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This allows building with libressl 2.6
Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
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Update the `cargo` submodule
Notably pull in an update to the `jobserver` crate to have Cargo set the
`CARGO_MAKEFLAGS` environment variable instead of the `MAKEFLAGS` environment
variable.
cc https://github.com/rust-lang/rust/issues/42635
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Notably pull in an update to the `jobserver` crate to have Cargo set the
`CARGO_MAKEFLAGS` environment variable instead of the `MAKEFLAGS` environment
variable.
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I wanted to update mdbook's version. This ended up updating a bunch of other stuff too.
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Switch to rust-lang-nursery/compiler-builtins
This commit migrates the in-tree `libcompiler_builtins` to the upstream version
at https://github.com/rust-lang-nursery/compiler-builtins. The upstream version
has a number of intrinsics written in Rust and serves as an in-progress rewrite
of compiler-rt into Rust. Additionally it also contains all the existing
intrinsics defined in `libcompiler_builtins` for 128-bit integers.
It's been the intention since the beginning to make this transition but
previously it just lacked the manpower to get done. As this PR likely shows it
wasn't a trivial integration! Some highlight changes are:
* The PR rust-lang-nursery/compiler-builtins#166 contains a number of fixes
across platforms and also some refactorings to make the intrinsics easier to
read. The additional testing added there also fixed a number of integration
issues when pulling the repository into this tree.
* LTO with the compiler-builtins crate was fixed to link in the entire crate
after the LTO process as these intrinsics are excluded from LTO.
* Treatment of hidden symbols was updated as previously the
`#![compiler_builtins]` crate would mark all symbol *imports* as hidden
whereas it was only intended to mark *exports* as hidden.
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rustc: Implement the #[global_allocator] attribute
This PR is an implementation of [RFC 1974] which specifies a new method of
defining a global allocator for a program. This obsoletes the old
`#![allocator]` attribute and also removes support for it.
[RFC 1974]: https://github.com/rust-lang/rfcs/pull/1974
The new `#[global_allocator]` attribute solves many issues encountered with the
`#![allocator]` attribute such as composition and restrictions on the crate
graph itself. The compiler now has much more control over the ABI of the
allocator and how it's implemented, allowing much more freedom in terms of how
this feature is implemented.
cc #27389
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This PR is an implementation of [RFC 1974] which specifies a new method of
defining a global allocator for a program. This obsoletes the old
`#![allocator]` attribute and also removes support for it.
[RFC 1974]: https://github.com/rust-lang/rfcs/pull/197
The new `#[global_allocator]` attribute solves many issues encountered with the
`#![allocator]` attribute such as composition and restrictions on the crate
graph itself. The compiler now has much more control over the ABI of the
allocator and how it's implemented, allowing much more freedom in terms of how
this feature is implemented.
cc #27389
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This commit migrates the in-tree `libcompiler_builtins` to the upstream version
at https://github.com/rust-lang-nursery/compiler-builtins. The upstream version
has a number of intrinsics written in Rust and serves as an in-progress rewrite
of compiler-rt into Rust. Additionally it also contains all the existing
intrinsics defined in `libcompiler_builtins` for 128-bit integers.
It's been the intention since the beginning to make this transition but
previously it just lacked the manpower to get done. As this PR likely shows it
wasn't a trivial integration! Some highlight changes are:
* The PR rust-lang-nursery/compiler-builtins#166 contains a number of fixes
across platforms and also some refactorings to make the intrinsics easier to
read. The additional testing added there also fixed a number of integration
issues when pulling the repository into this tree.
* LTO with the compiler-builtins crate was fixed to link in the entire crate
after the LTO process as these intrinsics are excluded from LTO.
* Treatment of hidden symbols was updated as previously the
`#![compiler_builtins]` crate would mark all symbol *imports* as hidden
whereas it was only intended to mark *exports* as hidden.
