diff --git a/README.md b/README.md
index 47ee54b..a005d56 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # ZenBuild
 
-ZenBuild is a one-shot component-level build-system, aimed at easing the build of free software projets.
+ZenBuild is a one-shot component-level build-system, aimed at easing the build of free software projects.
 It also aims at making cross-building seamless.
 
 Syntax
@@ -48,3 +48,9 @@ Authors
 
 - Sebastien Alaiwan <sebastien.alaiwan@gmail.com>
 - Romain Bouqueau <romain.bouqueau.pro@gmail.com>
+
+Contributors
+------------
+
+- badr-badri ( https://github.com/badr-badri )
+
diff --git a/check.sh b/check.sh
new file mode 100755
index 0000000..3e235b3
--- /dev/null
+++ b/check.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+set -euo pipefail
+
+readonly JOBS=$(nproc)
+export MAKE="make -j$JOBS"
+
+rm -f "/tmp/test-zenbuild/flags/x86_64-linux-gnu/all.built"
+./zenbuild.sh "/tmp/test-zenbuild" all x86_64-linux-gnu
+
+rm -f "/tmp/test-zenbuild/flags/x86_64-w64-mingw32/all.built"
+./zenbuild.sh "/tmp/test-zenbuild" all x86_64-w64-mingw32
+
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
new file mode 100755
index 0000000..97aff37
--- /dev/null
+++ b/zen-all.sh
@@ -0,0 +1,75 @@
+
+# Copyright (C) 2015 - 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 all_build {
+  echo "Done"
+}
+
+function all_get_deps {
+  echo "dbus"
+  echo "expat"
+# echo "faad2" # error: "two or more data types in declaration specifiers"
+# echo "ffmpeg"
+  echo "fontconfig"
+  echo "freetype2"
+  echo "fribidi"
+  echo "gmplib"
+# echo "gnutls"
+  echo "gpac"
+  echo "jack"
+  echo "liba52"
+# echo "libalsa"
+  echo "libass"
+# echo "libav"
+  echo "libfdk-aac"
+  echo "libgcrypt"
+  echo "libgpg-error"
+  echo "libjpeg"
+  echo "libmad"
+  echo "libnettle"
+  echo "libogg"
+  echo "libopenjpeg"
+  echo "libpng"
+# echo "libpthread"
+  echo "librtmp"
+  echo "libsamplerate"
+  echo "libsdl"
+  echo "libsndfile"
+  echo "libtheora"
+  echo "libvorbis"
+  echo "libvpx"
+# echo "libxau"
+# echo "libxcb"
+# echo "libxvidcore"
+  echo "opencore-amr"
+  echo "openh264"
+# echo "openhevc"
+  echo "opus"
+  echo "portaudio"
+# #echo "pthreads" can only be built for windows
+  echo "sodium"
+  echo "toxcore"
+  echo "tre"
+# #echo "utox" depends on xrender and other missing stuff, causing pkg-config to return nothing
+# #echo "vlc" requires ffmpeg -fPIC
+  echo "x264"
+  echo "x265"
+# echo "xcb-proto"
+# echo "xcbproto"
+# echo "xcbpthreadstubs"
+  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
new file mode 100755
index 0000000..4499929
--- /dev/null
+++ b/zen-expat.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# Copyright (C) 2015 - Sebastien Alaiwan
+# 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.
+#
+# 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.
+#
+# 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 expat_build {
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "expat.tar.xz" "http://sourceforge.net/projects/expat/files/expat/2.1.0/expat-2.1.0.tar.gz/download"
+  lazy_extract "expat.tar.xz"
+  mkgit "expat"
+
+  CFLAGS+=" -I$PREFIX/$host/include " \
+  LDFLAGS+=" -L$PREFIX/$host/lib " \
+  autoconf_build $host "expat" \
+    --enable-static \
+    --disable-shared
+
+  popDir
+}
+
+function expat_get_deps {
+  local a=0
+}
+
diff --git a/zen-faad2.sh b/zen-faad2.sh
index 8667291..acb382e 100755
--- a/zen-faad2.sh
+++ b/zen-faad2.sh
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_faad2 {
+function faad2_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-ffmpeg.sh b/zen-ffmpeg.sh
index 478908e..8fb797b 100755
--- a/zen-ffmpeg.sh
+++ b/zen-ffmpeg.sh
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_ffmpeg {
+function ffmpeg_build {
   host=$1
   pushDir $WORK/src
 
@@ -66,9 +66,9 @@ function build_ffmpeg {
 }
 
 function ffmpeg_get_deps {
+  echo libass
   echo fontconfig
   echo librtmp
-  echo libass
   echo libfdk-aac
   echo x264
   echo x265
diff --git a/zen-fontconfig.sh b/zen-fontconfig.sh
old mode 100644
new mode 100755
index ad3babe..75e3eea
--- a/zen-fontconfig.sh
+++ b/zen-fontconfig.sh
@@ -16,12 +16,24 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 
-function build_fontconfig {
+function fontconfig_build {
   host=$1
-  pushDir $WORK/src  
+  pushDir $WORK/src
 
