diff --git a/configure b/configure
index bccc6a6..ebcce53 100755
--- a/configure
+++ b/configure
@@ -275,7 +275,7 @@ PACKAGE_BUGREPORT=
 ac_unique_file="EPLF"
 ac_unique_file="src/main.irp.f"
 ac_default_prefix=./
-ac_subst_vars='VERSION SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS ROOT LN_S RANLIB ac_ct_RANLIB CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT IRPF90 FC FCFLAGS ac_ct_FC FCFLAGS_F90 LIB LIBOBJS LTLIBOBJS'
+ac_subst_vars='VERSION SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS EPLF_PATH EXE LN_S RANLIB ac_ct_RANLIB CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT WGET PYTHON IRPF90 MPIRUN MPIFC EPLF_HAS_MPI FC FCFLAGS ac_ct_FC FCFLAGS_F90 LIB LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -1305,7 +1305,11 @@ _ACEOF
 
 fi
 
-ROOT=`pwd`
+
+EPLF_PATH=`pwd`
+
+
+EXE=$EPLF_PATH/bin/eplf
 
 
 
@@ -2335,6 +2339,356 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+
+# Check for wget
+for ac_prog in wget
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_WGET+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$WGET"; then
+  ac_cv_prog_WGET="$WGET" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_WGET="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+
+fi
+fi
+WGET=$ac_cv_prog_WGET
+if test -n "$WGET"; then
+  echo "$as_me:$LINENO: result: $WGET" >&5
+echo "${ECHO_T}$WGET" >&6
+else
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$WGET" && break
+done
+
+
+######################################################
+# Define download function
+
+
+######################################################
+# Check for python
+for ac_prog in python
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_PYTHON+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$PYTHON"; then
+  ac_cv_prog_PYTHON="$PYTHON" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_PYTHON="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+
+fi
+fi
+PYTHON=$ac_cv_prog_PYTHON
+if test -n "$PYTHON"; then
+  echo "$as_me:$LINENO: result: $PYTHON" >&5
+echo "${ECHO_T}$PYTHON" >&6
+else
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$PYTHON" && break
+done
+
+if [ -z $PYTHON ] ; then
+  { { echo "$as_me:$LINENO: error: Python should be installed:
+  http://www.python.org" >&5
+echo "$as_me: error: Python should be installed:
+  http://www.python.org" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+######################################################
+# IRPF90 compiler
+for ac_prog in irpf90
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_IRPF90+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$IRPF90"; then
+  ac_cv_prog_IRPF90="$IRPF90" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_IRPF90="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+
+fi
+fi
+IRPF90=$ac_cv_prog_IRPF90
+if test -n "$IRPF90"; then
+  echo "$as_me:$LINENO: result: $IRPF90" >&5
+echo "${ECHO_T}$IRPF90" >&6
+else
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$IRPF90" && break
+done
+
+if [ -z $IRPF90 ] ; then
+  {
+ # AC_DOWNLOAD ( VARIABLE, name, url )
+ WHERE=
+ if [ ! -z $WGET ] ; then
+   echo ""
+   echo "**************************"
+   echo IRPF90 is not installed
+   echo "**************************"
+   echo "Do you want to download it?"
+   select x in yes no
+   do
+    if [ ! -z $x ] ; then
+      break
+    fi
+   done
+   if [ $x == yes ] ; then
+      if [ ! -d "Downloads" ] ; then
+        mkdir $EPLF_PATH/Downloads
+      fi
+      cd $EPLF_PATH/Downloads
+      mkdir $EPLF_PATH/Downloads/tmp
+      cd $EPLF_PATH/Downloads/tmp
+      wget -nc "http://sourceforge.net/projects/irpf90/files/latest" && WHERE=`ls -tr | tail -1`
+      mv * $EPLF_PATH/Downloads
+      cd $EPLF_PATH/Downloads
+      rm -rf tmp
+      cd $EPLF_PATH
+   fi
+   if [ ! -z $WHERE ] ; then
+      echo IRPF90 was downloaded to Downloads/$WHERE.
+      IRPF90=1
+   else
+      { { echo "$as_me:$LINENO: error: IRPF90 should be installed. You can download it at
+    http://sourceforge.net/projects/irpf90/files/latest" >&5
+echo "$as_me: error: IRPF90 should be installed. You can download it at
+    http://sourceforge.net/projects/irpf90/files/latest" >&2;}
+   { (exit 1); exit 1; }; }
+   fi
+ else
+    { { echo "$as_me:$LINENO: error: Please download IRPF90 at
+    http://sourceforge.net/projects/irpf90/files/latest" >&5
+echo "$as_me: error: Please download IRPF90 at
+    http://sourceforge.net/projects/irpf90/files/latest" >&2;}
+   { (exit 1); exit 1; }; }
+ fi
+}
+  { { echo "$as_me:$LINENO: error: Install IRPF90 and run this configure script again." >&5
+echo "$as_me: error: Install IRPF90 and run this configure script again." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+######################################################
