diff --git a/patches/jack_01_OptionalPortAudio.diff b/patches/jack_01_OptionalPortAudio.diff
index 807bfb7..5431f03 100644
--- a/patches/jack_01_OptionalPortAudio.diff
+++ b/patches/jack_01_OptionalPortAudio.diff
@@ -1,8 +1,8 @@
 diff --git a/common/wscript b/common/wscript
-index 4302b1e..53d453d 100644
+index 4302b1e..c39aec1 100644
 --- a/common/wscript
 +++ b/common/wscript
-@@ -380,7 +381,7 @@ def build(bld):
+@@ -380,7 +380,7 @@ def build(bld):
           process = create_jack_process_obj(bld, 'audioadapter', audio_adapter_sources, serverlib)
           process.use = 'SAMPLERATE'
  
@@ -12,15 +12,15 @@ index 4302b1e..53d453d 100644
           process = create_jack_process_obj(bld, 'audioadapter', audio_adapter_sources, serverlib)
           process.use += ['SAMPLERATE', 'PORTAUDIO']
 diff --git a/windows/wscript b/windows/wscript
-index fdae9bb..069fd53 100644
+index ea4dd3d..f00d66e 100644
 --- a/windows/wscript
 +++ b/windows/wscript
-@@ -6,7 +6,7 @@ import re
- import os
+@@ -2,7 +2,7 @@
+ # encoding: utf-8
  
  def configure(conf):
--    conf.check_cc(function_name='Pa_GetVersion', header_name='portaudio.h', lib='portaudio', uselib_store="PORTAUDIO", define_name='HAVE_PORTAUDIO')
-+    conf.check_cc(function_name='Pa_GetVersion', header_name='portaudio.h', lib='portaudio', uselib_store="PORTAUDIO", define_name='HAVE_PORTAUDIO', mandatory=False)
+-    conf.check_cfg(package='portaudio-2.0', uselib_store='PORTAUDIO', atleast_version='19', args='--cflags --libs')
++    conf.check_cfg(package='portaudio-2.0', uselib_store='PORTAUDIO', atleast_version='19', args='--cflags --libs', mandatory=False)
      conf.env['BUILD_DRIVER_PORTAUDIO'] = conf.is_defined('HAVE_PORTAUDIO')
  
- def build(bld):
+ def create_jack_driver_obj(bld, target, sources, uselib = None):
diff --git a/zen-all.sh b/zen-all.sh
index 8ac81d9..97aff37 100755
--- a/zen-all.sh
+++ b/zen-all.sh
@@ -18,7 +18,7 @@ function all_build {
 }
 
 function all_get_deps {
-# echo "dbus"
+  echo "dbus"
   echo "expat"
 # echo "faad2" # error: "two or more data types in declaration specifiers"
 # echo "ffmpeg"
@@ -27,8 +27,8 @@ function all_get_deps {
   echo "fribidi"
   echo "gmplib"
 # echo "gnutls"
-# #echo "gpac" requires ffmpeg -fPIC
-# echo "jack"
+  echo "gpac"
+  echo "jack"
   echo "liba52"
 # echo "libalsa"
   echo "libass"
@@ -43,7 +43,7 @@ function all_get_deps {
   echo "libopenjpeg"
   echo "libpng"
 # echo "libpthread"
-# echo "librtmp" # link errors: "undefined reference to `__imp_htons'"
+  echo "librtmp"
   echo "libsamplerate"
   echo "libsdl"
   echo "libsndfile"
@@ -54,7 +54,7 @@ function all_get_deps {
 # echo "libxcb"
 # echo "libxvidcore"
   echo "opencore-amr"
-# echo "openh264"
+  echo "openh264"
 # echo "openhevc"
   echo "opus"
   echo "portaudio"
@@ -69,7 +69,7 @@ function all_get_deps {
 # echo "xcb-proto"
 # echo "xcbproto"
 # echo "xcbpthreadstubs"
-# echo "xproto"
+  echo "xproto"
   echo "zlib"
 }
 