-  lazy_git_clone "git://anongit.freedesktop.org/fontconfig" fontconfig "tags/2.11.1"
+  lazy_download "fontconfig.tar.bz2" "http://www.freedesktop.org/software/fontconfig/release/fontconfig-2.11.92.tar.bz2"
+  lazy_extract "fontconfig.tar.bz2"
+  mkgit "fontconfig"
 
-  autoconf_build $host "fontconfig"
+  LDFLAGS+=" -L$WORK/release/$host/lib" \
+  autoconf_build $host "fontconfig" \
+    --enable-static \
+    --disable-shared
   popDir
 }
+
+function fontconfig_get_deps {
+  echo "expat"
+  echo "freetype2"
+  echo "libpng"
+}
+
diff --git a/zen-freetype2.sh b/zen-freetype2.sh
index 9e6aae5..cc504a2 100755
--- a/zen-freetype2.sh
+++ b/zen-freetype2.sh
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_freetype2 {
+function freetype2_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-fribidi.sh b/zen-fribidi.sh
old mode 100644
new mode 100755
index 049f88e..f81005b
--- a/zen-fribidi.sh
+++ b/zen-fribidi.sh
@@ -1,34 +1,34 @@
-#!/bin/bash
-
-# Copyright (C) 2014 - Romain Bouqueau
-# 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.
-#
-# 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.
-#
-# 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 build_fribidi {
-  host=$1
-  pushDir $WORK/src  
-
-  lazy_download "fribidi.tar.xz" "http://fribidi.org/download/fribidi-0.19.6.tar.bz2"
-  lazy_extract "fribidi.tar.xz"
-
-  mkgit "fribidi"
-
-  autoconf_build $host "fribidi" --disable-shared
-  popDir
-}
-
-function fribidi_get_deps {
-  local a=0;
-}
+#!/bin/bash
+
+# Copyright (C) 2014 - Romain Bouqueau
+# 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.
+#
+# 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.
+#
+# 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 fribidi_build {
+  host=$1
+  pushDir $WORK/src
+
+  lazy_download "fribidi.tar.xz" "http://fribidi.org/download/fribidi-0.19.6.tar.bz2"
+  lazy_extract "fribidi.tar.xz"
+
+  mkgit "fribidi"
+
+  autoconf_build $host "fribidi" --disable-shared
+  popDir
+}
+
+function fribidi_get_deps {
+  local a=0
+}
diff --git a/zen-gmplib.sh b/zen-gmplib.sh
new file mode 100755
index 0000000..48bad3d
--- /dev/null
+++ b/zen-gmplib.sh
@@ -0,0 +1,35 @@
+#!/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.
+#
+# 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.
+#
+# 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 gmplib_get_deps {
+  local a=0
+}
+
+function gmplib_build {
+
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "gmplib.tar.lz" "https://gmplib.org/download/gmp/gmp-6.0.0a.tar.lz"
+  
+  lazy_extract "gmplib.tar.lz"
+
+  autoconf_build $host "gmplib.tar.lz" 
+
+  popDir
+
+}
diff --git a/zen-gnutls.sh b/zen-gnutls.sh
new file mode 100755
index 0000000..12253c3
--- /dev/null
+++ b/zen-gnutls.sh
@@ -0,0 +1,39 @@
+#!/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.
+#
+# 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.
+#
+# 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 gnutls_get_deps {
+  echo "gmplib"
+  echo "libnettle"
+}
+
+function gnutls_build {
+
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "gnutls.tar.lz" "ftp://ftp.gnutls.org/gcrypt/gnutls/v3.3/gnutls-3.3.12.tar.lz"
+  
+  lazy_extract "gnutls.tar.lz"
+
+  autoconf_build $host "gnutls.tar.lz"
+
+  popDir
+
+}  
+
+
diff --git a/zen-gpac.sh b/zen-gpac.sh
index ab2d96a..18dacec 100755
--- a/zen-gpac.sh
+++ b/zen-gpac.sh
@@ -15,11 +15,11 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_gpac {
+function gpac_build {
   host=$1
   pushDir $WORK/src
 
-  svn co svn://svn.code.sf.net/p/gpac/code/trunk/gpac gpac -r 5244
+  svn co svn://svn.code.sf.net/p/gpac/code/trunk/gpac gpac -r 5600
   pushDir gpac
   svn revert -R .
   popDir
@@ -35,22 +35,30 @@ function build_gpac {
   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/$host/lib" \
     --disable-jack \
-    --cross-prefix="$crossPrefix"
+    --enable-amr \
+    --prefix=$PREFIX/$host
 
