diff --git a/build/libcvextern.sh b/build/libcvextern.sh
new file mode 100644
index 0000000..e79e0df
--- /dev/null
+++ b/build/libcvextern.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+#
+# Script to build the libcvextern.so
+# Can be run outside UVtools and as standard alone script
+# Then run this script
+# usage 1: ./libcvextern.sh clean
+# usage 2: ./libcvextern.sh -i
+# usage 3: ./libcvextern.sh 
+#
+cd "$(dirname "$0")"
+directory="emgucv"
+osVariant=""
+
+for lastArg in $@; do :; done # Get last argument
+
+if [[ $lastArg == "clean" ]]; then
+    echo "Cleaning $directory directory"
+    rm -rf "$directory" 2>/dev/null
+    exit
+fi
+
+installDependencies=false
+while getopts 'i' flag; do
+  case "${flag}" in
+    i) installDependencies=true ;;
+    *) echo "Usage:"
+        echo "clean Cleans the emgucv folder and it's contents"
+        echo "-i    Install all the dependencies to build libcvextern"
+        exit 1 ;;
+  esac
+done
+
+echo "Script to build libcvextern.so|dylib"
+
+echo "- Detecting OS"
+[ "$installDependencies" == true ] && echo "- Installing all the dependencies"
+if [[ $OSTYPE == 'darwin'* ]]; then
+    osVariant="macOS"
+    if [ installDependencies == true ]; then
+        /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
+        brew analytics off
+        brew install git cmake mono mono-libgdiplus
+        brew install --cask dotnet
+    fi
+elif command -v apt-get &> /dev/null
+then
+    osVariant="debian"
+    if [ "$installDependencies" == true ]; then
+        sudo apt-get update
+        sudo apt-get -y install build-essential libgtk-3-dev libgstreamer1.0-dev libavcodec-dev libswscale-dev libavformat-dev libdc1394-22-dev libv4l-dev cmake-curses-gui ocl-icd-dev freeglut3-dev libgeotiff-dev libusb-1.0-0-dev
+        sudo apt-get install -y apt-transport-https
+        sudo apt-get update
+        sudo apt-get install -y dotnet-sdk-6.0
+    fi
+elif command -v pacman &> /dev/null
+then
+    osVariant="arch"
+    if [ "$installDependencies" == true ]; then
+        sudo pacman -Syu
+        sudo pacman -S base-devel git cmake msbuild gtk3 gstreamer ffmpeg libdc1394 v4l-utils ocl-icd freeglut libgeotiff libusb dotnet-sdk
+    fi
+elif command -v yum &> /dev/null
+then
+    osVariant="rhel"
+    if [ "$installDependencies" == true ]; then
+        sudo yum update -y
+        sudo yum install -y https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm
+        sudo yum install -y https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
+        sudo yum install -y libjpeg-devel libjpeg-turbo-devel libpng-devel libgeotiff-devel libdc1394-devel ffmpeg-devel tbb-devel mesa-libGL wget dotnet-sdk-6.0
+    fi
+fi
+
+echo "- Checks"
+if ! command -v git &> /dev/null
+then
+    echo "Error: git not installed. Please re-run this script with -r flag."
+    exit -1
+fi
+
+if [ -z "$osVariant" ]; then
+    echo "Error: Unable to detect your Operative System."
+    exit -1
+fi
+
+if [ ! -d "$directory" ]; then
+    git clone https://github.com/emgucv/emgucv "$directory"
+    cd "$directory"
+    git submodule update --init --recursive
+else
+    cd "$directory"
+fi
+
+echo "- Bulding"
+if [ osVariant == "macOS" ]; then
+    cd platforms/macos
+    ./configure
+else
+    cd platforms/ubuntu/20.04
+    ./cmake_configure
+fi
+
+echo "Completed - Check for errors but also for libcvextern presence on $directory/libs"