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ci: check the client for aarch64 on every push

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Adds a `rust-arm64` job: clippy -D warnings for the client crates at
--target aarch64-unknown-linux-gnu, plus a --no-default-features session
build so the minimal embedded configuration keeps compiling in its own
right rather than only as a subset of the default one. Runs in the cross
image on the ordinary amd64 runner; client crates are listed explicitly
because --workspace would drag in the x86-only host encode stack.

This is a regression guard, not an artifact leg (deb.yml ships those).
c_char signedness cuts both ways and neither direction is visible from an
x86-only CI: hardcoding i8 fails to COMPILE on ARM, while casting to u8
fails the LINT on ARM. Two such defects were already found this way.

Also documents the arm64 client .deb recipe in packaging/debian/README.md.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
enricobuehler
2026-07-25 14:32:45 +02:00
co-authored by Claude Opus 5
parent ab3884c763
commit cac82d13df
2 changed files with 69 additions and 0 deletions
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packaging/debian/README.md
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@@ -171,3 +171,25 @@ docker run --rm -v "$PWD:/src" -w /src pf-noble \
`BUNDLE_FFMPEG=1` needs `patchelf` and an FFmpeg install at `FFMPEG_PREFIX` (default `/opt/ffmpeg`,
which the noble image provides).
### The arm64 client `.deb`
The **client** also ships for arm64 (`punktfunk-client_<version>_arm64.deb`, published to the same
apt distribution — the registry keys pool entries by architecture, so an arm64 box needs no extra
configuration). There is no arm64 **host** package: the Linux host encodes with NVENC/QSV/AMF, all
x86.
It is cross-compiled on an ordinary amd64 machine in `ci/rust-ci-arm64cross.Dockerfile` — the
rust-ci toolchain plus an Ubuntu ports arm64 multiarch sysroot. No arm64 runner is involved:
```sh
docker build -f ci/rust-ci-arm64cross.Dockerfile -t pf-arm64cross . # repo-root context
docker run --rm -v "$PWD:/w" -w /w pf-arm64cross \
bash -lc 'VERSION=0.0.1 ARCH=arm64 TARGET=aarch64-unknown-linux-gnu \
bash packaging/debian/build-client-deb.sh'
```
`TARGET` moves the binaries to `target/<triple>/release`; `ARCH` sets the package's
`Architecture:` field. Set both — one without the other builds an amd64 binary into a package
labelled arm64, or vice versa. `dpkg-shlibdeps` reads the arm64 sonames straight out of the
multiarch sysroot, so `Depends:` comes out right with no manual list.