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`uname -m` on Linux reports `aarch64`, but on MacOS reports `arm64`.
Commonize this to `aarch64`.
With this fix, it is now possible to run aarch64 CI docker images on Arm
MacOS.
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Promote the `wasm32-wasip2` target to Tier 2
This commit promotes the `wasm32-wasip2` Rust target to tier 2 as proposed in rust-lang/compiler-team#760. There are two major changes in this PR:
1. The `dist-various-2` container, which already produces the other WASI targets, now has an extra target added for `wasm32-wasip2`.
2. A new `wasm-component-ld` binary is added to all host toolchains when LLD is enabled. This is the linker used for the `wasm32-wasip2` target.
This new linker is added for all host toolchains to ensure that all host toolchains can produce the `wasm32-wasip2` target. This is similar to how `rust-lld` was originally included for all host toolchains to be able to produce WebAssembly output when the targets were first added. The new linker is developed [here][wasm-component-ld] and is pulled in via a crates.io-based dependency to the tree here.
[wasm-component-ld]: https://github.com/bytecodealliance/wasm-component-ld
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Update dist-riscv64-linux to binutils 2.40
binutils 2.40 is required by LLVM 19, as older versions do not know about the zmmul extension.
I've had to backport some patches to glibc and gcc as well, as they don't build with binutils 2.40. Alternatively, we could also switch to glibc 2.35 and gcc 10 (I think). I figured we'd want to avoid the glibc version change, but if that's fine for riscv I can go with that instead.
r? `````@cuviper`````
try-job: dist-riscv64-linux
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binutils 2.40 is required by LLVM 19, as older versions do not
know about the zmmull extension.
I've had to backport some patches to glibc and gcc as well,
as they don't build with binutils 2.40. Alternatively, we could
also switch to glibc 2.35 and gcc 12 (I think). I figured we'd
want to avoid the glibc version change, but if that's fine for
riscv I can go with that instead.
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Fix local download of Docker caches from CI
https://github.com/rust-lang/rust/pull/127312 broke local downloads of Docker caches from CI, when you wanted to build a Docker image locally. This PR fixes that.
r? `@nikic`
(Can you please check if the cache works for you with this PR?)
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Fixup failing fuchsia tests
The Fuchsia platform passes all tests with these changes. Two tests are ignored because they rely on Fuchsia not returning a status code upon a process aborting. See #102032 and #58590 for more details on that topic.
Many formatting changes are also included in this PR.
r? tmandry
r? erickt
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This commit promotes the `wasm32-wasip2` Rust target to tier 2 as
proposed in rust-lang/compiler-team#760. There are two major changes in
this PR:
1. The `dist-various-2` container, which already produces the other WASI
targets, now has an extra target added for `wasm32-wasip2`.
2. A new `wasm-component-ld` binary is added to all host toolchains when
LLD is enabled. This is the linker used for the `wasm32-wasip2` target.
This new linker is added for all host toolchains to ensure that all host
toolchains can produce the `wasm32-wasip2` target. This is similar to
how `rust-lld` was originally included for all host toolchains to be
able to produce WebAssembly output when the targets were first added.
The new linker is developed [here][wasm-component-ld] and is pulled in
via a crates.io-based dependency to the tree here.
[wasm-component-ld]: https://github.com/bytecodealliance/wasm-component-ld
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Applied formatting suggestions from isort and black via pylsp.
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Many tests use stdout and stderr to validate whether the test emitted
the correct output. Because fuchsia-test-runner.py was sending all
logs, including test output, to stdout, tests could not validate
output properly.
This change removes the runner logs from stdout and stderr entirely
with the exception of output from the test. All runner logs are still
available in the "log" file.
Fixed: https://fxbug.dev/351356417
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This should make it possible to switch running `auto` and `try` builds from `rust-lang-ci` to `rust-lang`.
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The CDN has been down for a few hours. Switch to an alternative for the
time being so we can unblock CI.
It appears that the CDN is quite a bit faster, so we will likely want to
switch back when available.
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Fix x86_64 code being produced for bare-metal LoongArch targets' `compiler_builtins`
Formerly the `loongarch*-*-none*` targets were added to the `dist-various-2` CI job, but no corresponding toolchain was added along with them. This meant the `compiler_builtins` for the targets were built with the host toolchain.
