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[chore](trx-rs): build the SDK image natively on x86_64 and arm64
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The sccache release asset is per-architecture and the Containerfile
hardcoded the x86_64 triple, so an arm64 build produced an image whose
sccache binary could not execute.  Everything else in the image — the
Debian base, the build dependencies, Node.js and rustup — already
resolves per architecture, so that one URL was what pinned the image to
amd64 and forced Rosetta or qemu on Apple Silicon.

Resolve the triple from `uname -m`, which reflects the build platform
under plain docker/podman build as well as buildx, unlike the
BuildKit-only TARGETARCH.

Document publishing `:latest` as a manifest list built natively on a host
of each architecture, since a single-architecture tag sends the other
side back to emulation, and note that Apple's `container` CLI needs
Rosetta for its BuildKit helper VM regardless of the target.

Pick the act_runner download by architecture for the same reason.

Verified on arm64: the case arm selects
sccache-v0.8.2-aarch64-unknown-linux-musl, and the installed binary
reports `sccache 0.8.2` running natively.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GdyUjuXejCEfiub675z6cz
Signed-off-by: Stan Grams <sjg@haxx.space>
This commit is contained in:
sjg
2026-08-02 12:14:44 +02:00
co-authored by Claude Opus 5
parent 22ff1349f3
commit c2455bb08c
2 changed files with 63 additions and 5 deletions
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container/Containerfile
+17 -4
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@@ -46,10 +46,23 @@ RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \
# sccache — shared compilation cache. Enabled at build time via
# RUSTC_WRAPPER (see the CI workflow and .devcontainer), not repo-wide, so
# non-SDK builds are unaffected. musl build is static and runs anywhere.
#
# The release asset is per-architecture, so resolve it from `uname -m` rather
# than hardcoding one triple: everything else in this image is arch-agnostic,
# and a pinned x86_64 URL is what forces an amd64 build (and Rosetta or qemu)
# on an arm64 host. `uname -m` reflects the build platform under plain
# docker/podman build as well as buildx, unlike the BuildKit-only TARGETARCH.
ARG SCCACHE_VERSION=0.8.2
RUN curl -fsSL "https://github.com/mozilla/sccache/releases/download/v${SCCACHE_VERSION}/sccache-v${SCCACHE_VERSION}-x86_64-unknown-linux-musl.tar.gz" \
| tar -xz -C /tmp \
&& install -m755 "/tmp/sccache-v${SCCACHE_VERSION}-x86_64-unknown-linux-musl/sccache" /usr/local/bin/sccache \
&& rm -rf /tmp/sccache-*
RUN set -eux; \
case "$(uname -m)" in \
x86_64) sccache_arch=x86_64 ;; \
aarch64|arm64) sccache_arch=aarch64 ;; \
*) echo "unsupported architecture for sccache: $(uname -m)" >&2; exit 1 ;; \
esac; \
sccache_dist="sccache-v${SCCACHE_VERSION}-${sccache_arch}-unknown-linux-musl"; \
curl -fsSL "https://github.com/mozilla/sccache/releases/download/v${SCCACHE_VERSION}/${sccache_dist}.tar.gz" \
| tar -xz -C /tmp; \
install -m755 "/tmp/${sccache_dist}/sccache" /usr/local/bin/sccache; \
rm -rf /tmp/sccache-*
WORKDIR /work