Is systemd a hard dependency?

[DidierSpaier]

From the Slint maintainer:

Hi,

I built it in a Slint system, typing from the root of the cloned directory:
cargo fetch --locked --target "x86_64-unknown-linux-gnu"
cargo build --release --frozen

So far, so good. Then from target/release:

didier[release]$ ./pod-kast
thread 'main' panicked at 'called Result::unwrap() on an Err value:
SdError("failed to print to journal at '/run/systemd/journal/socket': libsystemd
error: No such file or directory (os error 2)")',
/home/didier/.cargo/registry/src/github.com-1ecc6299db9ec823/systemd-journal-logger-0.3.1/src/lib.rs:309:56
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace

Then:
didier[release]$ RUST_BACKTRACE=1 ./pod-kast
thread 'main' panicked at 'called Result::unwrap() on an Err value:
SdError("failed to print to journal at '/run/systemd/journal/socket': libsystemd
error: No such file or directory (os error 2)")',
/home/didier/.cargo/registry/src/github.com-1ecc6299db9ec823/systemd-journal-logger-0.3.1/src/lib.rs:309:56
stack backtrace:
0: rust_begin_unwind
1: core::panicking::panic_fmt
2: core::result::unwrap_failed
3: <systemd_journal_logger::JournalLog<K,V> as log::Log>::log
4: log::__private_api_log
5: pod_kast::main
note: Some details are omitted, run with RUST_BACKTRACE=full for a verbose
backtrace.

Does this mean that that libsystemd is a hard dependency? If that's case I won't
be able to provide it for Slint.

[mlytle4218]

Hello Didier,

It's not. Its configured for syslog as the default. I've been leaning toward making it not the default.

you'll need to check something. I haven't run quite the way you have before. I am relying on the cargo deb to create a deb file. That deb installation process makes a .pod-kast folder in the home folder of the user installing it. If you have that folder and there is a config file in it (pod-kast-config), there is a section with logging_type = "syslog". If you misspell syslog at all, it won't use syslog anymore but start rolling log files in .pod-kast/logs/ which uses a different library, and won't panic if it doesn't find systemd.

Marc

[DidierSpaier]

Hello Marc,

thanks, that did the trick.

As an side, instructions to build this software, as much distribution-agnostic as possible, would help to package it for several distributions. This being said I will try to package it for Slint in the coming days.

Didier