As the other `dist-various` toolchains are mostly pre-built so far, to avoid burdening them with crosstool-ng builds, simply move the two bare-metal LoongArch targets to the `dist-loongarch64-linux` job which has a ready-to-use LoongArch toolchain. With the proper CFLAGS applied it is possible to build artifacts suitable for bare-metal. I verified that the `compiler_builtins` objects are now correctly produced regarding architecture and ABI, with the changes here applied.
Fixes #125908.
cc ``@heiher``
try-job: dist-loongarch64-linux
try-job: dist-various-2
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`compiler_builtins`
Formerly the `loongarch*-*-none*` targets were added to the
`dist-various-2` CI job, but no corresponding toolchain was added along
with them. This meant the `compiler_builtins` for the targets were built
with the host toolchain.
As the other `dist-various` toolchains are mostly pre-built so far, to
avoid burdening them with crosstool-ng builds, simply move the two
bare-metal LoongArch targets to the `dist-loongarch64-linux` job which
has a ready-to-use LoongArch toolchain. With the proper CFLAGS applied
it is possible to build artifacts suitable for bare-metal. I verified
that the `compiler_builtins` objects are now correctly produced
regarding architecture and ABI, with the changes here applied.
Fixes #125908.
cc @heiher
try-job: dist-loongarch64-linux
try-job: dist-various-2
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Rename fuchsia builder and bump Fuchsia
This PR renames the fuchsia builder as requested in https://github.com/rust-lang/rustc-dev-guide/pull/1989#pullrequestreview-2148682346 and bumps Fuchsia.
This includes the quality-of-life improvements for developers in https://fxrev.dev/1061894. It also removes the wasm target, which should speed up the build a little.
The new name of the builder is `x86_64-fuchsia` because I think `x86_64-gnu-fuchsia` would be confusing and put too much emphasis on the host target. (In terms of triples, we are targeting `x86_64-unknown-fuchsia` from `x86_64-unknown-linux-gnu`.) Someone on the infra team should weigh in here.
After this lands, we should update the docs in the rustc-dev-guide again.
cc `@lqd`
r? t-infra
try-job: x86_64-fuchsia
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This better reflects what the builder actually does.
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This should no longer be required to build Fuchsia.
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This includes the quality-of-life improvements for developers in
https://fxrev.dev/1061894.
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When the LoongArch targets were first introduced, the LLVM support was
still immature and various tools were not supported on LoongArch.
Nowadays most infra is in place, so it is time to enable them on
LoongArch to provide a better experience for users of these targets.
Plus, the profiler support is needed by Chromium, so better provide it
in the official artifacts.
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Update browser-ui-test version to `0.18.0`
Should help with #126436.
r? `@notriddle`
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Use `clang-format` in `tidy` to check the C++ code style under `llvm-wrapper`
Fixes #123510.
Based on the discussion at https://rust-lang.zulipchat.com/#narrow/stream/233931-t-compiler.2Fmajor-changes/topic/Enable.20.60clang-format.60.20for.20.60rustc.60.20compiler-team.23756/near/443562800, we can use clang-format from pip to achieve the code formatting.
r? `@Kobzol`
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r=Kobzol
Specify target specific linker for `riscv64gc-gnu` job
In https://github.com/rust-lang/rust/pull/125669 I updated the `riscv64gc-gnu` job to be more in line with other jobs, like the `armhf-gnu` one.
I missed something important, though! Since the `riscv64gc-unknown-linux-gnu` builds go through a cross compiler, invoking `cc` is not correct! That would invoke the `x86_64-unknown-linux-gnu` linker, instead of the `riscv64gc-unknown-linux-gnu` linker.
