#!/bin/sh
set -x

# ParaView 3.x build script
# - normally run from folder above source folder

# use the version number and the installation location specified
# in etc/apps/paraview3/{bashrc,cshrc}
: ${ParaView_VERSION:=3.3}
: ${ParaView_INST_DIR:=$WM_PROJECT_INST_DIR/paraview-$ParaView_VERSION}

#!!User:
# set to location of paraview sources and where to build paraview
# PARAVIEW_SRC_DIR=$WM_PROJECT_INST_DIR/src/other/ParaView3
PARAVIEW_SRC_DIR=/data/cfd2/work/cfdadmin/cvs/ParaView3
PARAVIEW_BUILD_DIR=$PARAVIEW_SRC_DIR/platforms

# TODO: extract the version number from the CMakeLists.txt variables:
#       PARAVIEW_VERSION_MAJOR, and PARAVIEW_VERSION_MINOR
# ParaView_VERSION="3.3"

# SET(PARAVIEW_VERSION_MAJOR 3)
# SET(PARAVIEW_VERSION_MINOR 3)

#!!User:
# select desired features, include Python whenever possible
VERBOSE=OFF
INCLUDE_MPI=OFF
MPI_MAX_PROCS=32
INCLUDE_PYTHON=ON
INCLUDE_MESA=OFF

# initialisation
oldpwd=$PWD
unset OBJ_ADD

# always build shared libraries
CMAKE_VARIABLES="-DBUILD_SHARED_LIBS:BOOL=ON"

if [ "$VERBOSE" = ON ]; then
   CMAKE_VARIABLES="$CMAKE_VARIABLES -DCMAKE_VERBOSE_MAKEFILE=TRUE"
fi

#****************************************************************************
# FIX: Attempt to get around seg-fault when building documentation
#CMAKE_VARIABLES="$CMAKE_VARIABLES -BUILD_DOCUMENTATION-ADVANCED:INTERNAL=0"
#****************************************************************************

# set python specific options
# NOTE - you'll need both python and python-devel packages installed
#      - might need to create a symbolic link to the python library
#        - anything after the '.so' gets in the way...
#      - might need to run cmake -> make twice to pick up all the links...
if [ "$INCLUDE_PYTHON" = ON ]; then
   PYTHON_INCLUDE_DIR=/usr/include/python2.5
   PYTHON_LIBRARY=/usr/lib$WM_COMPILER_LIB_ARCH/libpython2.5.so

   if [ -d "$PYTHON_INCLUDE_DIR" ]; then
      OBJ_ADD="$OBJ_ADD-py"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DPARAVIEW_ENABLE_PYTHON=ON"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DPYTHON_INCLUDE_PATH=$PYTHON_INCLUDE_DIR"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DPYTHON_LIBRARY=$PYTHON_LIBRARY"
   else
      echo "non-existent PYTHON_INCLUDE_DIR: $PYTHON_INCLUDE_DIR"
   fi
fi

# set MPI specific options
if [ "$INCLUDE_MPI" = ON ]; then
   case "$WM_MPLIB" in
   OPENMPI)
      MPI_INCLUDE_PATH=$OPENMPI_ARCH_PATH/include
      MPI_LIBRARY=$OPENMPI_ARCH_PATH/lib/libmpi.so
      MPI_RUN=$OPENMPI_ARCH_PATH/bin/mpirun
      ;;
   LAM)
      MPI_INCLUDE_PATH=$LAM_ARCH_PATH/include
      MPI_LIBRARY=$LAM_ARCH_PATH/lib/libmpi.so
      MPI_RUN=$LAM_ARCH_PATH/bin/mpirun
      ;;
   MPICH)
      MPI_INCLUDE_PATH=$MPICH_ARCH_PATH/include
      MPI_LIBRARY=$MPICH_ARCH_PATH/lib/libmpich.so
      MPI_RUN=$MPICH_ARCH_PATH/bin/mpirun
      ;;
   *)
      unset INCLUDE_MPI
      ;;
   esac

   if [ "$INCLUDE_MPI" ]; then
      OBJ_ADD="$OBJ_ADD-mpi"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DVTK_USE_MPI=ON"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DPARAVIEW_USE_MPI=ON"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DMPI_INCLUDE_PATH=$MPI_INCLUDE_PATH"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DMPI_LIBRARY=$MPI_LIBRARY"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DVTK_MPIRUN_EXE=$MPI_RUN"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DVTK_MPI_MAX_NUMPROCS=$MPI_MAX_PROCS"
   else
      echo "unknown/unsupported mpi: $WM_MPLIB"
   fi
fi