+# EZFIO
+EZFIO=`ls EZFIO*.tar.gz | tail -1`
+if [ -z $EZFIO ] ; then
+  {
+ # AC_DOWNLOAD ( VARIABLE, name, url )
+ WHERE=
+ if [ ! -z $WGET ] ; then
+   echo ""
+   echo "**************************"
+   echo EZFIO is not installed
+   echo "**************************"
+   echo "Do you want to download it?"
+   select x in yes no
+   do
+    if [ ! -z $x ] ; then
+      break
+    fi
+   done
+   if [ $x == yes ] ; then
+      if [ ! -d "Downloads" ] ; then
+        mkdir $EPLF_PATH/Downloads
+      fi
+      cd $EPLF_PATH/Downloads
+      mkdir $EPLF_PATH/Downloads/tmp
+      cd $EPLF_PATH/Downloads/tmp
+      wget -nc "http://sourceforge.net/projects/ezfio/files/latest" && WHERE=`ls -tr | tail -1`
+      mv * $EPLF_PATH/Downloads
+      cd $EPLF_PATH/Downloads
+      rm -rf tmp
+      cd $EPLF_PATH
+   fi
+   if [ ! -z $WHERE ] ; then
+      echo EZFIO was downloaded to Downloads/$WHERE.
+      EZFIO=1
+   else
+      { { echo "$as_me:$LINENO: error: EZFIO should be installed. You can download it at
+    http://sourceforge.net/projects/ezfio/files/latest" >&5
+echo "$as_me: error: EZFIO should be installed. You can download it at
+    http://sourceforge.net/projects/ezfio/files/latest" >&2;}
+   { (exit 1); exit 1; }; }
+   fi
+ else
+    { { echo "$as_me:$LINENO: error: Please download EZFIO at
+    http://sourceforge.net/projects/ezfio/files/latest" >&5
+echo "$as_me: error: Please download EZFIO at
+    http://sourceforge.net/projects/ezfio/files/latest" >&2;}
+   { (exit 1); exit 1; }; }
+ fi
+}
+  if [ -z $EZFIO ] ; then
+    { { echo "$as_me:$LINENO: error: Download EZFIO.tar.gz into $PWD and run this configure script again." >&5
+echo "$as_me: error: Download EZFIO.tar.gz into $PWD and run this configure script again." >&2;}
+   { (exit 1); exit 1; }; }
+  fi
+  mv Downloads/EZFIO*.tar.gz .
+fi
+
+######################################################
+# Check for MPI
+EPLF_HAS_MPI=0
+if [ -z "$STATIC" ] ; then
+  for ac_prog in mpirun mpiexec
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_MPIRUN+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$MPIRUN"; then
+  ac_cv_prog_MPIRUN="$MPIRUN" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_MPIRUN="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+
+fi
+fi
+MPIRUN=$ac_cv_prog_MPIRUN
+if test -n "$MPIRUN"; then
+  echo "$as_me:$LINENO: result: $MPIRUN" >&5
+echo "${ECHO_T}$MPIRUN" >&6
+else
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$MPIRUN" && break
+done
+
+  if [ ! -z $MPIRUN ] ; then
+    MPIRUN=`which $MPIRUN`
+  fi
+
+  for ac_prog in mpif90
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_MPIFC+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$MPIFC"; then
+  ac_cv_prog_MPIFC="$MPIFC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_MPIFC="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+
+fi
+fi
+MPIFC=$ac_cv_prog_MPIFC
+if test -n "$MPIFC"; then
+  echo "$as_me:$LINENO: result: $MPIFC" >&5
+echo "${ECHO_T}$MPIFC" >&6
+else
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$MPIFC" && break
+done
+
+  if [ -z $MPIFC ] ; then
+    echo "**************************"
+    echo "Warning: MPI not found. You can get OpenMPI at:"
+    echo "http://www.open-mpi.org/software/ompi/v1.4/downloads/openmpi-1.4.1.tar.gz"
+    echo "**************************"
+  else
+    EPLF_HAS_MPI=1
+  fi
+fi
+
+
+
+
 # Test if Static zlib is present
 # ------------------------------
 
@@ -2412,52 +2766,6 @@ fi
 STATIC_LIB="../EZFIO/lib/libezfio_irp.a"
 SHARED_LIB="-L../EZFIO/lib -lezfio"
 
-# Test IRPF90
-# ------------
-
-# Extract the first word of "irpf90", so it can be a program name with args.
-set dummy irpf90; ac_word=$2
-echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
-if test "${ac_cv_prog_IRPF90+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if test -n "$IRPF90"; then
-  ac_cv_prog_IRPF90="$IRPF90" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
-  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_prog_IRPF90="yes"
-    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-done
-
-  test -z "$ac_cv_prog_IRPF90" && ac_cv_prog_IRPF90="no"
-fi
-fi
-IRPF90=$ac_cv_prog_IRPF90
-if test -n "$IRPF90"; then
-  echo "$as_me:$LINENO: result: $IRPF90" >&5
-echo "${ECHO_T}$IRPF90" >&6
-else
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-fi
-
-if [ $IRPF90 = no ] ; then
-  { { echo "$as_me:$LINENO: error: Please install IRPF90:\nhttp://irpf90.sourceforge.net" >&5
-echo "$as_me: error: Please install IRPF90:\nhttp://irpf90.sourceforge.net" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-IRPF90=`which irpf90`
-
 # Test Fortran
 # ------------
 
