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Building instructions

Linux

Dependencies:

  • cmake >= 3.1.0
  • zlib
  • qt >= 5.5 ( >= 5.6 is required if you want to rearrange tabs using drag&drop)
  • Python3.5+
  • python3-msgpack
  • python3-openssl or python3-pyopenssl (depending on your distro)
  • OpenSSL >= 1.0.0, < 1.1.0

Optional dependencies: (recommended for development)

  • clang-tidy
  • clang-format
  • libclang-common-dev
  • gtest

If your distribution has -dev or -devel packages, you'll also need ones corresponding to the dependencies above.

On Ubuntu it can be done like this:

apt-get install cmake zlib1g-dev qtbase5-dev g++ python3 python3-venv \
    python3-dev python3-msgpack python3-openssl libffi-dev libssl-dev \
    clang-tidy-6.0 clang-format-6.0 libclang-common-6.0-dev

To build:

$ mkdir build
$ cd build
$ cmake -D CMAKE_BUILD_TYPE=RelWithDebInfo ..
$ make

To install [which is optional], use:

$ make install

To run Veles from build directory we recommend creating virtualenv for Veles:

$ python3 -m venv ~/venv/veles
$ . ~/venv/veles/bin/activate
(veles) $ pip install -r ../python/requirements.txt

Then to run Veles you will need to activate the venv before running Veles:

$ . ~/venv/veles/bin/activate
(veles) $ ./veles

If you want to install to a non-default directory, you'll also need to pass it as an option to cmake before building, eg.:

$ cmake -D CMAKE_INSTALL_PREFIX:PATH=/usr/local ..

Python tests dependencies:

  • git
  • Python2.7
  • Python packages:
    • pip
    • tox>=2.4.0

On Ubuntu it can be done like this:

apt-get install git python2.7 python2.7-dev python3-pip
pip3 install tox>=2.4.0

Windows

You will need to install the following:

  • Qt for msvc2017_64
  • Visual Studio 2017 (Community edition is enough; you will need MSVC even when using only Qt Creator)
  • cmake + git (both can be installed with Visual Studio)
  • perl (only for building OpenSSL; e.g. Strawberry Perl)
  • Python3.5+ (you will also need to install dependencies from python/requirements.txt)

and add a folder containing cmake to PATH.

Qt Creator

Click Open Project, open CMakeLists.txt and configure the project for MSVC2017 64bit. Build the project.

In case of problems with perl, set PERL_EXECUTABLE in CMake configuration to the absolute path of perl.exe.

For speeding up further builds see the notes under Visual Studio 2017 section.

Visual Studio 2017

Open the source folder using File -> Open -> Folder... and then open CMake settings: CMake -> Change CMake Settings -> CMakeLists.txt. Example minimal config:

{
  "configurations": [
    {
      "name": "x64-Debug",
      "generator": "Visual Studio 15 2017 Win64",
      "configurationType": "Debug",
      "inheritEnvironments": [ "msvc_x64" ],
      "buildRoot": "DRIVE:\\some_path\\veles-build-${name}",
      "cmakeCommandArgs": "",
      "buildCommandArgs": "-m -v:minimal",
      "ctestCommandArgs": "",
      "variables": [
        {
          "name": "CMAKE_PREFIX_PATH",
          "value": "C:\\Qt\\5.9.1\\msvc2017_64"
        },
        {
          "name": "PERL_EXECUTABLE",
          "value": "C:\\StrawberryPerl\\perl\\bin\\perl.exe"
        }
      ]
    },
    {
      "name": "x64-RelWithDebInfo",
      "generator": "Visual Studio 15 2017 Win64",
      "configurationType": "RelWithDebInfo",
      "inheritEnvironments": [ "msvc_x64" ],
      "buildRoot": "DRIVE:\\some_path\\veles-build-${name}",
      "cmakeCommandArgs": "",
      "buildCommandArgs": "-m -v:minimal",
      "ctestCommandArgs": "",
      "variables": [
        {
          "name": "CMAKE_PREFIX_PATH",
          "value": "C:\\Qt\\5.9.1\\msvc2017_64"
        },
        {
          "name": "PERL_EXECUTABLE",
          "value": "C:\\StrawberryPerl\\perl\\bin\\perl.exe"
        }
      ]
    }
  ]
}

After the first successful build you can greatly speedup CMake configuration step and the build itself:

  • Copy libeay32.dll and ssleay32.dll from veles-build-${name}\openssl-1.0.2l\out32dll to a separate folder outside the build directory and set CMake var OPENSSL_DLL_DIR to it. Do this step for all used configurations (e.g. Debug and RelWithDebInfo).
  • Copy zlibstatic.lib (or zlibstaticd.lib for debug builds) from veles-build-${name}\zlib\${name}\ to a separate folder and point ZLIB_LIBRARY to it. Do the same with zlib.h and zconf.h from veles-build-${name}\prefix\include\, this time using ZLIB_INCLUDE_DIR. Repeat for all used configurations.

Additional Info

If you want to start Veles without doing install step, you will additionally have to set Server script field in Connection -> Connect... dialog to point to the srv.py file (which you can find in python folder in the Veles source tree).

If you want to run tests you will also need Google Test:

  1. git clone https://github.com/google/googletest.git
  2. Set GOOGLETEST_SRC_PATH to the cloned folder.

Enabling auto code formatting (build target format) and static analysis (target lint):

  1. Install LLVM 6.0.0.
  2. Set CLANG_TOOLS_PATH to a folder containing clang-format and clang-tidy (e.g. C:\Program Files\LLVM\bin).

Correctly configured build should take about 2 minutes on a CPU with 8 hyper-threads. If you find any problems with the instructions listed above, feel free to create an issue or ping us on IRC (#veles).