diff --git a/build-specs/Frameworks/prison-AndroidQt5.11.yaml b/build-specs/Frameworks/prison-AndroidQt5.11.yaml
new file mode 100644
index 0000000..5605776
--- /dev/null
+++ b/build-specs/Frameworks/prison-AndroidQt5.11.yaml
@@ -0,0 +1,2 @@
+kf5-qt5:
+  "externalDependencies": "/opt/helpers/build-cmake libqrencode https://github.com/fukuchi/libqrencode.git -DWITH_TOOLS=OFF"
diff --git a/local-metadata/project-ignore-rules.yaml b/local-metadata/project-ignore-rules.yaml
index 4c9c1a2..6a96a2b 100644
--- a/local-metadata/project-ignore-rules.yaml
+++ b/local-metadata/project-ignore-rules.yaml
@@ -1,65 +1,64 @@
 'SUSEQt5.9':
 - 'kdesupport/qca'
 
 'SUSEQt5.10':
 - 'kdesupport/qca'
 
 'SUSEQt5.11':
 - 'kdesupport/qca'
 
 'WindowsMSVCQt5.11':
 - 'kdesupport/polkit-qt-1'
 - 'kdesupport/qca'
 - 'frameworks/networkmanager-qt'
 - 'frameworks/modemmanager-qt'
 - 'frameworks/bluez-qt'
 - 'frameworks/prison'
 - 'frameworks/kdesu'
 - 'frameworks/kpty'
 - 'frameworks/kwayland'
 - 'frameworks/kactivities-stats'
 - 'kde/workspace/libksysguard'
 - 'kde/kdenetwork/kaccounts-integration'
 
 'FreeBSDQt5.11':
 - 'kdesupport/polkit-qt-1'
 - 'frameworks/networkmanager-qt'
 - 'frameworks/modemmanager-qt'
 - 'kde/workspace/plymouth-kcm'
 - 'kde/workspace/plasma-nm'
 - 'kde/workspace/powerdevil'
 - 'kde/workspace/plasma-vault'
 - 'kde/kdeedu/marble'
 - 'kde/kdegraphics/libs/libkgeomap'
 - 'kde/kdenetwork/kio-extras'
 
 'AndroidQt5.11':
 - 'frameworks/polkit-qt-1' # requires glib2
 - 'frameworks/kwallet' # requires gpgme
 - 'frameworks/kactivities' # requires boost
 - 'frameworks/kactivities-stats' # requires boost
 - 'frameworks/khtml' # requires kio
 - 'frameworks/kdelibs4support' # requires kio
 - 'frameworks/baloo' #kfilemetadata
 - 'frameworks/modemmanager-qt'
 - 'frameworks/networkmanager-qt'
 - 'frameworks/purpose' # requires kio
 - 'frameworks/breeze-icons' # shouldn't be installed like we do for xdg, we have an ad-hoc solution in kirigami
 
 - 'frameworks/kjs' # looks like we need to switch to clang for this one >> https://github.com/android-ndk/ndk/issues/442
 - 'frameworks/kpty' # Doesn't build, didn't investigate: kpty.cpp:587:35: error: 'getsid' was not declared in this scope
 - 'frameworks/kdesu' # requires kpty
 - 'frameworks/plasma-framework' # requires kactivities
 - 'frameworks/krunner' # requires plasma
 - 'frameworks/kwayland' # requires wayland
 - 'frameworks/kdoctools' # not very useful for Android
 - 'frameworks/kjsembed' # requires kjs
 - 'frameworks/kdesignerplugin' # requires kdoctools
 - 'frameworks/kdewebkit' # we don't have QtWebKitWidgets on the image
 
 # to look into:
-- 'frameworks/prison' # Needs qrencode and dmtx
 - 'kde/kdegames/libkdegames' # needs openal
 - 'kde/kdegraphics/libs/libkexiv2' #has exiv2 external dependency
 - 'frameworks/kfilemetadata' # FIXME needs #include <sys/xattr.h> which can't be found ATM
 - 'kde/pim/kcalcore' # libical master doesn't build
diff --git a/system-images/android/sdk/build-generic b/system-images/android/sdk/build-generic
index 4094f39..79da3dc 100755
--- a/system-images/android/sdk/build-generic
+++ b/system-images/android/sdk/build-generic
@@ -1,83 +1,98 @@
 #!/bin/bash
 set -e
 # trap 'err_report echo "error: ${BASH_SOURCE}":"${LINENO}"' exit 1
 
