use gnulib to detect iconv.

1 files changed, 90 insertions, 48 deletions

diff --git a/build-aux/gendocs.sh b/build-aux/gendocs.sh
index c293f96f50..0c0bc4b0f3 100755
--- a/build-aux/gendocs.sh
+++ b/build-aux/gendocs.sh
@@ -2,7 +2,7 @@
 # gendocs.sh -- generate a GNU manual in many formats.  This script is
 #   mentioned in maintain.texi.  See the help message below for usage details.
 
-scriptversion=2012-09-02.17
+scriptversion=2012-10-27.11
 
 # Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
 # Free Software Foundation, Inc.
@@ -30,6 +30,12 @@ scriptversion=2012-09-02.17
 #
 # An up-to-date copy is also maintained in Gnulib (gnu.org/software/gnulib).
 
+# TODO:
+# - image importation was only implemented for HTML generated by
+#   makeinfo.  But it should be simple enough to adjust.
+# - images are not imported in the source tarball.  All the needed
+#   formats (PDF, PNG, etc.) should be included.
+
 prog=`basename "$0"`
 srcdir=`pwd`
 
@@ -39,12 +45,11 @@ templateurl="http://savannah.gnu.org/cgi-bin/viewcvs/~checkout~/texinfo/texinfo/
 : ${SETLANG="env LANG= LC_MESSAGES= LC_ALL= LANGUAGE="}
 : ${MAKEINFO="makeinfo"}
 : ${TEXI2DVI="texi2dvi -t @finalout"}
-: ${DVIPS="dvips"}
 : ${DOCBOOK2HTML="docbook2html"}
 : ${DOCBOOK2PDF="docbook2pdf"}
-: ${DOCBOOK2PS="docbook2ps"}
 : ${DOCBOOK2TXT="docbook2txt"}
 : ${GENDOCS_TEMPLATE_DIR="."}
+: ${PERL='perl'}
 : ${TEXI2HTML="texi2html"}
 unset CDPATH
 unset use_texi2html
@@ -66,8 +71,9 @@ discussion:
 Options:
   -s SRCFILE  read Texinfo from SRCFILE, instead of PACKAGE.{texinfo|texi|txi}
   -o OUTDIR   write files into OUTDIR, instead of manual/.
+  -I DIR      append DIR to the Texinfo search path.
   --email ADR use ADR as contact in generated web pages.
-  --docbook   convert to DocBook too (xml, txt, html, pdf and ps).
+  --docbook   convert through DocBook too (xml, txt, html, pdf).
   --html ARG  pass indicated ARG to makeinfo or texi2html for HTML targets.
   --info ARG  pass indicated ARG to makeinfo for Info, instead of --no-split.
   --texi2html use texi2html to generate HTML targets.
@@ -107,11 +113,11 @@ first copy or symlink all Texinfo sources into a single directory.
 As implied above, by default monolithic Info files are generated.
 If you want split Info, or other Info options, use --info to override.
 
-You can set the environment variables MAKEINFO, TEXI2DVI, TEXI2HTML, and
-DVIPS to control the programs that get executed, and
+You can set the environment variables MAKEINFO, TEXI2DVI, TEXI2HTML,
+and PERL to control the programs that get executed, and
 GENDOCS_TEMPLATE_DIR to control where the gendocs_template file is
 looked for.  With --docbook, the environment variables DOCBOOK2HTML,
-DOCBOOK2PDF, DOCBOOK2PS, and DOCBOOK2TXT are also respected.
+DOCBOOK2PDF, and DOCBOOK2TXT are also respected.
 