While developing #125669 I assumed this line would have been sufficient, however it was not:
https://github.com/rust-lang/rust/blob/553a69030e5a086eb3841d020db8c9c463948c72/src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/Dockerfile#L27-L28
Unfortunately, without the linker set, `cc` is invoked, and the following linker error occurs:
<details>
<summary>Long output</summary>
```
2024-06-21T14:37:54.4786899Z === HAYSTACK ===
2024-06-21T14:37:54.4787240Z error: linking with `cc` failed: exit status: 1
2024-06-21T14:37:54.4787589Z |
2024-06-21T14:37:54.4806781Z = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "/tmp/rustc7Ju6va/symbols.o" "inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o" "inaccessible/tmp/program.dv9uftjrq86w5xa7l2eo7g9l7.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/run-make/inaccessible-temp-dir/inaccessible-temp-dir/rmake_out" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libstd-bb9ed017b7d70437.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libpanic_unwind-5b34ef68c22a7b9b.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libobject-4b9224407e296f51.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libmemchr-1eaaa8d74bbe0b36.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libaddr2line-b34292f7086867e9.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libgimli-1927540c5dff6690.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/librustc_demangle-ab493befe3742702.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libstd_detect-41195694489636c4.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libhashbrown-6905da49c8a1542a.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bbc6290f03f92349.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libminiz_oxide-7a4683d4a82cf47c.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libadler-071583516cdbce90.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libunwind-d84b176d2f4c1334.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libcfg_if-92b7de0160f87442.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/liblibc-cff1533ea7c26263.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/liballoc-49e374c13f9e6132.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/librustc_std_workspace_core-9389dcc15b2f7f7b.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libcore-46f0fa14905fdc5c.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib/libcompiler_builtins-20e1af401f90cd1c.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib" "-o" "program" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
2024-06-21T14:37:54.4823900Z = note: /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: Relocations in generic ELF (EM: 243)
2024-06-21T14:37:54.4825032Z /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: Relocations in generic ELF (EM: 243)
2024-06-21T14:37:54.4826130Z /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: Relocations in generic ELF (EM: 243)
2024-06-21T14:37:54.4827200Z /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: Relocations in generic ELF (EM: 243)
2024-06-21T14:37:54.4828279Z /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: Relocations in generic ELF (EM: 243)
2024-06-21T14:37:54.4829365Z /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: Relocations in generic ELF (EM: 243)
2024-06-21T14:37:54.4830474Z /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: Relocations in generic ELF (EM: 243)
2024-06-21T14:37:54.4831554Z /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: Relocations in generic ELF (EM: 243)
2024-06-21T14:37:54.4833002Z /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: Relocations in generic ELF (EM: 243)
2024-06-21T14:37:54.4834116Z /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: Relocations in generic ELF (EM: 243)
2024-06-21T14:37:54.4835237Z /usr/bin/ld: inaccessible/tmp/program.program.45572bc5f2b14090-cgu.0.rcgu.o: error adding symbols: file in wrong format
2024-06-21T14:37:54.4835971Z collect2: error: ld returned 1 exit status
2024-06-21T14:37:54.4836449Z
2024-06-21T14:37:54.4836584Z
2024-06-21T14:37:54.4836744Z error: aborting due to 1 previous error
2024-06-21T14:37:54.4836983Z
2024-06-21T14:37:54.4836990Z
2024-06-21T14:37:54.4837083Z === NEEDLE ===
2024-06-21T14:37:54.4837518Z failed to find or create the directory specified by `--temps-dir`
2024-06-21T14:37:54.4838250Z thread 'main' panicked at /checkout/tests/run-make/inaccessible-temp-dir/rmake.rs:35:14:
2024-06-21T14:37:54.4838801Z needle was not found in haystack
2024-06-21T14:37:54.4839270Z note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
2024-06-21T14:37:54.4840125Z thread 'main' panicked at /checkout/tests/run-make/inaccessible-temp-dir/rmake.rs:27:5:
2024-06-21T14:37:54.4840759Z called `Result::unwrap()` on an `Err` value: Any { .. }
2024-06-21T14:37:54.4841194Z ------------------------------------------
```
</details>
By setting `--set target.riscv64gc-unknown-linux-gnu.linker=riscv64-linux-gnu-gcc` the correct linker is invoked.
## Testing
> [!NOTE]
> `riscv64gc-unknown-linux-gnu` is a [**Tier 2 with Host Tools** platform](https://doc.rust-lang.org/beta/rustc/platform-support.html), all tests may not necessarily pass! This change should only make fix existing broken tests (like `inaccessible-temp-dir`) while introducing no new breakage.
