Build steam for aarch64 on Valve's native arm64 client
Arch ships steam for x86_64 only, so on AArch64 `omarchy-pkg-add steam` found nothing. This aarch64 build installs the same Valve launcher files (desktop entry, icons, steam-devices udev rules) but replaces the x86 bootstrap with Valve's native arm64 client, which then updates itself from the stable steam_client_linuxarm64 channel. The bootstrap is just the client binary, which links only glibc, taken from the manifest's bins_linuxarm64_linuxarm64 zip and pinned to the sha2 the manifest publishes. /usr/bin/steam unpacks it on first launch, keeps the ~/.steam links the client requires, and restarts the client when it exits with 42 after updating. Valve's bin_steam.sh cannot do this: it only knows the ubuntu12_32 bootstrap. Beyond Arch's dependencies the client needs gtk2 and libibus for its UI, and lsof, which it runs to find its own IPC ports.
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{
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"source": "local"
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}
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# Maintainer: Ryan Hughes <ryan@omarchy.org>
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# Contributor: Levente Polyak <anthraxx[at]archlinux[dot]org>
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# Contributor: Giancarlo Razzolini <grazzolini@archlinux.org>
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# Contributor: Christian Heusel <gromit@archlinux.org>
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#
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# Arch builds steam for x86_64 only; this is the aarch64 build. It installs
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# the same Valve launcher files (desktop entry, icons, udev rules) but swaps
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# the x86 bootstrap for Valve's native arm64 client, which then updates itself
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# from Valve's linuxarm64 client channel. _client is the client build the
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# bootstrap was taken from; it only matters for the first launch, so it moves
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# with the launcher rather than with every client release.
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pkgbase=steam
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pkgname=(steam steam-devices)
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pkgver=1.0.0.87
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pkgrel=1
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_client=1788652215
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_client_zip=bins_linuxarm64_linuxarm64.zip.dc817d33f8308815bf4fde6a3cb61fd4529728c8
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pkgdesc="Valve's digital software delivery system"
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url='https://steampowered.com/'
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arch=('aarch64')
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license=('LicenseRef-steam-subscriber-agreement')
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# the beta directory is a superset of stable and also contains the stable releases
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source=(
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"https://repo.steampowered.com/$pkgbase/archive/beta/${pkgbase}_$pkgver.tar.gz"
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"$pkgbase-client-$_client.zip::https://client-update.steamstatic.com/$_client_zip"
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steam.sh
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)
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noextract=("$pkgbase-client-$_client.zip")
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# The client checksum is the sha2 Valve's steam_client_linuxarm64 manifest
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# publishes for that zip.
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sha256sums=('649375d2f9377f8009aaf3e2ff09978041eb9114897d9c5a3886f1d82e27ba1f'
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'c2d7c0ecb8de7e209504cd657b785127cd1ac3d905668c296e87c360b2b54163'
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'6f8d705e7d615b2debf8449898c51ad687136cd8f6605ef3c7573b4aa768e342')
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build() {
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# The arm64 counterpart of Valve's bootstraplinux_ubuntu12_32.tar.xz. The
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# client binary links only glibc and downloads the rest of Steam itself.
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mkdir -p bootstrap
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bsdtar -xf "$pkgbase-client-$_client.zip" -C bootstrap steamrtarm64/steam
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chmod 755 bootstrap/steamrtarm64 bootstrap/steamrtarm64/steam
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tar --sort=name --mtime="@$SOURCE_DATE_EPOCH" --owner=0 --group=0 --numeric-owner \
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-cJf bootstraplinux_linuxarm64.tar.xz -C bootstrap steamrtarm64
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}
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package_steam() {
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# Libraries the arm64 client links against from the host, plus lsof, which
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# the client runs to find its own IPC ports.
