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This tool is to be ran at specific points in the release process to replace
the version place holder made by stabilizations with the version number.
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features, if some of lists actually empty
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This builds `src/tools/rust-analyzer/crates/proc-macro-srv-cli` and
ships it as part of Rustc's dist component. This allows rust-analyzer's
proc macro support to work on all rustc versions (stable, beta and
nightly) starting now.
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- use `path` instead of `paths`
- don't mark rust-analyzer as an optional tool
- print the cargo command that's run in the proc-macro-test build script
this originally was part of a change to fix `test --stage 0 rust-analyzer`,
but I'm going to leave that for a separate PR so it's easier to review.
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This includes the following pull requests:
* https://github.com/rust-lang/rust-installer/pull/114
* https://github.com/rust-lang/rust-installer/pull/113
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replace process exit with more detailed exit in src/bootstrap/*.rs
Fixes [#98830](https://github.com/rust-lang/rust/issues/98830)
I implemeted "detail_exit.rs" in lib.rs, and replace all of std::process::exit.
So, error code should panic in test code.
```
// lib.rs
pub fn detail_exit(code: i32) -> ! {
// Successful exit
if code == 0 {
std::process::exit(0);
}
if cfg!(test) {
panic!("status code: {}", code);
} else {
std::panic::resume_unwind(Box::new(code));
}
}
```
<details>
<summary>% rg "exit\(" src/bootstrap/*.rs</summary>
```
builder.rs
351: crate::detail_exit(1);
1000: crate::detail_exit(1);
1429: crate::detail_exit(1);
compile.rs
1331: crate::detail_exit(1);
config.rs
818: crate::detail_exit(2);
1488: crate::detail_exit(1);
flags.rs
263: crate::detail_exit(exit_code);
349: crate::detail_exit(exit_code);
381: crate::detail_exit(1);
602: crate::detail_exit(1);
616: crate::detail_exit(1);
807: crate::detail_exit(1);
format.rs
35: crate::detail_exit(1);
117: crate::detail_exit(1);
lib.rs
714: detail_exit(1);
1620: detail_exit(1);
1651:pub fn detail_exit(code: i32) -> ! {
1654: std::process::exit(0);
sanity.rs
107: crate::detail_exit(1);
setup.rs
97: crate::detail_exit(1);
290: crate::detail_exit(1);
test.rs
676: crate::detail_exit(1);
1024: crate::detail_exit(1);
1254: crate::detail_exit(1);
tool.rs
207: crate::detail_exit(1);
toolstate.rs
96: crate::detail_exit(3);
111: crate::detail_exit(1);
182: crate::detail_exit(1);
228: crate::detail_exit(1);
util.rs
339: crate::detail_exit(1);
378: crate::detail_exit(1);
468: crate::detail_exit(1);
```
</details>
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implement detail_exit but I'm not sure it is right.
not create new file and write detail exit in lib.rs
replace std::process::exit to detail_exit
that is not related to code runnning.
remove pub
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bootstrap: Allow building individual crates
This aims to be as unintrusive as possible, but did still require adding a new `tail_args` field to all `Rustc` and `Std` steps.
New library and compiler crates are added to the sysroot as they are built, since it's useful to have e.g. just alloc and not std.
Fixes https://github.com/rust-lang/rust/issues/44293.
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- Add `Interned<Vec<String>>` and use it for tail args
- Refactor `cache.rs` not to need a separate impl for each internable type
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This saves a lot of time compiling.
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Move download-rustc from python to rustbuild
- Remove download-rustc handling from bootstrap.py
- Allow a custom `pattern` in `builder.unpack()`
- Only download rustc once another part of bootstrap depends on it.
This is somewhat necessary since the download functions rely on having a full
`Builder`, which isn't available until after config parsing finishes.
Helps with https://github.com/rust-lang/rust/issues/94829.
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r=Mark-Simulacrum
Print stderr consistently
Solves https://github.com/rust-lang/rust/issues/96712
I tried to follow what I perceived as the general consensus for error messages in boostrap i.e messages that were ..
* resulting from an Err(...) =>
* literally called as "Error: ...."
* by the end of the block scope forced to run a panic! or process::exit with a guaranteed non-zero error code.
