#! /bin/sh

PACKAGES=`pwd`
cd ..
GSDLHOME=`pwd`
cd $PACKAGES

GSDLOS=`uname -s |tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
# check for running bash under cygwin
if test "`echo $GSDLOS | sed 's/cygwin//'`" != "$GSDLOS" ;
then
 GSDLOS=windows
fi

prefix=""
bindir=""
HOSTTARGETFLAGS=""
# only some of the packages can take environment variables as options to 
# configure 
# format is VAR=value, e.g "LDFLAGS=-static"
ENVIRONMENT=""

# parse any arguments given from toplevel configure
while test $# -ne 0; do
    case "$1" in
	--cache-file=*)
	    cache_filename=`echo $1 | sed s/--cache-file=//`
	    # turn relative path into an absolute path
	    cache_dir=`echo $cache_filename | sed 's@/[^/]*$@@'`
	    cache_dir=`cd $cache_dir 2>/dev/null && pwd`

	    cache_basefile=`echo $cache_filename | sed 's@.*/@@'`
	    cache_file="$cache_dir/$cache_basefile"
	    if test ! -f "$cache_file"; then
		CACHE_FILE=""
	    else
		CACHE_FILE="--cache-file=$cache_file"
	    fi
	    ;;
	--prefix=*)
	    prefix=`echo $1 | sed s/--prefix=//`
	    ;;
	--bindir=*)
	    # where to install binaries to
	    bindir=`echo $1 | sed s/--bindir=//`
	    # turn relative path into an absolute path
	    if test -d "$bindir" ; then
	      bindir=`cd "$bindir" ; pwd `
	      cd "$PACKAGES"
	    elif test -z `echo $bindir | sed '/^\// p;D'` ; then
	      rel_bindir="`echo $bindir | sed s@/.*@@`"
	      cd "$rel_bindir"
	      bindir="`pwd`/`echo $bindir | sed s@^[^/]*/@@`"
	      cd "$PACKAGES"
	    else
	      # bindir doesn't exist, and isn't relative
	      true
	    fi
	    ;;
	--host=* | --target=*)
	    HOSTTARGETFLAGS="$HOSTTARGETFLAGS $1"
	    ;;
	*)
	    # ignore all other options for now
	    ;;
    esac
    shift
done

# note! Our GSDL package currently always installs into it's source
# directory, ignoring any --prefix given to configure.
# When this is fixed, uncomment the relevant lines below...

##if test -z "$prefix" ; then
prefix="${GSDLHOME}"
##fi

##if test -z "$bindir" ; then
bindir="${prefix}/bin/$GSDLOS"
##fi

# This loads the top configure's cache file, with variables already set.
if test -f "$cache_file" ; then
  . $cache_file
fi

# we assume that gzip and tar are on the search path.
# non-GNU versions of tar don't take the -z option.

# configure the wvWare Word document converter
echo ""
echo "Configuring wvWare"
echo ""

cd "$PACKAGES/wv"
gzip -dc wv-0.7.1-gs.tar.gz | tar -xf -
# datadir is for default location of wvHtml.xml config file
cd wv-gs && \
./configure $CACHE_FILE --prefix=$PACKAGES/wv --bindir="$bindir" --datadir="$prefix/etc/packages" $HOSTTARGETFLAGS

# configure the pdftohtml converter
echo ""
echo "Configuring pdftohtml"
echo ""

cd "$PACKAGES/pdftohtml"
gzip -dc pdftohtml_0_36_gs.tar.gz | tar -xf -
cd pdftohtml_gs && \
./configure $CACHE_FILE --prefix="$prefix" --bindir="$bindir" $HOSTTARGETFLAGS $ENVIRONMENT

# rtftohtml converter
echo ""
echo "Configuring rtftohtml"
echo ""

cd "$PACKAGES/rtftohtml"
gzip -dc rtftohtml-gs.tar.gz | tar -xf -
cd rtftohtml_src && \
./configure $CACHE_FILE --prefix="$prefix" --bindir="$bindir" $HOSTTARGETFLAGS

# configure wget
echo ""
echo "Configuring wget"
echo ""
cd "$PACKAGES/wget"
gzip -dc wget.tar.gz | tar -xf -
cd "$PACKAGES/wget/wget-1.9" && \
./configure $CACHE_FILE --prefix=$PACKAGES/wget --bindir="$bindir" $HOSTTARGETFLAGS

# configure expat (needs to be done before XML::Parser
echo ""
echo "Configuring expat"
echo ""
cd "$PACKAGES/expat"
gzip -dc expat-1.95.8.tar.gz | tar -xf -
cd "$PACKAGES/expat/expat-1.95.8" && \
./configure $CACHE_FILE --prefix=$PACKAGES/expat --bindir="$bindir" $HOSTTARGETFLAGS $ENVIRONMENT

# configure XML::Parser perl module
echo ""
echo "Configuring XML::Parser"
echo ""
cd "$PACKAGES/cpan"
perl_dir=`echo 'my $vn = $]; $vn =~ s/5\.00(\d).*$/perl-5.$1/; print "$vn" ' | perl`
gzip -dc XML-Parser-2.34.tar.gz | tar -xf -
cd "$PACKAGES/cpan/XML-Parser-2.34" && \
perl Makefile.PL \
  INSTALLSITELIB="$GSDLHOME/perllib/cpan/$perl_dir" \
  PREFIX="$GSDLHOME/perllib/cpan/XML" \
  INSTALLMAN1DIR="$GSDLHOME/perllib/cpan/$perl_dir" \
  INSTALLMAN3DIR="$GSDLHOME/perllib/cpan/$perl_dir" \
  SITEPREFIX="$GSDLHOME/perllib/cpan" \
  EXPATINCPATH="$GSDLHOME/packages/expat/include" \
  EXPATLIBPATH="$GSDLHOME/packages/expat/lib" 

# configure powerpoint converter
echo ""
echo "Configuring xlhtml (powerpoint & excel converter)"
echo ""
cd "$PACKAGES/xlhtml"
gzip -dc xlhtml-0.4.9.0-gs.tar.gz | tar -xf -
cd xlhtml-0.4.9.0 && \
./configure $CACHE_FILE --prefix="$prefix" --bindir="$bindir" $HOSTTARGETFLAGS


# configure IsisGdl program
echo ""
echo "Configuring IsisGdl (CDS/ISIS database reader)"
echo ""
cd "$PACKAGES/isis-gdl" && \
./configure $CACHE_FILE --prefix="$prefix" --bindir="$bindir" $HOSTTARGETFLAGS  $ENVIRONMENT

# configure HTMLTidy program
echo ""
echo "Configuring HTMLTidy"
echo ""
cd "$PACKAGES/html-tidy"
tar -xzvf tidy.tgz
cd "$PACKAGES/html-tidy/tidy" && \
./configure $CACHE_FILE --prefix="$prefix" --bindir="$bindir" $HOSTTARGETFLAGS $ENVIRONMENT