# set MESA specific options
if [ "$INCLUDE_MESA" = ON ]; then
   MESA_INCLUDE_DIR=/usr/include/GL
   MESA_LIBRARY=/usr/lib$WM_COMPILER_LIB_ARCH/libOSMesa.so

   if [ -d "$MESA_INCLUDE_DIR" -a -f "$MESA_LIBRARY" ]; then
      OBJ_ADD="$OBJ_ADD-mesa"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DVTK_OPENGL_HAS_OSMESA=ON"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DOSMESA_INCLUDE_DIR=$MESA_INCLUDE_DIR"
      CMAKE_VARIABLES="$CMAKE_VARIABLES -DOSMESA_LIBRARY=$MESA_LIBRARY"
   else
      echo "no MESA information found ... skipping"
   fi
fi


# finalize the build/install environment
PARAVIEW_OBJ_DIR=$PARAVIEW_BUILD_DIR/$WM_OPTIONS$OBJ_ADD
PARAVIEW_APP_DIR=$ParaView_INST_DIR/platforms/$WM_OPTIONS$OBJ_ADD

# create paraview build folder
mkdir -p $PARAVIEW_OBJ_DIR
cd $PARAVIEW_OBJ_DIR

#
# make paraview
#

# provide a backdoor to skip cmake for repeated builds
if [ -z "$build_no_cmake" ]
then
   cmake \
      -DCMAKE_INSTALL_PREFIX=$PARAVIEW_APP_DIR \
      $CMAKE_VARIABLES \
      $PARAVIEW_SRC_DIR
fi


if [ -r /proc/cpuinfo ]; then
   WM_NCOMPPROCS=`egrep "^processor" /proc/cpuinfo | wc -l`

   [ $WM_NCOMPPROCS -le 8 ] || WM_NCOMPPROCS=8

   make -j $WM_NCOMPPROCS
else
   make
fi


if [ -e "$PARAVIEW_OBJ_DIR/bin/paraview" ]; then
   echo "Info: Installation completed - proceeding to install"
   make install

   # copy VTK headers to install directory
   echo "Info: Copying VTK headers"
   cp -r $PARAVIEW_SRC_DIR/VTK $PARAVIEW_APP_DIR
   cp -r $PARAVIEW_OBJ_DIR/VTK/vtkConfigure.h $PARAVIEW_APP_DIR/VTK
   cp -r $PARAVIEW_OBJ_DIR/VTK/vtkstd $PARAVIEW_APP_DIR/VTK

   # copy all .so files to the lib folder
   # - NOTE: shouldn't be necessary - but some libs not copied over to the
   # install folder
##   echo "Info: Copying libs"
##   cp $PARAVIEW_OBJ_DIR/bin/*.so* $PARAVIEW_APP_DIR/lib/paraview-$ParaView_VERSION

   echo "Info: Copying ParaViewConfig.cmake"
   cp $PARAVIEW_OBJ_DIR/ParaViewConfig.cmake $PARAVIEW_APP_DIR

   if [ "$OBJ_ADD" ]; then
      echo "Creating symbolic link in $ParaView_INST_DIR/platforms from $WM_OPTIONS$OBJ_ADD to $WM_OPTIONS"
      ( cd $ParaView_INST_DIR/platforms && ln -s $WM_OPTIONS$OBJ_ADD $WM_OPTIONS )
   fi

   echo "Installation complete"
   echo "Set environment variables:"
   echo " - ParaView_DIR to $PARAVIEW_APP_DIR"
   echo " - ParaView_INST_DIR to $PARAVIEW_APP_DIR"
   echo " - PV_PLUGIN_PATH to $FOAM_LIBBIN"
   echo "Add $ParaView_INST_DIR/bin to PATH"
   echo "Add $ParaView_INST_DIR/lib to LD_LIBRARY_PATH"

   echo "done."
else
   echo "*** Error: Installation failed - see output window"
fi

# finalisation
cd $oldpwd

# ----------------------------------------------------------------- end-of-file