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CVS log for pkgsrc/lang/rust/buildlink3.mk

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Revision 1.14 / (download) - annotate - [select for diffs], Wed Oct 25 05:50:43 2023 UTC (6 weeks, 5 days ago) by pin
Branch: MAIN
CVS Tags: HEAD
Changes since 1.13: +0 -1 lines
Diff to previous 1.13 (colored)

lang/rust: update to 1.72.1

Packaged in wip by he@ and adam@ with minor adjustments from myself.

v1.72.1
Changes
 - Adjust codegen change to improve LLVM codegen
 - rustdoc: Fix self ty params in objects with lifetimes
 - Fix regression in compile times
 - Resolve some ICE regressions in the compiler:
     - #115215
     - #115559

v1.72.0
Language
 - Replace const eval limit by a lint and add an exponential backoff warning
 - expand: Change how #![cfg(FALSE)] behaves on crate root
 - Stabilize inline asm for LoongArch64
 - Uplift clippy::undropped_manually_drops lint
 - Uplift clippy::invalid_utf8_in_unchecked lint as invalid_from_utf8_unchecked
   and invalid_from_utf8
 - Uplift clippy::cast_ref_to_mut lint as invalid_reference_casting
 - Uplift clippy::cmp_nan lint as invalid_nan_comparisons
 - resolve: Remove artificial import ambiguity errors
 - Don require associated types with Self: Sized bounds in dyn Trait objects

Compiler
 - Remember names of cfg-ed out items to mention them in diagnostics
 - Support for native WASM exceptions
 - Add support for NetBSD/aarch64-be (big-endian arm64).
 - Write to stdout if - is given as output file
 - Force all native libraries to be statically linked when linking a static
   binary
 - Add Tier 3 support for loongarch64-unknown-none*
 - Prevent .eh_frame from being emitted for -C panic=abort
 - Support 128-bit enum variant in debuginfo codegen
 - compiler: update solaris/illumos to enable tsan support.

Refer to Rust platform support page, platform-support-doc for more
information on Rust tiered platform support.

Libraries
 - Document memory orderings of thread::{park, unpark}
 - io: soften t most one write attemptrequirement in io::Write::write
 - Specify behavior of HashSet::insert
 - Relax implicit T: Sized bounds on BufReader<T>, BufWriter<T> and LineWriter<T>
 - Update runtime guarantee for select_nth_unstable
 - Return Ok on kill if process has already exited
 - Implement PartialOrd for Vecs over different allocators
 - Use 128 bits for TypeId hash
 - Don drain-on-drop in DrainFilter impls of various collections.
 - Make {Arc,Rc,Weak}::ptr_eq ignore pointer metadata

Rustdoc
 - Allow whitespace as path separator like double colon
 - Add search result item types after their name
 - Search for slices and arrays by type with []
 - Clean up type unification and nboxing
Stabilized APIs
 impl<T: Send> Sync for mpsc::Sender<T>
 impl TryFrom<&OsStr> for &str
 String::leak

These APIs are now stable in const contexts:
 CStr::from_bytes_with_nul
 CStr::to_bytes
 CStr::to_bytes_with_nul
 CStr::to_str

Cargo
 - Enable -Zdoctest-in-workspace by default. When running each documentation
   test, the working directory is set to the root directory of the package the
   test belongs to. docs #12221 #12288
 - Add support of the efaultkeyword to reset previously set build.jobs
   parallelism back to the default. #12222

Compatibility Notes
 - Alter Display for Ipv6Addr for IPv4-compatible addresses
 - Cargo changed feature name validation check to a hard error. The warning was
   added in Rust 1.49. These extended characters aren allowed on crates.io,
   so this should only impact users of other registries, or people who don
   publish to a registry. #12291
 - Demoted mips*-unknown-linux-gnu* targets from host tier 2 to target tier 3 support.

Revision 1.13 / (download) - annotate - [select for diffs], Tue Oct 10 13:12:33 2023 UTC (2 months ago) by pin
Branch: MAIN
Changes since 1.12: +2 -2 lines
Diff to previous 1.12 (colored)

lang/rust: update to 1.71.1

Packaged by he@ and adam@ in wip
Merge request by gdt@

v1.71.1
 - Fix CVE-2023-38497: Cargo did not respect the umask when extracting
   dependencies
 - Fix bash completion for users of Rustup
 - Do not show suspicious_double_ref_op lint when calling borrow()
 - Fix ICE: substitute types before checking inlining compatibility
 - Fix ICE: don't use can_eq in derive(..) suggestion for missing method
 - Fix building Rust 1.71.0 from the source tarball

v1.71.0
Language
 - Stabilize raw-dylib, link_ordinal, import_name_type and -Cdlltool.
 - Uplift clippy::{drop,forget}_{ref,copy} lints.
 - Type inference is more conservative around constrained vars.
 - Use fulfillment to check Drop impl compatibility

Compiler
 - Evaluate place expression in PlaceMention, making let _ = patterns more
   consistent with respect to the borrow checker.
 - Add --print deployment-target flag for Apple targets.
 - Stabilize extern "C-unwind" and friends. The existing extern "C" etc. may
   change behavior for cross-language unwinding in a future release.
 - Update the version of musl used on *-linux-musl targets to 1.2.3, enabling
   time64 on 32-bit systems.
 - Stabilize debugger_visualizer for embedding metadata like Microsoft's Natvis.
 - Enable flatten-format-args by default.
 - Make Self respect tuple constructor privacy.
 - Improve niche placement by trying two strategies and picking the better
   result.
 - Use apple-m1 as the target CPU for aarch64-apple-darwin.
 - Add Tier 3 support for the x86_64h-apple-darwin target.
 - Promote loongarch64-unknown-linux-gnu to Tier 2 with host tools.

Refer to Rust's platform support page for more information on Rust's tiered
platform support.

Libraries
 - Rework handling of recursive panics. Additional panics are allowed while
   unwinding, as long as they are caught before escaping a Drop implementation,
   but panicking within a panic hook is now an immediate abort.
 - Loosen From<&[T]> for Box<[T]> bound to T: Clone.
 - Remove unnecessary T: Send bound in Error for mpsc::SendError<T> and
   TrySendError<T>.
 - Fix docs for alloc::realloc to match Layout requirements that the size must
   not exceed isize::MAX.
 - Document const {} syntax for std::thread_local. This syntax was stabilized
   in Rust 1.59, but not previously mentioned in release notes.

Stabilized APIs
    CStr::is_empty
    BuildHasher::hash_one
    NonZeroI*::is_positive
    NonZeroI*::is_negative
    NonZeroI*::checked_neg
    NonZeroI*::overflowing_neg
    NonZeroI*::saturating_neg
    NonZeroI*::wrapping_neg
    Neg for NonZeroI*
    Neg for &NonZeroI*
    From<[T; N]> for (T...) (array to N-tuple for N in 1..=12)
    From<(T...)> for [T; N] (N-tuple to array for N in 1..=12)
    windows::io::AsHandle for Box<T>
    windows::io::AsHandle for Rc<T>
    windows::io::AsHandle for Arc<T>
    windows::io::AsSocket for Box<T>
    windows::io::AsSocket for Rc<T>
    windows::io::AsSocket for Arc<T>

These APIs are now stable in const contexts:
    <*const T>::read
    <*const T>::read_unaligned
    <*mut T>::read
    <*mut T>::read_unaligned
    ptr::read
    ptr::read_unaligned
    <[T]>::split_at

Cargo
 - Allow named debuginfo options in Cargo.toml.
 - Add workspace_default_members to the output of cargo metadata.
 - Automatically inherit workspace fields when running cargo new/cargo init.

