#!/bin/bash

if [ ! -d  $SIMPATH/tools/geant4_vmc ];
then
  cd $SIMPATH/transport
  if [ ! -e geant4_vmc.$GEANT4VMC_VERSION.tar.gz ];
  then
    echo "*** Downloading geant4_vmc sources ***"
    download_file $GEANT4VMC_LOCATION/geant4_vmc.$GEANT4VMC_VERSION.tar.gz
  fi
  untar geant4_vmc geant4_vmc.$GEANT4VMC_VERSION.tar.gz
fi
                 
install_prefix=$SIMPATH_INSTALL
checkfile=$install_prefix/lib/libgeant4vmc.so

if (not_there Geant4_VMC $checkfile);
then

  cd $SIMPATH/transport/geant4_vmc
  
  cd $SIMPATH/transport/geant4_vmc/g4root
  make -j$number_of_processes

  cd $SIMPATH/transport/geant4_vmc/source
  cp $SIMPATH/transport/Makefile_geant4vmc Makefile

  make -j$number_of_processes

  # fake make install
  architecture=$(root-config --arch)
  cd $SIMPATH/transport/geant4_vmc/lib/tgt_$architecture
  mkdir -p $install_prefix/lib
  cp * $install_prefix/lib 
  cd $SIMPATH/transport/geant4_vmc/include
  mkdir -p $install_prefix/include/geant4vmc
  cp g4root/* $install_prefix/include/geant4vmc
  cp geant4vmc/* $install_prefix/include/geant4vmc
  mkdir -p $install_prefix/share/geant4_vmc/macro
  cp $SIMPATH/transport/macro/* $install_prefix/share/geant4_vmc/macro

  if [ "$platform" = "macosx" ];
  then
    cd $install_prefix/lib
    create_links dylib so
  fi

  check_success Geant4_VMC $checkfile
  check=$?

  check_all_libraries $install_prefix/lib

fi

if [ "$platform" = "macosx" ];
then
  export DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH:$SIMPATH/transport/geant4_vmc/lib/
else
  export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SIMPATH/transport/geant4_vmc/lib/
fi

cd $SIMPATH

return 1