no message

Vagrantfile

@@ -1,6 +1,6 @@
 Vagrant.configure("2") do |config|
-  config.vm.box = "bento/ubuntu-14.04"
-  config.vm.box_version = "201808.24.0"
+  config.vm.box = "bento/ubuntu-16.04"
+  config.vm.box_version = "202012.23.0"
   config.vm.synced_folder ".", "/vagrant", type: "rsync"
   config.vm.provider "virtualbox" do |vb|
     vb.memory = "2048"

install-ffmpeg

@@ -252,7 +252,7 @@ PKG_CONFIG_PATH+=":/usr/local/share/pkgconfig:/usr/lib/x86_64-linux-gnu/pkgconfi
 export PKG_CONFIG_PATH
 
 buildEssentialLib() {
-  sudo apt-get install build-essential autoconf m4 libtool curl pkg-config cmake lv2-dev lilv-utils -y
+  sudo apt-get install build-essential autoconf m4 libtool curl pkg-config cmake  -y
   echo "building Essential Lib"
   echo "======================="
   if [ "$useGitLib" -eq 1 ]; then
@@ -284,6 +284,7 @@ fi
 
 if ! command_exists "python"; then
   echo "Python command not found. Lv2 filter will not be available."
+  exit 1
 fi
 
 ##