# RTT installation for ubuntu14.04 base on RTAI kernel
## install requirement (assuming that use the image I provided)
    apt-get install build-essential cmake libxerces-c2-dev omniorb libboost-all-dev doxygen
## get RTT source
    cd /usr/src
    git clone git://gitorious.org/orocos-toolchain/rtt.git
## add environment varible
    export RTAI_ROOT_DIR=/usr/realtime
    export RTAI_INCLUDE_DIR=$RTAI_ROOT_DIR/include
    export RTAI_LIBRARY=$RTAI_ROOT_DIR/lib
*you can also add this varible to ~/.bashrc (or ~/.zshrc)*
## build
    cd /usr/src/rtt
    mkdir build && cd build
    cmake .. -DOROCOS_TARGET=lxrt
    make
    make install

enjoy it!