@@ -2558,7 +2866,7 @@ fi
 
 
 # Provide some information about the compiler.
-echo "$as_me:2561:" \
+echo "$as_me:2869:" \
      "checking for Fortran compiler version" >&5
 ac_compiler=`set X $ac_compile; echo $2`
 { (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
@@ -2898,7 +3206,7 @@ case $FC in
        fi
        ;;
     gfortran*)
-       FCFLAGS="O3 -ffast-math"
+       FCFLAGS="-O3 -ffast-math"
        if test $STATIC == 0 ; then
          FCFLAGS="$FCFLAGS -static-libgcc -static"
        fi
@@ -2917,7 +3225,7 @@ else
 =====================================================
 
   Using shared library. Add
-   $ROOT/EZFIO/lib/
+   $EPLF_PATH/EZFIO/lib/
   to the LD_LIBRARY_PATH environment variable.
 
 =====================================================
@@ -2926,7 +3234,7 @@ echo "$as_me: WARNING:
 =====================================================
 
   Using shared library. Add
-   $ROOT/EZFIO/lib/
+   $EPLF_PATH/EZFIO/lib/
   to the LD_LIBRARY_PATH environment variable.
 
 =====================================================
@@ -2934,6 +3242,22 @@ echo "$as_me: WARNING:
 fi
 
 
+cd $EPLF_PATH
+echo "export EPLF_PATH=$EPLF_PATH" > $HOME/.eplfrc
+echo "export LD_LIBRARY_PATH=\$EPLF_PATH/EZFIO/lib/:\$LD_LIBRARY_PATH" >> $HOME/.qmcchemrc
+echo "export PATH=\$PATH:\$EPLF_PATH/bin/" >> $HOME/.eplfrc
+echo "export PATH=\$PATH:\$EPLF_PATH/scripts/" >> $HOME/.eplfrc
+echo "export EPLF_HAS_MPI=$EPLF_HAS_MPI" >> $HOME/.eplfrc
+echo "export EPLF_MPIRUN=$MPIRUN" >> $HOME/.eplfrc
+echo "************************************"
+echo "To finish the installation:"
+echo "1) Add the following line to your $HOME/.basrhc file:"
+echo ". $HOME/.eplfrc"
+echo "2) Execute"
+echo ". $HOME/.eplfrc"
+echo "make"
+echo "************************************"
+
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -3569,7 +3893,8 @@ s,@ECHO_C@,$ECHO_C,;t t
 s,@ECHO_N@,$ECHO_N,;t t
 s,@ECHO_T@,$ECHO_T,;t t
 s,@LIBS@,$LIBS,;t t
-s,@ROOT@,$ROOT,;t t
+s,@EPLF_PATH@,$EPLF_PATH,;t t
+s,@EXE@,$EXE,;t t
 s,@LN_S@,$LN_S,;t t
 s,@RANLIB@,$RANLIB,;t t
 s,@ac_ct_RANLIB@,$ac_ct_RANLIB,;t t
@@ -3580,7 +3905,12 @@ s,@CPPFLAGS@,$CPPFLAGS,;t t
 s,@ac_ct_CC@,$ac_ct_CC,;t t
 s,@EXEEXT@,$EXEEXT,;t t
 s,@OBJEXT@,$OBJEXT,;t t
+s,@WGET@,$WGET,;t t
+s,@PYTHON@,$PYTHON,;t t
 s,@IRPF90@,$IRPF90,;t t
+s,@MPIRUN@,$MPIRUN,;t t
+s,@MPIFC@,$MPIFC,;t t
+s,@EPLF_HAS_MPI@,$EPLF_HAS_MPI,;t t
 s,@FC@,$FC,;t t
 s,@FCFLAGS@,$FCFLAGS,;t t
 s,@ac_ct_FC@,$ac_ct_FC,;t t
diff --git a/configure.ac b/configure.ac
index 2c3ec08..102f831 100644
--- a/configure.ac
+++ b/configure.ac
@@ -114,7 +114,7 @@ fi
 
 ######################################################
 # EZFIO
-EZFIO=`ls EZFIO*.tar.gz`
+EZFIO=`ls EZFIO*.tar.gz | tail -1`
 if [[ -z $EZFIO ]] ; then
   AC_DOWNLOAD([EZFIO],[EZFIO],[http://sourceforge.net/projects/ezfio/files/latest])
   if [[ -z $EZFIO ]] ; then