 By default, makeinfo and texi2dvi are run in the default (English)
 locale, since that's the language of most Texinfo manuals.  If you
@@ -121,15 +127,11 @@ SETLANG setting in the source.
 Email bug reports or enhancement requests to bug-texinfo@gnu.org.
 "
 
-calcsize()
-{
-  size=`ls -ksl $1 | awk '{print $1}'`
-  echo $size
-}
-
 MANUAL_TITLE=
 PACKAGE=
 EMAIL=webmasters@gnu.org  # please override with --email
+commonarg= # Options passed to all the tools (-I dir).
+dirs=      # -I's directories.
 htmlarg=
 infoarg=--no-split
 outdir=manual
@@ -142,6 +144,7 @@ while test $# -gt 0; do
     --version) echo "$version"; exit 0;;
     -s) shift; srcfile=$1;;
     -o) shift; outdir=$1;;
+    -I) shift; commonarg="$commonarg -I '$1'"; dirs="$dirs $1";;
     --docbook) docbook=yes;;
     --html) shift; htmlarg=$1;;
     --info) shift; infoarg=$1;;
@@ -190,6 +193,55 @@ if test ! -r $GENDOCS_TEMPLATE_DIR/gendocs_template; then
   exit 1
 fi
 
+# Function to return size of $1 in something resembling kilobytes.
+calcsize()
+{
+  size=`ls -ksl $1 | awk '{print $1}'`
+  echo $size
+}
+
+# copy_images OUTDIR HTML-FILE...
+# -------------------------------
+# Copy all the images needed by the HTML-FILEs into OUTDIR.  Look
+# for them in the -I directories.
+copy_images()
+{
+  local odir
+  odir=$1
+  shift
+  $PERL -n -e "
+BEGIN {
+  \$me = '$prog';
+  \$odir = '$odir';
+  @dirs = qw($dirs);
+}
+" -e '
+/<img src="(.*?)"/g && ++$need{$1};
+
+END {
+  #print "$me: @{[keys %need]}\n";  # for debugging, show images found.
+  FILE: for my $f (keys %need) {
+    for my $d (@dirs) {
+      if (-f "$d/$f") {
+        use File::Basename;
+        my $dest = dirname ("$odir/$f");
+        #
+        use File::Path;
+        -d $dest || mkpath ($dest)
+          || die "$me: cannot mkdir $dest: $!\n";
+        #
+        use File::Copy;
+        copy ("$d/$f", $dest)
+          || die "$me: cannot copy $d/$f to $dest: $!\n";
+        next FILE;
+      }
+    }
+    die "$me: $ARGV: cannot find image $f\n";
+  }
+}
+' -- "$@" || exit 1
+}
+
 case $outdir in
   /*) abs_outdir=$outdir;;
   *)  abs_outdir=$srcdir/$outdir;;
@@ -197,7 +249,7 @@ esac
 
 echo "Generating output formats for $srcfile"
 
-cmd="$SETLANG $MAKEINFO -o $PACKAGE.info $infoarg \"$srcfile\""
+cmd="$SETLANG $MAKEINFO -o $PACKAGE.info $commonarg $infoarg \"$srcfile\""
 echo "Generating info file(s)... ($cmd)"
 eval "$cmd"
 mkdir -p "$outdir/"
@@ -206,29 +258,23 @@ info_tgz_size=`calcsize "$outdir/$PACKAGE.info.tar.gz"`
 # do not mv the info files, there's no point in having them available
 # separately on the web.
 
-cmd="$SETLANG ${TEXI2DVI} \"$srcfile\""
+cmd="$SETLANG $TEXI2DVI $commonarg \"$srcfile\""
 echo "Generating dvi ... ($cmd)"
 eval "$cmd"
 
-# now, before we compress dvi:
-echo "Generating postscript..."
-${DVIPS} $PACKAGE -o
-gzip -f -9 $PACKAGE.ps
-ps_gz_size=`calcsize $PACKAGE.ps.gz`
-mv $PACKAGE.ps.gz "$outdir/"
-
 # compress/finish dvi:
 gzip -f -9 $PACKAGE.dvi
 dvi_gz_size=`calcsize $PACKAGE.dvi.gz`
 mv $PACKAGE.dvi.gz "$outdir/"
 
-cmd="$SETLANG ${TEXI2DVI} --pdf \"$srcfile\""
+cmd="$SETLANG $TEXI2DVI --pdf $commonarg \"$srcfile\""
 echo "Generating pdf ... ($cmd)"
 eval "$cmd"
 pdf_size=`calcsize $PACKAGE.pdf`
 mv $PACKAGE.pdf "$outdir/"
 
