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+#! /bin/sh
+# texi2dvi --- produce DVI (or PDF) files from Texinfo (or LaTeX) sources.
+# $Id: texi2dvi,v 1.42 2005/02/11 13:35:14 karl Exp $
+#
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2001,
+# 2002, 2003, 2004, 2005 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, you can either send email to this
+# program's maintainer or write to: The Free Software Foundation,
+# Inc.; 59 Temple Place, Suite 330; Boston, MA 02111-1307, USA.
+#
+# Original author: Noah Friedman.
+#
+# Please send bug reports, etc. to bug-texinfo@gnu.org.
+# If possible, please send a copy of the output of the script called with
+# the `--debug' option when making a bug report.
+
+test -f /bin/ksh && test -z "$RUNNING_KSH" \
+ && { UNAMES=`uname -s`; test "x$UNAMES" = xULTRIX; } 2>/dev/null \
+ && { RUNNING_KSH=true; export RUNNING_KSH; exec /bin/ksh $0 ${1+"$@"}; }
+unset RUNNING_KSH
+
+# This string is expanded by rcs automatically when this file is checked out.
+rcs_revision='$Revision: 1.42 $'
+rcs_version=`set - $rcs_revision; echo $2`
+program=`echo $0 | sed -e 's!.*/!!'`
+version="texi2dvi (GNU Texinfo 4.8) $rcs_version
+
+Copyright (C) 2005 Free Software Foundation, Inc.
+There is NO warranty. You may redistribute this software
+under the terms of the GNU General Public License.
+For more information about these matters, see the files named COPYING."
+
+usage="Usage: $program [OPTION]... FILE...
+
+Run each Texinfo or LaTeX FILE through TeX in turn until all
+cross-references are resolved, building all indices. The directory
+containing each FILE is searched for included files. The suffix of FILE
+is used to determine its language (LaTeX or Texinfo).
+
+Makeinfo is used to perform Texinfo macro expansion before running TeX
+when needed.
+
+Operation modes:
+ -b, --batch no interaction
+ -c, --clean remove all auxiliary files
+ -D, --debug turn on shell debugging (set -x)
+ -h, --help display this help and exit successfully
+ -o, --output=OFILE leave output in OFILE (implies --clean);
+ Only one input FILE may be specified in this case
+ -q, --quiet no output unless errors (implies --batch)
+ -s, --silent same as --quiet
+ -v, --version display version information and exit successfully
+ -V, --verbose report on what is done
+
+TeX tuning:
+ -@ use @input instead of \input; for preloaded Texinfo
+ -e, -E, --expand force macro expansion using makeinfo
+ -I DIR search DIR for Texinfo files
+ -l, --language=LANG specify the LANG of FILE (LaTeX or Texinfo)
+ -p, --pdf use pdftex or pdflatex for processing
+ -r, --recode call recode before TeX to translate input characters
+ -t, --command=CMD insert CMD in copy of input file
+ or --texinfo=CMD multiple values accumulate
+
+The values of the BIBTEX, LATEX (or PDFLATEX), MAKEINDEX, MAKEINFO,
+TEX (or PDFTEX), TEXINDEX, and THUMBPDF environment variables are used
+to run those commands, if they are set. Any CMD strings are added
+after @setfilename for Texinfo input, in the first line for LaTeX input.
+
+Email bug reports to <bug-texinfo@gnu.org>,
+general questions and discussion to <help-texinfo@gnu.org>.
+Texinfo home page: http://www.gnu.org/software/texinfo/"
+
+# Initialize variables for option overriding and otherwise.
+# Don't use `unset' since old bourne shells don't have this command.
+# Instead, assign them an empty value.
+batch=false # eval for batch mode
+clean=
+debug=
+escape='\'
+expand= # t for expansion via makeinfo
+miincludes= # makeinfo include path
+oformat=dvi
+oname= # --output
+quiet= # by default let the tools' message be displayed
+recode=false
+set_language=
+textra= # Extra TeX commands to insert in the input file.
+textra_cmd= # sed command to insert TEXTRA where appropriate
+tmpdir=${TMPDIR:-/tmp}/t2d$$ # avoid collisions on 8.3 filesystems.
