bug#57611: rust-once-cell (alacritty dependency) build failure

[Maxime Devos]

On 07-09-2022 01:15, Ben Van Sleen wrote:

Subject:

bug#57611: rust-once-cell (alacritty dependency) build failure

From:

Ben Van Sleen <benvansleen@gmail.com>

Date:

07-09-2022 01:15

To:

57611@debbugs.gnu.org

rust-once-cell-1 can't be built because it now depends on rust-parking-lot-core-0.9. This can't be built because it now requires rust-windows-sys-0.36 according to the crates page (https://crates.io/crates/parking_lot_core/0.9.3/dependencies). This package definition can be found in the guix channel that Must Not Be Named (right next to firefox), and is not present in the main guix repo.

I would guess the reasoning behind this is that rust-windows-sys requires some kind of nonfree code in its dependencies (perhaps rust-windows-aarch64-msvc-0.36?).

    AFAICT it is free, though whoever maintains that package forgot to
    include a copy of the license text.

If I'm wrong about this and the package does meet the Guix repo standards, then the alacritty problem can be fixed by incorporating the rust-windows-sys-0.36 package definition into (gnu packages crates-io).

Another solution would be to remove the dependency rust-windows-sys from rust-parking-lot-core-0.9 by patching the Cargo.toml appropriately (this dependency is only required for compiling to Windows targets).

Greetings,
MAxime.

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