Re: cargo-build-system: cargo-build-flags: --cfg=unix in package recipe

[ng0]

Danny Milosavljevic <address@hidden> writes:

> Hi,
>
> so it seems I got the cargo-build-system to work for large-ish Rust 
> dependency trees now. It still can't pick up transitive dependencies but hey 
> :P
>
> However, some of the Rust crates have a "windows" target which fails.
>
> For these I'd like to pass "--cfg=unix" and I'd like to put it into the 
> package recipe and not hardcode it into the build system.
>
> I saw that there's a "cargo-build-flags" parameter. However, specifying it 
> like
>
>   (arguments
>    `(#:cargo-build-flags '("--cfg=unix" "--release")))
>
> gives me "invalid keyword argument"... 
>
> Why?
>
>

It does indeed, and this would fix the bug I filed.
I've cut down the number of crates I packaged from 160 to 81 just
by removing the *32-sys and winapi dependencies after reading a
bit about the system.

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