+txincludes= # TEXINPUTS extensions, with trailing colon
+txiprereq=19990129 # minimum texinfo.tex version with macro expansion
+verb=false # echo for verbose mode
+
+orig_pwd=`pwd`
+
+# Systems which define $COMSPEC or $ComSpec use semicolons to separate
+# directories in TEXINPUTS -- except for Cygwin, where COMSPEC might be
+# inherited, but : is used.
+if test -n "$COMSPEC$ComSpec" && uname | grep -iv cygwin >/dev/null; then
+ path_sep=";"
+else
+ path_sep=":"
+fi
+
+# Pacify verbose cds.
+CDPATH=${ZSH_VERSION+.}$path_sep
+
+# In case someone crazy insists on using grep -E.
+: ${EGREP=egrep}
+
+# return true if program $1 is somewhere in PATH, else false.
+#
+findprog ()
+{
+ foundprog=false
+
+ saveIFS=$IFS
+ IFS=$path_sep # break path components at the path separator
+ for dir in $PATH; do
+ # use test -x rather than test -f for DJGPP, where test -x checks
+ # for .exe. But test -x will also return true for directories, so
+ # explicitly ignore those.
+ if test -x "$dir/$1" && test ! -d "$dir/$1"; then
+ foundprog=true
+ break
+
+ # But on cygwin, test -x foo will not find foo.exe. So also check
+ # for that.
+ elif test -x "$dir/$1.exe"; then
+ foundprog=true
+ break
+ fi
+ done
+ IFS=$saveIFS
+ $foundprog
+}
+
+# Report some information.
+report ()
+{
+ for i in "$@"
+ do
+ echo >&2 "$0: $i"
+ done
+}
+
+# Report some verbose information.
+verbose ()
+{
+ $verb >&2 "$0: $@"
+}
+
+# Report an error and exit with failure.
+fatal ()
+{
+ s=$1
+ shift
+ report "$@"
+ exit $s
+}
+
+# Save TEXINPUTS so we can construct a new TEXINPUTS path for each file.
+# Likewise for bibtex and makeindex.
+tex_envvars="BIBINPUTS BSTINPUTS INDEXSTYLE TEXINPUTS"
+for var in $tex_envvars; do
+ eval ${var}_orig=\$$var
+ export $var
+done
+
+
+# Push a token among the arguments that will be used to notice when we
+# ended options/arguments parsing.
+# Use "set dummy ...; shift" rather than 'set - ..." because on
+# Solaris set - turns off set -x (but keeps set -e).
+# Use ${1+"$@"} rather than "$@" because Digital Unix and Ultrix 4.3
+# still expand "$@" to a single argument (the empty string) rather
+# than nothing at all.
+arg_sep="$$--$$"
+set dummy ${1+"$@"} "$arg_sep"; shift
+
+#
+# Parse command line arguments.
+while test x"$1" != x"$arg_sep"; do
+
+ # Handle --option=value by splitting apart and putting back on argv.
+ case "$1" in
+ --*=*)
+ opt=`echo "$1" | sed -e 's/=.*//'`
+ val=`echo "$1" | sed -e 's/[^=]*=//'`
+ shift
+ set dummy "$opt" "$val" ${1+"$@"}; shift
+ ;;
+ esac
+
+ # This recognizes --quark as --quiet. So what.
+ case "$1" in
+ -@ ) escape=@;;
+ # Silently and without documentation accept -b and --b[atch] as synonyms.
+ -b | --b*) batch=true;;
+ -c | --c*) clean=t;;
+ -D | --d*) debug=t;;
+ -e | -E | --e*) expand=t;;
+ -h | --h*) echo "$usage"; exit 0;;
+ -I | --I*)
+ shift
+ miincludes="$miincludes -I $1"
+ txincludes="$txincludes$1$path_sep"
+ ;;
+ -l | --l*) shift; set_language=$1;;
+ -o | --o*)
+ shift
+ clean=t
+ case "$1" in
+ /* | ?:/*) oname=$1;;
+ *) oname="$orig_pwd/$1";;
+ esac;;
+ -p | --p*) oformat=pdf;;
+ -q | -s | --q* | --s*) quiet=t; batch=true;;
+ -r | --r*) recode=true;;
+ -t | --tex* | --com* ) shift; textra="$textra\\
+"`echo "$1" | sed 's/\\\\/\\\\\\\\/g'`;;
+ -v | --vers*) echo "$version"; exit 0;;
+ -V | --verb*) verb=echo;;
+ --) # What remains are not options.
