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Document rustdoc with `--document-private-items`
The `tool_doc` macro introduced in #86737 did not use `false` as the default value for `binary` when it is not provided, so the `if` is not even expanded and thus the argument is never provided if the `binary` argument isn't.
Resolves #86900
r? ```@Mark-Simulacrum```
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Use rustdoc.css for error index
Closes #86512.
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- Don't print the exact command run by rustbuild unless `--verbose` is set.
This is almost always unhelpful, since it's just cargo with a lot of
arguments.
- Don't print "Build completed unsuccessfully" unless --verbose is set.
You can already tell the build failed by the errors above, and the
time isn't particularly helpful.
- Don't print the full path to bootstrap. This is useless to everyone,
even including when working on x.py itself. You can still opt-in to
this being shown with `--verbose`, since it will throw an exception.
Before:
```
error[E0432]: unresolved import `x`
--> library/std/src/lib.rs:343:5
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343 | use x;
| ^ no external crate `x`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0432`.
error: could not compile `std`
To learn more, run the command again with --verbose.
command did not execute successfully: "/home/joshua/rustc4/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "check" "--target" "x86_64-unknown-linux-gnu" "-Zbinary-dep-depinfo" "-j" "8" "--release" "--features" "panic-unwind backtrace" "--manifest-path" "/home/joshua/rustc4/library/test/Cargo.toml" "--message-format" "json-render-diagnostics"
expected success, got: exit status: 101
failed to run: /home/joshua/rustc4/build/bootstrap/debug/bootstrap check
Build completed unsuccessfully in 0:00:13
```
After:
```
error[E0432]: unresolved import `x`
--> library/std/src/lib.rs:343:5
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343 | use x;
| ^ no external crate `x`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0432`.
error: could not compile `std`
To learn more, run the command again with --verbose.
```
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Document rustfmt on nightly-rustc
- Refactor the doc step for Rustdoc into a macro
- Call the macro for both rustdoc and rustfmt
- Add a `recursion_limit` macro to avoid overflow errors
This does not currently pass --document-private-items for rustfmt due to https://github.com/rust-lang/cargo/pull/8422#issuecomment-871082935.
r? `@Mark-Simulacrum` cc `@calebcartwright`
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The recursion_limit attribute avoids the following error:
```
error[E0275]: overflow evaluating the requirement `std::ptr::Unique<rustc_ast::Pat>: std::marker::Send`
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= help: consider adding a `#![recursion_limit="256"]` attribute to your crate (`rustfmt_nightly`)
```
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Add new tool to check HTML
Re-opening of https://github.com/rust-lang/rust/pull/84480.
r? `@Mark-Simulacrum`
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* Make html-checker run by default on rust compiler docs as well
* Ensure html-checker is run on CI
* Lazify tidy binary presence check
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Don't dist miri or rust-analyzer on stable or beta.
This prevents miri and rust-analyzer from being built for "dist" or "install" on the stable/beta channels. It is a nightly-only tool and should not be included.
Closes #86286
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Use HTTPS links where possible
While looking at #86583, I wondered how many other (insecure) HTTP links were in `rustc`. This changes most other `http` links to `https`. While most of the links are in comments or documentation, there are a few other HTTP links that are used by CI that are changed to HTTPS.
Notes:
- I didn't change any to or in licences
- Some links don't support HTTPS :(
- Some `http` links were dead, in those cases I upgraded them to their new places (all of which used HTTPS)
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Move LLVM submodule updates back to native.rs
Time to find more bugs!
The first commit is a straight revert of https://github.com/rust-lang/rust/pull/85647, the second is a fix for https://rust-lang.zulipchat.com/#narrow/stream/182449-t-compiler.2Fhelp/topic/x.2Epy.20always.20updates.20LLVM.20submodule/near/240113320 and https://github.com/rust-lang/rust/pull/82653#issuecomment-846755631. I haven't been able to replicate https://github.com/rust-lang/rust/pull/82653#issuecomment-849013698.
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Allow to pass arguments to rustdoc-gui tool
Very convenient for testing. This is another part of https://github.com/rust-lang/rust/pull/86293
cc ``@jsha``
r? ``@Mark-Simulacrum``
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Fix a bug in the linkchecker
There was a small typo in the linkchecker (in #85652) that caused it to report a `#` fragment link error pointing to the wrong file (it was displaying the path to the source file, not the target of the link).
This also includes a few other changes:
- Fixes the tests due to some changes in the redirect handling in #84703.
- Adds the tests to rustbuild to run whenever the linkchecker itself is run.
- Updates the tests to validate more of the output (so that a mistake like this would have been caught).
Closes #86144
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The `RustdocGUI::should_run` condition spawns `npm list` several times
which adds up to seconds of wall-time.
