build_libdvdnav() {
HERE=`pwd`
NAME=libdvdnav
VER=4.2.0
BUILDDEPS="compiletc.tcz autoconf.tcz automake.tcz libtool.tcz"
#DEPS=


. ./libdvdread-sc.inc


if [ ! -f libdvdnav-4.2.0.tar.bz2 ]; then
wget http://dvdnav.mplayerhq.hu/releases/libdvdnav-4.2.0.tar.bz2 || exit 1
fi 

for I in `echo "$BUILDDEPS"`; do 
su tc -c "tce-load -i "$I"" || su tc -c "tce-load -iw "$I""
done

PKGPATH=$1
export LDFLAGS="-L$PKGPATH/lib"
export CPPFLAGS="-I$PKGPATH/include"
export PATH="$PKGPATH/localbin:$PATH"
export PKG_CONFIG_PATH="$PKGPATH/lib/pkgconfig:$PKG_CONFIG_PATH"
export LD_LIBRARY_PATH="$PKGPATH/lib"



if [ ! -f "$TMPDIR"/libdvdread ]; then
build_libdvdread "$PKGPATH" || exit 1
fi

tar xvf libdvdnav-4.2.0.tar.bz2 || exit 1
cd libdvdnav-4.2.0 || exit 1
./autogen.sh --prefix="$PKGPATH" --bindir="$PKGPATH"/localbin || exit 1
make || exit 1
make install || exit 1
cd "$HERE"

touch "$TMPDIR"/libdvdnav
}