-cmd="$SETLANG $MAKEINFO -o $PACKAGE.txt --no-split --no-headers \"$srcfile\""
+opt="-o $PACKAGE.txt --no-split --no-headers $commonarg"
+cmd="$SETLANG $MAKEINFO $opt \"$srcfile\""
 echo "Generating ASCII... ($cmd)"
 eval "$cmd"
 ascii_size=`calcsize $PACKAGE.txt`
@@ -238,7 +284,7 @@ mv $PACKAGE.txt "$outdir/"
 
 html_split()
 {
-  opt="--split=$1 $htmlarg --node-files"
+  opt="--split=$1 $commonarg $htmlarg --node-files"
   cmd="$SETLANG $TEXI2HTML --output $PACKAGE.html $opt \"$srcfile\""
   echo "Generating html by $1... ($cmd)"
   eval "$cmd"
@@ -256,7 +302,7 @@ html_split()
 }
 
 if test -z "$use_texi2html"; then
-  opt="--no-split --html -o $PACKAGE.html $htmlarg"
+  opt="--no-split --html -o $PACKAGE.html $commonarg $htmlarg"
   cmd="$SETLANG $MAKEINFO $opt \"$srcfile\""
   echo "Generating monolithic html... ($cmd)"
   rm -rf $PACKAGE.html  # in case a directory is left over
@@ -264,23 +310,25 @@ if test -z "$use_texi2html"; then
   html_mono_size=`calcsize $PACKAGE.html`
   gzip -f -9 -c $PACKAGE.html >"$outdir/$PACKAGE.html.gz"
   html_mono_gz_size=`calcsize "$outdir/$PACKAGE.html.gz"`
+  copy_images "$outdir/" $PACKAGE.html
   mv $PACKAGE.html "$outdir/"
 
-  cmd="$SETLANG $MAKEINFO --html -o $PACKAGE.html $htmlarg \"$srcfile\""
+  opt="--html -o $PACKAGE.html $commonarg $htmlarg"
+  cmd="$SETLANG $MAKEINFO $opt \"$srcfile\""
   echo "Generating html by node... ($cmd)"
   eval "$cmd"
   split_html_dir=$PACKAGE.html
+  copy_images $split_html_dir/ $split_html_dir/*.html
   (
-   cd ${split_html_dir} || exit 1
-   tar -czf "$abs_outdir/${PACKAGE}.html_node.tar.gz" -- *.html
+    cd $split_html_dir || exit 1
+    tar -czf "$abs_outdir/$PACKAGE.html_node.tar.gz" -- *
   )
-  html_node_tgz_size=`calcsize "$outdir/${PACKAGE}.html_node.tar.gz"`
-  rm -f "$outdir"/html_node/*.html
-  mkdir -p "$outdir/html_node/"
-  mv ${split_html_dir}/*.html "$outdir/html_node/"
-  rmdir ${split_html_dir}
+  html_node_tgz_size=`calcsize "$outdir/$PACKAGE.html_node.tar.gz"`
+  rm -rf "$outdir/html_node/"
+  mv $split_html_dir "$outdir/html_node/"
 else
-  cmd="$SETLANG $TEXI2HTML --output $PACKAGE.html $htmlarg \"$srcfile\""
+  opt="--output $PACKAGE.html $commonarg $htmlarg"
+  cmd="$SETLANG $TEXI2HTML $opt \"$srcfile\""
   echo "Generating monolithic html... ($cmd)"
   rm -rf $PACKAGE.html  # in case a directory is left over
   eval "$cmd"
@@ -304,7 +352,8 @@ d=`dirname $srcfile`
 texi_tgz_size=`calcsize "$outdir/$PACKAGE.texi.tar.gz"`
 