   $MAKE
-  $MAKE install-lib
+
+  # '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
 }
 
 function gpac_get_deps {
+  echo opencore-amr
   echo zlib
-  #echo freetype2
+  echo libsdl
+  echo freetype2
   echo libvorbis
   echo libogg
 }
diff --git a/zen-jack.sh b/zen-jack.sh
index c620b25..6a832d8 100755
--- a/zen-jack.sh
+++ b/zen-jack.sh
@@ -21,25 +21,35 @@ function jack_get_deps {
   echo tre
 }
 
-function build_jack {
+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-liba52.sh b/zen-liba52.sh
index ab36265..fb2f9d8 100755
--- a/zen-liba52.sh
+++ b/zen-liba52.sh
@@ -14,16 +14,24 @@
 # 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 build_liba52 {
+function liba52_build {
   host=$1
   pushDir $WORK/src
 
   lazy_download "liba52.tar.xz" "http://liba52.sourceforge.net/files/a52dec-0.7.4.tar.gz"
   lazy_extract "liba52.tar.xz"
 
-  autoconf_build $host "liba52"
+  mkdir -p liba52/build/$host
+  pushDir liba52/build/$host
 
+  ../../configure \
+    --host=$host \
+    --prefix=$PREFIX/$host
+  $MAKE
+  $MAKE install
   popDir
+  popDir
+
 }
 
 function liba52_get_deps {
diff --git a/zen-libalsa.sh b/zen-libalsa.sh
new file mode 100755
index 0000000..71e4527
--- /dev/null
+++ b/zen-libalsa.sh
@@ -0,0 +1,34 @@
+#!/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 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 libalsa_get_deps {
+  local a=0
+}
+
+function libalsa_build {
+
+  host=$1
+  pushDir $WORK/src
+
+  lazy_download "libalsa.tar.gz" "ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.28.tar.bz2"
+
+  lazy_extract "libalsa.tar.gz"
+
+  autoconf_build $host "libalsa"
+
+  popDir
+
+}
diff --git a/zen-libass.sh b/zen-libass.sh
old mode 100644
new mode 100755
index 6e325fe..50c1d5f
--- a/zen-libass.sh
+++ b/zen-libass.sh
@@ -14,7 +14,7 @@
 # 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 build_libass {
+function libass_build {
   host=$1
   pushDir $WORK/src
 
