Re: [PATCH libgpiod RFC 0/3] bindings: rust: allow packaging of libgpiod-sys

[Bartosz Golaszewski <brgl@xxxxxxxx>]

On Tue, May 23, 2023 at 1:26 PM Erik Schilling
<erik.schilling@xxxxxxxxxx> wrote:
>
> As of now, the Rust bindings are only consumable as git dependencies
> (and even then come with some restrictions when wanting to control
> the build and linkage behaviour).
>
> This series does some (hopefully) cleanup and then proposes a change
> in how the Rust bindings are built and linked.
>
> Since the changes may require people hacking on the bindings to set some
> additional environment variables (at least if they want to avoid running
> make install), I am sending this as an RFC in order
> to hear opinions.
>
> For gpiosim-sys the situation is slightly more complex. Right now,
> libgpiosim installs without a pkg-config. If it is desireable to add
> one, that could be done and the same mechanism could be used. Otherwise,
> if packaging that lib is desirable (it looks like it?), we could either
> still query for libgpiod (and hope that the linker and include paths are
> matching) or need some other way to acquire the linker and include paths
> (and flags).
>
> So... The open questions:
> - Is this OK at all? Are people depending on this building against
>   relative paths?
> - What to do with gpiosim-sys (see above)?
> - Is there interest into getting this published on crates.io after
>   packaging is fixed?
>
> Signed-off-by: Erik Schilling <erik.schilling@xxxxxxxxxx>
> ---
> Erik Schilling (3):
>       bindings: rust: drop legacy extern crate syntax
>       bindings: rust: remove unneeded cc dependency
>       bindings: rust: build against pkg-config info
>
>  README                                | 13 ++++++++++-
>  bindings/rust/libgpiod-sys/Cargo.toml |  5 ++++-
>  bindings/rust/libgpiod-sys/build.rs   | 42 ++++++++++++++++++++++-------------
>  3 files changed, 42 insertions(+), 18 deletions(-)
> ---
> base-commit: 0a51d62f060dbc1b036dfd45e52d4d90f0ce3eeb
> change-id: 20230522-crates-io-773a0b6b423d
>
> Best regards,
> --
> Erik Schilling <erik.schilling@xxxxxxxxxx>
>

I applied the first two patches, I'll wait for the respon of 3/3.

Bart