Rustdoc
 - Add a new rustdoc::unescaped_backticks lint for broken inline code.
 - Support strikethrough with single tildes. (~~old~~ vs. ~new~)

Compatibility Notes
 - Remove structural match from TypeId. Code that uses a constant TypeId in a
   pattern will potentially be broken. Known cases have already been fixed
   -- in particular, users of the log crate's kv_unstable feature should update
   to log v0.4.18 or later.
 - Add a sysroot crate to represent the standard library crates. This does not
   affect stable users, but may require adjustment in tools that build their
   own standard library.
 - Cargo optimizes its usage under rustup. When Cargo detects it will run rustc
   pointing to a rustup proxy, it'll try bypassing the proxy and use the
   underlying binary directly. There are assumptions around the interaction
   with rustup and RUSTUP_TOOLCHAIN. However, it's not expected to affect
   normal users.
 - When querying a package, Cargo tries only the original name, all hyphens,
   and all underscores to handle misspellings. Previously, Cargo tried each
   combination of hyphens and underscores, causing excessive requests to
   crates.io.
 - Cargo now disallows RUSTUP_HOME and RUSTUP_TOOLCHAIN in the [env]
   configuration table. This is considered to be not a use case Cargo would
   like to support, since it will likely cause problems or lead to confusion.

Internal Changes
These changes do not affect any public interfaces of Rust, but they represent
significant improvements to the performance or internals of rustc and related
tools.

Revision 1.12 / (download) - annotate - [select for diffs], Mon Aug 14 05:24:45 2023 UTC (3 months, 4 weeks ago) by wiz
Branch: MAIN
CVS Tags: pkgsrc-2023Q3-base, pkgsrc-2023Q3
Changes since 1.11: +2 -1 lines
Diff to previous 1.11 (colored)

*: recursive bump for Python 3.11 as new default

Revision 1.11 / (download) - annotate - [select for diffs], Mon Jan 23 18:49:03 2023 UTC (10 months, 2 weeks ago) by he
Branch: MAIN
CVS Tags: pkgsrc-2023Q2-base, pkgsrc-2023Q2, pkgsrc-2023Q1-base, pkgsrc-2023Q1
Changes since 1.10: +2 -3 lines
Diff to previous 1.10 (colored)

rust: Upgrade to version 1.66.1.

Pkgsrc changes:
 * pkglint cleanups, bump bootstrap kits to 1.65.0.
 * New target: mipsel-unknown-netbsd, for cpu=mips32 with soft-float.
 * Managed to retain the build of aarch64_be, llvm needed a patch to
   avoid use of neon instructions in the BE case (llvm doesn't support
   use of neon in BE mode).  Ref. patch to
   src/llvm-project/llvm/lib/Support/BLAKE3/blake3_impl.h.
   Also submitted upstream of LLVM to the BLAKE3 maintainers.
 * The minimum gcc version is now 7.x, and that includes the
   cross-compiler for the targets.  For i386 this also needs to
   /usr/include/gcc-7 include files in the target root, because
   immintrin.h from gcc 5 is not compatible with gcc 7.x.  This
   applies for the targets where we build against a root from netbsd-8
   (sparc64, powerpc, i386), and files/gcc-wrap gets a hack for this.
 * Pick up tweak for -latomic inclusion from
   https://github.com/rust-lang/rust/issues/104220
   and
   https://github.com/rust-lang/rust/pull/104572
 * Retain ability to do 32-bit NetBSD, by changing from 64 to 32 bit
   types in library/std/src/sys/unix/thread_parker/netbsd.rs.
 * I've tried to get the "openssl-src" build with -latomic where it's
   needed.  I've introduced the "NetBSD-generic32" system type and use
   it for the NetBSD mipsel target.  There is another attempt to do
   the same in the patch to vendor/openssl-sys/build/main.rs.


Upstream changes:

Version 1.66.1 (2023-01-10)
===========================

- Added validation of SSH host keys for git URLs in Cargo
  ([CVE-2022-46176](https://www.cve.org/CVERecord?id=CVE-2022-46176))


Version 1.66.0 (2022-12-15)
===========================

Language
--------
- [Permit specifying explicit discriminants on all `repr(Int)`
  enums](https://github.com/rust-lang/rust/pull/95710/)
  ```rust
  #[repr(u8)]
  enum Foo {
      A(u8) = 0,
      B(i8) = 1,
      C(bool) = 42,
  }
  ```
- [Allow transmutes between the same type differing only in
  lifetimes](https://github.com/rust-lang/rust/pull/101520/)
- [Change constant evaluation errors from a deny-by-default lint to a
  hard error](https://github.com/rust-lang/rust/pull/102091/)
- [Trigger `must_use` on `impl Trait` for
  supertraits](https://github.com/rust-lang/rust/pull/102287/) This
  makes `impl ExactSizeIterator` respect the existing `#[must_use]`
  annotation on `Iterator`.
- [Allow `..X` and `..=X` in
  patterns](https://github.com/rust-lang/rust/pull/102275/)
- [Uplift `clippy::for_loops_over_fallibles` lint into
  rustc](https://github.com/rust-lang/rust/pull/99696/)
- [Stabilize `sym` operands in inline
  assembly](https://github.com/rust-lang/rust/pull/103168/)
- [Update to Unicode 15](https://github.com/rust-lang/rust/pull/101912/)
- [Opaque types no longer imply lifetime
  bounds](https://github.com/rust-lang/rust/pull/95474/) This is a
  soundness fix which may break code that was erroneously relying on this
  behavior.

Compiler
--------
- [Add armv5te-none-eabi and thumbv5te-none-eabi tier 3
  targets](https://github.com/rust-lang/rust/pull/101329/)
  - Refer to Rust's [platform support page][platform-support-doc] for
    more information on Rust's tiered platform support.
- [Add support for linking against macOS universal
  libraries](https://github.com/rust-lang/rust/pull/98736)

Libraries
---------
- [Fix `#[derive(Default)]` on a generic `#[default]` enum adding
  unnecessary `Default`
  bounds](https://github.com/rust-lang/rust/pull/101040/)
- [Update to Unicode 15](https://github.com/rust-lang/rust/pull/101821/)

Stabilized APIs
---------------
- [`proc_macro::Span::source_text`](https://doc.rust-lang.org/stable/proc_macro/struct.Span.html#method.source_text)
- [`uX::{checked_add_signed, overflowing_add_signed,
  saturating_add_signed,
  wrapping_add_signed}`](https://doc.rust-lang.org/stable/std/primitive.u8.html#method.checked_add_signed)
- [`iX::{checked_add_unsigned, overflowing_add_unsigned,
  saturating_add_unsigned,
  wrapping_add_unsigned}`](https://doc.rust-lang.org/stable/std/primitive.i8.html#method.checked_add_unsigned)
- [`iX::{checked_sub_unsigned, overflowing_sub_unsigned,
  saturating_sub_unsigned,
  wrapping_sub_unsigned}`](https://doc.rust-lang.org/stable/std/primitive.i8.html#method.checked_sub_unsigned)
- [`BTreeSet::{first, last, pop_first,
  pop_last}`](https://doc.rust-lang.org/stable/std/collections/struct.BTreeSet.html#method.first)
- [`BTreeMap::{first_key_value, last_key_value, first_entry, last_entry,
  pop_first,
  pop_last}`](https://doc.rust-lang.org/stable/std/collections/struct.BTreeMap.html#method.first_key_value)
- [Add `AsFd` implementations for stdio lock types on
  WASI.](https://github.com/rust-lang/rust/pull/101768/)
- [`impl TryFrom<Vec<T>> for Box<[T;
  N]>`](https://doc.rust-lang.org/stable/std/boxed/struct.Box.html#impl-TryFrom%3CVec%3CT%2C%20Global%3E%3E-for-Box%3C%5BT%3B%20N%5D%2C%20Global%3E)
- [`core::hint::black_box`](https://doc.rust-lang.org/stable/std/hint/fn.black_box.html)
- [`Duration::try_from_secs_{f32,f64}`](https://doc.rust-lang.org/stable/std/time/struct.Duration.html#method.try_from_secs_f32)
- [`Option::unzip`](https://doc.rust-lang.org/stable/std/option/enum.Option.html#method.unzip)
- [`std::os::fd`](https://doc.rust-lang.org/stable/std/os/fd/index.html)

