#!/bin/bash sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test sudo apt-get -qq update sudo apt-get -qq install g++-4.8 libstdc++-4.8-dev sudo update-alternatives --quiet --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 60 --slave /usr/bin/g++ g++ /usr/bin/g++-4.8 --slave /usr/bin/gcov gcov /usr/bin/gcov-4.8 sudo update-alternatives --quiet --set gcc /usr/bin/gcc-4.8 if ! [ -z "${BUILD_CAPNP}" ]; then sudo apt-get install autoconf automake libtool autotools-dev wget https://github.com/kentonv/capnproto/archive/master.zip && unzip master.zip && cd capnproto-master/c++ && ./setup-autotools.sh && autoreconf -i && ./configure && make -j6 check && sudo make install && sudo ldconfig && cd ../.. fi