's/^/| /' conftest.$ac_ext >&AS_MESSAGE_LOG_FD
+])
+
+
+# AU::AC_CHECKING(FEATURE)
+# ------------------------
+AU_DEFUN([AC_CHECKING],
+[AS_MESSAGE([checking $1...])])
+
+
+# AU::AC_VERBOSE(STRING)
+# ----------------------
+AU_ALIAS([AC_VERBOSE], [AC_MSG_RESULT])
+
+
+
+
+
+
+## ---------------------------- ##
+## Compiler-running mechanics. ##
+## ---------------------------- ##
+
+
+# _AC_RUN_LOG(COMMAND, LOG-COMMANDS)
+# ----------------------------------
+# Eval COMMAND, save the exit status in ac_status, and log it.
+AC_DEFUN([_AC_RUN_LOG],
+[{ ($2) >&AS_MESSAGE_LOG_FD
+ ($1) 2>&AS_MESSAGE_LOG_FD
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+ (exit $ac_status); }])
+
+
+# _AC_RUN_LOG_STDERR(COMMAND, LOG-COMMANDS)
+# -----------------------------------------
+# Run COMMAND, save its stderr into conftest.err, save the exit status
+# in ac_status, and log it. Don't forget to clean up conftest.err after
+# use.
+# Note that when tracing, most shells will leave the traces in stderr
+# starting with "+": that's what this macro tries to address.
+AC_DEFUN([_AC_RUN_LOG_STDERR],
+[{ ($2) >&AS_MESSAGE_LOG_FD
+ ($1) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&AS_MESSAGE_LOG_FD
+ echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+ (exit $ac_status); }])
+
+
+# _AC_EVAL(COMMAND)
+# -----------------
+# Eval COMMAND, save the exit status in ac_status, and log it.
+AC_DEFUN([_AC_EVAL],
+[_AC_RUN_LOG([eval $1],
+ [eval echo "$as_me:$LINENO: \"$1\""])])
+
+
+# _AC_EVAL_STDERR(COMMAND)
+# ------------------------
+# Same as _AC_RUN_LOG_STDERR, but evals (instead of the running) the
+# COMMAND.
+AC_DEFUN([_AC_EVAL_STDERR],
+[_AC_RUN_LOG_STDERR([eval $1],
+ [eval echo "$as_me:$LINENO: \"$1\""])])
+
+
+# AC_TRY_EVAL(VARIABLE)
+# ---------------------
+# The purpose of this macro is to "configure:123: command line"
+# written into config.log for every test run.
+AC_DEFUN([AC_TRY_EVAL],
+[_AC_EVAL([$$1])])
+
+
+# AC_TRY_COMMAND(COMMAND)
+# -----------------------
+AC_DEFUN([AC_TRY_COMMAND],
+[{ ac_try='$1'
+ _AC_EVAL([$ac_try]); }])
+
+
+# AC_RUN_LOG(COMMAND)
+# -------------------
+AC_DEFUN([AC_RUN_LOG],
+[_AC_RUN_LOG([$1],
+ [echo "$as_me:$LINENO: AS_ESCAPE([$1])"])])
+
+
+
+
+## ------------------------ ##
+## Examining declarations. ##
+## ------------------------ ##
+
+
+
+# _AC_PREPROC_IFELSE(PROGRAM, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
+# ----------------------------------------------------------------
+# Try to preprocess PROGRAM.
+#
+# This macro can be used during the selection of a preprocessor.
+# Run cpp and set ac_cpp_err to "yes" for an error, to
+# "$ac_(c,cxx)_preproc_warn_flag" if there are warnings or to "" if
+# neither warnings nor errors have been detected. eval is necessary
+# to expand ac_cpp.
+AC_DEFUN([_AC_PREPROC_IFELSE],
+[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
+if _AC_EVAL_STDERR([$ac_cpp conftest.$ac_ext]) >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_[]_AC_LANG_ABBREV[]_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_[]_AC_LANG_ABBREV[]_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ m4_default([$2], :)
+else
+ _AC_MSG_LOG_CONFTEST
+ $3
+fi
+rm -f conftest.err m4_ifval([$1], [conftest.$ac_ext])[]dnl
+])# _AC_PREPROC_IFELSE
+
+
+# AC_PREPROC_IFELSE(PROGRAM, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
+# ---------------------------------------------------------------
+# Try to preprocess PROGRAM. Requires that the preprocessor for the
+# current language was checked for, hence do not use this macro in macros
+# looking for a preprocessor.