You can test out the job locally:
```sh
mv src/ci/docker/host-x86_64/disabled/riscv64gc-gnu src/ci/docker/host-x86_64/riscv64gc-gnu
DEPLOY=1 ./src/ci/docker/run.sh riscv64gc-gnu
```
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We are still at Python 3.8 in Fuchsia infra. This was introduced at
Python 3.10.
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Sync fuchsia test runner with clang test runner
This synchronizes the fuchsia test running code with the clang test runner. This brings with it:
* Improved logging
* Uses the fuchsia image from the SDK version
* Caches the product bundle across test runs
* Strips the binaries to reduce the data sent to the emulator
r? ``@tmandry``
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This synchronizes the fuchsia test running code with the clang test
runner. This brings with it:
* Improved logging
* Uses the fuchsia image from the SDK version
* Caches the product bundle across test runs
* Strips the binaries to reduce the data sent to the emulator
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ci: Update centos:7 to use vault repos
CentOS 7 is going EOL on June 30, after which its package repos will no
longer exist on the regular mirrors. We'll still be able to access
packages from the vault server though, and can start doing so now. This
affects `dist-i686-linux` and `dist-x86_64-linux`.
I also removed `epel-release` because we were only using that for its
`cmake3`, but we've been building our own version for a while.
try-job: dist-i686-linux
try-job: dist-x86_64-linux
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Update fuchsia commit, and SDK to 21.20240610.2.1
This includes a fix to the race when publishing multiple packages at the same time.
try-job: x86_64-gnu-integration
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This includes a fix to the race when publishing multiple packages at the
same time.
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CentOS 7 is going EOL on June 30, after which its package repos will no
longer exist on the regular mirrors. We'll still be able to access
packages from the vault server though, and can start doing so now. This
affects `dist-i686-linux` and `dist-x86_64-linux`.
I also removed `epel-release` because we were only using that for its
`cmake3`, but we've been building our own version for a while.
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r=Kobzol
CI: Update riscv64gc-linux job to Ubuntu 22.04, rename to riscv64gc-gnu
Together with joshua.zivkovic@codethink.co.uk, we've been starting to explore improving the state of the `riscv64gc-unknown-linux-gnu` target. Additionally, I'm looking to add support for this platform in [Ferrocene](https://github.com/ferrocene/ferrocene) ([Related PR](https://github.com/ferrocene/ferrocene/pull/618)).
There currently exists a `src/ci/docker/host-x86_64/disabled/riscv64gc-linux` job for the CI, however it is currently experiencing errors.
<details>
<summary>Errors</summary>
```bash
$ DEPLOY=1 ./src/ci/docker/run.sh riscv64gc-linux
# ...
[RUSTC-TIMING] addr2line test:false 0.371
[RUSTC-TIMING] gimli test:false 3.159
[RUSTC-TIMING] object test:false 4.249
error: linking with `riscv64-linux-gnu-gcc` failed: exit status: 1
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= note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "riscv64-linux-gnu-gcc" "-Wl,--version-script=/tmp/rustcQaIpWi/list" "-Wl,--no-undefined-version" "/tmp/rustcQaIpWi/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/std-ff89a9732cd5d858.std.1b5d59225ff40bd2-cgu.0.rcgu.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/std-ff89a9732cd5d858.dalhl7sfna1ffn4nhy6pyfa7f.rcgu.rmeta" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/std-ff89a9732cd5d858.ef0znsdf1ihn2bjkmclodhclp.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/release/deps" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/build/compiler_builtins-9e9a40064e2f2bd3/out" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libpanic_unwind-d968371aba64a26c.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libobject-da5b6473912e89d6.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libmemchr-9cfa08d2baa3643e.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libaddr2line-06e0d2153cecb6ce.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libgimli-6fdf5551cec83840.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/librustc_demangle-8ada6466f763fa2e.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libstd_detect-edc0d12d029c4c86.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libhashbrown-9c782935934c8c14.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/librustc_std_workspace_alloc-b6984e43b381efa4.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libminiz_oxide-37ee29bf49ccaa96.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libadler-591133f6804fa0f4.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libunwind-94d98075f42175f3.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libcfg_if-e267a7b9dd7af3a7.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/liblibc-503571a038f8d9fd.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/liballoc-e36c72a5cf0ee45f.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/librustc_std_workspace_core-076c2b8501e25f03.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libcore-c446fff80486d0bb.rlib" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libcompiler_builtins-26dc6b5e31e1fdb9.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/riscv64gc-unknown-linux-gnu/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libstd-ff89a9732cd5d858.so" "-shared" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-nodefaultlibs" "-Wl,-z,origin" "-Wl,-rpath,$ORIGIN/../lib"
