Build issues on ESP32-C3 about rs-matter HOT 12 CLOSED

With #48 and #43, I can now compile this as a dependency on an ESP32-C3. Now I'm going to try the LED example to see if I can get it working 😃

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The simplest solution to rustix is to compile env_logger with default features disabled, I'll make a PR for that.

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If one replaces smol = "1.3.0" with the one from https://github.com/esp-rs-compat/smol, it removes the socket2, libc and signal-hook-registry errors. So it looks like it's really only rustix that I can't find a known patch for somewhere.

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I had created an example that built on ESP32 (https://github.com/kedars/matter-rs/blob/master/examples/esp-onoff-light/Cargo.toml). The crypto part was all nullified, but the build was functional. It was quite an old version of the matter-rs so, but in case it helps your investigations.

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Thank you, I hadn't seen that. I've taken a brief look at it, it'll help me build an example once I've sorted out the deps.

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@kedars after resolving dependency issues, building fails because of the sys module not having a target_os = "espidf"

#[cfg(target_os = "macos")]
mod sys_macos;
#[cfg(target_os = "macos")]
pub use self::sys_macos::*;

#[cfg(target_os = "linux")]
mod sys_linux;
#[cfg(target_os = "linux")]
pub use self::sys_linux::*;

#[cfg(any(target_os = "macos", target_os = "linux"))]
mod posix;
#[cfg(any(target_os = "macos", target_os = "linux"))]
pub use self::posix::*;

So I was unsure of how to proceed from there. When building with hte esp Rust target, Cargo sets target_os to espidf.

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Yes, those things got introduced later on. You'll have to create the sys_espidf target, and implement the Psm and mDNS APIs. For now, you can just keep them empty?

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That's a reasonable approach, I'll do that, thanks.

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@kedars We should probably close this, because the two new branches compile for ESP IDF just fine.

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Yes

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@nevi-me Were you successful in running either of the branches on an ESP32 MCU?

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@nevi-me Were you successful in running either of the branches on an ESP32 MCU?

I haven't checked yet, I'll have time properly in the weekend. I'll confirm on Matrix when I've done so.

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