+AC_DEFUN([AC_PREPROC_IFELSE],
+[AC_LANG_PREPROC_REQUIRE()dnl
+_AC_PREPROC_IFELSE($@)])
+
+
+# AC_TRY_CPP(INCLUDES, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
+# ---------------------------------------------------------
+# AC_TRY_CPP is used to check whether particular header files exist.
+# (But it actually tests whether INCLUDES produces no CPP errors.)
+#
+# INCLUDES are not defaulted and are double quoted.
+AU_DEFUN([AC_TRY_CPP],
+[AC_PREPROC_IFELSE([AC_LANG_SOURCE([[$1]])], [$2], [$3])])
+
+
+# AC_EGREP_CPP(PATTERN, PROGRAM,
+# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# ------------------------------------------------------
+# Because this macro is used by AC_PROG_GCC_TRADITIONAL, which must
+# come early, it is not included in AC_BEFORE checks.
+AC_DEFUN([AC_EGREP_CPP],
+[AC_LANG_PREPROC_REQUIRE()dnl
+AC_REQUIRE([AC_PROG_EGREP])dnl
+AC_LANG_CONFTEST([AC_LANG_SOURCE([[$2]])])
+dnl eval is necessary to expand ac_cpp.
+dnl Ultrix and Pyramid sh refuse to redirect output of eval, so use subshell.
+if (eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD |
+dnl Quote $1 to prevent m4 from eating character classes
+ $EGREP "[$1]" >/dev/null 2>&1; then
+ m4_default([$3], :)
+m4_ifvaln([$4], [else
+ $4])dnl
+fi
+rm -f conftest*
+])# AC_EGREP_CPP
+
+
+# AC_EGREP_HEADER(PATTERN, HEADER-FILE,
+# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# ---------------------------------------------------------
+AC_DEFUN([AC_EGREP_HEADER],
+[AC_EGREP_CPP([$1],
+[#include <$2>
+], [$3], [$4])])
+
+
+
+
+## ------------------ ##
+## Examining syntax. ##
+## ------------------ ##
+
+
+# _AC_COMPILE_IFELSE(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# ---------------------------------------------------------------------
+# Try to compile PROGRAM.
+# This macro can be used during the selection of a compiler.
+m4_define([_AC_COMPILE_IFELSE],
+[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
+rm -f conftest.$ac_objext
+AS_IF([_AC_EVAL_STDERR($ac_compile) &&
+ AC_TRY_COMMAND([test -z "$ac_[]_AC_LANG_ABBREV[]_werror_flag" || test ! -s conftest.err]) &&
+ AC_TRY_COMMAND([test -s conftest.$ac_objext])],
+ [$2],
+ [_AC_MSG_LOG_CONFTEST
+m4_ifvaln([$3],[$3])dnl])dnl
+rm -f conftest.err conftest.$ac_objext m4_ifval([$1], [conftest.$ac_ext])[]dnl
+])# _AC_COMPILE_IFELSE
+
+
+# AC_COMPILE_IFELSE(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# --------------------------------------------------------------------
+# Try to compile PROGRAM. Requires that the compiler for the current
+# language was checked for, hence do not use this macro in macros looking
+# for a compiler.
+AC_DEFUN([AC_COMPILE_IFELSE],
+[AC_LANG_COMPILER_REQUIRE()dnl
+_AC_COMPILE_IFELSE($@)])
+
+
+# AC_TRY_COMPILE(INCLUDES, FUNCTION-BODY,
+# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# --------------------------------------------------------
+AU_DEFUN([AC_TRY_COMPILE],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4])])
+
+
+
+## --------------------- ##
+## Examining libraries. ##
+## --------------------- ##
+
+
+# _AC_LINK_IFELSE(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# ------------------------------------------------------------------
+# Try to link PROGRAM.
+# This macro can be used during the selection of a compiler.
+m4_define([_AC_LINK_IFELSE],
+[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
+rm -f conftest.$ac_objext conftest$ac_exeext
+AS_IF([_AC_EVAL_STDERR($ac_link) &&
+ AC_TRY_COMMAND([test -z "$ac_[]_AC_LANG_ABBREV[]_werror_flag" || test ! -s conftest.err]) &&
+ AC_TRY_COMMAND([test -s conftest$ac_exeext])],
+ [$2],
+ [_AC_MSG_LOG_CONFTEST
+m4_ifvaln([$3], [$3])dnl])[]dnl
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext m4_ifval([$1], [conftest.$ac_ext])[]dnl
+])# _AC_LINK_IFELSE
+
+
+# AC_LINK_IFELSE(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# -----------------------------------------------------------------
+# Try to link PROGRAM. Requires that the compiler for the current
+# language was checked for, hence do not use this macro in macros looking
+# for a compiler.