Rustdoc
-------
- [Add Rustdoc warning for invalid HTML tags in the
  documentation](https://github.com/rust-lang/rust/pull/101720/)

Cargo
-----
- [Added `cargo remove` to remove dependencies from
  Cargo.toml](https://doc.rust-lang.org/nightly/cargo/commands/cargo-remove.html)
- [`cargo publish` now waits for the new version to be downloadable
  before exiting](https://github.com/rust-lang/cargo/pull/11062)

See [detailed release notes](https://github.com/rust-lang/cargo/blob/master/CHANGELOG.md#cargo-166-2022-12-15) for more.

Compatibility Notes
-------------------
- [Only apply `ProceduralMasquerade` hack to older versions of
  `rental`](https://github.com/rust-lang/rust/pull/94063/)
- [Don't export `__heap_base` and `__data_end` on
  wasm32-wasi.](https://github.com/rust-lang/rust/pull/102385/)
- [Don't export `__wasm_init_memory` on
  WebAssembly.](https://github.com/rust-lang/rust/pull/102426/)
- [Only export `__tls_*` on
  wasm32-unknown-unknown.](https://github.com/rust-lang/rust/pull/102440/)
- [Don't link to `libresolv` in libstd on
  Darwin](https://github.com/rust-lang/rust/pull/102766/)
- [Update libstd's libc to 0.2.135 (to make `libstd` no longer pull in
  `libiconv.dylib` on
  Darwin)](https://github.com/rust-lang/rust/pull/103277/)
- [Opaque types no longer imply lifetime
  bounds](https://github.com/rust-lang/rust/pull/95474/)
  This is a soundness fix which may break code that was erroneously
  relying on this behavior.
- [Make `order_dependent_trait_objects` show up in future-breakage
  reports](https://github.com/rust-lang/rust/pull/102635/)
- [Change std::process::Command spawning to default to inheriting the
  parent's signal mask](https://github.com/rust-lang/rust/pull/101077/)

Internal Changes
----------------

These changes do not affect any public interfaces of Rust, but they
represent significant improvements to the performance or internals of
rustc and related tools.

- [Enable BOLT for LLVM
  compilation](https://github.com/rust-lang/rust/pull/94381/)
- [Enable LTO for
  rustc_driver.so](https://github.com/rust-lang/rust/pull/101403/)


Version 1.65.0 (2022-11-03)
==========================

Language
--------
- [Error on `as` casts of enums with `#[non_exhaustive]` variants]
  (https://github.com/rust-lang/rust/pull/92744/)
- [Stabilize `let else`](https://github.com/rust-lang/rust/pull/93628/)
- [Stabilize generic associated types (GATs)]
  (https://github.com/rust-lang/rust/pull/96709/)
- [Add lints `let_underscore_drop`, `let_underscore_lock`, and
  `let_underscore_must_use` from Clippy]
  (https://github.com/rust-lang/rust/pull/97739/)
- [Stabilize `break`ing from arbitrary labeled blocks ("label-break-value")]
  (https://github.com/rust-lang/rust/pull/99332/)
- [Uninitialized integers, floats, and raw pointers are now considered
  immediate UB](https://github.com/rust-lang/rust/pull/98919/).
  Usage of `MaybeUninit` is the correct way to work with uninitialized
  memory.
- [Stabilize raw-dylib for Windows x86_64, aarch64, and thumbv7a]
  (https://github.com/rust-lang/rust/pull/99916/)
- [Do not allow `Drop` impl on foreign ADTs]
  (https://github.com/rust-lang/rust/pull/99576/)

Compiler
--------
- [Stabilize -Csplit-debuginfo on Linux]
  (https://github.com/rust-lang/rust/pull/98051/)
- [Use niche-filling optimization even when multiple variants have
  data] (https://github.com/rust-lang/rust/pull/94075/)
- [Associated type projections are now verified to be well-formed
  prior to resolving the underlying type]
  (https://github.com/rust-lang/rust/pull/99217/#issuecomment-1209365630)
- [Stringify non-shorthand visibility correctly]
  (https://github.com/rust-lang/rust/pull/100350/)
- [Normalize struct field types when unsizing]
  (https://github.com/rust-lang/rust/pull/101831/)
- [Update to LLVM 15](https://github.com/rust-lang/rust/pull/99464/)
- [Fix aarch64 call abi to correctly zeroext when needed]
  (https://github.com/rust-lang/rust/pull/97800/)
- [debuginfo: Generalize C++-like encoding for enums]
  (https://github.com/rust-lang/rust/pull/98393/)
- [Add `special_module_name` lint]
  (https://github.com/rust-lang/rust/pull/94467/)
- [Add support for generating unique profraw files by default when
  using `-C instrument-coverage`]
  (https://github.com/rust-lang/rust/pull/100384/)
- [Allow dynamic linking for iOS/tvOS targets]
  (https://github.com/rust-lang/rust/pull/100636/)

New targets:
- [Add armv4t-none-eabi as a tier 3 target]
  (https://github.com/rust-lang/rust/pull/100244/)
- [Add powerpc64-unknown-openbsd and riscv64-unknown-openbsd as tier 3 targets]
  (https://github.com/rust-lang/rust/pull/101025/)
- Refer to Rust's [platform support page][platform-support-doc] for more
  information on Rust's tiered platform support.

Libraries
---------
- [Don't generate `PartialEq::ne` in derive(PartialEq)]
  (https://github.com/rust-lang/rust/pull/98655/)
- [Windows RNG: Use `BCRYPT_RNG_ALG_HANDLE` by default]
  (https://github.com/rust-lang/rust/pull/101325/)
- [Forbid mixing `System` with direct system allocator calls]
  (https://github.com/rust-lang/rust/pull/101394/)
- [Document no support for writing to non-blocking stdio/stderr]
  (https://github.com/rust-lang/rust/pull/101416/)
- [`std::layout::Layout` size must not overflow `isize::MAX` when
  rounded up to `align`](https://github.com/rust-lang/rust/pull/95295)
  This also changes the safety conditions on
  `Layout::from_size_align_unchecked`.

Stabilized APIs
---------------
- [`std::backtrace::Backtrace`]
  (https://doc.rust-lang.org/stable/std/backtrace/struct.Backtrace.html)
- [`Bound::as_ref`]
  (https://doc.rust-lang.org/stable/std/ops/enum.Bound.html#method.as_ref)
- [`std::io::read_to_string`]
  (https://doc.rust-lang.org/stable/std/io/fn.read_to_string.html)
- [`<*const T>::cast_mut`]
  (https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.cast_mut)
- [`<*mut T>::cast_const`]
  (https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.cast_const)

These APIs are now stable in const contexts:
- [`<*const T>::offset_from`]
  (https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.offset_from)
- [`<*mut T>::offset_from`]
  (https://doc.rust-lang.org/stable/std/primitive.pointer.html#method.offset_from)

Cargo
-----
- [Apply GitHub fast path even for partial hashes]
  (https://github.com/rust-lang/cargo/pull/10807/)
- [Do not add home bin path to PATH if it's already there]
  (https://github.com/rust-lang/cargo/pull/11023/)
- [Take priority into account within the pending queue]
  (https://github.com/rust-lang/cargo/pull/11032/).
  This slightly optimizes job scheduling by Cargo, with typically
  small improvements on larger crate graph builds.