+ shift
+ while test x"$1" != x"$arg_sep"; do
+ set dummy ${1+"$@"} "$1"; shift
+ shift
+ done
+ break;;
+ -*)
+ fatal 1 "Unknown or ambiguous option \`$1'." \
+ "Try \`--help' for more information."
+ ;;
+ *) set dummy ${1+"$@"} "$1"; shift;;
+ esac
+ shift
+done
+# Pop the token
+shift
+
+# Interpret remaining command line args as filenames.
+case $# in
+ 0)
+ fatal 2 "Missing file arguments." "Try \`--help' for more information."
+ ;;
+ 1) ;;
+ *)
+ if test -n "$oname"; then
+ fatal 2 "Can't use option \`--output' with more than one argument."
+ fi
+ ;;
+esac
+
+
+# We can't do much without tex.
+#
+if findprog ${TEX:-tex}; then :; else cat <<EOM
+You don't have a working TeX binary (${TEX:-tex}) installed anywhere in
+your PATH, and texi2dvi cannot proceed without one. If you want to use
+this script, you'll need to install TeX (if you don't have it) or change
+your PATH or TEX environment variable (if you do). See the --help
+output for more details.
+
+For information about obtaining TeX, please see http://www.tug.org. If
+you happen to be using Debian, you can get it with this command:
+ apt-get install tetex-bin
+EOM
+ exit 1
+fi
+
+
+# We want to use etex (or pdftex) if they are available, and the user
+# didn't explicitly specify. We don't check for elatex and pdfelatex
+# because (as of 2003), the LaTeX team has asked that new distributions
+# use etex by default anyway.
+#
+# End up with the TEX and PDFTEX variables set to what we are going to use.
+if test -z "$TEX"; then
+ if findprog etex; then TEX=etex; else TEX=tex; fi
+fi
+#
+if test -z "$PDFTEX"; then
+ if findprog pdfetex; then PDFTEX=pdfetex; else PDFTEX=pdftex; fi
+fi
+
+
+# Prepare the temporary directory. Remove it at exit, unless debugging.
+if test -z "$debug"; then
+ trap "cd / && rm -rf $tmpdir" 0 1 2 15
+fi
+
+# Create the temporary directory with strict rights
+(umask 077 && mkdir $tmpdir) || exit 1
+
+# Prepare the tools we might need. This may be extra work in some
+# cases, but improves the readability of the script.
+utildir=$tmpdir/utils
+mkdir $utildir || exit 1
+
+# A sed script that preprocesses Texinfo sources in order to keep the
+# iftex sections only. We want to remove non TeX sections, and comment
+# (with `@c texi2dvi') TeX sections so that makeinfo does not try to
+# parse them. Nevertheless, while commenting TeX sections, don't
+# comment @macro/@end macro so that makeinfo does propagate them.
+# Unfortunately makeinfo --iftex --no-ifinfo doesn't work well enough
+# (yet), makeinfo can't parse the TeX commands, so work around with sed.
+#
+comment_iftex_sed=$utildir/comment.sed
+cat <<EOF >$comment_iftex_sed
+/^@tex/,/^@end tex/{
+ s/^/@c texi2dvi/
+}
+/^@iftex/,/^@end iftex/{
+ s/^/@c texi2dvi/
+ /^@c texi2dvi@macro/,/^@c texi2dvi@end macro/{
+ s/^@c texi2dvi//
+ }
+}
+/^@ifnottex/,/^@end ifnottex/{
+ s/^/@c (texi2dvi)/
+}
+/^@ifinfo/,/^@end ifinfo/{
+ /^@node/p
+ /^@menu/,/^@end menu/p
+ t
+ s/^/@c (texi2dvi)/
+}
+s/^@ifnotinfo/@c texi2dvi@ifnotinfo/
+s/^@end ifnotinfo/@c texi2dvi@end ifnotinfo/
+EOF
+# Uncommenting is simple: Remove any leading `@c texi2dvi'.