# ...
/usr/lib/gcc-cross/riscv64-linux-gnu/9/../../../../riscv64-linux-gnu/bin/ld: failed to merge target specific data of file /checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libcompiler_builtins-26dc6b5e31e1fdb9.rlib(compiler_builtins-26dc6b5e31e1fdb9.compiler_builtins.74504a151a6bdbbf-cgu.124.rcgu.o)
/usr/lib/gcc-cross/riscv64-linux-gnu/9/../../../../riscv64-linux-gnu/bin/ld: -march=rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_zicsr2p0: unsupported ISA subset `z'
/usr/lib/gcc-cross/riscv64-linux-gnu/9/../../../../riscv64-linux-gnu/bin/ld: failed to merge target specific data of file /checkout/obj/build/x86_64-unknown-linux-gnu/stage2-std/riscv64gc-unknown-linux-gnu/release/deps/libcompiler_builtins-26dc6b5e31e1fdb9.rlib(compiler_builtins-26dc6b5e31e1fdb9.compiler_builtins.74504a151a6bdbbf-cgu.004.rcgu.o)
collect2: error: ld returned 1 exit status
[RUSTC-TIMING] std test:false 15.138
error: could not compile `std` (lib) due to 1 previous error
Building bootstrap
Build completed unsuccessfully in 0:04:41
local time: Tue May 28 16:25:09 UTC 2024
network time: Tue, 28 May 2024 16:25:17 GMT
```
</details>
This PR fixes the breakage enough to get the tests running. It does so through bringing the `riscv64gc-unknown-linux-gnu` related test job in line with other related jobs, adopting many of the recent changes present in `src/ci/docker/host-x86_64/armhf-gnu` such as:
* Using Ubuntu 22.04
* Installing a more narrowly scoped package set
* Using `curl` instead of `debootstrap` to set up the root
* No longer patching `busybox`
* Removing the `cmake.sh` script related steps
## Justifying Renaming `riscv64gc-linux` to `riscv64gc-gnu`
The `src/ci/docker/host-x86_64/disabled/riscv64gc-linux` job runs the tests for `risv64gc-unknown-linux-gnu`, it is based off `src/ci/docker/host-x86_64/armhf-gnu`.
There are other jobs that follow a `$arch-gnu` naming scheme:
* `src/ci/docker/host-x86_64/armhf-gnu`
* `src/ci/docker/host-x86_64/x86_64-gnu`
* `src/ci/docker/host-aarch64/aarch64-gnu`
It follows that the name `src/ci/docker/host-x86_64/disabled/riscv64gc-linux` should be `src/ci/docker/host-x86_64/disabled/riscv64gc-gnu`, like the others.
## Testing
> [!NOTE]
> `riscv64gc-unknown-linux-gnu` is a [**Tier 2 with Host Tools** platform](https://doc.rust-lang.org/beta/rustc/platform-support.html), all tests may not necessarily pass! There is work in https://github.com/rust-lang/rust/pull/125220 which helps fix several related tests.
You can test out the renamed job:
```sh
DEPLOY=1 ./src/ci/docker/run.sh riscv64gc-gnu
```
`DEPLOY=1` helps reproduce the CI's environment and also avoids the chance of a `llvm-c/BitReader.h` error (detailed in https://github.com/rust-lang/rust/issues/85424 and https://github.com/rust-lang/rust/issues/56650).