Compatibility Notes
-------------------
- [`std::layout::Layout` size must not overflow `isize::MAX` when
  rounded up to `align`] (https://github.com/rust-lang/rust/pull/95295).
  This also changes the safety conditions on
  `Layout::from_size_align_unchecked`.
- [`PollFn` now only implements `Unpin` if the closure is `Unpin`]
  (https://github.com/rust-lang/rust/pull/102737).
  This is a possible breaking change if users were relying on the
  blanket unpin implementation.  See discussion on the PR for
  details of why this change was made.
- [Drop ExactSizeIterator impl from std::char::EscapeAscii]
  (https://github.com/rust-lang/rust/pull/99880)
  This is a backwards-incompatible change to the standard library's
  surface area, but is unlikely to affect real world usage.
- [Do not consider a single repeated lifetime eligible for elision
  in the return type] (https://github.com/rust-lang/rust/pull/103450)
  This behavior was unintentionally changed in 1.64.0, and this
  release reverts that change by making this an error again.
- [Reenable disabled early syntax gates as future-incompatibility
  lints] (https://github.com/rust-lang/rust/pull/99935/)
- [Update the minimum external LLVM to 13]
  (https://github.com/rust-lang/rust/pull/100460/)
- [Don't duplicate file descriptors into stdio fds]
  (https://github.com/rust-lang/rust/pull/101426/)
- [Sunset RLS](https://github.com/rust-lang/rust/pull/100863/)
- [Deny usage of `#![cfg_attr(..., crate_type = ...)]` to set the
  crate type] (https://github.com/rust-lang/rust/pull/99784/)
  This strengthens the forward compatibility lint
  deprecated_cfg_attr_crate_type_name to deny.
- [`llvm-has-rust-patches` allows setting the build system to treat
  the LLVM as having Rust-specific patches]
  (https://github.com/rust-lang/rust/pull/101072)
  This option may need to be set for distributions that are building
  Rust with a patched LLVM via `llvm-config`, not the built-in
  LLVM.

Internal Changes
----------------

These changes do not affect any public interfaces of Rust, but they represent
significant improvements to the performance or internals of rustc and related
tools.

- [Add `x.sh` and `x.ps1` shell scripts]
  (https://github.com/rust-lang/rust/pull/99992/)
- [compiletest: use target cfg instead of hard-coded tables]
  (https://github.com/rust-lang/rust/pull/100260/)
- [Use object instead of LLVM for reading bitcode from rlibs]
  (https://github.com/rust-lang/rust/pull/98100/)
- [Enable MIR inlining for optimized compilations]
  (https://github.com/rust-lang/rust/pull/91743)
  This provides a 3-10% improvement in compiletimes for real world
  crates. See [perf results]
  (https://perf.rust-lang.org/compare.html?start=aedf78e56b2279cc869962feac5153b6ba7001ed&end=0075bb4fad68e64b6d1be06bf2db366c30bc75e1&stat=instructions:u).

Revision 1.10 / (download) - annotate - [select for diffs], Tue Jun 28 11:34:15 2022 UTC (17 months, 1 week ago) by wiz
Branch: MAIN
CVS Tags: pkgsrc-2022Q4-base, pkgsrc-2022Q4, pkgsrc-2022Q3-base, pkgsrc-2022Q3
Changes since 1.9: +2 -1 lines
Diff to previous 1.9 (colored)

*: recursive bump for perl 5.36

Revision 1.9 / (download) - annotate - [select for diffs], Tue Apr 20 11:54:32 2021 UTC (2 years, 7 months ago) by he
Branch: MAIN
CVS Tags: pkgsrc-2022Q2-base, pkgsrc-2022Q2, pkgsrc-2022Q1-base, pkgsrc-2022Q1, pkgsrc-2021Q4-base, pkgsrc-2021Q4, pkgsrc-2021Q3-base, pkgsrc-2021Q3, pkgsrc-2021Q2-base, pkgsrc-2021Q2
Changes since 1.8: +3 -3 lines
Diff to previous 1.8 (colored)

Fix errors and most warnings flagged by pkglint.
Note to self: run pkglint before committing.
Thanks to jperkin@ for the note.

Revision 1.8 / (download) - annotate - [select for diffs], Mon Apr 19 17:08:09 2021 UTC (2 years, 7 months ago) by he
Branch: MAIN
Changes since 1.7: +3 -3 lines
Diff to previous 1.7 (colored)

Update lang/rust to version 1.50.0.

Pkgsrc changes:
 * Adjust patches, re-compute line offsets, fix capitalization.
 * Remove i686/FreeBSD support, no longer provided upstream.
 * Bump bootstraps to 1.49.0.
 * Change USE_TOOLS from bsdtar to gtar.
 * Reduce diffs to pkgsrc-wip package patches.
 * Allow rust.BUILD_TARGET to override automatic choice of target.
 * Add an i586/NetBSD (pentium) bootstrap variant (needs testing),
   not yet added as bootstrap since 1.49 doesn't have that variant.

Upstream changes:

Version 1.50.0 (2021-02-11)
============================

Language
-----------------------
- [You can now use `const` values for `x` in `[x; N]` array
  expressions.][79270] This has been technically possible since
  1.38.0, as it was unintentionally stabilized.
- [Assignments to `ManuallyDrop<T>` union fields are now considered
  safe.][78068]

Compiler
-----------------------
- [Added tier 3\* support for the `armv5te-unknown-linux-uclibceabi`
  target.][78142]
- [Added tier 3 support for the `aarch64-apple-ios-macabi` target.][77484]
- [The `x86_64-unknown-freebsd` is now built with the full toolset.][79484]

\* Refer to Rust's [platform support page][forge-platform-support] for more
information on Rust's tiered platform support.

Libraries
-----------------------

- [`proc_macro::Punct` now implements `PartialEq<char>`.][78636]
- [`ops::{Index, IndexMut}` are now implemented for fixed sized
  arrays of any length.][74989]
- [On Unix platforms, the `std::fs::File` type now has a "niche"
  of `-1`.][74699] This value cannot be a valid file descriptor,
  and now means `Option<File>` takes up the same amount of space
  as `File`.

Stabilized APIs
---------------

- [`bool::then`]
- [`btree_map::Entry::or_insert_with_key`]
- [`f32::clamp`]
- [`f64::clamp`]
- [`hash_map::Entry::or_insert_with_key`]
- [`Ord::clamp`]
- [`RefCell::take`]
- [`slice::fill`]
- [`UnsafeCell::get_mut`]

The following previously stable methods are now `const`.

- [`IpAddr::is_ipv4`]
- [`IpAddr::is_ipv6`]
- [`Layout::size`]
- [`Layout::align`]
- [`Layout::from_size_align`]
- `pow` for all integer types.
- `checked_pow` for all integer types.
- `saturating_pow` for all integer types.
- `wrapping_pow` for all integer types.
- `next_power_of_two` for all unsigned integer types.
- `checked_power_of_two` for all unsigned integer types.