+uncomment_iftex_sed=$utildir/uncomment.sed
+cat <<EOF >$uncomment_iftex_sed
+s/^@c texi2dvi//
+EOF
+
+# Compute the list of xref files.
+# Takes the filename (without extension) of which we look for xref
+# files as argument. The index files must be reported last.
+get_xref_files ()
+{
+ # Get list of xref files (indexes, tables and lists).
+ # Find all files having root filename with a two-letter extension,
+ # saves the ones that are really Texinfo-related files. .?o? catches
+ # many files: .toc, .log, LaTeX tables and lists, FiXme's .lox, maybe more.
+ for this_file in "$1".?o? "$1".aux "$1".?? "$1".idx; do
+ # If file is empty, skip it.
+ test -s "$this_file" || continue
+ # If the file is not suitable to be an index or xref file, don't
+ # process it. It's suitable if the first character is a
+ # backslash or right quote or at, as long as the first line isn't
+ # \input texinfo.
+ first_character=`sed -n '1s/^\(.\).*$/\1/p;q' $this_file`
+ if (test "x$first_character" = "x\\" \
+ && sed 1q $this_file | grep -v '^\\input *texinfo' >/dev/null) \
+ || test "x$first_character" = "x'" \
+ || test "x$first_character" = "x@"; then
+ xref_files="$xref_files ./$this_file"
+ fi
+ done
+ echo "$xref_files"
+}
+
+# Convert relative paths to absolute paths, so we can run in another
+# directory (e.g., in --clean mode, or during the macro-support detection.)
+#
+# Empty path components are meaningful to tex. We rewrite them
+# as `EMPTY' so they don't get lost when we split on $path_sep.
+# Hopefully no one will have an actual directory named EMPTY.
+absolute_filenames ()
+{
+ replace_empty="-e 's/^$path_sep/EMPTY$path_sep/g' \
+ -e 's/$path_sep\$/${path_sep}EMPTY/g' \
+ -e 's/$path_sep$path_sep/${path_sep}EMPTY:/g'"
+ _res=`echo "$1" | eval sed $replace_empty`
+ save_IFS=$IFS
+ IFS=$path_sep
+ set x $_res; shift
+ _res=.
+ for dir
+ do
+ case $dir in
+ EMPTY)
+ _res=$_res$path_sep
+ ;;
+ [\\/]* | ?:[\\/]*) # Absolute paths don't need to be expanded.
+ _res=$_res$path_sep$dir
+ ;;
+ *)
+ abs=`cd "$dir" && pwd` && _res=$_res$path_sep$abs
+ ;;
+ esac
+ done
+ echo "$_res"
+}
+
+
+# run_tex ()
+# ----------
+# Run TeX as "$tex $tex_args $filename_input", taking care of errors
+# and logs.
+run_tex ()
+{
+ # Note that this will be used via an eval: quote properly.
+ cmd=$tex
+
+ # If possible, make TeX report error locations in GNU format.
+ tex_args=
+ case $tex_help in
+ *file-line-error*) cmd="$cmd --file-line-error";;
+ esac
+
+ # Tell TeX to be batch if requested.
+ if $batch; then
+ # \batchmode does not show terminal output at all, so we don't
+ # want that. And even in batch mode, TeX insists on having input
+ # from the user. Close its stdin to make it impossible.
+ cmd="$cmd </dev/null '${escape}nonstopmode' '${escape}input'"
+ fi
+
+ cmd="$cmd '$filename_input'"
+
+ verbose "Running $cmd ..."
+ if eval "$cmd" >&5; then :; else
+ test "$clean" = t \
+ && cp "$filename_noext.log" "$orig_pwd"
+ fatal 1 "$tex exited with bad status, quitting." \
+ "see $filename_noext.log for errors."
+ fi
+}
+
+# File descriptor usage:
+# 0 standard input
+# 1 standard output (--verbose messages)
+# 2 standard error
+# 3 some systems may open it to /dev/tty
+# 4 used on the Kubota Titan
+# 5 tools output (turned off by --quiet)
+# 6 tracing/debugging (set -x output, etc.)
