diff --git a/config/functions b/config/functions
index 793ba089ca..85579cf4de 100644
--- a/config/functions
+++ b/config/functions
@@ -1155,6 +1155,8 @@ done
 }
 
 install_addon_files() {
+  mkdir -p "$1"
+
   install_addon_source "$1"
   install_addon_images "$1"
   create_addon_xml "$1"
@@ -1262,7 +1264,7 @@ pkg_lock() {
 
   # As we now have the lock, if .failed still exists then a previous process must have failed
   if [ -f "${THREAD_CONTROL}/locks/${pkg}.${task}.failed" ]; then
-    fail_seq="$(cat "${THREAD_CONTROL}/locks/${pkg}.${task}.failed")"
+    fail_seq="$(< "${THREAD_CONTROL}/locks/${pkg}.${task}.failed")"
     print_color CLR_ERROR "FAILURE: ${pkg}.${task}.failed exists, a previous dependency process has failed (seq: ${fail_seq})\n"
     if [ -d "${THREAD_CONTROL}/logs" ]; then
 cat <<EOF
@@ -1320,15 +1322,18 @@ update_dashboard() {
 
   sedline=$((MTJOBID + 2))
 
-  num=$(cat "${THREAD_CONTROL}/status" | wc -l)
-  while [ ${num} -lt ${sedline} ]; do echo "" >>"${THREAD_CONTROL}/status"; num=$((num + 1)); done
+  num=$(< "${THREAD_CONTROL}/status.max")
+  if [ ${num} -lt ${sedline} ]; then
+    echo ${sedline} >"${THREAD_CONTROL}/status.max"
+    for i in $(seq $((num + 1)) ${sedline}); do echo "" >>"${THREAD_CONTROL}/status"; done
+  fi
 
-  num=$(($(cat "${THREAD_CONTROL}/progress.prev") + 1))
+  num=$(< "${THREAD_CONTROL}/progress.prev")
   projdevarch="${PROJECT}/"
   [ -n "${DEVICE}" ] && projdevarch+="${DEVICE}/"
   projdevarch+="${TARGET_ARCH}"
   TZ=UTC0 printf -v elapsed "%(%H:%M:%S)T" $(($(date +%s) - MTBUILDSTART))
-  printf -v preamble "%s Dashboard (%s) - %d of %d jobs completed, %s elapsed" "${DISTRONAME}" "${projdevarch}" ${num} ${MTMAXJOBS} "${elapsed}"
+  printf -v preamble "%s Dashboard (%s) - %d of %d jobs completed, %s elapsed" "${DISTRONAME}" "${projdevarch}" $((num + 1)) ${MTMAXJOBS} "${elapsed}"
   printf -v preamble "%b%-105s %s" "\e[2J\e[0;0H" "${preamble//\//\\/}" "$(date "+%Y-%m-%d %H:%M:%S")"
 
   if [ "${DISABLE_COLORS}" != "yes" ]; then
diff --git a/config/multithread b/config/multithread
index cb96bfa574..ca389cddbe 100644
--- a/config/multithread
+++ b/config/multithread
@@ -107,8 +107,9 @@ package_worker() {
   (
     flock --exclusive 95
     [ ${result} -eq 0 ] && status="DONE" || status="FAIL"
-    num=$(($(cat "${THREAD_CONTROL}/progress") + 1))
+    num=$(< "${THREAD_CONTROL}/progress")
     mv "${THREAD_CONTROL}/progress" "${THREAD_CONTROL}/progress.prev"
+    num=$((num + 1))
     echo ${num} >"${THREAD_CONTROL}/progress"
     printf "[%0*d/%0*d] [%-4s] %-7s %s\n" ${#jobs} ${num} ${#jobs} ${jobs} "${status}" "${task}" "${pkgname}" >&2
   ) 95>"${THREAD_CONTROL}/locks/.progress"
@@ -143,6 +144,7 @@ start_multithread_build() {
   mkdir -p "${THREAD_CONTROL}/locks"
   echo -1 >"${THREAD_CONTROL}/progress.prev"
   echo 0 >"${THREAD_CONTROL}/progress"
+  echo 0 >"${THREAD_CONTROL}/status.max"
   touch "${THREAD_CONTROL}/status"
 