 if test -n "$docbook"; then
-  cmd="$SETLANG $MAKEINFO -o - --docbook \"$srcfile\" > ${srcdir}/$PACKAGE-db.xml"
+  opt="-o - --docbook $commonarg"
+  cmd="$SETLANG $MAKEINFO $opt \"$srcfile\" >${srcdir}/$PACKAGE-db.xml"
   echo "Generating docbook XML... ($cmd)"
   eval "$cmd"
   docbook_xml_size=`calcsize $PACKAGE-db.xml`
@@ -313,7 +362,8 @@ if test -n "$docbook"; then
   mv $PACKAGE-db.xml "$outdir/"
 
   split_html_db_dir=html_node_db
-  cmd="${DOCBOOK2HTML} -o $split_html_db_dir \"${outdir}/$PACKAGE-db.xml\""
+  opt="$commonarg -o $split_html_db_dir"
+  cmd="$DOCBOOK2HTML $opt \"${outdir}/$PACKAGE-db.xml\""
   echo "Generating docbook HTML... ($cmd)"
   eval "$cmd"
   (
@@ -326,20 +376,13 @@ if test -n "$docbook"; then
   mv ${split_html_db_dir}/*.html "$outdir/html_node_db/"
   rmdir ${split_html_db_dir}
 
-  cmd="${DOCBOOK2TXT} \"${outdir}/$PACKAGE-db.xml\""
+  cmd="$DOCBOOK2TXT \"${outdir}/$PACKAGE-db.xml\""
   echo "Generating docbook ASCII... ($cmd)"
   eval "$cmd"
   docbook_ascii_size=`calcsize $PACKAGE-db.txt`
   mv $PACKAGE-db.txt "$outdir/"
 
-  cmd="${DOCBOOK2PS} \"${outdir}/$PACKAGE-db.xml\""
-  echo "Generating docbook PS... ($cmd)"
-  eval "$cmd"
-  gzip -f -9 -c $PACKAGE-db.ps >"$outdir/$PACKAGE-db.ps.gz"
-  docbook_ps_gz_size=`calcsize "$outdir/$PACKAGE-db.ps.gz"`
-  mv $PACKAGE-db.ps "$outdir/"
-
-  cmd="${DOCBOOK2PDF} \"${outdir}/$PACKAGE-db.xml\""
+  cmd="$DOCBOOK2PDF \"${outdir}/$PACKAGE-db.xml\""
   echo "Generating docbook PDF... ($cmd)"
   eval "$cmd"
   docbook_pdf_size=`calcsize $PACKAGE-db.pdf`
@@ -353,6 +396,7 @@ if test -z "$use_texi2html"; then
 else
    CONDS="/%%ENDIF.*%%/d;/%%IF  *HTML_SECTION%%/d;/%%IF  *HTML_CHAPTER%%/d"
 fi
+
 curdate=`$SETLANG date '+%B %d, %Y'`
 sed \
    -e "s!%%TITLE%%!$MANUAL_TITLE!g" \
@@ -367,13 +411,11 @@ sed \
    -e "s!%%INFO_TGZ_SIZE%%!$info_tgz_size!g" \
    -e "s!%%DVI_GZ_SIZE%%!$dvi_gz_size!g" \
    -e "s!%%PDF_SIZE%%!$pdf_size!g" \
-   -e "s!%%PS_GZ_SIZE%%!$ps_gz_size!g" \
    -e "s!%%ASCII_SIZE%%!$ascii_size!g" \
    -e "s!%%ASCII_GZ_SIZE%%!$ascii_gz_size!g" \
    -e "s!%%TEXI_TGZ_SIZE%%!$texi_tgz_size!g" \
    -e "s!%%DOCBOOK_HTML_NODE_TGZ_SIZE%%!$html_node_db_tgz_size!g" \
    -e "s!%%DOCBOOK_ASCII_SIZE%%!$docbook_ascii_size!g" \
-   -e "s!%%DOCBOOK_PS_GZ_SIZE%%!$docbook_ps_gz_size!g" \
    -e "s!%%DOCBOOK_PDF_SIZE%%!$docbook_pdf_size!g" \
    -e "s!%%DOCBOOK_XML_SIZE%%!$docbook_xml_size!g" \
    -e "s!%%DOCBOOK_XML_GZ_SIZE%%!$docbook_xml_gz_size!g" \