+
+# Tools' output. If quiet, discard, else redirect to the message flow.
+if test "$quiet" = t; then
+ exec 5>/dev/null
+else
+ exec 5>&1
+fi
+
+# Enable tracing
+if test "$debug" = t; then
+ exec 6>&1
+ set -x
+else
+ exec 6>/dev/null
+fi
+
+#
+# TeXify files.
+
+for command_line_filename in ${1+"$@"}; do
+ verbose "Processing $command_line_filename ..."
+
+ # If the COMMAND_LINE_FILENAME is not absolute (e.g., --debug.tex),
+ # prepend `./' in order to avoid that the tools take it as an option.
+ echo "$command_line_filename" | $EGREP '^(/|[A-z]:/)' >&6 \
+ || command_line_filename="./$command_line_filename"
+
+ # See if the file exists. If it doesn't we're in trouble since, even
+ # though the user may be able to reenter a valid filename at the tex
+ # prompt (assuming they're attending the terminal), this script won't
+ # be able to find the right xref files and so forth.
+ if test ! -r "$command_line_filename"; then
+ report "Could not read $command_line_filename, skipping."
+ continue
+ fi
+
+ # Get the name of the current directory. We want the full path
+ # because in clean mode we are in tmp, in which case a relative
+ # path has no meaning.
+ filename_dir=`echo $command_line_filename | sed 's!/[^/]*$!!;s!^$!.!'`
+ filename_dir=`cd "$filename_dir" >/dev/null && pwd`
+
+ # Strip directory part but leave extension.
+ filename_ext=`basename "$command_line_filename"`
+ # Strip extension.
+ filename_noext=`echo "$filename_ext" | sed 's/\.[^.]*$//'`
+ ext=`echo "$filename_ext" | sed 's/^.*\.//'`
+
+ # _src. Use same basename since we want to generate aux files with
+ # the same basename as the manual. If --expand, then output the
+ # macro-expanded file to here, else copy the original file.
+ tmpdir_src=$tmpdir/src
+ filename_src=$tmpdir_src/$filename_noext.$ext
+
+ # _xtr. The file with the user's extra commands.
+ tmpdir_xtr=$tmpdir/xtr
+ filename_xtr=$tmpdir_xtr/$filename_noext.$ext
+
+ # _rcd. The Texinfo file recoded in 7bit.
+ tmpdir_rcd=$tmpdir/rcd
+ filename_rcd=$tmpdir_rcd/$filename_noext.$ext
+
+ # _bak. Copies of the previous xref files (another round is run if
+ # they differ from the new one).
+ tmpdir_bak=$tmpdir/bak
+
+ # Make all those directories and give up if we can't succeed.
+ mkdir $tmpdir_src $tmpdir_xtr $tmpdir_rcd $tmpdir_bak || exit 1
+
+ # Source file might include additional sources.
+ # We want `.:$orig_pwd' before anything else. (We'll add `.:' later
+ # after all other directories have been turned into absolute paths.)
+ # `.' goes first to ensure that any old .aux, .cps,
+ # etc. files in ${directory} don't get used in preference to fresher
+ # files in `.'. Include orig_pwd in case we are in clean mode, where
+ # we've cd'd to a temp directory.
+ common="$orig_pwd$path_sep$filename_dir$path_sep$txincludes"
+ for var in $tex_envvars; do
+ eval ${var}="\$common\$${var}_orig"
+ export $var
+ done
+
+ # Convert relative paths to absolute paths, so we can run in another
+ # directory (e.g., in --clean mode, or during the macro-support detection.)
+ TEXINPUTS=`absolute_filenames "$TEXINPUTS"`
+ verbose "TEXINPUTS: $TEXINPUTS"
+ BIBINPUTS=`absolute_filenames "$BIBINPUTS"`
+ verbose "BIBINPUTS: $BIBINPUTS"
+ BSTINPUTS=`absolute_filenames "$BSTINPUTS"`
+ verbose "BSTINPUTS: $BSTINPUTS"
+ INDEXSTYLE=`absolute_filenames "$INDEXSTYLE"`
+ verbose "INDEXSTYLE: $INDEXSTYLE"
+
+ # If the user explicitly specified the language, use that.