<details>
<summary>Sample of output (expected test failure)</summary>
```bash
$ DEPLOY=1 ./src/ci/docker/run.sh riscv64gc-gnu
# ...
test [ui] tests/ui/where-clauses/where-clause-method-substituion-rpass.rs ... ok
failures:
---- [ui] tests/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo.rs stdout ----
error: test compilation failed although it shouldn't!
status: exit status: 1
command: env -u RUSTC_LOG_COLOR RUSTC_ICE="0" RUST_BACKTRACE="short" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "-Z" "ignore-directory-in-diagnostics-source-blocks=/checkout/vendor" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=riscv64gc-unknown-linux-gnu" "--check-cfg" "cfg(FALSE)" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-C" "prefer-dynamic" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo" "-A" "unused" "-A" "internal_features" "-Crpath" "-Lnative=/checkout/obj/build/riscv64gc-unknown-linux-gnu/native/rust-test-helpers" "-Clinker=riscv64-linux-gnu-gcc" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo/auxiliary" "-g" "--emit=llvm-ir" "-Csplit-debuginfo=unpacked"
stdout: none
--- stderr -------------------------------
error: `-Csplit-debuginfo=unpacked` is unstable on this platform
error: aborting due to 1 previous error
------------------------------------------
failures:
[ui] tests/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo.rs
test result: FAILED. 5 passed; 1 failed; 16897 ignored; 0 measured; 0 filtered out; finished in 410.99ms
Some tests failed in compiletest suite=ui mode=ui host=x86_64-unknown-linux-gnu target=riscv64gc-unknown-linux-gnu
local time: Tue May 28 16:28:22 UTC 2024
network time: Tue, 28 May 2024 16:28:30 GMT
```
</details>
try-job: riscv64gc-gnu
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This header is much more restrictive than its old name would suggest. As a
result, most of the tests that use it don't actually run in any CI jobs.
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Weekly `cargo update`
Replaces #125562
`r-efi` needs to be bumped in two places.
The `icu4x` dependencies also added a SPDX license identifer, so remove the license checking exception and add `Unicode-3.0` to the list.
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ci: use GCC 13 as cross compiler in `dist-aarch64-linux`
I'm proposing this GCC upgrade since it addresses bug https://github.com/rust-lang/rust/issues/125619. The
regression in question affects stable release consumers who tend to have
no exposure to Rust build tools, so if at all possible, I would like to
have it resolved in the next stable release. I have tried to fix the bug
in `compiler-builtins`, which led to submitting a PR for `compiler-rt`
in upstream LLVM, but it may take a long time before these upstreams
address this regression.
A summary of why upgrading GCC solves the regression follows.
`__multc3()` is a builtin function `compiler-builtins` exposes for
specifically aarch64, non-Windows targets [1]. The object file for it is
included in `staticlib` archives through `libstd`. The implementation
for `__multc3()` is from `multc3.c`, part of LLVM's `compiler-rt`.
Upstream `compiler-rt` normally builds the C file using the Clang
from the same LLVM version. On the other hand, `compiler-builtins`
builds the C file using GCC, outside of the usual LLVM build system.
The upstream implementation doesn't have feature detection which
works for GCC version older than 10, and ends up producing an
unlinkable object.
Upstream LLVM might be slow to respond to this issue as they might deem
`compiler-builtin` as doing something out of the ordinary from their
perspective. They might reasonably assume everyone builds `compiler-rt`
through LLVM's build system.
I have done the following to test this change:
- verified that a local build without this patch exhibits the
regression.
- verified that with this patch, the object for `__multc3()` has no
reference to undefined functions in the symbol table.
- verified that with this patch, `rustc` is usable to build Ruby with
YJIT, and that the reported regression is resolved.
Since `loongarch64-linux-gnu` already uses GCC 13.2.0, I hope we can upgrade without issues.
try-job: dist-aarch64-linux
[1]: https://github.com/rust-lang/compiler-builtins/blob/c04eb9e1afb72bdf943f5e5d77b3812f40526602/build.rs#L524-L539
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It looks like this job was intending to run all of the `needs-matching-clang`
tests (since they don't run without `RUSTBUILD_FORCE_CLANG_BASED_TESTS`), but
over time developed two problems:
- The tests it cares about were moved from run-make-fulldeps to run-make.
- Some of the relevant tests don't actually have "clang" in their name.
Switching to run-make solves the first problem, but we still don't run the
tests without "clang" in their name, because some of them are currently broken.
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Add debugging utils and comments to Fuchsia scripts
This should help when debugging a failure in the Fuchsia build in CI.
I plan to follow up with a PR to the testing section of the dev guide with more details, along with more improvements happening in the Fuchsia repo itself.
try-job: x86_64-gnu-integration
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This should help when debugging a failure in the Fuchsia build in CI.
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