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Evaluate use of vcpkg for cross-platform dependency management #59

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rs22 opened this issue Aug 7, 2023 · 3 comments · May be fixed by #63
Open

Evaluate use of vcpkg for cross-platform dependency management #59

rs22 opened this issue Aug 7, 2023 · 3 comments · May be fixed by #63

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@rs22
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rs22 commented Aug 7, 2023

Windows compatibility is an interesting feature for the medium-term future.

Towards that goal, what needs to be done?

  1. Supplying the dependencies
  2. Continue using platform-independent OS interfaces (e.g. Berkeley Sockets)
  3. Create platform-dependent implementations for other OS interfaces (I think mostly event loop (select/WaitForMultipleObjects))

To achieve 1., Microsoft provides a dependency resolution system (C++ package manager?) that works for Linux, Windows, macOS: https://github.com/microsoft/vcpkg

It integrates nicely with CMake and seems to include ports for everything we require:

  • wolfSSL
  • libsodium
  • gRPC
  • CTest
  • anything missing?
@laugengebaeck
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laugengebaeck commented Aug 16, 2023 •
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This does not work at the moment, because vcpkg does not ship WolfSSL with DTLS support. Otherwise, vcpkg works quite well (apart from CMake forgetting about vcpkg when re-run the configure step and only trying to use it again after you deleted the whole CMake cache). You just install the packages (wolfssl, libsodium, grpc), provide the toolchain file path to CMake and then nearly everything works out of the box.

Edit: The "CMake forgetting stuff" thing seems to be more of a VS Code problem.

@laugengebaeck
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laugengebaeck commented Aug 16, 2023 •
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Installing vcpkg (on branch vcpkg-dependencies):

git submodule update --init && ./vcpkg/bootstrap-vcpkg.sh --disableMetrics

Then configure CMake with --preset vcpkg (this automatically installs required packages) and you're good to go.

@laugengebaeck
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Vcpkg supports feature flags for ports, so we could add flags for dtls (and for the secret callback) and then do a PR in the official vcpkg repository.

See: https://devblogs.microsoft.com/cppblog/vcpkg-introducing-installation-options-with-feature-packages/

@laugengebaeck laugengebaeck linked a pull request Aug 21, 2023 that will close this issue
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Use vcpkg for dependency management eulynx-live/librasta
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@rs22 @laugengebaeck