+ # Otherwise, if the first line is \input texinfo, assume it's texinfo.
+ # Otherwise, guess from the file extension.
+ if test -n "$set_language"; then
+ language=$set_language
+ elif sed 1q "$command_line_filename" | grep 'input texinfo' >&6; then
+ language=texinfo
+ else
+ language=
+ fi
+
+ # Get the type of the file (latex or texinfo) from the given language
+ # we just guessed, or from the file extension if not set yet.
+ case ${language:-$filename_ext} in
+ [lL]a[tT]e[xX] | *.ltx | *.tex)
+ # Assume a LaTeX file. LaTeX needs bibtex and uses latex for
+ # compilation. No makeinfo.
+ language=latex
+ bibtex=${BIBTEX:-bibtex}
+ makeinfo= # no point in running makeinfo on latex source.
+ texindex=${MAKEINDEX:-makeindex}
+ textra_cmd=1i
+ if test $oformat = dvi; then
+ tex=${LATEX:-latex}
+ else
+ tex=${PDFLATEX:-pdflatex}
+ fi
+ thumbpdf=${THUMBPDF:-thumbpdf}
+ ;;
+
+ *)
+ # Assume a Texinfo file. Texinfo files need makeinfo, texindex and tex.
+ language=texinfo
+ bibtex=
+ texindex=${TEXINDEX:-texindex}
+ textra_cmd='/^@setfilename/a'
+ if test $oformat = dvi; then
+ # MetaPost also uses the TEX environment variable. If the user
+ # has set TEX=latex for that reason, don't bomb out.
+ if echo $TEX | grep 'latex$' >/dev/null; then
+ tex=tex # don't bother trying to find etex
+ else
+ tex=$TEX
+ fi
+ else
+ tex=$PDFTEX
+ fi
+ # Unless required by the user, makeinfo expansion is wanted only
+ # if texinfo.tex is too old.
+ if test "$expand" = t; then
+ makeinfo=${MAKEINFO:-makeinfo}
+ else
+ # Check if texinfo.tex performs macro expansion by looking for
+ # its version. The version is a date of the form YEAR-MO-DA.
+ # We don't need to use [0-9] to match the digits since anyway
+ # the comparison with $txiprereq, a number, will fail with non
+ # digits.
+ # Run in the tmpdir to avoid leaving files.
+ (
+ cd $tmpdir
+ echo '\input texinfo.tex @bye' >txiversion.tex
+ # Be sure that if tex wants to fail, it is not interactive:
+ # close stdin.
+ $tex txiversion.tex </dev/null
+ ) >$tmpdir/txiversion.out 2>$tmpdir/txiversion.err
+ if test $? != 0; then
+ cat $tmpdir/txiversion.out
+ cat $tmpdir/txiversion.err >&2
+ fatal 1 "texinfo.tex appears to be broken, quitting."
+ fi
+ eval `sed -n 's/^.*\[\(.*\)version \(....\)-\(..\)-\(..\).*$/txiformat=\1 txiversion="\2\3\4"/p' $tmpdir/txiversion.out`
+ verbose "texinfo.tex preloaded as \`$txiformat', version is \`$txiversion' ..."
+ if test "$txiprereq" -le "$txiversion" >/dev/null 2>&1; then
+ makeinfo=
+ else
+ makeinfo=${MAKEINFO:-makeinfo}
+ fi
+ # As long as we had to run TeX, offer the user this convenience:
+ test "$txiformat" = Texinfo && escape=@
+ fi
+ thumbpdf=${THUMBPDF:-thumbpdf}
+ ;;
+ esac
+
+ # Go to $tmpdir to try --help, since old versions that don't accept
+ # --help will generate a texput.log.
+ tex_help=`cd $tmpdir >/dev/null && $tex --help </dev/null 2>&1`
+
+ # Expand macro commands in the original source file using Makeinfo.
+ # Always use `end' footnote style, since the `separate' style
+ # generates different output (arguably this is a bug in -E).
+ # Discard main info output, the user asked to run TeX, not makeinfo.
