[m4_if(_AC_SED_DELIM_NUM, 0,[m4_if(_AC_Var, [@END@],[dnl The whole of the last fragment would be the final deletion of `|#_!!_#|'.m4_define([_AC_SED_CMDS], m4_defn([_AC_SED_CMDS])[| sed 's/|#_!!_#|//g' ])],[ac_delim='%!_!# 'for ac_last_try in false false false false false :; do  cat >conf$$subs.sed <<_ACEOF])])dnlm4_if(_AC_Var, [@END@],      [m4_if(m4_eval(_AC_SED_CMD_NUM + 2 <= _AC_SED_CMD_LIMIT), 1,             [m4_define([_AC_SED_FRAG], [ end]m4_defn([_AC_SED_FRAG]))])],[m4_define([_AC_SED_CMD_NUM], m4_incr(_AC_SED_CMD_NUM))dnlm4_define([_AC_SED_DELIM_NUM], m4_incr(_AC_SED_DELIM_NUM))dnl_AC_Var!$_AC_Var$ac_delim])dnlm4_if(_AC_SED_CMD_LIMIT,      m4_if(_AC_Var, [@END@], m4_if(_AC_SED_CMD_NUM, 2, 2, _AC_SED_CMD_LIMIT), _AC_SED_CMD_NUM),[_ACEOFdnl Do not use grep on conf$$subs.sed, since AIX grep has a line length limit.  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = _AC_SED_DELIM_NUM; then    break  elif $ac_last_try; then    AC_MSG_ERROR([could not make $CONFIG_STATUS])  else    ac_delim="$ac_delim!$ac_delim _$ac_delim!! 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If the here document is# closed, it has to be reopened with "cat >>$CONFIG_STATUS <<\_ACEOF".#m4_define([_AC_OUTPUT_HEADER],[  #  # CONFIG_HEADER  #_ACEOF# Transform confdefs.h into a sed script `conftest.defines', that# substitutes the proper values into config.h.in to produce config.h.rm -f conftest.defines conftest.tail# First, append a space to every undef/define line, to ease matching.echo 's/$/ /' >conftest.defines# Then, protect against being on the right side of a sed subst, or in# an unquoted here document, in config.status.  If some macros were# called several times there might be several #defines for the same# symbol, which is useless.  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This is necessary, for# example, in the case of _POSIX_SOURCE, which is predefined and required# on some systems where configure will not decide to define it.# (The regexp can be short, since the line contains either #define or #undef.)echo 's/ $//[s,^[	 #]*u.*,/* & */,]' >>conftest.defines# Break up conftest.defines:dnl If we cared only about not exceeding line count limits, we would use this:dnl ac_max_sed_lines=m4_eval(_AC_SED_CMD_LIMIT - 3)dnl But in practice this can generate scripts that contain too many bytes;dnl and this can cause obscure 'sed' failures, e.g.,dnl http://lists.gnu.org/archive/html/bug-coreutils/2006-05/msg00127.htmldnl So instead, we use the following, which is about half the size we'd like:ac_max_sed_lines=50dnl In the future, let's use awk or sh instead of sed to do substitutions,dnl since we have so many problems with sed.# First sed command is:	 sed -f defines.sed $ac_file_inputs >"$tmp/out1"# Second one is:	 sed -f defines.sed "$tmp/out1" >"$tmp/out2"# Third one will be:	 sed -f defines.sed "$tmp/out2" >"$tmp/out1"# et cetera.ac_in='$ac_file_inputs'ac_out='"$tmp/out1"'ac_nxt='"$tmp/out2"'while :do  # Write a here document:  dnl Quote, for the `[ ]' and `define'.[  cat >>$CONFIG_STATUS <<_ACEOF    # First, check the format of the line:    cat >"\$tmp/defines.sed" <<\\CEOF/^[	 ]*#[	 ]*undef[	 ][	 ]*$ac_word_re[	 ]*\$/b def/^[	 ]*#[	 ]*define[	 ][	 ]*$ac_word_re[(	 ]/b defb:def_ACEOF]  sed ${ac_max_sed_lines}q conftest.defines >>$CONFIG_STATUS  echo 'CEOF    sed -f "$tmp/defines.sed"' "$ac_in >$ac_out" >>$CONFIG_STATUS  ac_in=$ac_out; ac_out=$ac_nxt; ac_nxt=$ac_in  sed 1,${ac_max_sed_lines}d conftest.defines >conftest.tail  grep . conftest.tail >/dev/null || break  rm -f conftest.defines  mv conftest.tail conftest.definesdonerm -f conftest.defines conftest.taildnl Now back to your regularly scheduled config.status.echo "ac_result=$ac_in" >>$CONFIG_STATUScat >>$CONFIG_STATUS <<\_ACEOF  if test x"$ac_file" != x-; then    echo "/* $configure_input  */" >"$tmp/config.h"    cat "$ac_result" >>"$tmp/config.h"    if diff $ac_file "$tmp/config.h" >/dev/null 2>&1; then      AC_MSG_NOTICE([$ac_file is unchanged])    else      rm -f $ac_file      mv "$tmp/config.h" $ac_file    fi  else    echo "/* $configure_input  */"    cat "$ac_result"  fi  rm -f "$tmp/out[12]"dnl If running for Automake, be ready to perform additionaldnl commands to set up the timestamp files.m4_ifdef([_AC_AM_CONFIG_HEADER_HOOK],	 [_AC_AM_CONFIG_HEADER_HOOK([$ac_file])])dnl])# _AC_OUTPUT_HEADER## --------------------- #### Configuration links.  #### --------------------- ### AC_CONFIG_LINKS(DEST:SOURCE..., [COMMANDS], [INIT-CMDS])# --------------------------------------------------------# Specify that config.status should establish a (symbolic if possible)# link from TOP_SRCDIR/SOURCE to TOP_SRCDIR/DEST.# Reject DEST=., because it is makes it hard for ./config.status# to guess the links to establish (`./config.status .').#AC_DEFUN([AC_CONFIG_LINKS], [_AC_CONFIG_FOOS([LINKS], $@)])# AC_LINK_FILES(SOURCE..., DEST...)# ---------------------------------# Link each of the existing files SOURCE... to the corresponding# link name in DEST...## Unfortunately we can't provide a very good autoupdate service here,# since in `AC_LINK_FILES($from, $to)' it is possible that `$from'# and `$to' are actually lists.  It would then be completely wrong to# replace it with `AC_CONFIG_LINKS($to:$from).  It is possible in the# case of literal values though, but because I don't think there is any# interest in creating config links with literal values, no special