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depends=(
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alsa-lib
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at-spi2-core
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bash
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cairo
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coreutils
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dbus
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fontconfig
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freetype2
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gdk-pixbuf2
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glib2
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glibc
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gtk2
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hicolor-icon-theme
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libcups
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libdrm
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libgcc
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libglvnd
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libibus
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libnm
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libpipewire
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libpulse
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libsm
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libstdc++
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libva
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libvdpau
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libx11
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libxcomposite
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libxdamage
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libxext
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libxfixes
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libxi
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libxinerama
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libxkbcommon
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libxrandr
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libxrender
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libxtst
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lsof
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mesa
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nss
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openal
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pango
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sdl2-compat
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systemd-libs
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tar
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ttf-font
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vulkan-driver
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vulkan-icd-loader
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xdg-user-dirs
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xz
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)
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optdepends=(
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'ntsync-autoload: for NTSync support'
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'polkit: to setup SteamVR without root access'
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'xdg-desktop-portal-impl: file & folder picker'
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'xorg-fonts-misc: for non-latin locales'
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)
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depends+=(steam-devices)
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cd "$pkgbase-launcher"
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make DESTDIR="$pkgdir" install-docs install-icons install-desktop install-appdata
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install -Dm755 "$srcdir/steam.sh" "$pkgdir/usr/bin/steam"
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install -Dm644 "$srcdir/bootstraplinux_linuxarm64.tar.xz" -t "$pkgdir/usr/lib/steam"
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install -d "$pkgdir/usr/share/licenses/$pkgname"
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ln -s "../../doc/$pkgname/steam_subscriber_agreement.txt" "$pkgdir/usr/share/licenses/$pkgname/"
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install -Dm644 debian/changelog -t "$pkgdir/usr/share/doc/$pkgname"
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}
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package_steam-devices() {
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pkgdesc="List of devices Steam and SteamVR will want read/write permissions on"
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license=(MIT)
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depends=(udev)
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cd "$srcdir/$pkgbase-launcher/subprojects/steam-devices"
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install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
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install -Dm644 60-steam-input.rules "$pkgdir/usr/lib/udev/rules.d/60-steam-input.rules"
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install -Dm644 60-steam-vr.rules "$pkgdir/usr/lib/udev/rules.d/60-steam-vr.rules"
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}
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#!/bin/bash
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# Launches Valve's native arm64 Steam client.
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#
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# Valve's own launcher (bin_steam.sh) only knows the x86 bootstrap, so this
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# does its job for linuxarm64: unpack the client on first run, keep the
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# ~/.steam links the client refuses to start without, and start the client
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# again whenever it exits asking to be restarted after updating itself.
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set -euo pipefail
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bootstrap=/usr/lib/steam/bootstraplinux_linuxarm64.tar.xz
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# The exit status Steam uses to ask to be started again.
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restart_status=42
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if [[ $(id -u) == 0 ]]; then
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echo "steam: cannot run as root" >&2
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exit 1
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fi
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# Like Valve's launcher, follow ~/.steam/steam when it points at a working
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# install, so a library that was moved keeps working.
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steamroot=$(readlink -e "$HOME/.steam/steam" || true)
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if [[ -z $steamroot || ! -x $steamroot/steamrtarm64/steam ]]; then
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steamroot=${XDG_DATA_HOME:-$HOME/.local/share}/Steam
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if [[ ! -x $steamroot/steamrtarm64/steam ]]; then
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(umask 077 && mkdir -p "$steamroot" && tar -xJf "$bootstrap" -C "$steamroot")
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fi
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fi
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mkdir -p "$HOME/.steam"
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ln -sfn "$steamroot" "$HOME/.steam/steam"
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ln -sfn "$steamroot" "$HOME/.steam/root"
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# The arm64 counterpart of the sdk32/sdk64 links steam.sh makes for games
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# that load the Steam API from ~/.steam.
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ln -sfn "$steamroot/linuxarm64" "$HOME/.steam/sdkarm64"
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cd "$steamroot"
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while :; do
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status=0
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"$steamroot/steamrtarm64/steam" "$@" || status=$?
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((status == restart_status)) || exit "$status"
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done
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