+AC_DEFUN([AC_LINK_IFELSE],
+[AC_LANG_COMPILER_REQUIRE()dnl
+_AC_LINK_IFELSE($@)])
+
+
+# AC_TRY_LINK(INCLUDES, FUNCTION-BODY,
+# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# -----------------------------------------------------
+# Contrarily to AC_LINK_IFELSE, this macro double quote its first two args.
+AU_DEFUN([AC_TRY_LINK],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4])])
+
+
+# AC_COMPILE_CHECK(ECHO-TEXT, INCLUDES, FUNCTION-BODY,
+# ACTION-IF-FOUND, [ACTION-IF-NOT-FOUND])
+# --------------------------------------------------------
+AU_DEFUN([AC_COMPILE_CHECK],
+[m4_ifvaln([$1], [AC_CHECKING([for $1])])dnl
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[$2]], [[$3]])], [$4], [$5])
+])
+
+
+
+
+## -------------------------------- ##
+## Checking for run-time features. ##
+## -------------------------------- ##
+
+
+# _AC_RUN_IFELSE(PROGRAM, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
+# ------------------------------------------------------------
+# Compile, link, and run.
+# This macro can be used during the selection of a compiler.
+# We also remove conftest.o as if the compilation fails, some compilers
+# don't remove it. We remove gmon.out and bb.out, which may be
+# created during the run if the program is built with profiling support.
+m4_define([_AC_RUN_IFELSE],
+[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
+rm -f conftest$ac_exeext
+AS_IF([AC_TRY_EVAL(ac_link) && AC_TRY_COMMAND(./conftest$ac_exeext)],
+ [$2],
+ [echo "$as_me: program exited with status $ac_status" >&AS_MESSAGE_LOG_FD
+_AC_MSG_LOG_CONFTEST
+m4_ifvaln([$3],
+ [( exit $ac_status )
+$3])dnl])[]dnl
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext m4_ifval([$1],
+ [conftest.$ac_ext])[]dnl
+])# _AC_RUN_IFELSE
+
+
+# AC_RUN_IFELSE(PROGRAM,
+# [ACTION-IF-TRUE], [ACTION-IF-FALSE],
+# [ACTION-IF-CROSS-COMPILING = RUNTIME-ERROR])
+# ----------------------------------------------------------
+# Compile, link, and run. Requires that the compiler for the current
+# language was checked for, hence do not use this macro in macros looking
+# for a compiler.
+AC_DEFUN([AC_RUN_IFELSE],
+[AC_LANG_COMPILER_REQUIRE()dnl
+m4_ifval([$4], [],
+ [AC_DIAGNOSE([cross],
+ [$0 called without default to allow cross compiling])])dnl
+if test "$cross_compiling" = yes; then
+ m4_default([$4],
+ [AC_MSG_ERROR([internal error: not reached in cross-compile])])
+else
+ _AC_RUN_IFELSE($@)
+fi])
+
+
+# AC_TRY_RUN(PROGRAM,
+# [ACTION-IF-TRUE], [ACTION-IF-FALSE],
+# [ACTION-IF-CROSS-COMPILING = RUNTIME-ERROR])
+# --------------------------------------------------------
+AU_DEFUN([AC_TRY_RUN],
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[$1]])], [$2], [$3], [$4])])
+
+
+
+## ------------------------------------- ##
+## Checking for the existence of files. ##
+## ------------------------------------- ##
+
+# AC_CHECK_FILE(FILE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# -------------------------------------------------------------
+#
+# Check for the existence of FILE.
+AC_DEFUN([AC_CHECK_FILE],
+[AC_DIAGNOSE([cross],
+ [cannot check for file existence when cross compiling])dnl
+AS_VAR_PUSHDEF([ac_File], [ac_cv_file_$1])dnl
+AC_CACHE_CHECK([for $1], ac_File,
+[test "$cross_compiling" = yes &&
+ AC_MSG_ERROR([cannot check for file existence when cross compiling])
+if test -r "$1"; then
+ AS_VAR_SET(ac_File, yes)
+else
+ AS_VAR_SET(ac_File, no)
+fi])
+AS_IF([test AS_VAR_GET(ac_File) = yes], [$2], [$3])[]dnl
+AS_VAR_POPDEF([ac_File])dnl
+])# AC_CHECK_FILE
+
+
+# AC_CHECK_FILES(FILE..., [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# -----------------------------------------------------------------
+AC_DEFUN([AC_CHECK_FILES],
+[AC_FOREACH([AC_FILE_NAME], [$1],
+ [AC_CHECK_FILE(AC_FILE_NAME,
+ [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_[]AC_FILE_NAME), 1,
+ [Define to 1 if you have the
+ file `]AC_File['.])
