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This will allow us to provide links to CI workflows, jobs and summaries in the post-merge analysis report.
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r=Mark-Simulacrum"
Looks like unfortunately the `--diff-merges` flag is a `git show`-only
command, not `git rev-list`.
This reverts commit 95994f94ff5c9335426af4dec19afb5024f82fab, reversing
changes made to 7290b04b0a46de2118968aa556bfc0970aac6661.
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fix download-llvm logic for subtree sync branches
Fixes https://github.com/rust-lang/rust/issues/101907
Cc `@onur-ozkan`
r? `@Mark-Simulacrum`
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Rollup of 9 pull requests
Successful merges:
- #138364 (ports the compiler test cases to new rust_intrinsic format)
- #138570 (add `naked_functions_target_feature` unstable feature)
- #138623 ([bootstrap] Use llvm_runtimes for compiler-rt)
- #138627 (Autodiff cleanups)
- #138669 (tests: accept some noise from LLVM 21 in symbols-all-mangled)
- #138706 (Improve bootstrap git modified path handling)
- #138709 (Update GCC submodule)
- #138717 (Add an attribute that makes the spans from a macro edition 2021, and fix pin on edition 2024 with it)
- #138721 (Use explicit cpu in some asm and codegen tests.)
r? `@ghost`
`@rustbot` modify labels: rollup
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Before it was using a different set of paths in different call-sites.
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It was ignoring files without extension.
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It only ever returned `Some`, so `Option` was useless in its return type.
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trim channel value in `get_closest_merge_commit`
This was a silly bug which caused `git_upstream_merge_base` to never work because it was `nightly\n` not `nightly`.
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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When doing optimized build through opt-dist,
I've often run into errors like `invalid type: null, expected f64`.
This is likely because some f64 fields might actually bet set null.
Unfortunately, serde_json doesn't handle null <-> NaN well.
This commit addresses it by having a custom deserialize method, so
null is always be deserialized to `f64:NAN`.
See:
* https://rust-lang.zulipchat.com/#narrow/channel/242791-t-infra/topic/opt-dist.3A.20.60invalid.20type.3A.20null.2C.20expect.20f64.60.20failure
* https://github.com/serde-rs/json/issues/202
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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`recursive_remove` is intended to be a wrapper around
`std::fs::remove_dir_all`, but which also allows the removal target to
be a non-directory entry, i.e. a file or a symlink. It also tries to
remove read-only attributes from filesystem entities on Windows for
non-dir entries, as `std::fs::remove_dir_all` handles the dir (and its
children) read-only cases.
Co-authored-by: Chris Denton <chris@chrisdenton.dev>
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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The majority of the code is only used by either rustbuild or
rustc_llvm's build script. Rust_build is compiled once for rustbuild and
once for every stage. This means that the majority of the code in this
crate is needlessly compiled multiple times. By moving only the code
actually used by the respective crates to rustbuild and rustc_llvm's
build script, this needless duplicate compilation is avoided.
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This is particularly intended for invoking compiletest; the command line there
is long (3,350 characters on my system) and takes up a lot of screen real estate
for little benefit to the majority of those running bootstrap. This moves
printing it to verbose mode (-v must be passed) which means that it's still
possible to access when needed for debugging.
The main downside is that CI logs will by-default become less usable for
debugging (particularly) spurious failures, but it is pretty rare for us to
really need the information there -- it's usually fairly obvious what is being
run with a little investigation.
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Since RFC 3052 soft deprecated the authors field anyway, hiding it from
crates.io, docs.rs, and making Cargo not add it by default, and it is
not generally up to date/useful information, we should remove it from
crates in this repo.
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This reverts commit ad308264a38531bc8d2179324bac3652a1cda640.
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If something goes wrong here, showing `fn output` is unhelpful. Show
where the command is being run instead.
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When deny-warnings is not specified or set to true, the behaviour is the same as before.
When deny-warnings is set to false, warnings are now allowed
Fixes #63911
Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
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rustbuild
Remove some random unnecessary lint `allow`s
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This commit bumps the `compiler-builtins` dependency to 0.1.15 which
expects to have the source for `compiler-rt` provided externally if the
`c` feature is enabled. This then plumbs through the necessary support
in the build system to ensure that if the `llvm-project` directory is
checked out and present that we enable the `c` feature of
`compiler-builtins` and compile in all the C intrinsics.
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This commit works around the newly-introduced LLVM shared library.
This is needed such that llvm-config run from
librustc_llvm's build script can correctly locate it's own LLVM, not the
one in stage0/lib. The LLVM build system uses the DT_RUNPATH/RUNPATH
header within the llvm-config binary, which we want to use, but because
Cargo always adds the host compiler's "libdir" (stage0/lib in our
case) to the dynamic linker's search path, we weren't properly finding
the freshly-built LLVM in llvm/lib. By restoring the environment
variable setting the search path to what bootstrap sees, the problem is
resolved and librustc_llvm correctly links and finds the appropriate
LLVM.
Several run-make-fulldeps tests are also updated with similar handling.
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Ever since we added a Cargo-based build system for the compiler the
standard library has always been a little special, it's never been able
to depend on crates.io crates for runtime dependencies. This has been a
result of various limitations, namely that Cargo doesn't understand that
crates from crates.io depend on libcore, so Cargo tries to build crates
before libcore is finished.
I had an idea this afternoon, however, which lifts the strategy
from #52919 to directly depend on crates.io crates from the standard
library. After all is said and done this removes a whopping three
submodules that we need to manage!
The basic idea here is that for any crate `std` depends on it adds an
*optional* dependency on an empty crate on crates.io, in this case named
`rustc-std-workspace-core`. This crate is overridden via `[patch]` in
this repository to point to a local crate we write, and *that* has a
`path` dependency on libcore.
Note that all `no_std` crates also depend on `compiler_builtins`, but if
we're not using submodules we can publish `compiler_builtins` to
crates.io and all crates can depend on it anyway! The basic strategy
then looks like:
* The standard library (or some transitive dep) decides to depend on a
crate `foo`.
* The standard library adds
```toml
[dependencies]
foo = { version = "0.1", features = ['rustc-dep-of-std'] }
```
* The crate `foo` has an optional dependency on `rustc-std-workspace-core`
* The crate `foo` has an optional dependency on `compiler_builtins`
* The crate `foo` has a feature `rustc-dep-of-std` which activates these
crates and any other necessary infrastructure in the crate.
A sample commit for `dlmalloc` [turns out to be quite simple][commit].
After that all `no_std` crates should largely build "as is" and still be
publishable on crates.io! Notably they should be able to continue to use
stable Rust if necessary, since the `rename-dependency` feature of Cargo
is soon stabilizing.
As a proof of concept, this commit removes the `dlmalloc`,
`libcompiler_builtins`, and `libc` submodules from this repository. Long
thorns in our side these are now gone for good and we can directly
depend on crates.io! It's hoped that in the long term we can bring in
other crates as necessary, but for now this is largely intended to
simply make it easier to manage these crates and remove submodules.
This should be a transparent non-breaking change for all users, but one
possible stickler is that this almost for sure breaks out-of-tree
`std`-building tools like `xargo` and `cargo-xbuild`. I think it should
be relatively easy to get them working, however, as all that's needed is
an entry in the `[patch]` section used to build the standard library.
Hopefully we can work with these tools to solve this problem!
[commit]: https://github.com/alexcrichton/dlmalloc-rs/commit/28ee12db813a3b650a7c25d1c36d2c17dcb88ae3
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