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... to get https://github.com/rust-lang/cargo/pull/4244 and
https://github.com/rust-lang/cargo/pull/4246
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When writing LLVM IR output demangled fn name in comments
`--emit=llvm-ir` looks like this now:
```
; <alloc::vec::Vec<T> as core::ops::index::IndexMut<core::ops::range::RangeFull>>::index_mut
; Function Attrs: inlinehint uwtable
define internal { i8*, i64 } @"_ZN106_$LT$alloc..vec..Vec$LT$T$GT$$u20$as$u20$core..ops..index..IndexMut$LT$core..ops..range..RangeFull$GT$$GT$9index_mut17h7f7b576609f30262E"(%"alloc::vec::Vec<u8>"* dereferenceable(24)) unnamed_addr #0 {
start:
...
```
cc https://github.com/integer32llc/rust-playground/issues/15
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`--emit=llvm-ir` looks like this now:
```
; <alloc::vec::Vec<T> as core::ops::index::IndexMut<core::ops::range::RangeFull>>::index_mut
; Function Attrs: inlinehint uwtable
define internal { i8*, i64 } @"_ZN106_$LT$alloc..vec..Vec$LT$T$GT$$u20$as$u20$core..ops..index..IndexMut$LT$core..ops..range..RangeFull$GT$$GT$9index_mut17h7f7b576609f30262E"(%"alloc::vec::Vec<u8>"* dereferenceable(24)) unnamed_addr #0 {
start:
...
```
cc https://github.com/integer32llc/rust-playground/issues/15
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Integrate jobserver support to parallel codegen
This commit integrates the `jobserver` crate into the compiler. The crate was
previously integrated in to Cargo as part of rust-lang/cargo#4110. The purpose
here is to two-fold:
* Primarily the compiler can cooperate with Cargo on parallelism. When you run
`cargo build -j4` then this'll make sure that the entire build process between
Cargo/rustc won't use more than 4 cores, whereas today you'd get 4 rustc
instances which may all try to spawn lots of threads.
* Secondarily rustc/Cargo can now integrate with a foreign GNU `make` jobserver.
This means that if you call cargo/rustc from `make` or another
jobserver-compatible implementation it'll use foreign parallelism settings
instead of creating new ones locally.
As the number of parallel codegen instances in the compiler continues to grow
over time with the advent of incremental compilation it's expected that this'll
become more of a problem, so this is intended to nip concurrent concerns in the
bud by having all the tools to cooperate!
Note that while rustc has support for itself creating a jobserver it's far more
likely that rustc will always use the jobserver configured by Cargo. Cargo today
will now set a jobserver unconditionally for rustc to use.
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Update rls-data version
And update the RLS submod
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This commit integrates the `jobserver` crate into the compiler. The crate was
previously integrated in to Cargo as part of rust-lang/cargo#4110. The purpose
here is to two-fold:
* Primarily the compiler can cooperate with Cargo on parallelism. When you run
`cargo build -j4` then this'll make sure that the entire build process between
Cargo/rustc won't use more than 4 cores, whereas today you'd get 4 rustc
instances which may all try to spawn lots of threads.
* Secondarily rustc/Cargo can now integrate with a foreign GNU `make` jobserver.
This means that if you call cargo/rustc from `make` or another
jobserver-compatible implementation it'll use foreign parallelism settings
instead of creating new ones locally.
As the number of parallel codegen instances in the compiler continues to grow
over time with the advent of incremental compilation it's expected that this'll
become more of a problem, so this is intended to nip concurrent concerns in the
bud by having all the tools to cooperate!
Note that while rustc has support for itself creating a jobserver it's far more
likely that rustc will always use the jobserver configured by Cargo. Cargo today
will now set a jobserver unconditionally for rustc to use.
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This commit deletes the in-tree `getopts` crate in favor of the crates.io-based
`getopts` crate. The main difference here is with a new builder-style API, but
otherwise everything else remains relatively standard.
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Bump to 1.20.0 and update stage0 compiler
Betas are hot off the bots, let's get them while they're fresh.
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Closes rust-lang/cargo#4189
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Update cargo/rls submodules and dependencies
Brings in a few regression fixes on the Cargo side, updates the rls to work
with the newer Cargo, and also updates other crates.io dependencies to pull in
various bug fixes and such.
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Reintroduce deprecated `collections` crate
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Implement lazy loading of external crates' sources. Fixes #38875
Fixes #38875. This is a follow-up to #42507. When a (now correctly translated) span from an external crate is referenced in a error, warning or info message, we still don't have the source code being referenced.