Cargo
-----------------------

- [Added the `[build.rustc-workspace-wrapper]` option.][cargo/8976]
  This option sets a wrapper to execute instead of `rustc`, for
  workspace members only.
- [`cargo:rerun-if-changed` will now, if provided a directory, scan the entire
  contents of that directory for changes.][cargo/8973]
- [Added the `--workspace` flag to the `cargo update` command.][cargo/8725]

Misc
----

- [The search results tab and the help button are focusable with
  keyboard in rustdoc.][79896]
- [Running tests will now print the total time taken to execute.][75752]

Compatibility Notes
-------------------

- [The `compare_and_swap` method on atomics has been deprecated.][79261]
  It's recommended to use the `compare_exchange` and
  `compare_exchange_weak` methods instead.
- [Changes in how `TokenStream`s are checked have fixed some cases
  where you could write unhygenic `macro_rules!` macros.][79472]
- [`#![test]` as an inner attribute is now considered unstable like
  other inner macro attributes, and reports an error by default
  through the `soft_unstable` lint.][79003]
- [Overriding a `forbid` lint at the same level that it was set is
  now a hard error.][78864]
- [Dropped support for all cloudabi targets.][78439]
- [You can no longer intercept `panic!` calls by supplying your
  own macro.][78343] It's recommended to use the `#[panic_handler]`
  attribute to provide your own implementation.
- [Semi-colons after item statements (e.g. `struct Foo {};`) now
  produce a warning.][78296]

[74989]: https://github.com/rust-lang/rust/pull/74989
[79261]: https://github.com/rust-lang/rust/pull/79261
[79896]: https://github.com/rust-lang/rust/pull/79896
[79484]: https://github.com/rust-lang/rust/pull/79484
[79472]: https://github.com/rust-lang/rust/pull/79472
[79270]: https://github.com/rust-lang/rust/pull/79270
[79003]: https://github.com/rust-lang/rust/pull/79003
[78864]: https://github.com/rust-lang/rust/pull/78864
[78636]: https://github.com/rust-lang/rust/pull/78636
[78439]: https://github.com/rust-lang/rust/pull/78439
[78343]: https://github.com/rust-lang/rust/pull/78343
[78296]: https://github.com/rust-lang/rust/pull/78296
[78068]: https://github.com/rust-lang/rust/pull/78068
[75752]: https://github.com/rust-lang/rust/pull/75752
[74699]: https://github.com/rust-lang/rust/pull/74699
[78142]: https://github.com/rust-lang/rust/pull/78142
[77484]: https://github.com/rust-lang/rust/pull/77484
[cargo/8976]: https://github.com/rust-lang/cargo/pull/8976
[cargo/8973]: https://github.com/rust-lang/cargo/pull/8973
[cargo/8725]: https://github.com/rust-lang/cargo/pull/8725
[`IpAddr::is_ipv4`]: https://doc.rust-lang.org/stable/std/net/enum.IpAddr.html#method.is_ipv4
[`IpAddr::is_ipv6`]: https://doc.rust-lang.org/stable/std/net/enum.IpAddr.html#method.is_ipv6
[`Layout::align`]: https://doc.rust-lang.org/stable/std/alloc/struct.Layout.html#method.align
[`Layout::from_size_align`]: https://doc.rust-lang.org/stable/std/alloc/struct.Layout.html#method.from_size_align
[`Layout::size`]: https://doc.rust-lang.org/stable/std/alloc/struct.Layout.html#method.size
[`Ord::clamp`]: https://doc.rust-lang.org/stable/std/cmp/trait.Ord.html#method.clamp
[`RefCell::take`]: https://doc.rust-lang.org/stable/std/cell/struct.RefCell.html#method.take
[`UnsafeCell::get_mut`]: https://doc.rust-lang.org/stable/std/cell/struct.UnsafeCell.html#method.get_mut
[`bool::then`]: https://doc.rust-lang.org/stable/std/primitive.bool.html#method.then
[`btree_map::Entry::or_insert_with_key`]: https://doc.rust-lang.org/stable/std/collections/btree_map/enum.Entry.html#method.or_insert_with_key
[`f32::clamp`]: https://doc.rust-lang.org/stable/std/primitive.f32.html#method.clamp
[`f64::clamp`]: https://doc.rust-lang.org/stable/std/primitive.f64.html#method.clamp
[`hash_map::Entry::or_insert_with_key`]: https://doc.rust-lang.org/stable/std/collections/hash_map/enum.Entry.html#method.or_insert_with_key
[`slice::fill`]: https://doc.rust-lang.org/stable/std/primitive.slice.html#method.fill

Revision 1.7 / (download) - annotate - [select for diffs], Fri Nov 13 20:35:58 2020 UTC (3 years ago) by he
Branch: MAIN
CVS Tags: pkgsrc-2021Q1-base, pkgsrc-2021Q1, pkgsrc-2020Q4-base, pkgsrc-2020Q4
Changes since 1.6: +3 -2 lines
Diff to previous 1.6 (colored)

Upgrade rust to version 1.47.0.

Pkgsrc changes:
 * Remove patches now integrated upstream, many related to SunOS / Illumos.
 * The LLVM fix for powerpc is also now integrated upstream.
 * Adapt those patches where the source has moved or parts are integrated.
 * The randomness patches no longer applies, and I could not find
   where those files went...
 * Provide a separate bootstrap for NetBSD/powerpc 9.0, since apparently
   the C++ ABI is different from 8.0.  Yes, this appears to be specific to
   the NetBSD powerpc ports.

Upstream changes:

Version 1.47.0 (2020-10-08)
==========================

Language
--------
- [Closures will now warn when not used.][74869]

Compiler
--------
- [Stabilized the `-C control-flow-guard` codegen option][73893], which enables
  [Control Flow Guard][1.47.0-cfg] for Windows platforms, and is ignored on
  other platforms.
- [Upgraded to LLVM 11.][73526]
- [Added tier 3\* support for the `thumbv4t-none-eabi` target.][74419]
- [Upgrade the FreeBSD toolchain to version 11.4][75204]
- [`RUST_BACKTRACE`'s output is now more compact.][75048]

\* Refer to Rust's [platform support page][forge-platform-support] for more
information on Rust's tiered platform support.

Libraries
---------
- [`CStr` now implements `Index<RangeFrom<usize>>`.][74021]
- [Traits in `std`/`core` are now implemented for arrays of any length, not just
  those of length less than 33.][74060]
- [`ops::RangeFull` and `ops::Range` now implement Default.][73197]
- [`panic::Location` now implements `Copy`, `Clone`, `Eq`, `Hash`, `Ord`,
  `PartialEq`, and `PartialOrd`.][73583]

Stabilized APIs
---------------
- [`Ident::new_raw`]
- [`Range::is_empty`]
- [`RangeInclusive::is_empty`]
- [`Result::as_deref`]
- [`Result::as_deref_mut`]
- [`Vec::leak`]
- [`pointer::offset_from`]
- [`f32::TAU`]
- [`f64::TAU`]

The following previously stable APIs have now been made const.

- [The `new` method for all `NonZero` integers.][73858]
- [The `checked_add`,`checked_sub`,`checked_mul`,`checked_neg`, `checked_shl`,
  `checked_shr`, `saturating_add`, `saturating_sub`, and `saturating_mul`
  methods for all integers.][73858]
- [The `checked_abs`, `saturating_abs`, `saturating_neg`, and `signum`  for all
  signed integers.][73858]
- [The `is_ascii_alphabetic`, `is_ascii_uppercase`, `is_ascii_lowercase`,
  `is_ascii_alphanumeric`, `is_ascii_digit`, `is_ascii_hexdigit`,
  `is_ascii_punctuation`, `is_ascii_graphic`, `is_ascii_whitespace`, and
  `is_ascii_control` methods for `char` and `u8`.][73858]

Cargo
-----
- [`build-dependencies` are now built with opt-level 0 by default.][cargo/8500]
  You can override this by setting the following in your `Cargo.toml`.
  ```toml
  [profile.release.build-override]
  opt-level = 3
  ```
- [`cargo-help` will now display man pages for commands rather just the
  `--help` text.][cargo/8456]
- [`cargo-metadata` now emits a `test` field indicating if a target has
  tests enabled.][cargo/8478]
- [`workspace.default-members` now respects `workspace.exclude`.][cargo/8485]
- [`cargo-publish` will now use an alternative registry by default if it's the
  only registry specified in `package.publish`.][cargo/8571]

