Re: [Buildroot] [PATCH 1/1] package/dracut: disable dracut-cpio if host-rustc is not available

On 18/08/2026 13:00, Fiona Klute via buildroot wrote:
> From: "Fiona Klute (Othermo GmbH)" <[email protected]>
> 
> Since upstream commit 89a86dcb0a3248606824de50f5c63f61cfe0369c (first
> release: 106) if cargo exists on PATH the Dracut configure script
> enables building dracut-cpio by default, and calls "cargo --version"
> to check if cargo works. This fails on the autobuilders:
> 
> error: rustup could not choose a version of cargo to run, because one 
> wasn't specified explicitly, and no default is configured.
> help: run 'rustup default stable' to download the latest stable release 
> of Rust and set it as your default toolchain.
> dracut couldn't find cargo for dracut-cpio build
> 
> The affected configs either don't have BR2_PACKAGE_HOST_RUSTC enabled,
> or build-time.log.gz shows host-rustc was not installed before the
> host-dracut build, so presumably the "cargo" that produces the rustup
> error is an external one already installed on the autobuilders.
> 
> To fix this, enable dracut-cpio only if BR2_PACKAGE_HOST_RUSTC=y, and
> add a dependency on host-rustc in that case. According to the
> documentation [1, see "enhanced_cpio"] dracut-cpio is supposed to
> optimize archive creation for copy-on-write filesystems, so it should
> not matter much for Buildroot. The --disable-dracut-cpio option was
> added in upstream commit 4a4ab928a49e81e02104ec5466160664e59c3965
> (same release).
> 
> Fixes: 
> https://autobuild.buildroot.org/results/5f557d708cce997e7f039f17e30640b02ba9180a/
> Fixes: 
> https://autobuild.buildroot.org/results/f04ca3c4598f62a7e87d84bc111eb8b161b34a70/
> (and more)
> 
> [1] 
> https://dracut-ng.github.io/dracut/man/dracut.conf.5.html#_configuration_options
> 
> Signed-off-by: Fiona Klute (Othermo GmbH) <[email protected]>

Applied to master, thanks.
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