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build(arch): build the client for aarch64 (Arch Linux ARM)

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arch=('x86_64' 'aarch64'), and on aarch64 `pkgname` drops punktfunk-host
so makepkg never enters the host's build or package path; build() takes a
client-only cargo invocation without the NVENC/Vulkan-encode features.
Dropping the host from pkgname rather than giving package_punktfunk-host a
per-package arch is what makes the skip unambiguous, and it mirrors how
PF_WITH_WEB already extends that array.

The host stays x86-only because its encode stack (NVENC/QSV/AMF) is.

Verified by sourcing the PKGBUILD under both CARCH values: x86_64 yields
`punktfunk-host punktfunk-client`, aarch64 yields `punktfunk-client`. NOT
verified by a real build — there is no official arm64 Arch container, and
the README says so rather than implying it is tested.

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 1c76b8c7b4
commit 4dc078692d
2 changed files with 37 additions and 2 deletions
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packaging/arch/README.md
+19
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@@ -70,6 +70,25 @@ makepkg -si
# …add the web console too (needs bun / bun-bin):
PF_WITH_WEB=1 PF_SRCDIR="$(git rev-parse --show-toplevel)" makepkg -f --holdver
```
### aarch64 (Arch Linux ARM) — the client
The PKGBUILD declares `arch=('x86_64' 'aarch64')`. On aarch64 it builds the **client only** —
`pkgname` drops `punktfunk-host`, so makepkg never enters the host's build or package path, and
`build()` skips the host/tray cargo invocations and their NVENC/Vulkan-encode features. The host
stays x86-only because its encode stack (NVENC/QSV/AMF) is.
Nothing else changes — run the same command on an Arch Linux ARM box:
```sh
cd packaging/arch
PF_SRCDIR="$(git rev-parse --show-toplevel)" makepkg -f --holdver
# -> punktfunk-client-<ver>-<rel>-aarch64.pkg.tar.zst (no punktfunk-host package)
```
There is no cross-compile path here: makepkg builds for `CARCH`, so this wants a real aarch64
Arch machine (or an emulated Arch Linux ARM container, which is slow). Unlike the deb, it has
**not** been verified end to end yet — there is no official arm64 Arch container to test in.
Then the standard first-run (printed by the install scriptlet):
```sh
sudo usermod -aG input "$USER" # virtual gamepads; re-login after