rust: fix host build on x64 Darwin#29688
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rust/host fails to compile on macOS running on Intel x64
because the host target triple is autogenerated to be
'arm64-unknown-linux-'. Rust doesn't have such a target triple, thus the
build fails because there are no pre-built artefacts for bootstrapping.
Fix this by setting RUSTC_HOST_ARCH to 'x86_64-apple-darwin' in case
our host is HOST_ARCH=x86_64 and HOST_OS=Darwin.
This fix is based on the existing fix for Apple silicon [1].
Fixes:
File "/Volumes/pepe/py/openwrt/build_dir/target-x86_64_musl/host/rustc-1.96.0-src/x.py", line 53, in <module>
bootstrap.main()
~~~~~~~~~~~~~~^^
File "/Volumes/pepe/py/openwrt/build_dir/target-x86_64_musl/host/rustc-1.96.0-src/src/bootstrap/bootstrap.py", line 1418, in main
bootstrap(args)
~~~~~~~~~^^^^^^
File "/Volumes/pepe/py/openwrt/build_dir/target-x86_64_musl/host/rustc-1.96.0-src/src/bootstrap/bootstrap.py", line 1366, in bootstrap
build.download_toolchain()
~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/Volumes/pepe/py/openwrt/build_dir/target-x86_64_musl/host/rustc-1.96.0-src/src/bootstrap/bootstrap.py", line 697, in download_toolchain
download_component(download_info)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
File "/Volumes/pepe/py/openwrt/build_dir/target-x86_64_musl/host/rustc-1.96.0-src/src/bootstrap/bootstrap.py", line 529, in download_component
get(
~~~^
download_info.base_download_url,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...<3 lines>...
verbose=download_info.verbose,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/Volumes/pepe/py/openwrt/build_dir/target-x86_64_musl/host/rustc-1.96.0-src/src/bootstrap/bootstrap.py", line 58, in get
raise RuntimeError(
...<6 lines>...
)
RuntimeError: src/stage0 doesn't contain a checksum for dist/2026-04-16/rust-std-1.95.0-x86_64-unknown-linux-darwin24.6.0.tar.xz. Pre-built artifacts might not be available for this target at this time, see https://doc.rust-lang.org/nightly/rustc/platform-support.html for more information.
[1] openwrt@105fa39
Signed-off-by: Georgi Valkov <gvalkov@gmail.com>
(cherry picked from commit aa32dd2)
Signed-off-by: Georgi Valkov <gvalkov@gmail.com>
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📦 Package Details
Maintainer: @lu-zero
Description:
cherry-pick: aa32dd2 original PR: #29685
rust/hostfails to compile on macOS running on Intel x64 because the host target triple is autogenerated to bearm64-unknown-linux-. Rust doesn't have such a target triple, thus the build fails because there are no pre-built artefacts for bootstrapping.Fix this by setting
RUSTC_HOST_ARCHtox86_64-apple-darwinin case our host isHOST_ARCH=x86_64andHOST_OS=Darwin. This fix is based on the existing fix for Apple silicon [1].Fixes:
[1] 105fa39
[2] #21837
🧪 Run Testing Details
✅ Formalities
@robimarko @PolynomialDivision @BKPepe