   [ "${THREADCOUNT}" = "0" ] && THREADCOUNT=1
diff --git a/packages/addons/addon-depends/network-tools-depends/udpxy/package.mk b/packages/addons/addon-depends/network-tools-depends/udpxy/package.mk
index 9009849291..a8ed4de2ee 100644
--- a/packages/addons/addon-depends/network-tools-depends/udpxy/package.mk
+++ b/packages/addons/addon-depends/network-tools-depends/udpxy/package.mk
@@ -10,6 +10,10 @@ PKG_URL="http://www.udpxy.com/download/1_23/${PKG_NAME}.${PKG_VERSION}-prod.tar.
 PKG_DEPENDS_TARGET="toolchain"
 PKG_LONGDESC="A UDP-to-HTTP multicast traffic relay daemon."
 
+configure_target() {
+  export CFLAGS+=" -Wno-stringop-truncation"
+}
+
 makeinstall_target() {
   :
 }
diff --git a/packages/addons/service/slice/package.mk b/packages/addons/service/slice/package.mk
index 5fa2876837..c78baa5b30 100644
--- a/packages/addons/service/slice/package.mk
+++ b/packages/addons/service/slice/package.mk
@@ -20,9 +20,7 @@ PKG_ADDON_PROJECTS="Slice Slice3"
 PKG_ADDON_TYPE="xbmc.service"
 
 makeinstall_target() {
-  PKG_ADDON_INSTALL_DIR="${INSTALL}/usr/share/kodi/addons/${PKG_SECTION}.${PKG_NAME}"
-  mkdir -p "${PKG_ADDON_INSTALL_DIR}"
-    install_addon_files "${PKG_ADDON_INSTALL_DIR}"
+  install_addon_files "${INSTALL}/usr/share/kodi/addons/${PKG_SECTION}.${PKG_NAME}"
 }
 
 addon() {
diff --git a/packages/addons/tools/dotnet-runtime/package.mk b/packages/addons/tools/dotnet-runtime/package.mk
index b3dd996ed4..40ed87f919 100644
--- a/packages/addons/tools/dotnet-runtime/package.mk
+++ b/packages/addons/tools/dotnet-runtime/package.mk
@@ -36,11 +36,6 @@ PKG_ADDON_NAME=".Net Core Runtime"
 PKG_ADDON_TYPE="xbmc.python.script"
 PKG_MAINTAINER="Anton Voyl (awiouy)"
 
-unpack() {
-  mkdir -p $PKG_BUILD
-  $SCRIPTS/extract $PKG_NAME $PKG_BUILD
-}
-
 addon() {
   mkdir -p $ADDON_BUILD/$PKG_ADDON_ID/bin
   cp -r $PKG_BUILD/$PKG_NAME-$PKG_VERSION/* \
diff --git a/packages/linux-driver-addons/dvb/depends/media_tree/package.mk b/packages/linux-driver-addons/dvb/depends/media_tree/package.mk
index 2aa920e299..ae3fd907a6 100644
--- a/packages/linux-driver-addons/dvb/depends/media_tree/package.mk
+++ b/packages/linux-driver-addons/dvb/depends/media_tree/package.mk
@@ -15,7 +15,9 @@ PKG_TOOLCHAIN="manual"
 unpack() {
   mkdir -p $PKG_BUILD/
   tar -xf $SOURCES/$PKG_NAME/$PKG_NAME-$PKG_VERSION.tar.bz2 -C $PKG_BUILD/
+}
 