Misc
----
- [Added a help button beside Rustdoc's searchbar that explains rustdoc's
  type based search.][75366]
- [Added the Ayu theme to rustdoc.][71237]

Compatibility Notes
-------------------
- [Bumped the minimum supported Emscripten version to 1.39.20.][75716]
- [Fixed a regression parsing `{} && false` in tail expressions.][74650]
- [Added changes to how proc-macros are expanded in `macro_rules!` that should
  help to preserve more span information.][73084] These changes may cause
  compiliation errors if your macro was unhygenic or didn't correctly handle
  `Delimiter::None`.
- [Moved support for the CloudABI target to tier 3.][75568]
- [`linux-gnu` targets now require minimum kernel 2.6.32 and glibc 2.11.][74163]

Internal Only
--------
- [Improved default settings for bootstrapping in `x.py`.][73964]
  You can read details about this change in the ["Changes to `x.py`
  defaults"](https://blog.rust-lang.org/inside-rust/2020/08/30/changes-to-x-py-defaults.html)
  post on the Inside Rust blog.

- [Added the `rustc-docs` component.][75560] This allows you to install
  and read the documentation for the compiler internal APIs. (Currently only
  available for `x86_64-unknown-linux-gnu`.)

[1.47.0-cfg]: https://docs.microsoft.com/en-us/windows/win32/secbp/control-flow-guard
[76980]: https://github.com/rust-lang/rust/issues/76980
[75048]: https://github.com/rust-lang/rust/pull/75048/
[74163]: https://github.com/rust-lang/rust/pull/74163/
[71237]: https://github.com/rust-lang/rust/pull/71237/
[74869]: https://github.com/rust-lang/rust/pull/74869/
[73858]: https://github.com/rust-lang/rust/pull/73858/
[75716]: https://github.com/rust-lang/rust/pull/75716/
[75908]: https://github.com/rust-lang/rust/pull/75908/
[75516]: https://github.com/rust-lang/rust/pull/75516/
[75560]: https://github.com/rust-lang/rust/pull/75560/
[75568]: https://github.com/rust-lang/rust/pull/75568/
[75366]: https://github.com/rust-lang/rust/pull/75366/
[75204]: https://github.com/rust-lang/rust/pull/75204/
[74650]: https://github.com/rust-lang/rust/pull/74650/
[74419]: https://github.com/rust-lang/rust/pull/74419/
[73964]: https://github.com/rust-lang/rust/pull/73964/
[74021]: https://github.com/rust-lang/rust/pull/74021/
[74060]: https://github.com/rust-lang/rust/pull/74060/
[73893]: https://github.com/rust-lang/rust/pull/73893/
[73526]: https://github.com/rust-lang/rust/pull/73526/
[73583]: https://github.com/rust-lang/rust/pull/73583/
[73084]: https://github.com/rust-lang/rust/pull/73084/
[73197]: https://github.com/rust-lang/rust/pull/73197/
[72488]: https://github.com/rust-lang/rust/pull/72488/
[cargo/8456]: https://github.com/rust-lang/cargo/pull/8456/
[cargo/8478]: https://github.com/rust-lang/cargo/pull/8478/
[cargo/8485]: https://github.com/rust-lang/cargo/pull/8485/
[cargo/8500]: https://github.com/rust-lang/cargo/pull/8500/
[cargo/8571]: https://github.com/rust-lang/cargo/pull/8571/
[`Ident::new_raw`]:  https://doc.rust-lang.org/nightly/proc_macro/struct.Ident.html#method.new_raw
[`Range::is_empty`]: https://doc.rust-lang.org/nightly/std/ops/struct.Range.html#method.is_empty
[`RangeInclusive::is_empty`]: https://doc.rust-lang.org/nightly/std/ops/struct.RangeInclusive.html#method.is_empty
[`Result::as_deref_mut`]: https://doc.rust-lang.org/nightly/std/result/enum.Result.html#method.as_deref_mut
[`Result::as_deref`]: https://doc.rust-lang.org/nightly/std/result/enum.Result.html#method.as_deref
[`TypeId::of`]: https://doc.rust-lang.org/nightly/std/any/struct.TypeId.html#method.of
[`Vec::leak`]: https://doc.rust-lang.org/nightly/std/vec/struct.Vec.html#method.leak
[`f32::TAU`]: https://doc.rust-lang.org/nightly/std/f32/consts/constant.TAU.html
[`f64::TAU`]: https://doc.rust-lang.org/nightly/std/f64/consts/constant.TAU.html
[`pointer::offset_from`]: https://doc.rust-lang.org/nightly/std/primitive.pointer.html#method.offset_from

Revision 1.6 / (download) - annotate - [select for diffs], Wed Jul 8 14:46:14 2020 UTC (3 years, 5 months ago) by jperkin
Branch: MAIN
CVS Tags: pkgsrc-2020Q3-base, pkgsrc-2020Q3
Changes since 1.5: +1 -2 lines
Diff to previous 1.5 (colored)

rust: Add support for cross-compiling illumos.

It's not really cross-compiled, it's just a different target name, but is
treated the same way.  Once stabilised and crate support catches up we'll
switch over to it by default from x86_64-sun-solaris.  Until then I'll
build bootstrap kits for both natively.

While here fix up a bunch of obvious pkglint warnings.

Revision 1.5 / (download) - annotate - [select for diffs], Sun Jun 14 15:38:18 2020 UTC (3 years, 5 months ago) by nia
Branch: MAIN
CVS Tags: pkgsrc-2020Q2-base, pkgsrc-2020Q2
Changes since 1.4: +5 -8 lines
Diff to previous 1.4 (colored)

rust: More rust.mk explanation.

Revision 1.4 / (download) - annotate - [select for diffs], Mon May 18 16:17:20 2020 UTC (3 years, 6 months ago) by nia
Branch: MAIN
Changes since 1.3: +7 -1 lines
Diff to previous 1.3 (colored)

lang: Add rust-bin.

Dumb package that selects and installs a binary rust distribution
based on its guess of your platform (FreeBSD, NetBSD, Linux x86_64 are
all supported). These binaries are the official ones provided by
rust upstream and are the same as those provided by the `rustup` tool.

You can choose to use a binary rust distribution by setting:
RUST_TYPE=bin in mk.conf
(or source distribution with RUST_TYPE=src).

Currently, RUST_TYPE=bin by default ONLY for NetBSD-x86_64. This is
because TNF has been shown to _repeatedly_ be unable and _unwilling_ to
ensure that rust-dependent packages build properly on their
infrastructure, and NetBSD users are all suffering for it.

This was based on minskim's work in pkgsrc-wip.

It was tested by building librsvg and firefox-esr with the resulting
binaries.

Revision 1.3 / (download) - annotate - [select for diffs], Sat Sep 30 04:42:43 2017 UTC (6 years, 2 months ago) by ryoon
Branch: MAIN
CVS Tags: pkgsrc-2020Q1-base, pkgsrc-2020Q1, pkgsrc-2019Q4-base, pkgsrc-2019Q4, pkgsrc-2019Q3-base, pkgsrc-2019Q3, pkgsrc-2019Q2-base, pkgsrc-2019Q2, pkgsrc-2019Q1-base, pkgsrc-2019Q1, pkgsrc-2018Q4-base, pkgsrc-2018Q4, pkgsrc-2018Q3-base, pkgsrc-2018Q3, pkgsrc-2018Q2-base, pkgsrc-2018Q2, pkgsrc-2018Q1-base, pkgsrc-2018Q1, pkgsrc-2017Q4-base, pkgsrc-2017Q4
Changes since 1.2: +2 -2 lines
Diff to previous 1.2 (colored)

Update to 1.20.0

* Disable SunOS/Solaris support because newer bootstrap is not available
* Include Rust libraries and Cargo

Changelog:
Version 1.20.0 (2017-08-31)
Language

    Associated constants are now stabilised.
    A lot of macro bugs are now fixed.