diff --git a/zen-dbus.sh b/zen-dbus.sh
new file mode 100755
index 0000000..736ec2d
--- /dev/null
+++ b/zen-dbus.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# Copyright (C) 2014 - Sebastien Alaiwan
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+function dbus_build {
+  host=$1
+  pushDir $WORK/src
+
+  lazy_download "dbus.tar.gz" "http://dbus.freedesktop.org/releases/dbus/dbus-1.8.8.tar.gz"
+  lazy_extract "dbus.tar.gz"
+
+  mkdir -p dbus/build/$host
+  pushDir dbus/build/$host
+  CFLAGS+=" -I$PREFIX/$host/include " \
+  LDFLAGS+=" -L$PREFIX/$host/lib " \
+  ../../configure \
+    --host=$host \
+    --enable-static \
+    --enable-abstract-sockets \
+    --disable-shared \
+    --prefix=$PREFIX/$host
+  $MAKE
+  $MAKE install
+  popDir
+
+  popDir
+}
+
+function dbus_get_deps {
+  echo "expat"
+}
+
diff --git a/zen-expat.sh b/zen-expat.sh
index 316e743..4499929 100755
--- a/zen-expat.sh
+++ b/zen-expat.sh
@@ -24,18 +24,13 @@ function expat_build {
   lazy_extract "expat.tar.xz"
   mkgit "expat"
 
-  mkdir -p expat/build/$host
-  pushDir expat/build/$host
   CFLAGS+=" -I$PREFIX/$host/include " \
   LDFLAGS+=" -L$PREFIX/$host/lib " \
-  ../../configure \
-    --host=$host \
-    --prefix=$PREFIX/$host
-  $MAKE
-  $MAKE install
+  autoconf_build $host "expat" \
+    --enable-static \
+    --disable-shared
 
   popDir
-  popDir
 }
 
 function expat_get_deps {
diff --git a/zen-gpac.sh b/zen-gpac.sh
index 8034224..18dacec 100755
--- a/zen-gpac.sh
+++ b/zen-gpac.sh
@@ -35,15 +35,20 @@ function gpac_build {
   pushDir gpac/build/$host
   ../../configure \
     --target-os=$OS \
-    --prefix=$PREFIX/$host \
+    --cross-prefix="$crossPrefix" \
     --extra-cflags="-I$PREFIX/$host/include -w -fPIC" \
     --extra-ldflags="-L$PREFIX/$host/lib" \
     --disable-jack \
     --enable-amr \
-    --cross-prefix="$crossPrefix"
+    --prefix=$PREFIX/$host
 
   $MAKE
-  $MAKE install
+
+  # 'make install' is broken, ignore the following error.
+  # install: cannot stat ‘bin/gcc/libgpac.dll.a’: No such file or directory
+  # Makefile:174: recipe for target 'installdylib' failed
+  $MAKE install-lib -k || true
+
   popDir
 
   popDir
diff --git a/zen-jack.sh b/zen-jack.sh
index 2bf1ad4..6a832d8 100755
--- a/zen-jack.sh
+++ b/zen-jack.sh
@@ -25,21 +25,31 @@ function jack_build {
   host=$1
   pushDir $WORK/src
 
-  lazy_git_clone "git://github.com/jackaudio/jack2.git" jack2_$host f90f76f
+  lazy_git_clone "git://github.com/jackaudio/jack2.git" jack2_$host 9159e9f85f1b85df525c3bc95260e51c72ef9d65 --depth=100
 
   CFLAGS="-I$PREFIX/$host/include -L$PREFIX/$host/lib"
-  CFLAGS+=" -I$PREFIX/$host/include/tre"
 
   pushDir jack2_$host
 
   applyPatch $scriptDir/patches/jack_01_OptionalPortAudio.diff
   applyPatch $scriptDir/patches/jack_03_NoExamples.diff
   applyPatch $scriptDir/patches/jack_04_OptionalSampleRate.diff
+  sed -i "s/.*tests.*//" wscript
+  sed -i "s/.*example-clients.*//" wscript
+
+  local options=""
+
+  case $host in
+    *mingw*)
+      CFLAGS+=" -I$PREFIX/$host/include/tre"
+      options+=" --winmme --dist-target mingw"
+      ;;
+  esac
 
   CC="$host-gcc $CFLAGS" \
   CXX="$host-g++ $CFLAGS" \
   PREFIX=$PREFIX/$host \
-  python2 ./waf configure --winmme --dist-target mingw
+  python2 ./waf configure $options
   python2 ./waf build
   python2 ./waf install
   popDir
diff --git a/zen-librtmp.sh b/zen-librtmp.sh
index 3686192..c9c1785 100755
--- a/zen-librtmp.sh
+++ b/zen-librtmp.sh
@@ -27,6 +27,13 @@ function librtmp_build {
 
   pushDir rtmpdump/librtmp
 
+  case $host in
+    *mingw*)
+      sed -i "s/^SYS=posix/SYS=mingw/" Makefile
+      echo "# YO" >> Makefile
+      ;;
+  esac
+
   sed -i "s@^prefix=.*@prefix=$PREFIX/$host@" Makefile
   sed -i "s@^CRYPTO=.*@@" Makefile
 