+$2],
+ [$3])])])
+
+
+## ------------------------------- ##
+## Checking for declared symbols. ##
+## ------------------------------- ##
+
+
+# AC_CHECK_DECL(SYMBOL,
+# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
+# [INCLUDES = DEFAULT-INCLUDES])
+# -------------------------------------------------------
+# Check if SYMBOL (a variable or a function) is declared.
+AC_DEFUN([AC_CHECK_DECL],
+[AS_VAR_PUSHDEF([ac_Symbol], [ac_cv_have_decl_$1])dnl
+AC_CACHE_CHECK([whether $1 is declared], ac_Symbol,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT([$4])],
+[#ifndef $1
+ char *p = (char *) $1;
+#endif
+])],
+ [AS_VAR_SET(ac_Symbol, yes)],
+ [AS_VAR_SET(ac_Symbol, no)])])
+AS_IF([test AS_VAR_GET(ac_Symbol) = yes], [$2], [$3])[]dnl
+AS_VAR_POPDEF([ac_Symbol])dnl
+])# AC_CHECK_DECL
+
+
+# AC_CHECK_DECLS(SYMBOLS,
+# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
+# [INCLUDES = DEFAULT-INCLUDES])
+# --------------------------------------------------------
+# Defines HAVE_DECL_SYMBOL to 1 if declared, 0 otherwise. See the
+# documentation for a detailed explanation of this difference with
+# other AC_CHECK_*S macros. SYMBOLS is an m4 list.
+AC_DEFUN([AC_CHECK_DECLS],
+[m4_foreach([AC_Symbol], [$1],
+ [AC_CHECK_DECL(AC_Symbol,
+ [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_DECL_]AC_Symbol), 1,
+ [Define to 1 if you have the declaration
+ of `]AC_Symbol[', and to 0 if you don't.])
+$2],
+ [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_DECL_]AC_Symbol), 0)
+$3],
+ [$4])])
+])# AC_CHECK_DECLS
+
+
+
+## ---------------------------------- ##
+## Replacement of library functions. ##
+## ---------------------------------- ##
+
+
+# AC_CONFIG_LIBOBJ_DIR(DIRNAME)
+# -----------------------------
+# Announce LIBOBJ replacement files are in $top_srcdir/DIRNAME.
+AC_DEFUN_ONCE([AC_CONFIG_LIBOBJ_DIR],
+[m4_bmatch([$1], [^]m4_defn([m4_cr_symbols2]),
+ [AC_WARNING([invalid replacement directory: $1])])dnl
+m4_divert_text([DEFAULTS], [ac_config_libobj_dir=$1])[]dnl
+])
+
+
+# AC_LIBSOURCE(FILENAME)
+# ----------------------
+# Announce we might need the file `FILENAME'.
+m4_define([AC_LIBSOURCE], [])
+
+
+# AC_LIBSOURCES([FILENAME1, ...])
+# -------------------------------
+# Announce we might need these files.
+m4_define([AC_LIBSOURCES],
+[m4_foreach([_AC_FILENAME], [$1],
+ [AC_LIBSOURCE(_AC_FILENAME)])])
+
+
+# _AC_LIBOBJ(FILENAME-NOEXT, ACTION-IF-INDIR)
+# -------------------------------------------
+# We need `FILENAME-NOEXT.o', save this into `LIBOBJS'.
+# We don't use AC_SUBST/2 because it forces an unnecessary eol.
+m4_define([_AC_LIBOBJ],
+[AS_LITERAL_IF([$1],
+ [AC_LIBSOURCE([$1.c])],
+ [$2])dnl
+AC_SUBST([LIB@&t@OBJS])dnl
+case $LIB@&t@OBJS in
+ "$1.$ac_objext" | \
+ *" $1.$ac_objext" | \
+ "$1.$ac_objext "* | \
+ *" $1.$ac_objext "* ) ;;
+ *) LIB@&t@OBJS="$LIB@&t@OBJS $1.$ac_objext" ;;
+esac
+])
+
+
+
+# AC_LIBOBJ(FILENAME-NOEXT)
+# -------------------------
+# We need `FILENAME-NOEXT.o', save this into `LIBOBJS'.