@@ -31,4 +31,4 @@ function libass_get_deps {
   echo freetype2
   echo fribidi
   echo fontconfig
-}
\ No newline at end of file
+}
diff --git a/zen-libav.sh b/zen-libav.sh
index 40cd398..2a130e7 100755
--- a/zen-libav.sh
+++ b/zen-libav.sh
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_libav {
+function libav_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-libfdk-aac.sh b/zen-libfdk-aac.sh
old mode 100644
new mode 100755
index a1b6fb4..bc4af35
--- a/zen-libfdk-aac.sh
+++ b/zen-libfdk-aac.sh
@@ -14,7 +14,7 @@
 # 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 build_libfdk-aac {
+function libfdk-aac_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-libgcrypt.sh b/zen-libgcrypt.sh
new file mode 100755
index 0000000..ee81bb4
--- /dev/null
+++ b/zen-libgcrypt.sh
@@ -0,0 +1,42 @@
+#!/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.
+#
+# 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.
+#
+# 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 libgcrypt_build {
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "libgcrypt.tar.gz" "ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.6.2.tar.gz"
+
+  lazy_extract  "libgcrypt.tar.gz"
+
+  CFLAGS+=" -I$PREFIX/$host/include " \
+  LDFLAGS+=" -L$PREFIX/$host/lib " \
+  autoconf_build $host "libgcrypt" \
+  --with-gpg-error-prefix=$PREFIX/$host \
+  --disable-asm \
+  --disable-optimization \
+  --disable-shared \
+  --enable-static
+
+  popDir
+
+}
+
+function libgcrypt_get_deps {
+  echo "libgpg-error"
+}
+
diff --git a/zen-libjpeg.sh b/zen-libjpeg.sh
new file mode 100755
index 0000000..ad9d81d
--- /dev/null
+++ b/zen-libjpeg.sh
@@ -0,0 +1,36 @@
+#!/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.
+#
+# 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.
+#
+# 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 libjpeg_get_deps {
+  local a=0
+}
+
+function libjpeg_build {
+  local host=$1
+
+  pushDir $WORK/src
+  lazy_download "libjpeg-$host.tar.gz" "http://www.ijg.org/files/jpegsrc.v9a.tar.gz"
+
+  lazy_extract "libjpeg-$host.tar.gz"
+
+  autoconf_build $host "libjpeg-$host" \
+    --enable-dependency-tracking
+
+  popDir
+}
+
diff --git a/zen-libmad.sh b/zen-libmad.sh
new file mode 100755
index 0000000..c14af78
--- /dev/null
+++ b/zen-libmad.sh
@@ -0,0 +1,36 @@
+#!/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.
+#
+# 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.
+#
+# 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 libmad_get_deps {
+  local a=0
+}
+
+function libmad_build {
+
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "libmad.tar.gz" "http://sourceforge.net/projects/mad/files/libmad/0.15.1b/libmad-0.15.1b.tar.gz"
+  lazy_extract "libmad.tar.gz"
+
+  sed -i "s/-fforce-mem//" libmad/configure
+ 
+  autoconf_build $host "libmad" --with-pic
+
+  popDir
+
+}
diff --git a/zen-libnettle.sh b/zen-libnettle.sh
new file mode 100755
index 0000000..c1a07f5
--- /dev/null
+++ b/zen-libnettle.sh
@@ -0,0 +1,35 @@
+#!/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.
+#
+# 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.
+#
+# 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 libnettle_get_deps {
+   local a=0
+}
+
+function libnettle_build {
+
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "libnettle.tar.gz" "https://ftp.gnu.org/gnu/nettle/nettle-2.7.1.tar.gz"
+
+  lazy_extract "libnettle.tar.gz" 
+
+  autoconf_build $host "libnettle" 
+
+  popDir
+
+}
diff --git a/zen-libogg.sh b/zen-libogg.sh
index 3a14537..d51a921 100755
--- a/zen-libogg.sh
+++ b/zen-libogg.sh
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_libogg {
+function libogg_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-libopenjpeg.sh b/zen-libopenjpeg.sh
new file mode 100755
index 0000000..2051ecf
--- /dev/null
+++ b/zen-libopenjpeg.sh
@@ -0,0 +1,41 @@
+#!/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.
+#
+# 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.
+#
+# 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 libopenjpeg_build {
+
+  local host=$1
+  pushDir $WORK/src
+  
+  svn co http://openjpeg.googlecode.com/svn/trunk/ libopenjpeg -r 2989
+  pushDir libopenjpeg
+  svn revert -R .
+  popDir
+
+  mkdir -p libopenjpeg/build/$host
+  pushDir libopenjpeg/build/$host
+  cmake -DCMAKE_INSTALL_PREFIX=$PREFIX/$host ../../
+  $MAKE
+  $MAKE install
+  popDir
+
+  popDir
+
+}
+
+function libopenjpeg_get_deps {
+ local a=0
+}
diff --git a/zen-libpng.sh b/zen-libpng.sh
index 1d96495..4e41e92 100755
--- a/zen-libpng.sh
+++ b/zen-libpng.sh
@@ -15,16 +15,17 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_libpng {
+function libpng_build {
   host=$1
   pushDir $WORK/src
 
-  lazy_download "libpng.tar.xz" "http://prdownloads.sourceforge.net/libpng/libpng-1.6.10.tar.xz?download"
+  lazy_download "libpng.tar.xz" "http://prdownloads.sourceforge.net/libpng/libpng-1.2.52.tar.xz?download"
   lazy_extract "libpng.tar.xz"
   mkgit "libpng"
 
   LDFLAGS+=" -L$WORK/release/$host/lib" \
   CFLAGS+=" -I$WORK/release/$host/include" \
+  CPPFLAGS+=" -I$WORK/release/$host/include" \
   autoconf_build $host "libpng"
   popDir
 }
diff --git a/zen-libpthread.sh b/zen-libpthread.sh
new file mode 100755
index 0000000..c41569c
--- /dev/null
+++ b/zen-libpthread.sh
@@ -0,0 +1,35 @@
+#!/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.
+#
+# 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.
+#
+# 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 libpthread_get_deps {
+  local a=0
+}
+
+function libpthread_build {
+
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "libpthread.tar.bz2" "http://xcb.freedesktop.org/dist/libpthread-stubs-0.1.tar.bz2"
+
+  lazy_extract "libpthread.tar.bz2"
+ 
+  autoconf_build $host "libpthread"
+ 
+  popDir
+
+}
diff --git a/zen-librtmp.sh b/zen-librtmp.sh
index 4b8b8d5..c9c1785 100755
--- a/zen-librtmp.sh
+++ b/zen-librtmp.sh
@@ -19,7 +19,7 @@ function librtmp_get_deps {
   local a=0
 }
 
-function build_librtmp {
+function librtmp_build {
   host=$1
   pushDir $WORK/src
   lazy_git_clone "git://git.ffmpeg.org/rtmpdump" rtmpdump 79459a2b43f41ac44a2ec001139bcb7b1b8f7497
@@ -27,7 +27,13 @@ function build_librtmp {
 
   pushDir rtmpdump/librtmp
 
-  sed -i "s/^SYS=posix/SYS=mingw/" Makefile
+  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-libsamplerate.sh b/zen-libsamplerate.sh
index 13e7851..c185ab0 100755
--- a/zen-libsamplerate.sh
+++ b/zen-libsamplerate.sh
@@ -15,7 +15,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-function build_libsamplerate {
+function libsamplerate_build {
   host=$1
   pushd $WORK/src
 
