Re: Problem building rust application

[Efraim Flashner <efraim@flashner.co.il>]

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On Wed, Nov 20, 2024 at 10:27:29PM +0000, David Elsing wrote:
> Hi,
> 
> Andreas Enge <andreas@enge.fr> writes:
> > starting phase `build'
> > error: failed to select a version for `core-graphics-types`.
> >     ... required by package `core-graphics v0.23.2`
> >     ... which satisfies dependency `core-graphics = "^0.23.2"` of package `kanata v1.7.0-prerelease-2 (/tmp/guix-build-kanata-1.7.0-prerelease-2.drv-0/kanata-1.7.0-prerelease-2)`
> > versions that meet the requirements `^0.1` are: 0.1.1
> >
> > the package `core-graphics` depends on `core-graphics-types`, with features: `link` but `core-graphics-types` does not have these features.
> >
> > failed to select a version for `core-graphics-types` which could resolve this conflict
> >
> > We do have core-graphics-types@0.23.2 and core-graphics-types@0.1.1, so the
> > versions look okay to my untrained eye.
> 
> it appears that the crates `core-graphics` and `core-graphics-types` are
> developed in the same repository [1]. Looking at the commit where the
> `core-graphics` version was set to 0.23.2 [2], the
> corresponding `core-graphics-types` crate version (0.1.3) already has
> the "link" feature, but version 0.1.1 (the version in Guix) does not.
> This seems to be a mistake in the `core-graphics` crate.
> 
> As `kanata` depends on `core-graphics` version 0.23.2, you should add
> a package for rust-core-graphics-types with version 0.1.3 (the latest
> 0.1.* version) and use that instead in the #:cargo-inputs of
> rust-core-graphics-0.23.
> 
> Cheers,
> David
> 
> [1] https://github.com/servo/core-foundation-rs
> [2] https://github.com/servo/core-foundation-rs/blob/dd284a07f4aec3b78667462cd7ef56d0c6153c68
> 

Through some playing around I was able to build
rust-core-graphics-types@0.1.3, but I had to disable the automatic
linking. Since that crate is specifically for macOS I think the easiest
option you have is to remove the dependency from Cargo.toml with a
substitute* and just not include it.

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Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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