diff --git a/rdsn b/rdsn
index 6f7da7635b..a9479d629d 160000
--- a/rdsn
+++ b/rdsn
@@ -1 +1 @@
-Subproject commit 6f7da7635b97c204b24acbf3a76fd71f96ba5df3
+Subproject commit a9479d629d2dc36ebe0c2d25230dd4713f9cd085
diff --git a/scripts/pack_common.sh b/scripts/pack_common.sh
index 63c6cf78a9..e8c896f84e 100755
--- a/scripts/pack_common.sh
+++ b/scripts/pack_common.sh
@@ -17,9 +17,16 @@ function get_stdcpp_lib()
     libname=`echo $libname | cut -f1 -d" "`
     if [ $1 = "true" ]; then
         gcc_path=`which gcc`
-        echo `dirname $gcc_path`/../lib64/$libname
+        echo `dirname $gcc_path`/../lib64/$libname #TODO need fix
     else
-        echo `ldconfig -p|grep $libname|awk '{print $NF}'`
+        libs=(`ldconfig -p|grep $libname|awk '{print $NF}'`)
+
+        for lib in ${libs[*]}; do
+            if [ "`check_bit $lib`" = "true" ]; then
+                echo "$lib"
+                return
+            fi
+        done;
     fi
 }
 
@@ -28,7 +35,15 @@ function get_system_lib()
 {
     libname=`ldd ./DSN_ROOT/bin/pegasus_$1/pegasus_$1 2>/dev/null | grep "lib${2}\.so"`
     libname=`echo $libname | cut -f1 -d" "`
-    echo `ldconfig -p|grep $libname|awk '{print $NF}'`
+    libs=(`ldconfig -p|grep $libname|awk '{print $NF}'`)
+
+    bit_mode=`getconf LONG_BIT`
+    for lib in ${libs[*]}; do
+        if [ "`check_bit $lib`" = "true" ]; then
+            echo "$lib"
+            return
+        fi
+    done;
 }
 
 #USAGE: copy_file src [src...] dest
@@ -45,3 +60,23 @@ function copy_file()
     fi
 }
 
+function check_bit()
+{
+    bit_mode=`getconf LONG_BIT`
+    lib=$1
+    check_bit=""
+    is_softlink=`file $lib | grep "symbolic link"`
+    
+    if [ -z "$is_softlink" ]; then
+        check_bit=`file $lib |grep "$bit_mode-bit"`
+    else
+        real_lib_name=`ls -l $lib |awk '{print $NF}'`
+        lib_path=${lib%/*} 
+        real_lib=${lib_path}"/"${real_lib_name}
+        check_bit=`file $real_lib |grep "$bit_mode-bit"`
+    fi
+    if [ -n "$check_bit" ]; then
+        echo "true"
+    fi
+}
+