+# We don't use AC_SUBST/2 because it forces an unnecessary eol.
+m4_define([AC_LIBOBJ],
+[_AC_LIBOBJ([$1],
+ [AC_DIAGNOSE(syntax,
+ [$0($1): you should use literals])])dnl
+])
+
+
+# _AC_LIBOBJS_NORMALIZE
+# ---------------------
+# Clean up LIBOBJS abd LTLIBOBJS so that they work with 1. ac_objext,
+# 2. Automake's ANSI2KNR, 3. Libtool, 4. combination of the three.
+# Used with AC_CONFIG_COMMANDS_PRE.
+AC_DEFUN([_AC_LIBOBJS_NORMALIZE],
+[ac_libobjs=
+ac_ltlibobjs=
+for ac_i in : $LIB@&t@OBJS; do test "x$ac_i" = x: && continue
+ # 1. Remove the extension, and $U if already installed.
+ ac_i=`echo "$ac_i" |
+ sed 's/\$U\././;s/\.o$//;s/\.obj$//'`
+ # 2. Add them.
+ ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext"
+ ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo'
+done
+AC_SUBST([LIB@&t@OBJS], [$ac_libobjs])
+AC_SUBST([LTLIBOBJS], [$ac_ltlibobjs])
+])
+
+
+## ----------------------------------- ##
+## Checking compiler characteristics. ##
+## ----------------------------------- ##
+
+
+# _AC_COMPUTE_INT_COMPILE(EXPRESSION, VARIABLE, [INCLUDES], [IF-FAILS])
+# ---------------------------------------------------------------------
+# Compute the integer EXPRESSION and store the result in the VARIABLE.
+# Works OK if cross compiling, but assumes twos-complement arithmetic.
+m4_define([_AC_COMPUTE_INT_COMPILE],
+[# Depending upon the size, compute the lo and hi bounds.
+AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$3], [($1) >= 0])],
+ [ac_lo=0 ac_mid=0
+ while :; do
+ AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$3], [($1) <= $ac_mid])],
+ [ac_hi=$ac_mid; break],
+ [ac_lo=`expr $ac_mid + 1`
+ if test $ac_lo -le $ac_mid; then
+ ac_lo= ac_hi=
+ break
+ fi
+ ac_mid=`expr 2 '*' $ac_mid + 1`])
+ done],
+[AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$3], [($1) < 0])],
+ [ac_hi=-1 ac_mid=-1
+ while :; do
+ AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$3], [($1) >= $ac_mid])],
+ [ac_lo=$ac_mid; break],
+ [ac_hi=`expr '(' $ac_mid ')' - 1`
+ if test $ac_mid -le $ac_hi; then
+ ac_lo= ac_hi=
+ break
+ fi
+ ac_mid=`expr 2 '*' $ac_mid`])
+ done],
+ [ac_lo= ac_hi=])])
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+ ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
+ AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$3], [($1) <= $ac_mid])],
+ [ac_hi=$ac_mid], [ac_lo=`expr '(' $ac_mid ')' + 1`])
+done
+case $ac_lo in
+?*) $2=$ac_lo;;
+'') $4 ;;
+esac[]dnl
+])# _AC_COMPUTE_INT_COMPILE
+
+
+# _AC_COMPUTE_INT_RUN(EXPRESSION, VARIABLE, [INCLUDES], [IF-FAILS])
+# -----------------------------------------------------------------
+# Store the evaluation of the integer EXPRESSION in VARIABLE.
+m4_define([_AC_COMPUTE_INT_RUN],
+[AC_RUN_IFELSE([AC_LANG_INT_SAVE([$3], [$1])],
+ [$2=`cat conftest.val`], [$4])])
+
+
+# _AC_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
+# ---------------------------------------------------------
+m4_define([_AC_COMPUTE_INT],
+[if test "$cross_compiling" = yes; then
+ _AC_COMPUTE_INT_COMPILE([$1], [$2], [$3], [$4])
+else
+ _AC_COMPUTE_INT_RUN([$1], [$2], [$3], [$4])
+fi
+rm -f conftest.val[]dnl
+])# _AC_COMPUTE_INT
projects / wxWidgets.git / commitdiff
