diff --git a/VirtualBox-4.2.10-gcc-4.8.patch b/VirtualBox-4.3.12-gcc-4.9.patch
similarity index 54%
rename from VirtualBox-4.2.10-gcc-4.8.patch
rename to VirtualBox-4.3.12-gcc-4.9.patch
index 022e3a5..4cd50d2 100644
--- a/VirtualBox-4.2.10-gcc-4.8.patch
+++ b/VirtualBox-4.3.12-gcc-4.9.patch
@@ -1,14 +1,15 @@
---- VirtualBox-4.2.10/configure.orig	2013-03-05 15:24:16.000000000 +0100
-+++ VirtualBox-4.2.10/configure	2013-04-08 18:50:46.228109839 +0200
-@@ -414,9 +414,9 @@
+diff -Nru VirtualBox-4.3.12.orig/configure VirtualBox-4.3.12/configure
+--- VirtualBox-4.3.12.orig/configure	2014-05-16 14:18:25.000000000 +0200
++++ VirtualBox-4.3.12/configure	2014-06-15 16:23:03.372080228 +0200
+@@ -420,9 +420,9 @@
        elif [ $cc_maj -lt 3 \
               -o \( $cc_maj -eq 3 -a $cc_min -lt 2 \) \
               -o \( $cc_maj -eq 4 -a $cc_min -lt 1 -a "$OS" != "darwin" \) \
--             -o \( $cc_maj -eq 4 -a $cc_min -gt 7 \) \
-+             -o \( $cc_maj -eq 4 -a $cc_min -gt 8 \) \
+-             -o \( $cc_maj -eq 4 -a $cc_min -gt 8 \) \
++             -o \( $cc_maj -eq 4 -a $cc_min -gt 9 \) \
               -o $cc_maj -gt 4 ]; then
 -        log_failure "gcc version $cc_ver found, expected gcc 3.x with x>1 or gcc 4.x with 0<x<8"
-+        log_failure "gcc version $cc_ver found, expected gcc 3.x with x>1 or gcc 4.x with 0<x<9"
++        log_failure "gcc version $cc_ver found, expected gcc 3.x with x>1 or gcc 4.x with 0<x<10"
          fail really
        else
          log_success "found version $cc_ver"
diff --git a/VirtualBox.spec b/VirtualBox.spec
index 81371aa..d914dae 100644
--- a/VirtualBox.spec
+++ b/VirtualBox.spec
@@ -17,8 +17,8 @@
 %endif
 
 Name:          VirtualBox
-Version:       4.3.10
-Release:       2mamba
+Version:       4.3.12
+Release:       1mamba
 Summary:       A general-purpose full virtualizer for x86 hardware
 Group:         Graphical Desktop/Applications/Utilities
 Vendor:        openmamba
@@ -35,25 +35,14 @@ Source5:       %{name}-modprobe
 Source6:       vdfuse-20140417git.tar.xz
 Patch0:        %{name}-4.0.8-enable_ffmpeg_capture.patch
 Patch1:        %{name}-4.1.8-x86_64-disable_check_32bit.patch
-Patch2:        VirtualBox-4.2.10-gcc-4.8.patch
+Patch2:        VirtualBox-4.3.12-gcc-4.9.patch
 Patch3:        VirtualBox-4.2.16-vboxusb-permissions.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libcurl-devel
-BuildRequires: libgcc
 BuildRequires: libGL-devel
-BuildRequires: libglib-devel
 BuildRequires: libIDL-devel
-BuildRequires: libopenssl-devel
-BuildRequires: libpng-devel
-BuildRequires: libpython27-devel
-BuildRequires: libpython-devel
-BuildRequires: libqt4-devel
 BuildRequires: libSDL-devel
-BuildRequires: libstdc++6-devel
-BuildRequires: libvncserver-devel
-BuildRequires: libxml2-devel
 BuildRequires: libX11-devel
 BuildRequires: libXcomposite-devel
 BuildRequires: libXcursor-devel
@@ -64,20 +53,32 @@ BuildRequires: libXinerama-devel
 BuildRequires: libXmu-devel
 BuildRequires: libXrandr-devel
 BuildRequires: libXt-devel
+BuildRequires: libcurl-devel
+BuildRequires: libdevmapper-devel
+BuildRequires: libfuse-devel
+BuildRequires: libgcc
+BuildRequires: libglib-devel
+BuildRequires: libopenssl-devel
+BuildRequires: libpam-devel
+BuildRequires: libpng-devel
+BuildRequires: libpython27-devel
+BuildRequires: libqt4-devel
+BuildRequires: libstdc++6-devel
+BuildRequires: libvncserver-devel
+BuildRequires: libvpx-devel
+BuildRequires: libxml2-devel
 BuildRequires: libz-devel
-BuildRequires: pam-devel
 ## AUTOBUILDREQ-END
 BuildRequires: bin86
 BuildRequires: acpica
-BuildRequires: libIDL-devel
 BuildRequires: libalsa-devel
-BuildRequires: libz-devel
 BuildRequires: makeself
 BuildRequires: tetex-latex
 BuildRequires: latex-ucs
 BuildRequires: latex-font-bera
 BuildRequires: gsoap-devel
 BuildRequires: jdk
+BuildRequires: libfuse-devel
 Provides:      kernelvboxdrv
 Obsoletes:     kernelvboxdrv
 Requires(post):kernelheaders
@@ -151,10 +152,11 @@ Kernel DRM driver for VirtualBox guest machines.
 #-D -T
 #:<< _EOF
 #%patch1 -p1
-#%patch2 -p1
+%patch2 -p1
 %patch3 -p1
 
 %build
+#:<< _EOF
 export CFLAGS="%optflags"
 export CXXFLAGS="%optflags"
 ./configure \
@@ -189,11 +191,6 @@ kmk %{?_smp_mflags} VBOX_GCC_WERR= \
 #     s|\%PACKAGE\%|virtualbox|g" src/VBox/Installer/linux/vboxweb-service.sh.in > \
 #       src/VBox/Installer/linux/vboxweb-service.sh
 
-# build vdfuse
-cd vdfuse
-sh ./vdbuild_new ../include/ vdfuse.c
-cd ..
-
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -365,8 +362,12 @@ REMAKE_INITRD=no
 AUTOINSTALL=yes
 _EOF
 
-# install vdfuse binary
-install -m0755 vdfuse/vdfuse %{buildroot}%{_bindir}/vdfuse
+# build and install vdfuse
+cd vdfuse
+export INSTALL_DIR=%{buildroot}/opt/%{name}
+sh ./vdbuild_new ../include/ vdfuse.c
+install -m0755 vdfuse %{buildroot}%{_bindir}/vdfuse
+cd ..
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -581,6 +582,10 @@ fi
 %{_prefix}/src/vboxvideo-%{version}/*
 
 %changelog
+* Sun Jun 15 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 4.3.12-1mamba
+- update to 4.3.12
+- built with X.org 1.15
+
 * Thu Apr 17 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 4.3.10-2mamba
 - added vdfuse