diff --git a/libvpx.spec b/libvpx.spec
index 996ff3b..f512e64 100644
--- a/libvpx.spec
+++ b/libvpx.spec
@@ -17,7 +17,7 @@
 
 Name:          libvpx
 Version:       1.6.0
-Release:       1mamba
+Release:       2mamba
 Summary:       VP8 Video Codec SDK
 Group:         System/Libraries
 Vendor:        openmamba
@@ -31,10 +31,12 @@ Source2:       libvpx.ver
 Patch0:        libvpx-0.9.0-no-explicit-dep-on-static-lib.patch
 Patch1:        libvpx-0.9.5-I6266aba7.patch
 License:       BSD
-BuildRequires: doxygen
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libgcc
+BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
+BuildRequires: doxygen
 %if "%{stage1}" != "1"
 BuildRequires: php
 # TODO BuildRequires: %{_bindir}/php-cli
@@ -89,7 +91,16 @@ CROSS=%{_host}- \
   --enable-install-docs \
 %endif
   --enable-shared \
-  --target=%{vpxtarget}
+  --target=%{vpxtarget} \
+  --enable-runtime-cpu-detect \
+  --enable-shared \
+  --enable-pic \
+  --enable-vp8 \
+  --enable-postproc \
+  --enable-vp9 \
+  --enable-vp9-highbitdepth \
+  --enable-experimental \
+  --enable-spatial-svc
 
 %make
 
@@ -134,6 +145,9 @@ chmod 644 %{buildroot}%{_includedir}/vpx/*.h
 #%endif
 
 %changelog
+* Sun Dec 11 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 1.6.0-2mamba
+- added many configure options for chromium
+
 * Fri Aug 05 2016 Automatic Build System <autodist@mambasoft.it> 1.6.0-1mamba
 - automatic version update by autodist