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- Remove download-rustc handling from bootstrap.py
- Allow a custom `pattern` in `builder.unpack()`
- Only download rustc once another part of bootstrap depends on it.
This is somewhat necessary since the download functions rely on having a full
`Builder`, which isn't available until after config parsing finishes.
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- The logic is now unified for all targets (wasm targets should also be supported now)
- Additional "symlink" files like `ld64` are eliminated
- lld-wrapper is used for propagating the correct lld flavor
- Cleanup "unwrap or exit" logic in lld-wrapper
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This happened because the `SYSROOT` variable was set for `x test`, but not `x build`.
Set it consistently for both to avoid unnecessary rebuilds.
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There were two fixes needed:
1. Use `top_stage` instead of `top_stage - 1`. There was a long and torturous comment about trying to match rustdoc's version, but it works better without the hard-coding than with.
2. Make sure that `ci-llvm/lib` is added to LD_LIBRARY_PATH. Previously the error index would be unable to load LLVM for stage0 builds.
At some point we should probably have a discussion about how rustdoc stages should be numbered;
confusion between 0/1/2 has come up several times in bootstrap now.
Note that this is still broken when using `download-rustc = true` and `--stage 1`,
but that's *really* a corner case and should affect almost no one. `--stage {0,2}`
work fine with download-rustc.
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Fixes warnings from `clippy::useless_conversion` in `src/bootstrap`.
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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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As far as I can tell, this parameter was never used, so just delete it
as unnecessary.
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The wrapper is installed as `ld` and `ld64` in the `lib\rustlib\<host_target>\bin\gcc-ld`
directory and its sole purpose is to invoke `rust-lld` in the parent directory with
the correct flavor.
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This only updates the submodules the first time they're needed, instead
of unconditionally the first time you run x.py.
Ideally, this would move *all* submodules and not exclude some tools and
backtrace. Unfortunately, cargo requires all `Cargo.toml` files in the
whole workspace to be present to build any crate.
On my machine, this takes the time for an initial submodule clone (for
`x.py --help`) from 55.70 to 15.87 seconds.
This uses exactly the same logic as the LLVM update used, modulo some
minor cleanups:
- Use a local variable for `src.join(relative_path)`
- Remove unnecessary arrays for `book!` macro and make the macro simpler to use
- Add more comments
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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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## 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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bootstrap: ensure host std when cross-compiling tools, fixes #85320
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bootstrap: build cargo only if requested in tools
In Debian we'd like to build rustfmt and clippy alongside rustc, but we're still excluding cargo from the rustc build and doing that separately. This patch makes that possible.
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- Add rustfmt to `x.py check`
- Update Cargo.lock
- Remove rustfmt from the toolstate list
- Make rustfmt an in-tree tool
- Give an error on `x.py test rustfmt` if rustfmt fails to build or if tests fail
- Don't call `save_toolstate` when testing rustfmt
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Previously, the LD_LIBRARY_PATH for the linkchecker looked like
`build/x86_64-unknown-linux-gnu/stage1/lib/rustlib/x86_64-unknown-linux-gnu/lib`, because the linkchecker depends on the master copy of the standard library. This is true, but doesn't include the library path for the compiler libraries:
```
/home/joshua/src/rust/rust/build/x86_64-unknown-linux-gnu/stage1-tools-bin/error_index_generator: error while loading shared libraries: libLLVM-12-rust-1.53.0-nightly.so: cannot open shared object file: No such file or directory
```
That file is in
`build/x86_64-unknown-linux-gnu/stage1/lib/libLLVM-12-rust-1.53.0-nightly.so`,
which wasn't included in the dynamic path. This adds `build/x86_64-unknown-linux-gnu/stage1/lib` to the dynamic path for the linkchecker.
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Use tikv-jemallocator in rustc/rustdoc in addition to jemalloc-sys when enabled.
In https://github.com/rust-lang/rust/pull/81782 it was mentioned that one reason rustc may benefit from minimalloc is it doesn't use the `sdallocx` api from jemalloc.
Currently, on unix, rust uses jemalloc by importing its symbols to use them with the default, System (libc) global allocator.
