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README.md

TokTok stack

Downloading

To download the TokTok stack, use git:

git clone --recursive https://github.com/TokTok/toktok-stack

Configuring

You may pass a compiler config for additional compiler-specific warnings and optimisations. If you use Clang (default on OSX), pass --config=clang. If you use GCC, pass --config=gcc. On Windows, you don't need any compiler flag because we assume it's MSVC.

There are also --config=release and --config=debug and more. See .bazelrc in this repository for more config flags you can pass. If you're using the Docker build, then --config=asan, tsan, and msan are also available.

We recommend copying .bazelrc.local.example to .bazelrc.local and customising it according to the comments in that file.

Building

After installing prerequisites (instructions below), run the following command in the toktok-stack directory:

bazel build //...

Installing prerequisites

To build the stack, first you need to install some software. This guide assumes an installation of Debian GNU/Linux version 9 and that you are in the toktok-stack directory. There is partial support for Mac OS X and FreeBSD, but not all targets can be built on those systems.

Bazel

Install the latest version of Bazel, e.g.:

wget https://github.com/bazelbuild/bazel/releases/download/3.1.0/bazel_3.1.0-linux-x86_64.deb
sudo dpkg -i bazel_3.1.0-linux-x86_64.deb

On OSX:

brew install bazel

On FreeBSD:

sudo pkg install bazel

On Windows:

choco install bazel

Qt5

To build Qt-based binaries such as qtox, you need an installation of Qt development headers and libraries and tools.

sudo apt install qttools5-dev qttools5-dev-tools libqt5svg5-dev

On OSX:

brew install qt

On FreeBSD:

sudo pkg install qt5

On Windows:

choco install qt

If your Qt installation doesn't live in a standard location, make changes to the detector script in tools/workspace/qt.bzl and consider sending us a pull request. If your version of Qt is different, edit WORKSPACE and adjust it in the qt_repository declaration.

Extra development packages

Some libraries have not yet been imported into third_party, so must be installed on the system.

For //qtox:

sudo apt install libasound2-dev libxss-dev

For //toxic:

sudo apt install libxss-dev

On OSX (for both qtox and toxic):

brew install ncurses

On FreeBSD:

sudo pkg install ncurses

Note that toxic also needs Python 3. See the section on Python for how to install its development files.

Python

To build py-toxcore-c and other programs using Python FFI, you need Python development headers. py-toxcore-c and toxic both need Python 3. Any of 3.5, 3.6, or 3.7 works.

sudo apt install python3.5-dev

On FreeBSD:

sudo pkg install python3

Native javacpp libraries

Streambot needs native libraries that need to be downloaded from Maven.

wget https://repo1.maven.org/maven2/org/bytedeco/javacpp-presets/ffmpeg/3.4.1-1.4/ffmpeg-3.4.1-1.4-linux-x86_64.jar -O third_party/javacpp/ffmpeg/jar/ffmpeg-3.4.1-1.4-linux-x86_64.jar
wget https://repo1.maven.org/maven2/org/bytedeco/javacpp-presets/opencv/3.4.0-1.4/opencv-3.4.0-1.4-linux-x86_64.jar -O third_party/javacpp/opencv/jar/opencv-3.4.0-1.4-linux-x86_64.jar

Android SDK

If you want to build Android apps such as toktok-android, you need the Android SDK. E.g.:

wget https://dl.google.com/android/repository/commandlinetools-linux-6200805_latest.zip
unzip -d third_party/android/sdk/ commandlinetools-linux-6200805_latest.zip
rm commandlinetools-linux-6200805_latest.zip

On OSX, replace linux with mac in the above instructions.

You will need to install the latest build tools (aapt and friends) and platform 28 (targeted by our Android apps) using the SDK manager. Press "y" to accept all the licenses as you are asked. Use sdkmanager --list to see the latest versions of each package after updating.

third_party/android/sdk/tools/bin/sdkmanager --update
third_party/android/sdk/tools/bin/sdkmanager 'build-tools;29.0.2'
third_party/android/sdk/tools/bin/sdkmanager 'platforms;android-28'

If you want to run instrumentation tests, also install an emulator image:

third_party/android/sdk/tools/bin/sdkmanager 'system-images;android-28;default;x86'

If you get Warning: Could not create settings and an exception, run the following steps instead of the --update step:

third_party/android/sdk/tools/bin/sdkmanager --sdk_root=third_party/android/sdk --update
third_party/android/sdk/tools/bin/sdkmanager --sdk_root=third_party/android/sdk 'tools'

From then on, you won't need the --sdk_root flag anymore. See this stackoverflow for more details.

If you're using Java 11, see this stackoverflow answer if you're getting exceptions or other errors when running sdkmanager.

Building native code for Android

After installing prerequisites (instructions below), run:

bazel build --config=android //c-toxcore/auto_tests/...

WARNING: This build mode does not work at all, yet. Patches welcome!

Installing Android prerequisites

NDK

wget https://dl.google.com/android/repository/android-ndk-r16b-linux-x86_64.zip
unzip -d third_party/android/ android-ndk-r16b-linux-x86_64.zip

Note that the version of Clang coming with android-ndk-r16b needs libncurses.so.5, which on Debian is in the libncurses5 package.

On OSX, replace linux with darwin.

Troubleshooting

Xcode version must be specified to use an Apple CROSSTOOL

Try running the following:

sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
sudo xcodebuild -license
bazel clean --expunge

See this GitHub comment or this stackoverflow answer for more details.

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