@@ -32,3 +32,6 @@ function build_libsamplerate {
   popd
 }
 
+function libsamplerate_get_deps {
+  local a=0
+}
diff --git a/zen-libsdl.sh b/zen-libsdl.sh
new file mode 100755
index 0000000..ad68f1b
--- /dev/null
+++ b/zen-libsdl.sh
@@ -0,0 +1,34 @@
+#!/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.
+#
+# 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.
+#
+# 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 libsdl_get_deps {
+  local a=0
+}
+
+function libsdl_build {
+  
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "libsdl.tar.gz" "https://www.libsdl.org/release/SDL2-2.0.3.tar.gz"
+  lazy_extract "libsdl.tar.gz" 
+
+ autoconf_build $host "libsdl" 
+
+ popDir
+
+}  
diff --git a/zen-libsndfile.sh b/zen-libsndfile.sh
index 0268948..9178e55 100755
--- a/zen-libsndfile.sh
+++ b/zen-libsndfile.sh
@@ -19,7 +19,7 @@ function libsndfile_get_deps {
   local a=0
 }
 
-function build_libsndfile {
+function libsndfile_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-libtheora.sh b/zen-libtheora.sh
index 99ed79e..0bf5141 100755
--- a/zen-libtheora.sh
+++ b/zen-libtheora.sh
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_libtheora {
+function libtheora_build {
   host=$1
   pushDir $WORK/src
 
@@ -23,7 +23,10 @@ function build_libtheora {
   lazy_extract "libtheora.tar.bz2"
   mkgit "libtheora"
 
-  autoconf_build $host "libtheora"
+  autoconf_build $host "libtheora" \
+    --enable-static \
+    --disable-shared \
+    --disable-examples
   popDir
 }
 