+post_unpack() {
   # hack/workaround for borked upstream kernel/media_build
   # without removing atomisp there a lot additional includes that 
   # slowdown build process after modpost from 3min to 6min
diff --git a/packages/linux-driver-addons/dvb/depends/media_tree_cc/package.mk b/packages/linux-driver-addons/dvb/depends/media_tree_cc/package.mk
index b04f4771eb..ccce3a9c7e 100644
--- a/packages/linux-driver-addons/dvb/depends/media_tree_cc/package.mk
+++ b/packages/linux-driver-addons/dvb/depends/media_tree_cc/package.mk
@@ -15,7 +15,9 @@ PKG_TOOLCHAIN="manual"
 unpack() {
   mkdir -p $PKG_BUILD/
   tar -xf $SOURCES/$PKG_NAME/$PKG_NAME-$PKG_VERSION.tar.bz2 -C $PKG_BUILD/
+}
 
+post_unpack() {
   # hack/workaround for borked upstream kernel/media_build
   # without removing atomisp there a lot additional includes that 
   # slowdown build process after modpost from 3min to 6min
diff --git a/packages/linux-firmware/firmware-imx/package.mk b/packages/linux-firmware/firmware-imx/package.mk
index 4d895b40e2..89dd714efb 100644
--- a/packages/linux-firmware/firmware-imx/package.mk
+++ b/packages/linux-firmware/firmware-imx/package.mk
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 # Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
+# Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)
 
 PKG_NAME="firmware-imx"
 PKG_VERSION="5.4"
@@ -13,9 +14,8 @@ PKG_LONGDESC="firmware-imx: Freescale IMX firmware such as for the VPU"
 PKG_TOOLCHAIN="manual"
 
 unpack() {
-  mkdir -p $BUILD
-    cd $BUILD
-    sh $SOURCES/$PKG_NAME/$PKG_NAME-$PKG_VERSION.bin --auto-accept
+  cd $(dirname $PKG_BUILD)
+  sh $SOURCES/$PKG_NAME/$PKG_NAME-$PKG_VERSION.bin --auto-accept
 }
 
 makeinstall_target() {
diff --git a/packages/linux/package.mk b/packages/linux/package.mk
index eec8b248a2..8c46a5fb65 100644
--- a/packages/linux/package.mk
+++ b/packages/linux/package.mk
@@ -6,7 +6,7 @@ PKG_NAME="linux"
 PKG_LICENSE="GPL"
 PKG_SITE="http://www.kernel.org"
 PKG_DEPENDS_HOST="ccache:host openssl:host"
-PKG_DEPENDS_TARGET="toolchain cpio:host kmod:host xz:host wireless-regdb keyutils $KERNEL_EXTRA_DEPENDS_TARGET"
+PKG_DEPENDS_TARGET="toolchain linux:host cpio:host kmod:host xz:host wireless-regdb keyutils $KERNEL_EXTRA_DEPENDS_TARGET"
 PKG_DEPENDS_INIT="toolchain"
 PKG_NEED_UNPACK="$LINUX_DEPENDS"
 PKG_LONGDESC="This package contains a precompiled kernel image and the modules."
diff --git a/packages/mediacenter/kodi-binary-addons/audiodecoder.usf/package.mk b/packages/mediacenter/kodi-binary-addons/audiodecoder.usf/package.mk
index 3529a1507c..b28e165a36 100644
--- a/packages/mediacenter/kodi-binary-addons/audiodecoder.usf/package.mk
+++ b/packages/mediacenter/kodi-binary-addons/audiodecoder.usf/package.mk
@@ -17,3 +17,4 @@ PKG_LONGDESC="audiodecoder.usf"
 