+function buildExternalDependencies
+{
+    deps=$(python3 ci-tooling/helpers/getsetting.py --project $1 --product $2 --platform AndroidQt5.11 --key externalDependencies)
+    if [[ "$deps" ]]; then
+        echo "running: $deps"
+        $deps
+    else
+        echo "No dependencies"
+    fi
+}
+
 package=$1
 shift
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 export PATH=$DIR:$PATH
 export PERSIST=1
 
 # we get the repositories for the dependencies
 git clone kde:sysadmin/ci-tooling || true
 pushd ci-tooling
 git clone kde:sysadmin/repo-metadata || true
 git clone kde:kde-build-metadata || true
 popd
 
 # we figure out the dependencies
 all_packages=$(python3 ci-tooling/helpers/list-dependencies.py $package $EXTRA_PKGS --platform AndroidQt5.11)
 echo "Dependencies to build: $all_packages"
 
 blacklist="`cat $DIR/skip` $SKIP $package"
 for a in $extrapackages $all_packages $EXTRA_PKGS
 do
     skip=0
     for x in $blacklist
     do
         if [[ $a =~ ^$x$ ]]; then
             skip=1
             break
         fi
     done
     if [ $skip == 1 ]; then
         echo "Skipping $a $skip"
         continue
     fi
 
+    buildExternalDependencies $a Frameworks
+
     arguments=$(python3 ci-tooling/helpers/getsetting.py --project $a --product Frameworks --platform AndroidQt5.11 --key cmake-options)
     build-cmake $a kde:$a $arguments -DBUILD_TESTING=OFF -GNinja $EXTRA
 done
 
 # we now do the actual application separately
 
 # first we download the project and look for the manifest file
 pushd src
 git clone kde:$package $APP_GIT_EXTRA || true
 popd
 manifestFile=`find $(pwd)/src/$package -name AndroidManifest.xml`
 
 targetname=$(python3 ci-tooling/helpers/getsetting.py --project $package --product Applications --platform AndroidQt5.11 --key target-name || true)
 if [[ -z "$targetname" && -n "$manifestFile" ]]
 then
     targetname=`python3 $DIR/target-from-manifest.py $manifestFile | tr '\n' ';' | head -c -1`
     EXTRA+=" "-DANDROID_APK_DIR=$(dirname $manifestFile | tr '\n' ';' | head -c -1 )
 fi
 
 if [[ -z "$targetname" || "$targetname" =~ ".*%%.*" ]]
 then
     appdataFile=$(find $(pwd)/src/$package -name "*.appdata.xml")
     if [[ -z "$appdataFile" ]]; then
         echo "error: No AndroidManifest.xml or *.appdata.xml file :("
         exit 1
     fi
     targetname=`python3 $DIR/target-from-appdata.py $appdataFile | tr '\n' ';' | head -c -1`
 fi
-arguments=$(python3 ci-tooling/helpers/getsetting.py --project $package --product Applications --platform AndroidQt5.11 --key cmake-options)
 
+buildExternalDependencies $package Applications
+
+arguments=$(python3 ci-tooling/helpers/getsetting.py --project $package --product Applications --platform AndroidQt5.11 --key cmake-options)
 build-cmake $package kde:$package -DQTANDROID_EXPORTED_TARGET=$targetname $EXTRA $arguments $@
 pushd build/$package
 
 if [ -f /keys/${package}keystore-config ]; then
     ARGS="`cat /keys/${package}keystore-config` $ARGS" make create-apk
 elif [ -f /keys/androidkeystore-config ]; then
     ARGS="`cat /keys/androidkeystore-config` $ARGS" make create-apk
 else
     make create-apk
 fi
 
 if [ -d /output ]
 then
     cp *_build_apk/build/outputs/apk/*.apk /output
 fi