diff --git a/zen-libvorbis.sh b/zen-libvorbis.sh
index b01cdc6..2e7138f 100755
--- a/zen-libvorbis.sh
+++ b/zen-libvorbis.sh
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_libvorbis {
+function libvorbis_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-libvpx.sh b/zen-libvpx.sh
new file mode 100755
index 0000000..2b929fa
--- /dev/null
+++ b/zen-libvpx.sh
@@ -0,0 +1,46 @@
+#!/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 libvpx_build {
+  host=$1
+  pushDir $WORK/src
+
+  lazy_git_clone https://chromium.googlesource.com/webm/libvpx libvpx c5718a7aa3b5490fbfbc47d6f82e7cb3eed46a1e
+
+  local host2=$(echo $host | sed "s/x86_64-w64-mingw32/x86_64-win64-gcc/")
+  host2=$(echo $host2 | sed "s/i686-w64-mingw32/x86-win32-gcc/")
+  host2=$(echo $host2 | sed "s/x86_64-linux-gnu/x86_64-linux-gcc/")
+  mkdir -p libvpx/build/$host
+  pushDir libvpx/build/$host
+# CFLAGS+=" -I$PREFIX/$host/include " \
+# LDFLAGS+=" -L$PREFIX/$host/lib " \
+  ../../configure \
+   --target=$host2 \
+   --disable-examples \
+   --disable-unit-tests \
+   --disable-docs \
+  --prefix=$PREFIX/$host
+  $MAKE
+  $MAKE install
+  popDir
+
+  popDir
+}
+
+function libvpx_get_deps {
+  local a=0
+}
+
diff --git a/zen-libxau.sh b/zen-libxau.sh
new file mode 100755
index 0000000..955c063
--- /dev/null
+++ b/zen-libxau.sh
@@ -0,0 +1,35 @@
+#!/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.
+#
+# 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.
+#
+# 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 libxau_get_deps {
+  echo "xproto"
+}
+
+function libxau_build {
+
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "libxau.tar.gz" "http://www.x.org/releases/individual/lib/libXau-1.0.8.tar.gz"
+
+  lazy_extract "libxau.tar.gz"
+
+  autoconf_build $host "libxau"
+
+  popDir
+
+}
diff --git a/zen-libxcb.sh b/zen-libxcb.sh
new file mode 100755
index 0000000..5a389db
--- /dev/null
+++ b/zen-libxcb.sh
@@ -0,0 +1,39 @@
+#!/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.
+#
+# 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.
+#
+# 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 libxcb_get_deps {
+  echo xcb-proto
+  echo libpthread
+  echo libxau
+}
+
+function libxcb_build {
+
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "libxcb.tar.gz" "http://xcb.freedesktop.org/dist/libxcb-1.11.tar.gz"
+
+  lazy_extract "libxcb.tar.gz"
+
+  autoconf_build $host "libxcb"
+  
+  popDir
+
+}
+
+
diff --git a/zen-libxvidcore.sh b/zen-libxvidcore.sh
new file mode 100755
index 0000000..674fbda
--- /dev/null
+++ b/zen-libxvidcore.sh
@@ -0,0 +1,42 @@
+#!/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.
+#
+# 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.
+#
+# 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 libxvidcore_get_deps {
+  local a=0
+}
+
+function libxvidcore_build {
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "libxvidcore.tar.gz" "http://downloads.xvid.org/downloads/xvidcore-1.3.3.tar.gz" 
+  lazy_extract "libxvidcore.tar.gz"
+  
+  pushDir libxvidcore/build/generic
+  
+  ./configure \
+     --host=$host \
+     --prefix=$PREFIX/$host
+  
+  $MAKE
+  $MAKE install 
+ 
+
+  popDir 
+  popDir
+}
+
diff --git a/zen-opencore-amr.sh b/zen-opencore-amr.sh
new file mode 100755
index 0000000..7bfd9a0
--- /dev/null
+++ b/zen-opencore-amr.sh
@@ -0,0 +1,34 @@
+#!/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.
+#
+# 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.
+#
+# 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 opencore-amr_get_deps {
+  local a=0
+}
+
+function opencore-amr_build {
+
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_download "opencore-amr.tar.gz" "http://sourceforge.net/projects/opencore-amr/files/opencore-amr/opencore-amr-0.1.3.tar.gz"
+  lazy_extract "opencore-amr.tar.gz"
+
+  autoconf_build $host "opencore-amr" --enable-shared
+
+  popDir
+
+} 
diff --git a/zen-openh264.sh b/zen-openh264.sh
new file mode 100755
index 0000000..9ab63b8
--- /dev/null
+++ b/zen-openh264.sh
@@ -0,0 +1,47 @@
+#!/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.
+#
+# 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.
+#
+# 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 openh264_build {
+
+  host=$1
+  pushDir $WORK/src
+  local ARCH=$(get_arch $host)
+  local OS=$(get_os $host)
+
+  lazy_download "openh264.tar.gz" "https://github.com/cisco/openh264/archive/v1.3.1.tar.gz"
+  lazy_extract "openh264.tar.gz"
+  mkgit "openh264"
+
+  pushDir openh264
+
+  sed -i "s@^PREFIX=.*@PREFIX=$PREFIX/$host@" Makefile
+  sed -i "s@^ARCH=.*@ARCH=$ARCH@" Makefile
+  sed -i "s@^OS=.*@OS=$OS@" Makefile
+  sed -i "s/gnu/linux/" Makefile
+  sed -i "s/mingw32/mingw_nt/" Makefile
+
+  $MAKE
+  $MAKE install
+
+  popDir
+  popDir
+}
+
+function openh264_get_deps {
+  local a=0
+}
+
diff --git a/zen-openhevc.sh b/zen-openhevc.sh
new file mode 100755
index 0000000..22ac75e
--- /dev/null
+++ b/zen-openhevc.sh
@@ -0,0 +1,46 @@
+#!/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.
+#
+# 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.
+#
+# 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 openhevc_get_deps {
+  local a=0
+}
+
+function openhevc_build {
+  local host=$1
+  pushDir $WORK/src
+
+  lazy_git_clone "https://github.com/OpenHEVC/openHEVC" openhevc
+  
+  pushDir openhevc
+  mkdir build
+  pushDir build
+  
+  echo "SET(CMAKE_C_COMPILER $host-gcc)" > config.cmake
+  echo "SET(CMAKE_CXX_COMPILER $host-g++)" >> config.cmake
+  echo "SET(CMAKE_RC_COMPILER $host-windres)" >> config.cmake
+  echo "" >> config.cmake
+
+  cmake -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_TOOLCHAIN_FILE=config.cmake -DCMAKE_INSTALL_PREFIX=$PREFIX/$host ..
+  $MAKE 
+  $MAKE install 
+  
+  popDir
+  popDir
+  popDir
+ 
+}
diff --git a/zen-opus.sh b/zen-opus.sh
index f08e5d0..fa9940b 100755
--- a/zen-opus.sh
+++ b/zen-opus.sh
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_opus {
+function opus_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-portaudio.sh b/zen-portaudio.sh
index fa64567..7821ae7 100755
--- a/zen-portaudio.sh
+++ b/zen-portaudio.sh
@@ -1,5 +1,5 @@
 
-function build_portaudio {
+function portaudio_build {
   host=$1
   pushd $WORK/src
   lazy_download "portaudio.tar.gz" "http://www.portaudio.com/archives/pa_stable_v19_20140130.tgz"
diff --git a/zen-pthreads.sh b/zen-pthreads.sh
index e79489b..01614a5 100755
--- a/zen-pthreads.sh
+++ b/zen-pthreads.sh
@@ -1,5 +1,5 @@
 
