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For 2016, I find: For 2017, I find:

Requirements

We try to follow the following rules regarding which versions of operating systems, compilers, Python and other tools we support.

  • Python: versions within their lifespan, but not necessarily the latest version. We only support newer versions when someone wants to add support for it in the translator and driver.
  • LP solvers (CPLEX and Soplex) and OSI: one fixed version. We only upgrade the supported version if the current version no longer works or someone wants to have a newer version and adds support for it.
  • GCC and Clang on Ubuntu: we support GCC and Clang as available via a standard installation from the package manager in the latest two LTS releases of Ubuntu.
  • Clang on macOS: we only support the default compiler on the single macOS version we support, which is decided by what is available on GitHub actions.

  • MSVC on Windows: we only support the default MSVC compiler which comes with the Visual Studio version on the Windows version(s) available on GitHub actions.

  • CMake: we support the versions of CMake from the last two Ubuntu LTS releases.

Each (future) release of Fast Downward lists the software versions it supports.

[Jendrik: I think it would be best to add this info to the repo, not the wiki. This will make it easier for people to run Fast Downward versions from Zenodo, for example.]

According to the above rules, this is the current list of supported/required versions:

  • Python: 3.6 through 3.8
  • CPLEX: 12.9
  • Soplex: 3.1.1
  • OSI: 0.107.9
  • GCC: 4.8 through 10
  • Clang: 3.9 through 11
  • macOS: Catalina 10.15 with its default compiler
  • Windows: Visual Studio Enterprise 2017 and 2019
  • CMake 2.8.3 required in CMakeLists.txt, 3.10.2 tested

[Jendrik] I think we should test and support the latest Python, GCC and Clang versions that are available via apt in the latest Ubuntu LTS available for GitHub actions. Also, I think the above list is what we currently test, not what we want to test. [Silvan, answer to Jendrik] I think we agreed to only support versions where someone wants to add support for. For Python 3.9, we haven't added support yet. If you want to do so, then we should open an issue that adds support for Python 3.9. For GCC and Clang, I don't understand how your comment differs from what I wrote. I neither understand your last comment -- the above list is what we currently test and I think it fits with "what we want to test", at least from what I understood we agreed on. [Florian] For macOS and the two VS versions it would be good to add what the default compiler is. [Silvan, answer to Florian] In our meeting, I didn't understand what the version in the end was. Feel free to add yourself if you understand it from https://github.com/actions/virtual-environments/blob/main/images/win/Windows2019-Readme.md and https://github.com/actions/virtual-environments/blob/main/images/win/Windows2016-Readme.md For 2019, I find: Microsoft.VisualStudio.Component.VC.14.25.x86.x64 16.8.30509.167 Microsoft.VisualStudio.Component.VC.140 16.8.30509.167 For 2017, I find: Microsoft.VisualStudio.Component.VC.140 15.7.27617.1