This PR switches its global alloc to `tikv-jemallocator`, which correctly uses sized deallocation (https://docs.rs/tikv-jemallocator/0.4.1/src/tikv_jemallocator/lib.rs.html#121-126). `tikv-jemallocator`, as far as I can tell, is a more up-to-date set of bindings to jemalloc than `jemallocator`
The perf results of this pr are in large part due to the version upgrade of jemalloc, but sized deallocation has a non-trivial improvement, particularly to rustdoc.
This pr also includes changes to bootstrap to correctly pass the jemalloc feature through to the rustdoc build
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Use the beta compiler for building bootstrap tools when `download-rustc` is set
## Motivation
This avoids having to rebuild bootstrap and tidy each time you rebase
over master. In particular, it makes rebasing and running `x.py fmt` on
each commit in a branch significantly faster. It also avoids having to
rebuild bootstrap after setting `download-rustc = true`.
## Implementation
Instead of extracting the CI artifacts directly to `stage0/`, extract
them to `ci-rustc/` instead. Continue to copy them to the proper
sysroots as necessary for all stages except stage 0.
This also requires `bootstrap.py` to download both stage0 and CI
artifacts and distinguish between the two when checking stamp files.
Note that since tools have to be built by the same compiler that built
`rustc-dev` and the standard library, the downloaded artifacts can't be
reused when building with the beta compiler. To make sure this is still
a good user experience, warn when building with the beta compiler, and
default to building with stage 2.
I tested this by rebasing this PR from edeee915b1c52f97411e57ef6b1a8bd46548a37a over 1c77a1fa3ca574f2a40056f64d498db8efe0d8a8 and confirming that only the bootstrap library itself had to be rebuilt, not any dependencies and not `tidy`. I also tested that a clean build with `x.py build` builds rustdoc exactly once and does no other work, and that `touch src/librustdoc/lib.rs && x.py build` works. `x.py check` still behaves as before (checks using the beta compiler, even if there are changes to `compiler/`).
Helps with https://github.com/rust-lang/rust/issues/81930.
r? `@Mark-Simulacrum`
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## Motivation
This avoids having to rebuild bootstrap and tidy each time you rebase
over master. In particular, it makes rebasing and running `x.py fmt` on
each commit in a branch significantly faster. It also avoids having to
rebuild bootstrap after setting `download-rustc = true`.
## Implementation
Instead of extracting the CI artifacts directly to `stage0/`, extract
them to `ci-rustc/` instead. Continue to copy them to the proper
sysroots as necessary for all stages except stage 0.
This also requires `bootstrap.py` to download both stage0 and CI
artifacts and distinguish between the two when checking stamp files.
Note that since tools have to be built by the same compiler that built
`rustc-dev` and the standard library, the downloaded artifacts can't be
reused when building with the beta compiler. To make sure this is still
a good user experience, warn when building with the beta compiler, and
default to building with stage 2.
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Adds bootstrap rules to support installing rust-demangler.
When compiling with `-Z instrument-coverage`, the coverage reports are
generated by `llvm-cov`. `llvm-cov` includes a built-in demangler for
C++, and an option to supply an alternate demangler. For Rust, we have
`rust-demangler`, currently used in `rustc` coverage tests.
Fuchsia's toolchain for Rust is built via `./x.py install`. Fuchsia is
adding support for Rust coverage, and we need to include the
`rust-demangler` in the installed `bin` directory.
Configured rust-demangler as an in-tree extended tool.
Added tests to support `./x.py test rust-demangler`.
Install with extended tools by default only if `profiler = true`.
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Remove `ENABLE_DOWNLOAD_RUSTC` constant
`ENABLE_DOWNLOAD_RUSTC` was introduced as part of the MVP for `download-rustc` as a way not to rebuild artifacts that have already been downloaded. Unfortunately, it doesn't work very well:
- Steps are ignored by default, which makes it easy to leave out a step
that should be built. For example, the MVP forgot to enable any tests,
so it was only possible to *build* locally.
- It didn't work correctly even when it was enabled: calling
`builder.ensure()` would completely ignore the constant and rebuild the
step anyway. This has no obvious fix since `ensure()` has to return a
`Step::Output`.