Since stuffing the source in the serialized metadata of an rlib is extremely wasteful, the following scheme has been implemented:
* File maps now contain a source hash that gets serialized as well.
* When a span is rendered in a message, the source hash in the corresponding file map(s) is used to try and load the source from the corresponding file on disk. If the file is not found or the hashes don't match, the failed attempt is recorded (and not retried).
* The machinery fetching source lines from file maps is augmented to use the lazily loaded external source as a secondary fallback for file maps belonging to external crates.
This required a small change to the expected stderr of one UI test (it now renders a span, where previously was none).
Further work can be done based on this - some of the machinery previously used to hide external spans is possibly obsolete and the hashing code can be reused in different places as well.
r? @eddyb
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Brings in a few regression fixes on the Cargo side, updates the rls to work
with the newer Cargo, and also updates other crates.io dependencies to pull in
various bug fixes and such.
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Autogenerate stubs and SUMMARY.md in the unstable book
Removes a speed bump in compiler development by autogenerating stubs for features in the unstable book. See #42454 for discussion.
The PR contains three commits, separated in order to make review easy:
* The first commit converts the tidy tool from a binary crate to a crate that contains both a library and a binary. In the second commit, we'll use the tidy library
* The second and main commit introduces autogeneration of SUMMARY.md and feature stub files
* The third commit turns off the tidy lint that checks for features without a stub, and removes the stub files. A separate commit due to the large number of files touched
Members of the doc team who wish to document some features can either do this (where `$rustsrc` is the root of the rust repo git checkout):
1. cd to `$rustsrc/src/tools/unstable-book-gen` and then do `cargo run $rustsrc/src $rustsrc/src/doc/unstable-book` to put the stubs into the unstable book
2. cd to `$rustsrc` and run `git ls-files --others --exclude-standard` to list the newly added stubs
3. choose a file to edit, then `git add` it and `git commit`
4. afterwards, remove all changes by the tool by doing `git --reset hard` and `git clean -f`
Or they can do this:
1. remove the comment marker in `src/tools/tidy/src/unstable_book.rs` line 122
2. run `./x.py test src/tools/tidy` to list the unstable features which only have stubs
3. revert the change in 1
3. document one of the chosen unstable features
The changes done by this PR also allow for further development:
* tidy obtains information about tracking issues. We can now forbid differing tracking issues between differing `#![unstable]` annotations. I haven't done this but plan to in a future PR
* we now have a general framework for generating stuff for the unstable book at build time. Further changes can autogenerate a list of the API a given library feature exposes.
The old way to simply click through the documentation after it has been uploaded to rust-lang.org works as well.
r? @nagisa
Fixes #42454
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Merge crate `collections` into `alloc`
This is a necessary step in order to merge #42565
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Build instruction profiler runtime as part of compiler-rt
r? @alexcrichton
This is #38608 with some fixes.
Still missing:
- [x] testing with profiler enabled on some builders (on which ones? Should I add the option to some of the already existing configurations, or create a new configuration?);
- [x] enabling distribution (on which builders?);
- [x] documentation.
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The rationale is that BOM stripping is needed for lazy source loading
for external crates, and duplication can be avoided by moving the
corresponding functionality to libsyntax_pos.
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update git2
Fixes build with libressl
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Fixes build with libressl
Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
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Brings in some perf improvements!
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Update rust-installer for Windows executable mode
It now marks a few whitelisted extensions as executable in the tarball,
so Windows packages can be extracted on other platforms and directly
execute install.sh.
It also includes a fix for the chmod on bulk dirs, so now the html docs
won't be marked executable en masse.
Fixes #42121
r? @alexcrichton
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Fixes #38584
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It now marks a few whitelisted extensions as executable in the tarball,
so Windows packages can be extracted on other platforms and directly
execute install.sh.
It also includes a fix for the chmod on bulk dirs, so now the html docs
won't be marked executable en masse.
Fixes #42121
r? @alexcrichton
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This should include a fix for rust-lang/cargo#4091 with an updated version of
libgit2.
Closes rust-lang/cargo#4091
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Contains a fix for rust-lang/cargo#4081
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