Evaluate the condition lazily to to keep `./x.py test tidy` and similar
short-running tasks fast.
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MVP for using rust-lld as part of cc
Will fix #71519. I need to figure out how to write a test showing that lld is used instead of whatever linker cc normally uses. When I manually run rustc using `echo 'fn main() {}' | RUSTC_LOG=rustc_codegen_ssa::back::link=debug ./rustc -Clinker-flavor=gcc-lld --crate-type bin -Clink-arg=-Wl,-v` (thanks to bjorn3 on Zulip), I can see that lld is used, but I'm not sure how to inspect that output in a test.
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Add the x86_64-gnu-stable builder
During the 1.52 release process we had to deal with some commits that passed the test suite on the nightly branch but failed on the beta or stable branch. In that case it was due to some UI tests including the channel name in the output, but other changes might also be dependent on the channel.
This commit adds a new CI job that runs the Linux x86_64 test suite with the stable branch, ensuring nightly changes also work as stable. To ensure the new job works the following other changes are present:
* The `ui-fulldeps/session-derive-errors.rs` test has been disabled on beta and stable, which required adding support for `// ignore-{channel}` and `// only-{channel}`.
* The `rustdoc/intra-doc/field.rs` has been fixed.
r? `@Mark-Simulacrum`
fixes https://github.com/rust-lang/release-team/issues/11
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Don't pass -Z unstable-options by default for UI tests
Unconditionally passing -Z unstable-options makes it impossible to test whether an option requires unstable-options or not.
This uncovered quite a lot of bugs, I'll open issues for each. These don't strictly need to be fixed before this is merged, it just makes the diff much larger because of the changes to diagnostics.
- https://github.com/rust-lang/rust/issues/82636
- https://github.com/rust-lang/rust/issues/82637
- https://github.com/rust-lang/rust/issues/82638
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ignore test if rust-lld not found
create ld -> rust-lld symlink at build time instead of run time
for testing in ci
copy instead of symlinking
remove linux check
test for linker, suggestions from bjorn3
fix overly restrictive lld matcher
use -Zgcc-ld flag instead of -Clinker-flavor
refactor code adding lld to gcc path
revert ci changes
suggestions from petrochenkov
rename gcc_ld to gcc-ld in dirs
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The session-derive-errors test ensures the internal SessionDiagnostic
derive macro outputs the right error messages when misused.
The macro relies on the proc_macro2 crate though, which changes its span
behavior depending on whether the channel is nightly or not. This caused
test failures when bumping the channel from nightly to beta/stable.
Since SessionDiagnostic is internal-only we don't care about its
diagnostics quality outside of nightly, as the compiler itself is
developed on nightly. Thus the easiest solution is to ignore that test
on the beta and stable channels.
This also implements `// only-{channel}` and `// ignore-{channel}` in
compiletest to properly support the change.
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Remove the install prefix from the rpath set when using -Crpath
It was broken anyway for rustup installs and nobody seems to have noticed.
Fixes https://github.com/rust-lang/rust/issues/82392
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rustbuild: take changes to the standard library into account for `download-rustc`
Previously, changing the standard library with `download-rustc =
"if-unchanged"` would incorrectly reuse the cached compiler and standard
library from CI, which was confusing and led to incorrect test failures
or successes.
r? `@Mark-Simulacrum`
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Don't run sanity checks for `x.py setup`
These requirements change as soon as the command finishes running, and
`setup` doesn't build anything, so the check doesn't make sense.
Previously, `x.py setup` would give hard errors if `ninja` and `cmake`
were not installed, even if the new profile didn't require them.
Fixes https://github.com/rust-lang/rust/issues/84938.
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Pass --cfg=bootstrap for proc macros built by stage0
Cargo has a bug where it ignores RUSTFLAGS when building proc macro
crates (https://github.com/rust-lang/cargo/issues/4423).
However, sometimes rustc_macro needs to have conditional
compilation when there are breaking changes to the `libproc_macro` API
(see for example #83363). Previously, this wasn't possible, because the
crate couldn't tell the difference between stage 0 and stage 1.
Another alternative is to unconditionally build rustc_macros with the
master libstd instead of the beta one (i.e. use `--sysroot
stage0-sysroot`), but that led to strange and maddening errors:
```
error[E0460]: found possibly newer version of crate `std` which `synstructure` depends on
--> compiler/rustc_macros/src/lib.rs:5:5
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5 | use synstructure::decl_derive;
| ^^^^^^^^^^^^
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= note: perhaps that crate needs to be recompiled?