+ if test -n "$makeinfo"; then
+ verbose "Macro-expanding $command_line_filename to $filename_src ..."
+ sed -f $comment_iftex_sed "$command_line_filename" \
+ | $makeinfo --footnote-style=end -I "$filename_dir" $miincludes \
+ -o /dev/null --macro-expand=- \
+ | sed -f $uncomment_iftex_sed >"$filename_src"
+ filename_input=$filename_src
+ fi
+
+ # If makeinfo failed (or was not even run), use the original file as input.
+ if test $? -ne 0 \
+ || test ! -r "$filename_src"; then
+ verbose "Reverting to $command_line_filename ..."
+ filename_input=$filename_dir/$filename_ext
+ fi
+
+ # Used most commonly for @finalout, @smallbook, etc.
+ if test -n "$textra"; then
+ verbose "Inserting extra commands: $textra"
+ sed "$textra_cmd\\
+$textra" "$filename_input" >"$filename_xtr"
+ filename_input=$filename_xtr
+ fi
+
+ # If this is a Texinfo file with a specified input encoding, and
+ # recode is available, then recode to plain 7 bit Texinfo.
+ if test $language = texinfo; then
+ pgm='s/^ *@documentencoding *\([^ ][^ ]*\) *$/\1/
+ t found
+ d
+ :found
+ q'
+ encoding=`sed -e "$pgm" "$filename_input"`
+ if $recode && test -n "$encoding" && findprog recode; then
+ verbose "Recoding from $encoding to Texinfo."
+ if recode "$encoding"..texinfo <"$filename_input" >"$filename_rcd" \
+ && test -s "$filename_rcd"; then
+ filename_input=$filename_rcd
+ else
+ verbose "Recoding failed, using original input."
+ fi
+ fi
+ fi
+
+ # If clean mode was specified, then move to the temporary directory.
+ if test "$clean" = t; then
+ verbose "cd $tmpdir_src"
+ cd "$tmpdir_src" || exit 1
+ fi
+
+ while :; do # will break out of loop below
+ orig_xref_files=`get_xref_files "$filename_noext"`
+
+ # Save copies of originals for later comparison.
+ if test -n "$orig_xref_files"; then
+ verbose "Backing up xref files: `echo $orig_xref_files | sed 's|\./||g'`"
+ cp $orig_xref_files $tmpdir_bak
+ fi
+
+ # Run bibtex on current file.
+ # - If its input (AUX) exists.
+ # - If AUX contains both `\bibdata' and `\bibstyle'.
+ # - If some citations are missing (LOG contains `Citation').
+ # or the LOG complains of a missing .bbl
+ #
+ # We run bibtex first, because I can see reasons for the indexes
+ # to change after bibtex is run, but I see no reason for the
+ # converse.
+ #
+ # Don't try to be too smart. Running bibtex only if the bbl file
+ # exists and is older than the LaTeX file is wrong, since the
+ # document might include files that have changed. Because there
+ # can be several AUX (if there are \include's), but a single LOG,
+ # looking for missing citations in LOG is easier, though we take
+ # the risk to match false messages.
+ if test -n "$bibtex" \
+ && test -r "$filename_noext.aux" \
+ && test -r "$filename_noext.log" \
+ && (grep '^\\bibdata[{]' "$filename_noext.aux" \
+ && grep '^\\bibstyle[{]' "$filename_noext.aux" \
+ && (grep 'Warning:.*Citation.*undefined' "$filename_noext.log" \
+ || grep 'No file .*\.bbl\.' "$filename_noext.log")) \
+ >&6 2>&1; \
+ then
+ verbose "Running $bibtex $filename_noext ..."
+ $bibtex "$filename_noext" >&5 ||
+ fatal 1 "$bibtex exited with bad status, quitting."
+ fi
+
+ # What we'll run texindex on -- exclude non-index files.
+ # Since we know index files are last, it is correct to remove everything
+ # before .aux and .?o?. But don't really do <anything>o<anything>
+ # -- don't match whitespace as <anything>.
+ # Otherwise, if orig_xref_files contains something like
+ # foo.xo foo.whatever
+ # the space after the o will get matched.
