diff --git a/install/addsonpatch.sh b/install/addsonpatch.sh
new file mode 100755
index 000000000..6cc37d3f7
--- /dev/null
+++ b/install/addsonpatch.sh
@@ -0,0 +1,65 @@
+#!/bin/bash
+# PATCH SCRIPT FOR QE Makefiles with addson
+#
+
+# this script needs to be launched from the root directory of the host code
+# two arguments are neede where the addson source code is and
+# where the source code has to be linked in order to be
+# compiled by QE
+
+# This script has been adapted from an original patch script
+# of plumed (www.plumed-code.org)
+
+destination="$PWD"
+echo "root directory of host package: $destination"
+
+LINKED_FILES="$1/*.f90"
+WHERE_LINKS="$2/"
+
+echo "LINKED_FILES are: $LINKED_FILES"
+echo "WHERE_LINKS are: $WHERE_LINKS"
+
+function to_do_before_patch () {
+  echo > /dev/null
+}
+
+function to_do_after_patch () {
+  {
+    echo -n "ADDSON_OBJECTS="
+    for file in $destination/$LINKED_FILES
+      do f=${file##*/}
+      echo " \\"
+      echo -n "	${f%.f90}.o"
+    done
+    echo
+    echo -n "ADDSON_SRC="
+    for file in $destination/$LINKED_FILES
+      do f=${file##*/}
+      echo " \\"
+      echo -n "	${f%.f90}.f90"
+    done
+    echo
+    echo
+  } > $destination/$WHERE_LINKS/ADDSON.inc
+  cp $destination/make.sys $destination/make.sys.original
+}
+
+function to_do_before_revert () {
+  rm $destination/$WHERE_LINKS/addson.inc
+}
+
+function to_do_after_revert () {
+  echo > /dev/null
+  mv $destination/make.sys.original $destination/make.sys
+}
+
+#########
+
+NAME="$0"
+echo "NAME $NAME "
+if test -e $destination/install/addsontool.sh ; then
+  source $destination/install/addsontool.sh
+else
+  echo "missing file addsontool.sh in install directory"
+  EXIT
+fi
diff --git a/install/addsontool.sh b/install/addsontool.sh
new file mode 100755
index 000000000..6594af853
--- /dev/null
+++ b/install/addsontool.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+
+# everything is performed in the destination directory
+cd "$destination"
+
+if [ "$#" -eq 0 ];
+then
+ echo "USAGE :"
+ echo "$NAME  WHERE_SOURCE WHERE_LINKS (-patch) (-revert)   "
+ echo "WHERE_SOURCE is the relative path to the sources of the Addson code "
+ echo "WHERE_LINKS is the relative path to the QE directory where the addson sources have to be linked"
+ echo " -patch  : apply patch to Makefiles " 
+ echo " -revert : revert Makefiles to original "
+ echo " )"
+ exit
+fi
+
+case "$3" in
+(-patch)
+  echo "* I will try to patch needed files for integrated compilation ..."
+  
+#-------------------
+
+  to_do_before_patch
+
+  echo "-- Setting up symlinks"
+  for file in $destination/$LINKED_FILES ; do
+    base="${file##*/}"
+    if test -e $destination/$WHERE_LINKS/$base ; then
+      echo "PATCH ERROR: file $base is already in $WHERE_LINKS"
+      exit 1
+    fi
+    ln -s $file $destination/$WHERE_LINKS/$base
+  done
+
+  echo "-- Executing post script"
+  to_do_after_patch
+
+  echo "- DONE!"
+;;
+(-revert)
+  echo "* I will try to revert ..."
+  echo "-- Executing pre script"
+
+  to_do_before_revert
+
+
+  echo "-- Removing symlinks"
+  for file in $destination/$LINKED_FILES ; do
+    base="${file##*/}"
+    if test -e $destination/$WHERE_LINKS/$base ; then
+      rm $destination/$WHERE_LINKS/$base 
+    else
+      echo "where_links base: destination$WHERE_LINKS/$base"
+      echo "PATCH WARNING: file $base is not in $destination/$WHERE_LINKS"
+    fi
+  done
+
+
+
+  echo "-- Restoring .original files"
+  PREADDSON=$(find . -name "*.original")
+  if ! test "$PREADDSON" ; then
+    echo "-- I cannot find any .original file"
+    echo "* ABORT"
+    exit
+  fi
+
+
+  echo "-- Executing post script"
+  to_do_after_revert
+
+  echo "* DONE!"
+;;
+(*)
+  echo "Missing input argument"
+esac