 PKG_IS_ADDON="yes"
 PKG_ADDON_TYPE="kodi.audiodecoder"
+PKG_ADDON_PROJECTS="any !RPi1"
diff --git a/packages/mediacenter/kodi-binary-addons/screensaver.greynetic/package.mk b/packages/mediacenter/kodi-binary-addons/screensaver.greynetic/package.mk
index 0b7090e9f7..0e443fbabe 100644
--- a/packages/mediacenter/kodi-binary-addons/screensaver.greynetic/package.mk
+++ b/packages/mediacenter/kodi-binary-addons/screensaver.greynetic/package.mk
@@ -10,7 +10,7 @@ PKG_ARCH="any"
 PKG_LICENSE="GPL"
 PKG_SITE="https://github.com/xbmc/screensaver.greynetic"
 PKG_URL="https://github.com/xbmc/screensaver.greynetic/archive/$PKG_VERSION.tar.gz"
-PKG_DEPENDS_TARGET="toolchain kodi-platform"
+PKG_DEPENDS_TARGET="toolchain kodi-platform glm"
 PKG_SECTION=""
 PKG_SHORTDESC="screensaver.greynetic"
 PKG_LONGDESC="screensaver.greynetic"
diff --git a/packages/readme.md b/packages/readme.md
index 26bc6cce55..e67a1c6e33 100644
--- a/packages/readme.md
+++ b/packages/readme.md
@@ -148,7 +148,7 @@ Full list of overwrittable functions.
 | unpack<br>pre_unpack<br>post_unpack | - | Extract the source from the downloaded file |
 | pre_patch<br>post_patch | -      | Apply the patches to the source, after extraction. The patch function it self is not allowed to overwritten |
 | pre_build_\[stage]      | yes    | Runs before of the start of the build |
-| configure_\[stage]<br>pre_configure_\[stage]<br>post_configure_\[stage] | yes | Configure the package for the compile. This is only relevant for toolchain, that supports it (e.g. meson, cmake, configure, manual) |
+| pre_configure<br>pre_configure_\[stage]<br>configure_\[stage]<br>post_configure_\[stage] | yes | Configure the package for the compile. This is only relevant for toolchain, that supports it (e.g. meson, cmake, configure, manual) |
 | make_\[stage]<br>pre_make_\[stage]<br>post_make_\[stage] | yes | Build of the package |
 | makeinstall_\[stage]<br>pre_makeinstall_\[stage]<br>post_makeinstall_\[stage] | yes | Installation of the files in the correct pathes<br>host: TOOLCHAIN<br>target: SYSROOT and IMAGE<br>bootstrap and init: temporary destination
 | addon                   | -      | Copy all files together for addon creation. This is requiered for addons |
diff --git a/packages/x11/other/fontconfig/package.mk b/packages/x11/other/fontconfig/package.mk
index 0dd1f233a1..6b0000b5f1 100644
--- a/packages/x11/other/fontconfig/package.mk
+++ b/packages/x11/other/fontconfig/package.mk
@@ -8,7 +8,7 @@ PKG_SHA256="9f0d852b39d75fc655f9f53850eb32555394f36104a044bb2b2fc9e66dbbfa7f"
 PKG_LICENSE="OSS"
 PKG_SITE="http://www.fontconfig.org"
 PKG_URL="http://www.freedesktop.org/software/fontconfig/release/$PKG_NAME-$PKG_VERSION.tar.gz"
-PKG_DEPENDS_TARGET="toolchain util-macros freetype libxml2 zlib expat"
+PKG_DEPENDS_TARGET="toolchain util-linux util-macros freetype libxml2 zlib expat"
 PKG_LONGDESC="Fontconfig is a library for font customization and configuration."
 
 PKG_CONFIGURE_OPTS_TARGET="--with-arch=$TARGET_ARCH \
diff --git a/scripts/build b/scripts/build
index 20c804ca89..1d068051c7 100755
--- a/scripts/build
+++ b/scripts/build
@@ -238,6 +238,7 @@ if [ -f "$PKG_CONFIGURE_SCRIPT" -o -f "$PKG_CMAKE_SCRIPT" -o -f "$PKG_MESON_SCRI
 fi
 
