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prerequisites-linux.md

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Prerequisites (Linux)

Below is the list of prerequisites for building Silk on Linux. These instructions have only been tested on Ubuntu 14.04 LTS. (Ubuntu 16.04 LTS is known not to work for most device builds.)

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.31.0/install.sh | bash
source ~/.nvm/nvm.sh
nvm install 6.10.3

cmake 3.x is required, add a PPA for it since Ubuntu 14.04 doesn't have it out of the box:

sudo add-apt-repository ppa:george-edison55/cmake-3.x
sudo apt-get update

Add the gcc 5 PPA:

sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
sudo apt-get update

Then install the following packages:

sudo apt-get install -y \
  android-tools-adb \
  android-tools-fastboot \
  apt-file \
  autoconf \
  bc \
  ccache \
  chrpath \
  cmake \
  diffstat \
  g++ \
  g++-4.8 \
  g++-4.8-multilib \
  g++-5 \
  gawk \
  git \
  jq \
  lib32stdc++6 \
  lib32z1 \
  libatlas-base-dev \
  libc6-dev \
  libc6-dev-i386 \
  libopencv3-dev \
  libtool \
  libxml2-utils \
  linux-libc-dev  \
  m4 \
  mkisofs \
  openjdk-7-jdk \
  openssh-server \
  python-pip \
  python-virtualenv \
  texinfo \
  xmlstarlet \
  zip

and configure your ccache:

ccache -M 10GB

then select gcc 5 as the default host compiler:

sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-5 20
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 10
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-5 20
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 10
sudo update-alternatives --display gcc
sudo update-alternatives --display g++

also install ninja:

wget https://github.com/ninja-build/ninja/releases/download/v1.7.2/ninja-linux.zip
unzip ninja-linux.zip
sudo cp ninja /usr/bin
sudo chmod +x /usr/bin/ninja
rm ninja-linux.zip ninja

Once you're done, continue to the building instructions.