sudo -i
yum update
yum install gcc
yum install gcc-c++
yum install make

cd /usr/local/src/
wget http://www.tortall.net/projects/yasm/releases/yasm-0.7.0.tar.gz
tar zfvx yasm-0.7.0.tar.gz
cd yasm-0.7.0
./configure && make && make install

yum install git
yum install subversion
yum install check-devel
yum groupinstall "Development Tools" -y

cd /usr/local/src
wget http://webm.googlecode.com/files/libvpx-v0.9.6.tar.bz2
tar -xvf libvpx-v0.9.6.tar.bz2
cd libvpx-v0.9.6
./configure
make
make install