+ index_files=`echo "$orig_xref_files" \
+ | sed "s!.*\.aux!!g;
+ s!./$filename_noext\.[^ ]o[^ ]!!g;
+ s/^[ ]*//;s/[ ]*$//"`
+ # Run texindex (or makeindex) on current index files. If they
+ # already exist, and after running TeX a first time the index
+ # files don't change, then there's no reason to run TeX again.
+ # But we won't know that if the index files are out of date or
+ # nonexistent.
+ if test -n "$texindex" && test -n "$index_files"; then
+ verbose "Running $texindex $index_files ..."
+ $texindex $index_files 2>&5 1>&2 ||
+ fatal 1 "$texindex exited with bad status, quitting."
+ fi
+
+ # Finally, run TeX.
+ run_tex
+
+ # Decide if looping again is needed.
+ finished=t
+
+ # LaTeX (and the package changebar) report in the LOG file if it
+ # should be rerun. This is needed for files included from
+ # subdirs, since texi2dvi does not try to compare xref files in
+ # subdirs. Performing xref files test is still good since LaTeX
+ # does not report changes in xref files.
+ if grep "Rerun to get" "$filename_noext.log" >&6 2>&1; then
+ finished=
+ fi
+
+ # Check if xref files changed.
+ new_xref_files=`get_xref_files "$filename_noext"`
+ verbose "Original xref files = `echo $orig_xref_files | sed 's|\./||g'`"
+ verbose "New xref files = `echo $new_xref_files | sed 's|\./||g'`"
+
+ # If old and new lists don't at least have the same file list,
+ # then one file or another has definitely changed.
+ test "x$orig_xref_files" != "x$new_xref_files" && finished=
+
+ # File list is the same. We must compare each file until we find
+ # a difference.
+ if test -n "$finished"; then
+ for this_file in $new_xref_files; do
+ verbose "Comparing xref file `echo $this_file | sed 's|\./||g'` ..."
+ # cmp -s returns nonzero exit status if files differ.
+ if cmp -s "$this_file" "$tmpdir_bak/$this_file"; then :; else
+ # We only need to keep comparing until we find one that
+ # differs, because we'll have to run texindex & tex again no
+ # matter how many more there might be.
+ finished=
+ verbose "xref file `echo $this_file | sed 's|\./||g'` differed ..."
+ test "$debug" = t && diff -c "$tmpdir_bak/$this_file" "$this_file"
+ break
+ fi
+ done
+ fi
+
+ # If finished, exit the loop, else rerun the loop.
+ test -n "$finished" && break
+ done # while :;
+
+ # If we were using thumbpdf and producing PDF, then run thumbpdf
+ # and TeX one last time.
+ if test $oformat = pdf \
+ && test -r "$filename_noext.log" \
+ && grep 'thumbpdf\.sty' "$filename_noext.log" >&6 2>&1; \
+ then
+ verbose "Running $thumbpdf $filename_noext ..."
+ $thumbpdf "$filename_noext" >&5 ||
+ fatal 1 "$thumbpdf exited with bad status, quitting."
+ run_tex
+ fi
+
+
+ # If we were in clean mode, compilation was in a tmp directory.
+ # Copy the DVI (or PDF) file into the directory where the compilation
+ # has been done. (The temp dir is about to get removed anyway.)
+ # We also return to the original directory so that
+ # - the next file is processed in correct conditions
+ # - the temporary file can be removed
+ if test -n "$clean"; then
+ if test -n "$oname"; then
+ dest=$oname
+ else
+ dest=$orig_pwd
+ fi
+ verbose "Copying $oformat file from `pwd` to $dest"
+ cp -p "./$filename_noext.$oformat" "$dest"
+ cd / # in case $orig_pwd is on a different drive (for DOS)
+ cd $orig_pwd || exit 1
+ fi
+
+ # Remove temporary files.
+ if test "x$debug" = "x"; then
+ verbose "Removing $tmpdir_src $tmpdir_xtr $tmpdir_bak ..."
+ cd /
+ rm -rf $tmpdir_src $tmpdir_xtr $tmpdir_bak
+ fi
+done
+
+verbose "done."
+exit 0 # exit successfully, not however we ended the loop.