Compiler

    Struct fields are now properly coerced to the expected field type.
    Enabled wasm LLVM backend WASM can now be built with the wasm32-experimental-emscripten target.
    Changed some of the error messages to be more helpful.
    Add support for RELRO(RELocation Read-Only) for platforms that support it.
    rustc now reports the total number of errors on compilation failure previously this was only the number of errors in the pass that failed.
    Expansion in rustc has been sped up 29x.
    added msp430-none-elf target.
    rustc will now suggest one-argument enum variant to fix type mismatch when applicable
    Fixes backtraces on Redox
    rustc now identifies different versions of same crate when absolute paths of different types match in an error message.

Libraries

    Relaxed Debug constraints on {HashMap,BTreeMap}::{Keys,Values}.
    Impl PartialEq, Eq, PartialOrd, Ord, Debug, Hash for unsized tuples.
    Impl fmt::{Display, Debug} for Ref, RefMut, MutexGuard, RwLockReadGuard, RwLockWriteGuard
    Impl Clone for DefaultHasher.
    Impl Sync for SyncSender.
    Impl FromStr for char
    Fixed how {f32, f64}::{is_sign_negative, is_sign_positive} handles NaN.
    allow messages in the unimplemented!() macro. ie. unimplemented!("Waiting for 1.21 to be stable")
    pub(restricted) is now supported in the thread_local! macro.
    Upgrade to Unicode 10.0.0
    Reimplemented {f32, f64}::{min, max} in Rust instead of using CMath.
    Skip the main thread's manual stack guard on Linux
    Iterator::nth for ops::{Range, RangeFrom} is now done in O(1) time
    #[repr(align(N))] attribute max number is now 2^31 - 1. This was previously 2^15.
    {OsStr, Path}::Display now avoids allocations where possible

Stabilized APIs

    CStr::into_c_string
    CString::as_c_str
    CString::into_boxed_c_str
    Chain::get_mut
    Chain::get_ref
    Chain::into_inner
    Option::get_or_insert_with
    Option::get_or_insert
    OsStr::into_os_string
    OsString::into_boxed_os_str
    Take::get_mut
    Take::get_ref
    Utf8Error::error_len
    char::EscapeDebug
    char::escape_debug
    compile_error!
    f32::from_bits
    f32::to_bits
    f64::from_bits
    f64::to_bits
    mem::ManuallyDrop
    slice::sort_unstable_by_key
    slice::sort_unstable_by
    slice::sort_unstable
    str::from_boxed_utf8_unchecked
    str::as_bytes_mut
    str::as_bytes_mut
    str::from_utf8_mut
    str::from_utf8_unchecked_mut
    str::get_mut
    str::get_unchecked_mut
    str::get_unchecked
    str::get
    str::into_boxed_bytes

Cargo

    Cargo API token location moved from ~/.cargo/config to ~/.cargo/credentials.
    Cargo will now build main.rs binaries that are in sub-directories of src/bin. ie. Having src/bin/server/main.rs and src/bin/client/main.rs generates target/debug/server and target/debug/client
    You can now specify version of a binary when installed through cargo install using --vers.
    Added --no-fail-fast flag to cargo to run all benchmarks regardless of failure.
    Changed the convention around which file is the crate root.
    The include/exclude property in Cargo.toml now accepts gitignore paths instead of glob patterns. Glob patterns are now deprecated.

Compatibility Notes

    Functions with 'static in their return types will now not be as usable as if they were using lifetime parameters instead.
    The reimplementation of {f32, f64}::is_sign_{negative, positive} now takes the sign of NaN into account where previously didn't.

Version 1.19.0 (2017-07-20)
Language

    Numeric fields can now be used for creating tuple structs. RFC 1506 For example struct Point(u32, u32); let x = Point { 0: 7, 1: 0 };.
    Macro recursion limit increased to 1024 from 64.
    Added lint for detecting unused macros.
    loop can now return a value with break. RFC 1624 For example: let x = loop { break 7; };
    C compatible unions are now available. RFC 1444 They can only contain Copy types and cannot have a Drop implementation. Example: union Foo { bar: u8, baz: usize }
    Non capturing closures can now be coerced into fns, RFC 1558 Example: let foo: fn(u8) -> u8 = |v: u8| { v };

Compiler

    Add support for bootstrapping the Rust compiler toolchain on Android.
    Change arm-linux-androideabi to correspond to the armeabi official ABI. If you wish to continue targeting the armeabi-v7a ABI you should use --target armv7-linux-androideabi.
    Fixed ICE when removing a source file between compilation sessions.
    Minor optimisation of string operations.
    Compiler error message is now aborting due to previous error(s) instead of aborting due to N previous errors This was previously inaccurate and would only count certain kinds of errors.
    The compiler now supports Visual Studio 2017
    The compiler is now built against LLVM 4.0.1 by default
    Added a lot of new error codes
    Added target-feature=+crt-static option RFC 1721 Which allows libraries with C Run-time Libraries(CRT) to be statically linked.
    Fixed various ARM codegen bugs

Libraries

    String now implements FromIterator<Cow<'a, str>> and Extend<Cow<'a, str>>
    Vec now implements From<&mut [T]>
    Box<[u8]> now implements From<Box<str>>
    SplitWhitespace now implements Clone
    [u8]::reverse is now 5x faster and [u16]::reverse is now 1.5x faster
    eprint! and eprintln! macros added to prelude. Same as the print! macros, but for printing to stderr.

Stabilized APIs

    OsString::shrink_to_fit
    cmp::Reverse
    Command::envs
    thread::ThreadId

Cargo

    Build scripts can now add environment variables to the environment the crate is being compiled in. Example: println!("cargo:rustc-env=FOO=bar");
    Subcommands now replace the current process rather than spawning a new child process
    Workspace members can now accept glob file patterns
    Added --all flag to the cargo bench subcommand to run benchmarks of all the members in a given workspace.
    Updated libssh2-sys to 0.2.6
    Target directory path is now in the cargmetadata
    Cargo no longer checks out a local working directory for the crates.io index This should provide smaller file size for the registry, and improve cloning times, especially on Windows machines.
    Added an --exclude option for excluding certai using the --all option
    Cargo will now automatically retry when receiving a 5xx error from crates.io
    The --features option now accepts multiple comma or space delimited values.
    Added support for custom target specific runners

Misc

    Added ow prefer to download rust packages with XZ compression over GZip packages.
    Added the ability to escape # in rust documentation By adding additional #'s ie. ## is now #

Compatibility Notes

    MutexGuard<T> may only be Sync if T is Sync.
    -Z flagning for a year previous to this.
    As a result of the -Z flag change, the cargo-check plugin no longer works. Users should migrate to the built-in check command, which has been available since 1.16.
    Ending a float literal with ._ is now a hard erro  use ::self::foo; is now a hard error. self paths are always relative while the :: prefix makes a path absolute, but was ignored and the path was relative regardless.
    Floating point constants in match patterns is now a hard error This was previously ts that don't derive PartialEq & Eq used match patterns is now a hard error This was previously a warning.
    Lifetimes named '_ are no longer allowed. This was previously a warning.
    From the pound escape, lines consisting of multiple #s are now visible
    It is an error to reexport private enum variants. This is known to break a number of crates that depend on an older version of mustache.
    On Windows, if VCINSTALLDIR is set incorrectly, rustc will try to use it to find the linker, and the build will fail where it did not previously

Version 1.18.0 (2017-06-08)
Language

    Stabilize pub(restricted) pub can now accept a module path to make the item visible to just that module tree. Also accepts the keyword crate to make something public to the whole crate but not users of the library. Example: pub(crate) mod utils;. RFC 1422.
    Stabilize #![windows_subsystem] attribute conservative exposure of the /SUBSYSTEM linker flag on Windows platforms. RFC 1665.
    Refactor of trait object type parsing Now ty in macros can accept types like Write + Send, trailing + are now supported in trait objects, and better error reporting for trait objects starting with ?Sized.
    0e+10 is now a valid floating point literal
    Now warns if you bind a lifetime parameter to 'static
    Tuples, Enum variant fields, and structs with no repr attribute or with #[repr(Rust)] are reordered to minimize padding and produce a smaller representation in some cases.