 # configure
+pkg_call_exists pre_configure && pkg_call pre_configure
 pkg_call_exists pre_configure_$TARGET && pkg_call pre_configure_$TARGET
 
 if pkg_call_exists configure_$TARGET; then
diff --git a/scripts/clean b/scripts/clean
index 9e7ca86984..9097af794d 100755
--- a/scripts/clean
+++ b/scripts/clean
@@ -22,10 +22,13 @@ clean_package() {
         build_msg "CLR_WARNING" "*" "$(print_color "CLR_WARNING_DIM" "Removing ${i} ...")"
         rm -rf "${i}"
       fi
-    else
+    elif [ -d "${i}" -a -f "${i}/.libreelec-package" ]; then
       # force clean if no stamp found (previous unpack failed)
-      build_msg "" "" "* Removing ${i} ..."
-      rm -rf "${i}"
+      . "${i}/.libreelec-package"
+      if [ "${INFO_PKG_NAME}" = "${1}" ]; then
+        build_msg "" "" "* Removing ${i} ..."
+        rm -rf "${i}"
+      fi
     fi
   done
   rm -f "${STAMPS}/${1}/build_"*
diff --git a/scripts/install_addon b/scripts/install_addon
index 289b934b39..0a6220328a 100755
--- a/scripts/install_addon
+++ b/scripts/install_addon
@@ -12,8 +12,6 @@ setup_toolchain target
 
 ADDON_DIRECTORY="$ADDON_BUILD/$PKG_ADDON_ID"
 
-mkdir -p "$ADDON_DIRECTORY"
-
 install_addon_files "$ADDON_DIRECTORY"
 
 debug_strip "$ADDON_DIRECTORY"
diff --git a/scripts/unpack b/scripts/unpack
index 5415acf5aa..1f4342a5f4 100755
--- a/scripts/unpack
+++ b/scripts/unpack
@@ -60,40 +60,46 @@ if [ -d "$SOURCES/${PKG_NAME}" -o -d "$PKG_DIR/sources" ]; then
   pkg_call_exists pre_unpack && pkg_call pre_unpack
 
   if pkg_call_exists unpack; then
-    pkg_call unpack
+    (
+      PKG_BUILD="${PKG_UNPACK_DIR}/${PKG_NAME}-${PKG_VERSION}"
+      pkg_call unpack
+    )
   else
     if [ -n "$PKG_URL" ]; then
       ${SCRIPTS}/extract "${PKG_NAME}" "${PKG_UNPACK_DIR}"
     fi
   fi
 
-  _pkg_build="$(basename "${PKG_BUILD}")"
-  [ -z "${PKG_SOURCE_DIR}" -a -d "${PKG_UNPACK_DIR}/${_pkg_build}"* ] && mv "${PKG_UNPACK_DIR}/${_pkg_build}"* "${PKG_BUILD}"
+  if [ -z "${PKG_SOURCE_DIR}" -a -d "${PKG_UNPACK_DIR}/${PKG_NAME}-${PKG_VERSION}"* ]; then
+    mv "${PKG_UNPACK_DIR}/${PKG_NAME}-${PKG_VERSION}"* "${PKG_UNPACK_DIR}/.intermediate"
+  fi
 
-  if [ ! -d "${PKG_BUILD}" ]; then
+  if [ ! -d "${PKG_UNPACK_DIR}/.intermediate" ]; then
     if [ -n "${PKG_SOURCE_DIR}" ]; then
       if [ -d "${PKG_UNPACK_DIR}"/${PKG_SOURCE_DIR} ]; then
-        mv "${PKG_UNPACK_DIR}"/${PKG_SOURCE_DIR} "${PKG_BUILD}"
+        mv "${PKG_UNPACK_DIR}"/${PKG_SOURCE_DIR} "${PKG_UNPACK_DIR}/.intermediate"
       else
         # fallback
-        mv "${BUILD}"/${PKG_SOURCE_DIR} "${PKG_BUILD}"
+        mv "${BUILD}"/${PKG_SOURCE_DIR} "${PKG_UNPACK_DIR}/.intermediate"
       fi
     elif [ -d "${PKG_BUILD}"* ]; then
-      mv "${PKG_BUILD}"* "${PKG_BUILD}"
+      mv "${PKG_BUILD}"* "${PKG_UNPACK_DIR}/.intermediate"
     fi
   fi
 