= note: the following crate versions were found:
crate `std`: /home/joshua/rustc2/build/x86_64-unknown-linux-gnu/stage0-sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-b3602c301b71cc3d.rmeta
crate `synstructure`: /home/joshua/rustc2/build/x86_64-unknown-linux-gnu/stage0-rustc/release/deps/libsynstructure-74ee66863479e972.rmeta
error[E0460]: found possibly newer version of crate `std` which `proc_macro2` depends on
--> /home/joshua/.local/lib/cargo/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.13/src/lib.rs:90:5
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90 | use proc_macro2::TokenStream;
| ^^^^^^^^^^^
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= note: perhaps that crate needs to be recompiled?
= note: the following crate versions were found:
crate `std`: /home/joshua/rustc2/build/x86_64-unknown-linux-gnu/stage0-sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-b3602c301b71cc3d.rmeta
crate `proc_macro2`: /home/joshua/rustc2/build/x86_64-unknown-linux-gnu/stage0-rustc/release/deps/libproc_macro2-a83c1f01610c129e.rlib
```
r? `@Mark-Simulacrum` cc `@jhpratt`
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- Pass it explicitly where appropriate
- Update stderr files and warnings; it turns that unstable-options has
far-reaching effects on diagnostics.
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BPF target support
This adds `bpfel-unknown-none` and `bpfeb-unknown-none`, two new no_std targets that generate little and big endian BPF. The approach taken is very similar to the cuda target, where `TargetOptions::obj_is_bitcode` is enabled and code generation is done by the linker.
I added the targets to `dist-various-2`. There are [some tests](https://github.com/alessandrod/bpf-linker/tree/main/tests/assembly) in bpf-linker and I'm planning to add more. Those are currently not ran as part of rust CI.
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It was a trivial function only used once.
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CFG_PREFIX is incorrect for rustup installed rustc versions. It also
causes unnecessary recompilation when changing the install prefix.
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This reverts commit ad308264a38531bc8d2179324bac3652a1cda640.
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Cargo ignores RUSTFLAGS when building proc macro crates. However,
sometimes rustc_macro needs to have conditional compilation when there
are breaking changes to the `libproc_macro` API (see for example
tell the difference between stage 0 and stage 1.
Another alternative is to unconditionally build rustc_macros with the
master libstd instead of the beta one (i.e. use `--sysroot
stage0-sysroot`), but that led to strange and maddening errors:
```
error[E0460]: found possibly newer version of crate `std` which `proc_macro2` depends on
--> /home/joshua/.local/lib/cargo/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.13/src/lib.rs:90:5
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90 | use proc_macro2::TokenStream;
| ^^^^^^^^^^^
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= note: perhaps that crate needs to be recompiled?
= note: the following crate versions were found:
crate `std`: /home/joshua/rustc2/build/x86_64-unknown-linux-gnu/stage0-sysroot/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-b3602c301b71cc3d.rmeta
crate `proc_macro2`: /home/joshua/rustc2/build/x86_64-unknown-linux-gnu/stage0-rustc/release/deps/libproc_macro2-a83c1f01610c129e.rlib
```
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Note that `ninja = false` goes under `[llvm]`
Addresses https://github.com/rust-lang/rust/issues/84938#issuecomment-852448332 - `@kornelski` does this look good?
r? `@Mark-Simulacrum` cc `@joshtriplett`
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## User-facing changes
- Intra-doc links to primitives that currently go to rust-lang.org/nightly/std/primitive.x.html will start going to channel that rustdoc was built with. Nightly will continue going to /nightly; Beta will link to /beta; stable compilers will link to /1.52.1 (or whatever version they were built as).
- Cross-crate links from std to core currently go to /nightly unconditionally. They will start going to /1.52.0 on stable channels (but remain the same on nightly channels).
- Intra-crate links from std to std (or core to core) currently go to the same URL they are hosted at; they will continue to do so. Notably, this is different from everything else because it can preserve the distinction between /stable and /1.52.0 by using relative links.
Note that "links" includes both intra-doc links and rustdoc's own
automatically generated hyperlinks.
## Implementation changes
- Update the testsuite to allow linking to /beta and /1.52.1 in docs
- Use an html_root_url for the standard library that's dependent on the channel
This avoids linking to nightly docs on stable.
- Update rustdoc to use channel-dependent links for primitives from an
unknown crate
- Set DOC_RUST_LANG_ORG_CHANNEL from bootstrap to ensure it's in sync
- Include doc.rust-lang.org in the channel
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`download-rustc`
Previously, changing the standard library with `download-rustc =
"if-unchanged"` would incorrectly reuse the cached compiler and standard
library from CI, which was confusing and led to incorrect test failures
or successes.
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Co-authored-by: Josh Triplett <josh@joshtriplett.org>
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