overte-HifiExperiments/BUILD_LINUX.md

Linux build guide

Please read the general build guide for information on dependencies required for all platforms. Only Linux specific instructions are found in this file.

Ubuntu 16.04/18.04 specific build guide

Ubuntu 16.04 only

Add the following line to .bash_profile
export QT_QPA_FONTDIR=/usr/share/fonts/truetype/dejavu/

Ubuntu 18.04 server only

Add the universe repository:
(This is not enabled by default on the server edition)

sudo add-apt-repository universe
sudo apt-get update

Install build tools:

• First update the repositiories:

sudo apt-get update -y
sudo apt-get upgrade -y

• git

sudo apt-get install git -y

Verify by git --version

• g++

sudo apt-get install g++ -y

Verify by g++ --version

• Ubuntu 18.04 cmake

sudo apt-get install cmake -y

Verify by cmake --version

• Ubuntu 16.04 cmake

wget https://cmake.org/files/v3.14/cmake-3.14.2-Linux-x86_64.sh
sudo sh cmake-3.14.2-Linux-x86_64.sh --prefix=/usr/local --exclude-subdir

Install build dependencies:

• OpenSSL

sudo apt-get install libssl-dev

Verify with openssl version

• OpenGL

sudo apt-get install libgl1-mesa-dev -y
sudo ln -s /usr/lib/x86_64-linux-gnu/libGL.so.346.35 /usr/lib/x86_64-linux-gnu/libGL.so.1.2.0

• Verify OpenGL:
  • First install mesa-utils with the command sudo apt install mesa-utils -y
  • Then run glxinfo | grep "OpenGL version"

To compile interface in a server you must install:

sudo apt-get -y install libpulse0 libnss3 libnspr4 libfontconfig1 libxcursor1 libxcomposite1 libxtst6 libxslt1.1

• Misc dependencies

sudo apt-get install libasound2 libxmu-dev libxi-dev freeglut3-dev libasound2-dev libjack0 libjack-dev libxrandr-dev libudev-dev libssl-dev zlib1g-dev

• Install Python 3 and required packages

sudo apt-get install python python3 python3-distro

• Install node, required to build the jsdoc documentation

sudo apt-get install nodejs

Get code and checkout the tag you need

Clone this repository:

git clone https://github.com/kasenvr/project-athena.git

To compile a RELEASE version checkout the tag you need getting a list of all tags:

git fetch -a

Then checkout last tag with:

git checkout kasen/core

Compiling

Create the build directory:

cd project-athena
mkdir build
cd build

Prepare makefiles:

cmake ..

• If cmake fails with a vcpkg error - delete /tmp/hifi/vcpkg.

Start compilation of the server and get a cup of coffee:

make domain-server assignment-client

To compile interface:

make interface

The commands above will compile with a single thread. If you have enough memory, you can decrease your build time using the -j flag. Since most x64 CPUs support two threads per core, this works out to CPU_COUNT*2. If you have a 2 core machine, you could use:

make -j4 interface

In a server, it does not make sense to compile interface

Running the software

Domain server

Running domain server:

./domain-server/domain-server

Assignment clients

Running assignment client:

./assignment-client/assignment-client -n 6

Interface

Running interface:

./interface/interface

Go to localhost in the running interface.

Notes

If your goal is to setup a development environment, it is desirable to set the directory that vcpkg builds to via the HIFI_VCPKG_BASE environment variable. By default, vcpkg will build in the system /tmp directory.

Ubuntu 18.04 only

In Ubuntu 18.04 there is a problem related with NVidia driver library version.

It can be worked around following these steps:

1. Uninstall incompatible nvtt libraries:
   sudo apt-get remove libnvtt2 libnvtt-dev

2. Install libssl1.0-dev:
   sudo apt-get -y install libssl1.0-dev

3. Clone castano nvidia-texture-tools:
   git clone https://github.com/castano/nvidia-texture-tools
cd nvidia-texture-tools/

4. Make these changes in repo:

• In file VERSION set 2.2.1
• In file configure:
  • set build="release"
  • set -DNVTT_SHARED=1

1. Configure, build and install:
   ./configure
make
sudo make install

1.. Link compiled files:
sudo ln -s /usr/local/lib/libnvcore.so /usr/lib/libnvcore.so
sudo ln -s /usr/local/lib/libnvimage.so /usr/lib/libnvimage.so
sudo ln -s /usr/local/lib/libnvmath.so /usr/lib/libnvmath.so
sudo ln -s /usr/local/lib/libnvtt.so /usr/lib/libnvtt.so

1. After running this steps you can run interface:
   interface/interface