-  # cleanup
-  rm -rf "${PKG_UNPACK_DIR}"
+  [ ! -d "${PKG_UNPACK_DIR}/.intermediate" ] && mkdir -p "${PKG_UNPACK_DIR}/.intermediate"
 
   if [ -d "$PKG_DIR/sources" ]; then
-    [ ! -d "$PKG_BUILD" ] && mkdir -p "$PKG_BUILD"
-    cp -PRf "$PKG_DIR/sources/"* "$PKG_BUILD"
+    cp -PRf "$PKG_DIR/sources/"* "${PKG_UNPACK_DIR}/.intermediate"
   fi
 
-  if [ -z "$PKG_URL" ]; then
-    mkdir -p "${PKG_BUILD}"
-  fi
+  echo "INFO_PKG_NAME=\"${PKG_NAME}\"" > "${PKG_UNPACK_DIR}/.intermediate/.libreelec-package"
+
+  rm -fr "${PKG_BUILD}"
+  mv "${PKG_UNPACK_DIR}/.intermediate" "${PKG_BUILD}"
+
+  # cleanup
+  rm -rf "${PKG_UNPACK_DIR}"
 
   pkg_call_exists post_unpack && pkg_call post_unpack
 
@@ -184,6 +190,7 @@ fi
 
 if [ "$PKG_SECTION" != "virtual" ]; then
   mkdir -p "$PKG_BUILD"
+  echo "INFO_PKG_NAME=\"${PKG_NAME}\"" > "${PKG_BUILD}/.libreelec-package"
 
   rm -f $STAMPS/${PKG_NAME}/build_*
 
diff --git a/tools/distro-tool b/tools/distro-tool
index 075a855a60..71b3b1473c 100755
--- a/tools/distro-tool
+++ b/tools/distro-tool
@@ -104,7 +104,13 @@ class MyUtility(object):
         return (0, subprocess.check_output(command.split(" "), stderr=_logfile))
     except  subprocess.CalledProcessError as cpe:
       if MyUtility.isPython3:
-        return (cpe.returncode, cpe.output.decode("utf-8"))
+        # Clean up undecodable garbage in response (eg. libftdi1 error page)
+        output = bytearray()
+        for c in cpe.output:
+          if c <= 127:
+            output.append(c)
+
+        return (cpe.returncode, output.decode("utf-8"))
       else:
         return (cpe.returncode, cpe.output)
     finally:
diff --git a/tools/pkgcheck b/tools/pkgcheck
index af298edc6c..55282dc9b7 100755
--- a/tools/pkgcheck
+++ b/tools/pkgcheck
@@ -76,8 +76,8 @@ process_line() {
   [ -n "${matches}" ] && log "${filename}" ${lc} "FAIL" "late binding violation" "${matches:2}"
 }
 
-init_multi_func() {
-  local f t multi
+init_target_funcs() {
+  local f t funcs
 
   for t in target host init bootstrap; do
     for f in pre_build \
@@ -85,10 +85,10 @@ init_multi_func() {
              pre_make make post_make \
              pre_makeinstall makeinstall post_makeinstall \
              ; do
-      multi+=" ${f}_${t}"
+      funcs+=" ${f}_${t}"
     done
   done
-  echo "${multi:1}"
+  echo "${funcs:1}"
 }
 
 check_func_name() {
@@ -98,7 +98,8 @@ check_func_name() {
   for f in configure_package \
            pre_unpack unpack post_unpack \
            pre_patch post_patch \
-           ${MULTI_FUNC} \
+           pre_configure \
+           ${TARGET_FUNCS} \
            pre_install post_install \
            addon \
            ; do
@@ -146,7 +147,7 @@ process_pkg() {
   done <<< "$(grep -E ".*() {" "${filename}" | sed 's/[[:space:]]*{.*//' | sort | uniq -c | grep -v ^[[:space:]]*1[[:space:]])"
 }
 
-MULTI_FUNC="$(init_multi_func)"
+TARGET_FUNCS="$(init_target_funcs)"
 
 if [ $# -ne 0 ]; then
   for arg in ${@}; do