Instead, this handles `download-rustc` in `impl Step for Rustc` and
`impl Step for Std`, which to my knowledge are the only build steps that
don't first go through `impl Step for Sysroot` (`Rustc` is used for
the `rustc-dev` component).
See https://github.com/rust-lang/rust/pull/79540#discussion_r563350075 and https://github.com/rust-lang/rust/issues/81930 for further context.
Here are some example runs with these changes and `download-rustc`
enabled:
```
$ x.py build src/tools/clippy
Building stage1 tool clippy-driver (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 1m 09s
Building stage1 tool cargo-clippy (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.11s
$ x.py test src/tools/clippy
Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Building stage1 tool clippy-driver (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.09s
Building rustdoc for stage1 (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.28s
Finished release [optimized] target(s) in 15.26s
Running build/x86_64-unknown-linux-gnu/stage1-tools/x86_64-unknown-linux-gnu/release/deps/clippy_driver-8b407b140e0aa91c
test result: ok. 592 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
$ x.py build src/tools/rustdoc
Building rustdoc for stage1 (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 41.28s
Build completed successfully in 0:00:41
$ x.py test src/test/rustdoc-ui
Building stage0 tool compiletest (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.12s
Building rustdoc for stage1 (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.10s
test result: ok. 105 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.15s
$ x.py build compiler/rustc
Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Build completed successfully in 0:00:00
```
Note a few things:
- Clippy depends on stage1 rustc-dev artifacts, but rustc didn't have to
be recompiled. Instead, the artifacts were copied automatically.
- All steps are always enabled. There is no danger of forgetting a step,
since only the entrypoints have to handle `download-rustc`.
- Building the compiler (`compiler/rustc`) automatically does no work.
Helps with https://github.com/rust-lang/rust/issues/81930.
r? `@Mark-Simulacrum`
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This avoids naming collisions, particularly on Windows where the
dynamic library variable is PATH and setting it causes the in-tree
`tidy` to take precedence over the HTML tidy used by compiletest.
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This was introduced as part of the MVP for `download-rustc`.
Unfortunately, it doesn't work very well:
- Steps are ignored by default, which makes it easy to leave out a step
that should be built. For example, the MVP forgot to enable any tests,
so it was *only* possible to build locally.
- It didn't work correctly even when it was enabled: calling
`builder.ensure()` would completely ignore the constant and rebuild the
step anyway. This has no obvious fix since `ensure()` has to return a
`Step::Output`.
Instead, this handles `download-rustc` in `impl Step for Rustc` and
`impl Step for Std`, which to my knowledge are the only build steps that
don't first go through `impl Step for Sysroot` (`Rustc` is used for
the `rustc-dev` component).
See https://github.com/rust-lang/rust/pull/79540#discussion_r563350075
and https://github.com/rust-lang/rust/issues/81930 for further context.
Here are some example runs with these changes and `download-rustc`
enabled:
```
$ x.py build src/tools/clippy
Building stage1 tool clippy-driver (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 1m 09s
Building stage1 tool cargo-clippy (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.11s
$ x.py test src/tools/clippy
Updating only changed submodules
Submodules updated in 0.01 seconds
Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Building stage1 tool clippy-driver (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.09s
Building rustdoc for stage1 (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.28s
Finished release [optimized] target(s) in 15.26s
Running build/x86_64-unknown-linux-gnu/stage1-tools/x86_64-unknown-linux-gnu/release/deps/clippy_driver-8b407b140e0aa91c
test result: ok. 592 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
$ x.py build src/tools/rustdoc
Building rustdoc for stage1 (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 41.28s
Build completed successfully in 0:00:41
$ x.py test src/test/rustdoc-ui
Building stage0 tool compiletest (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.12s
Building rustdoc for stage1 (x86_64-unknown-linux-gnu)
Finished release [optimized] target(s) in 0.10s
test result: ok. 105 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.15s
$ x.py build compiler/rustc
Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Build completed successfully in 0:00:00
```
Note a few things:
- Clippy depends on stage1 rustc-dev artifacts, but rustc didn't have to
be recompiled. Instead, the artifacts were copied automatically.
- All steps are always enabled. There is no danger of forgetting a step,
since only the entrypoints have to handle `download-rustc`.
- Building the compiler (`compiler/rustc`) automatically does no work.
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