-build_pthreads() {
+pthreads()_build {
   host=$1
   pushd $WORK/src
 
diff --git a/zen-sodium.sh b/zen-sodium.sh
index f43f071..48b5fa9 100755
--- a/zen-sodium.sh
+++ b/zen-sodium.sh
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_sodium {
+function sodium_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-toxcore.sh b/zen-toxcore.sh
index e66b9ba..1385810 100755
--- a/zen-toxcore.sh
+++ b/zen-toxcore.sh
@@ -15,11 +15,11 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_toxcore {
+function toxcore_build {
   host=$1
   pushDir $WORK/src
 
-  lazy_git_clone "https://github.com/irungentoo/toxcore.git" toxcore
+  lazy_git_clone "https://github.com/irungentoo/toxcore.git" toxcore 627e4d3aa629038b0e195f2189e9826b32c9531a
 
   mkdir -p toxcore/build/$host
   pushDir toxcore
@@ -28,6 +28,8 @@ function build_toxcore {
 
   mkdir -p toxcore/build/$host
   pushDir toxcore/build/$host
+  CFLAGS+=" -I$PREFIX/$host/include " \
+  LDFLAGS+=" -L$PREFIX/$host/lib " \
   ../../configure \
     --enable-static \
     --disable-shared \
@@ -44,5 +46,6 @@ function build_toxcore {
 function toxcore_get_deps {
   echo sodium
   echo opus
+  echo libvpx
 }
 
diff --git a/zen-tre.sh b/zen-tre.sh
index 13fbbfd..8268976 100755
--- a/zen-tre.sh
+++ b/zen-tre.sh
@@ -20,7 +20,7 @@ function tre_get_deps {
   local a=0
 }
 
-function build_tre {
+function tre_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-utox.sh b/zen-utox.sh
index 0414dcd..fb129be 100755
--- a/zen-utox.sh
+++ b/zen-utox.sh
@@ -15,7 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-function build_utox {
+function utox_build {
   host=$1
   pushDir $WORK/src
 
diff --git a/zen-vlc.sh b/zen-vlc.sh
index 0a52f1d..7cc2486 100755
--- a/zen-vlc.sh
+++ b/zen-vlc.sh
@@ -14,7 +14,7 @@
 # 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 build_vlc {
+function vlc_build {
   host=$1
   pushDir $WORK/src
 
@@ -30,7 +30,6 @@ function build_vlc {
     --enable-fribidi \
     --disable-mad \
     --disable-lua \
-    --disable-libgcrypt \
     --prefix=$PREFIX/$host
   $MAKE
   $MAKE install
@@ -43,5 +42,8 @@ function vlc_get_deps {
   echo "ffmpeg"
   echo "liba52"
   echo "fribidi"
+  echo "libgcrypt"
+  echo "libxcb"
+  echo "libalsa"
 }
 
diff --git a/zen-x264.sh b/zen-x264.sh
index 7afe06b..c8f9b6d 100755
--- a/zen-x264.sh
+++ b/zen-x264.sh
@@ -16,19 +16,16 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 
-function x264_get_deps {
-  local a=0
-}
-
-function build_x264 {
+function x264_build {
   local host=$1
   local crossPrefix=$(get_cross_prefix $BUILD $host)
 
   pushDir $WORK/src
-  lazy_git_clone "git://git.videolan.org/x264.git" x264
+  lazy_git_clone "git://git.videolan.org/x264.git" x264 40bb56814e56ed342040bdbf30258aab39ee9e89
 
   autoconf_build $host "x264" \
-    --enable-shared \
+    --enable-static \
+    --enable-pic \
     --disable-gpl \
     --disable-cli \
     --enable-win32thread \
@@ -44,3 +41,7 @@ function build_x264 {
   popDir
 }
 
+function x264_get_deps {
+  local a=0
+}
+
diff --git a/zen-x265.sh b/zen-x265.sh
old mode 100644
new mode 100755
index 859bcd7..5685d08
--- a/zen-x265.sh
+++ b/zen-x265.sh
@@ -16,24 +16,34 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 
-function x265_get_deps {
-  local a=0
-}
-
-function build_x265 {
+function x265_build {
   local host=$1
   local crossPrefix=$(get_cross_prefix $BUILD $host)
 
   pushDir $WORK/src
-  hg clone -r 6879 https://bitbucket.org/multicoreware/x265 x265
-  
+  if [ ! -d "x264/.hg" ] ; then
+    rm -rf x265
+    hg clone -r 6879 https://bitbucket.org/multicoreware/x265 x265
+  else
+    pushDir x265
+    hg revert
+    popDir
+  fi
+
   pushDir x265/
   applyPatch $scriptDir/patches/x265_02_version.diff
-  
-  mkdir -p build/$host
-  pushDir build/$host
 
