prepare_linux_environment

#!/bin/bash

if ! { lsb_release -i | grep -i ubuntu > /dev/null; }; then
    echo "Must be running Ubuntu >= 12.04";
    exit 1;
fi

echo "Adding additional software repositories -------------------------------"
sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
if ! sudo apt-get update; then
    echo "Error updating apt package database";
    exit 2;
fi

echo "Installing g++-4.8 ----------------------------------------------------"
if ! sudo apt-get install g++-4.8 cmake; then
    echo "Error installing g++-4.8 and/or cmake-3.0";
    exit 3;
fi

echo "Setting g++-4.8 to be the default system compiler ---------------------"
sudo update-alternatives --remove-all gcc
sudo update-alternatives --remove-all g++
if ! ( sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 20 &&
       sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 20 &&
       sudo update-alternatives --config gcc &&
       sudo update-alternatives --config g++ ); then
    echo "Error updating default g++ to version 4.8";
fi

echo "Installing OpenGL development libraries -------------------------------"
if ! sudo apt-get install nvidia-current-dev; then
    echo "Error installing OpenGL development libraries";
    exit 4;
fi

echo "Installing additional libraries ---------------------------------------"
if ! sudo apt-get install libglu1-mesa-dev libxi-dev liblapack-dev libv4l-dev libavcodec-dev libavutil-dev libavformat-dev libswscale-dev libavdevice-dev; then
    echo "Error installing additional libraries";
    exit 5;
fi

echo "Downloading cmake-3.0.2 source code -----------------------------------"

if ! { wget http://www.cmake.org/files/v3.0/cmake-3.0.2.tar.gz -O - | tar xz -C /tmp; }; then
    echo "Error downloading cmake-3.0.2 source code"
    exit 6;
fi

orig_pwd=`pwd`

if ! { cd /tmp/cmake-3.0.2 && ./bootstrap && make -j4 && sudo make install; }; then
    echo "Cannot compile and install cmake-3.0.2";
    exit 7;
fi

echo "Removing possibly installed old cmake --------------------------------"
sudo apt-get remove cmake

echo "Environment set up successfully, have a nice day!"