diff --git a/zen-libvpx.sh b/zen-libvpx.sh
index 0e74ee0..2b929fa 100755
--- a/zen-libvpx.sh
+++ b/zen-libvpx.sh
@@ -21,7 +21,7 @@ function libvpx_build {
   lazy_git_clone https://chromium.googlesource.com/webm/libvpx libvpx c5718a7aa3b5490fbfbc47d6f82e7cb3eed46a1e
 
   local host2=$(echo $host | sed "s/x86_64-w64-mingw32/x86_64-win64-gcc/")
-  host2=$(echo $host2 | sed "s/i686-w64-mingw32/i686-win32-gcc/")
+  host2=$(echo $host2 | sed "s/i686-w64-mingw32/x86-win32-gcc/")
   host2=$(echo $host2 | sed "s/x86_64-linux-gnu/x86_64-linux-gcc/")
   mkdir -p libvpx/build/$host
   pushDir libvpx/build/$host
@@ -30,6 +30,7 @@ function libvpx_build {
   ../../configure \
    --target=$host2 \
    --disable-examples \
+   --disable-unit-tests \
    --disable-docs \
   --prefix=$PREFIX/$host
   $MAKE
diff --git a/zen-openh264.sh b/zen-openh264.sh
index c54f152..9ab63b8 100755
--- a/zen-openh264.sh
+++ b/zen-openh264.sh
@@ -15,21 +15,19 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function openh264_get_deps {
-  local a=0
-}
-
 function openh264_build {
 
   host=$1
   pushDir $WORK/src
   local ARCH=$(get_arch $host)
   local OS=$(get_os $host)
- 
-  lazy_git_clone "https://github.com/cisco/openh264" "openh264" 7f967f6fc46290794da02319470afe27e7ed7a6e
-  
+
+  lazy_download "openh264.tar.gz" "https://github.com/cisco/openh264/archive/v1.3.1.tar.gz"
+  lazy_extract "openh264.tar.gz"
+  mkgit "openh264"
+
   pushDir openh264
-  
+
   sed -i "s@^PREFIX=.*@PREFIX=$PREFIX/$host@" Makefile
   sed -i "s@^ARCH=.*@ARCH=$ARCH@" Makefile
   sed -i "s@^OS=.*@OS=$OS@" Makefile
@@ -38,7 +36,12 @@ function openh264_build {
 
   $MAKE
   $MAKE install
-  
+
   popDir
   popDir
 }
+
+function openh264_get_deps {
+  local a=0
+}
+
diff --git a/zen-xproto.sh b/zen-xproto.sh
index 7df06b1..1cadc28 100755
--- a/zen-xproto.sh
+++ b/zen-xproto.sh
@@ -1,35 +1,30 @@
 #!/bin/bash
 
-# Copyright (C) 2014 - Badr BADRI 
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 3
-# of the License, or (at your option) any later version.
+# Copyright (C) 2014 - Sebastien Alaiwan
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# GNU Affero General Public License for more details.
 #
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
-
-function xproto-get_deps {
-  local a=0 
-}
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 function xproto_build {
-
-  local host=$1
+  host=$1
   pushDir $WORK/src
 
-  lazy_download "xproto.tar.gz" "http://xorg.freedesktop.org/releases/individual/proto/xproto-7.0.27.tar.gz"
-
-  lazy_extract "xproto.tar.gz"
+  lazy_git_clone "git://anongit.freedesktop.org/xorg/proto/xproto" xproto
 
   autoconf_build $host "xproto"
-
   popDir
+}
 
+function xproto_get_deps {
+  local a=0
 }
+
diff --git a/zenbuild.sh b/zenbuild.sh
index bdc6f1e..a6952bc 100755
--- a/zenbuild.sh
+++ b/zenbuild.sh
@@ -58,7 +58,8 @@ function lazy_download
   local url="$2"
 
   if [ ! -e "$CACHE/$file" ]; then
-    wget "$url" -c -O "$CACHE/${file}.tmp"
+    echo "Downloading: $file"
+    wget "$url" -c -O "$CACHE/${file}.tmp" --no-verbose
     mv "$CACHE/${file}.tmp" "$CACHE/$file"
   fi
 }
@@ -196,8 +197,10 @@ function initCflags {
   export CXXFLAGS
   export LDFLAGS
 
+  local cores=$(nproc)
+
   if [ -z "$MAKE" ]; then
-    MAKE="make"
+    MAKE="make -j$cores"
   fi
 
   export MAKE
@@ -275,6 +278,7 @@ function autoconf_build {
     popDir
   fi
 
+  rm -rf $name/build/$host
   mkdir -p $name/build/$host
   pushDir $name/build/$host
   ../../configure \