#!/bin/sh
# Packager GioPower, luca.gio.85~at~gmail~dot~com
# VTK (Visualization Toolkit)
#
# The Visualization Toolkit (VTK) is an open-source, freely available
# software system for 3D computer graphics, image provessing and
# visualization.
#
# Web site: www.vtk.org
#


# Cmake flags
SHARED=ON
EXAMPLES=OFF

DO_STRIP=true

MAKE_FLAGS=-j5
# multithreading: may use -j3 for dual-core or -j5 for quad-core (or more ;))


CWD=`pwd`
TMP=${TMP:-/tmp/tgz}
NAME=vtk
MAJ_VERSION=5.4
VERSION=$MAJ_VERSION.2
ARCH=${ARCH:-i686}
BUILD=2gp
PKG=$TMP/package-$NAME
DESTDIR=$PKG/usr
rm -rf $PKG
mkdir -p $PKG
mkdir -p $DESTDIR


if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = x86_64 ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

SOURCE=http://www.vtk.org/files/release/$MAJ_VERSION/$NAME-$VERSION.tar.gz

if [ ! -e $NAME-$VERSION.tar.gz ]; then
wget -c $SOURCE
fi

cd $TMP
rm -rf $NAME-$VERSION
tar xzvf $CWD/$NAME-$VERSION.tar.gz || exit 1
mv VTK $NAME-$MAJ_VERSION
cd $NAME-$MAJ_VERSION
chown -R root:root .

#configure and build
cmake -D BUILD_TESTING=OFF \
      -D BUILD_EXAMPLES=$EXAMPLES \
      -D BUILD_SHARED_LIBS=$SHARED \
      -D CMAKE_INSTALL_PREFIX=$DESTDIR \
      -D CMAKE_CXX_FLAGS="$SLKCFLAGS" \
      -D CMAKE_C_FLAGS="$SLKCFLAGS" \
      -D VTK_USE_GUISUPPORT=ON \
      -D VTK_USE_QVTK=ON \
      -D DESIRED_QT_VERSION=4 \
      $TMP/$NAME-$MAJ_VERSION || exit 1
make $MAKE_FLAGS || exit 1
#make || exit 1
make install || exit 1

#strip
if [ $DO_STRIP ]; then
strip --strip-unneeded $DESTDIR/lib/*
strip --strip-unneeded $DESTDIR/bin/*
fi

mkdir -p $PKG/install
cat $CWD/slack-desc >$PKG/install/slack-desc
cat $CWD/doinst.sh >$PKG/install/doinst.sh
DOCDIR=$PKG/usr/doc/$NAME-$MAJ_VERSION
mkdir -p $DOCDIR
cat $CWD/slack-desc >$DOCDIR/slack-desk
cat $CWD/$NAME.SlackBuild >$DOCDIR/$NAME.SlackBuild

cd $PKG
requiredbuilder -y -v -s $CWD $PKG
makepkg -p -l y -c n $CWD/$NAME-$VERSION-$ARCH-$BUILD.txz

if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/$NAME-$MAJ_VERSION
  rm -rf $PKG
fi