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Add the ARM64 cross toolchain, and follow the image to build/

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Batocera and the ES-family handhelds run on ARM, where a linux_x64
binary will not start. The image gains the aarch64 cross compiler and
the arm64 dev libraries the pipeline links against.

The image itself also moved out of the internal package namespace,
which did not travel with the repo during the org reorganization.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
mr.zero
2026-08-16 20:57:55 +02:00
co-authored by Claude Opus 5
parent f94698c123
commit 8793cb1996
2 changed files with 18 additions and 5 deletions
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README.md
+3 -3
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@@ -64,13 +64,13 @@ Apple Developer account.
`builder.Dockerfile` bakes the pipeline's build-step dependencies
(Go + git/make/zip/curl/jq and the X11/GL/ALSA dev libraries needed by
the cgo `linux-x64` build) into
`git.teletypegames.org/internal/ebitengine-builder`. Debian-based so
`git.teletypegames.org/build/ebitengine-builder`. Debian-based so
the linux binary links against glibc:
```sh
docker build --platform linux/amd64 -f builder.Dockerfile \
-t git.teletypegames.org/internal/ebitengine-builder:latest .
docker push git.teletypegames.org/internal/ebitengine-builder:latest
-t git.teletypegames.org/build/ebitengine-builder:latest .
docker push git.teletypegames.org/build/ebitengine-builder:latest
```
Detailed documentation lives on the wiki: `/development/ebitengine`.
builder.Dockerfile
+15 -2
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@@ -8,8 +8,8 @@
#
# Build & push (the CI runner is linux/amd64):
# docker build --platform linux/amd64 -f builder.Dockerfile \
# -t git.teletypegames.org/internal/ebitengine-builder:latest .
# docker push git.teletypegames.org/internal/ebitengine-builder:latest
# -t git.teletypegames.org/build/ebitengine-builder:latest .
# docker push git.teletypegames.org/build/ebitengine-builder:latest
# 1.26 covers every current game repo's go.mod directive (1.25.x, 1.26.x).
FROM golang:1.26-bookworm
@@ -24,6 +24,19 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
libasound2-dev \
&& rm -rf /var/lib/apt/lists/*
# linux-arm64 cross-build (Raspberry Pi, Odroid, retro handhelds). Ebitengine
# needs cgo on Linux, so the arm64 target needs a cross gcc plus the same
# X11/GL/ALSA headers for arm64. Debian's main mirror carries arm64, so
# `dpkg --add-architecture` is enough — no ports repository needed.
RUN dpkg --add-architecture arm64 \
&& apt-get update && apt-get install -y --no-install-recommends \
gcc-aarch64-linux-gnu libc6-dev-arm64-cross \
libgl1-mesa-dev:arm64 libglu1-mesa-dev:arm64 \
libx11-dev:arm64 libxcursor-dev:arm64 libxi-dev:arm64 \
libxinerama-dev:arm64 libxrandr-dev:arm64 libxxf86vm-dev:arm64 \
libasound2-dev:arm64 \
&& rm -rf /var/lib/apt/lists/*
# Our own Go modules (engines/inkwell, engines/gorpg) are served by the forge,
# not by proxy.golang.org, and are absent from the public checksum database.
ENV GOPRIVATE=git.teletypegames.org