-  echo "SET(CMAKE_C_COMPILER $host-gcc)" > config.cmake
+  mkdir -p bin/$host
+  pushDir bin/$host
+
+  echo "" > config.cmake
+  case $host in
+    *mingw*)
+      echo "SET(CMAKE_SYSTEM_NAME Windows)" >> config.cmake
+      ;;
+  esac
+
+  echo "SET(CMAKE_C_COMPILER $host-gcc)" >> config.cmake
   echo "SET(CMAKE_CXX_COMPILER $host-g++)" >> config.cmake
   echo "SET(CMAKE_RC_COMPILER $host-windres)" >> config.cmake
   echo "SET(CMAKE_RANLIB $host-ranlib)" >> config.cmake
@@ -44,13 +54,17 @@ function build_x265 {
   echo "SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS \"-static-libgcc -static-libstdc++ -static -O3 -s\")" >> config.cmake
   echo "SET(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS \"-static-libgcc -static-libstdc++ -static -O3 -s\")" >> config.cmake
   echo "SET(CMAKE_SHARED_LINKER_FLAGS \"-static-libgcc -static-libstdc++ -static -O3 -s\")" >> config.cmake
-  
+
   cmake -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=config.cmake -DCMAKE_INSTALL_PREFIX=$PREFIX/$host ../../source
   $MAKE x265-shared
   $MAKE install
-  
+
   popDir
   popDir
   popDir
 }
 
+function x265_get_deps {
+  local a=0
+}
+
diff --git a/zen-xcb-proto.sh b/zen-xcb-proto.sh
new file mode 100755
index 0000000..b1226cd
--- /dev/null
+++ b/zen-xcb-proto.sh
@@ -0,0 +1,36 @@
+#!/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.
+#
+# 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.
+#
+# 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 xcb-proto_get_deps {
+  local a=0
+}
+
+function xcb-proto_build {
+  
+  local host=$1
+  pushDir $WORK/src
+
+
+  lazy_download "xcb-proto.tar.gz" "http://xcb.freedesktop.org/dist/xcb-proto-1.11.tar.gz"
+
+  lazy_extract "xcb-proto.tar.gz"
+
+  autoconf_build $host "xcb-proto"
+
+  popDir
+
+}
diff --git a/zen-xproto.sh b/zen-xproto.sh
new file mode 100755
index 0000000..1cadc28
--- /dev/null
+++ b/zen-xproto.sh
@@ -0,0 +1,30 @@
+#!/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 xproto_build {
+  host=$1
+  pushDir $WORK/src
+
+  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/zen-zlib.sh b/zen-zlib.sh
index 0d5c89c..77b5818 100755
--- a/zen-zlib.sh
+++ b/zen-zlib.sh
@@ -20,7 +20,7 @@ function zlib_get_deps {
   local a=0
 }
 
-function build_zlib {
+function zlib_build {
 
   host=$1
   pushDir $WORK/src
diff --git a/zenbuild.sh b/zenbuild.sh
index 0aaf5d7..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
 }
@@ -174,6 +175,14 @@ function main {
 }
 
 function initCflags {
+
+  # avoid interferences from environment
+  unset CC
+  unset CXX
+  unset CFLAGS
+  unset CXXFLAGS
+  unset LDFLAGS
+
   CFLAGS="-O2"
   CXXFLAGS="-O2"
   LDFLAGS="-s"
@@ -188,8 +197,10 @@ function initCflags {
   export CXXFLAGS
   export LDFLAGS
 
+  local cores=$(nproc)
+
   if [ -z "$MAKE" ]; then
-    MAKE="make"
+    MAKE="make -j$cores"
   fi
 
   export MAKE
@@ -226,7 +237,7 @@ function lazy_build {
     build $host $depName
   done
 
-  build_${name} $host
+  ${name}_build $host
 
   printMsg "$name: build OK"
   mark_as_built $host $name
@@ -267,6 +278,7 @@ function autoconf_build {
     popDir
   fi
 
+  rm -rf $name/build/$host
   mkdir -p $name/build/$host
   pushDir $name/build/$host
   ../../configure \
@@ -408,7 +420,7 @@ function checkForCommonBuildTools {
     echo "apt-get install make"
     exit 1
   fi
-  
+
   if isMissing "cmake"; then
     echo "make not installed.  Please install with:"
     echo "pacman -S mingw-cmake"
@@ -462,7 +474,7 @@ function checkForCommonBuildTools {
     echo "apt-get install git"
     exit 1
   fi
-  
+
   if isMissing "hg" ; then
     echo "git not installed.  Please install with:"
     echo "pacman -S msys/mercurial"
@@ -470,7 +482,7 @@ function checkForCommonBuildTools {
     echo "apt-get install mercurial"
     exit 1
   fi
-  
+
   if isMissing "gperf" ; then
     echo "gperf not installed.  Please install with:"
     echo "pacman -S msys/gperf"