Compiler

    rustc can now emit mir with --emit mir
    Improved LLVM IR for trivial functions
    Added explanation for E0090(Wrong number of lifetimes are supplied)
    rustc compilation is now 15%-20% faster Thanks to optimisation opportunities found through profiling
    Improved backtrace formatting when panicking

Libraries

    Specialized Vec::from_iter being passed vec::IntoIter if the iterator hasn't been advanced the original Vec is reassembled with no actual iteration or reallocation.
    Simplified HashMap Bucket interface provides performance improvements for iterating and cloning.
    Specialize Vec::from_elem to use calloc
    Fixed Race condition in fs::create_dir_all
    No longer caching stdio on Windows
    Optimized insertion sort in slice insertion sort in some cases 2.50%~ faster and in one case now 12.50% faster.
    Optimized AtomicBool::fetch_nand

Stabilized APIs

    Child::try_wait
    HashMap::retain
    HashSet::retain
    PeekMut::pop
    TcpStream::peek
    UdpSocket::peek
    UdpSocket::peek_from

Cargo

    Added partial Pijul support Pijul is a version control system in Rust. You can now create new cargo projects with Pijul using cargo new --vcs pijul
    Now always emits build script warnings for crates that fail to build
    Added Android build support
    Added --bins and --tests flags now you can build all programs of a certain type, for example cargo build --bins will build all binaries.
    Added support for haiku

Misc

    rustdoc can now use pulldown-cmark with the --enable-commonmark flag
    Added rust-winbg script for better debugging on Windows
    Rust now uses the official cross compiler for NetBSD
    rustdoc now accepts # at the start of files
    Fixed jemalloc support for musl

Compatibility Notes

    Changes to how the 0 flag works in format! Padding zeroes are now always placed after the sign if it exists and before the digits. With the # flag the zeroes are placed after the prefix and before the digits.

    Due to the struct field optimisation, using transmute on structs that have no repr attribute or #[repr(Rust)] will no longer work. This has always been undefined behavior, but is now more likely to break in practice.

    The refactor of trait object type parsing fixed a bug where + was receiving the wrong priority parsing things like &for<'a> Tr<'a> + Send as &(for<'a> Tr<'a> + Send) instead of (&for<'a> Tr<'a>) + Send

    Overlapping inherent impls are now a hard error

    PartialOrd and Ord must agree on the ordering.

    rustc main.rs -o out --emit=asm,llvm-ir Now will output out.asm and out.ll instead of only one of the filetypes.

    calling a function that returns Self will no longer work when the size of Self cannot be statically determined.

    rustc now builds with a "pthreads" flavour of MinGW for Windows GNU this has caused a few regressions namely:
        Changed the link order of local static/dynamic libraries (respecting the order on given rather than having the compiler reorder).
        Changed how MinGW is linked, native code linked to dynamic libraries may require manually linking to the gcc support library (for the native code itself)

Version 1.17.0 (2017-04-27)
Language

    The lifetime of statics and consts defaults to 'static. RFC 1623
    Fields of structs may be initialized without duplicating the field/variable names. RFC 1682
    Self may be included in the where clause of impls. RFC 1647
    When coercing to an unsized type lifetimes must be equal. That is, there is no subtyping between T and U when T: Unsize<U>. For example, coercing &mut [&'a X; N] to &mut [&'b X] requires 'a be equal to 'b. Soundness fix.
    Values passed to the indexing operator, [], automatically coerce
    Static variables may contain references to other statics

Compiler

    Exit quickly on only --emit dep-info
    Make -C relocation-model more correctly determine whether the linker creates a position-independent executable
    Add -C overflow-checks to directly control whether integer overflow panics
    The rustc type checker now checks items on demand instead of in a single in-order pass. This is mostly an internal refactoring in support of future work, including incremental type checking, but also resolves RFC 1647, allowing Self to appear in impl where clauses.
    Optimize vtable loads
    Turn off vectorization for Emscripten targets
    Provide suggestions for unknown macros imported with use
    Fix ICEs in path resolution
    Strip exception handling code on Emscripten when panic=abort
    Add clearer error message using &str + &str

Stabilized APIs

    Arc::into_raw
    Arc::from_raw
    Arc::ptr_eq
    Rc::into_raw
    Rc::from_raw
    Rc::ptr_eq
    Ordering::then
    Ordering::then_with
    BTreeMap::range
    BTreeMap::range_mut
    collections::Bound
    process::abort
    ptr::read_unaligned
    ptr::write_unaligned
    Result::expect_err
    Cell::swap
    Cell::replace
    Cell::into_inner
    Cell::take

Libraries

    BTreeMap and BTreeSet can iterate over ranges
    Cell can store non-Copy types. RFC 1651
    String implements FromIterator<&char>
    Box implements a number of new conversions: From<Box<str>> for String, From<Box<[T]>> for Vec<T>, From<Box<CStr>> for CString, From<Box<OsStr>> for OsString, From<Box<Path>> for PathBuf, Into<Box<str>> for String, Into<Box<[T]>> for Vec<T>, Into<Box<CStr>> for CString, Into<Box<OsStr>> for OsString, Into<Box<Path>> for PathBuf, Default for Box<str>, Default for Box<CStr>, Default for Box<OsStr>, From<&CStr> for Box<CStr>, From<&OsStr> for Box<OsStr>, From<&Path> for Box<Path>
    ffi::FromBytesWithNulError implements Error and Display
    Specialize PartialOrd<A> for [A] where A: Ord
    Slightly optimize slice::sort
    Add ToString trait specialization for Cow<'a, str> and String
    Box<[T]> implements From<&[T]> where T: Copy, Box<str> implements From<&str>
    IpAddr implements From for various arrays. SocketAddr implements From<(I, u16)> where I: Into<IpAddr>
    format! estimates the needed capacity before writing a string
    Support unprivileged symlink creation in Windows
    PathBuf implements Default
    Implement PartialEq<[A]> for VecDeque<A>
    HashMap resizes adaptively to guard against DOS attacks and poor hash functions.

Cargo

    Add cargo check --all
    Add an option to ignore SSL revocation checking
    Add cargo run --package
    Add required_features
    Assume build.rs is a build script
    Find workspace via workspace_root link in containing member

Misc

    Documentation is rendered with mdbook instead of the obsolete, in-tree rustbook
    The "Unstable Book" documents nightly-only features
    Improve the style of the sidebar in rustdoc output
    Configure build correctly on 64-bit CPU's with the armhf ABI
    Fix MSP430 breakage due to i128
    Preliminary Solaris/SPARCv9 support
    rustc is linked statically on Windows MSVC targets, allowing it to run without installing the MSVC runtime.
    rustdoc --test includes file names in test names
    This release includes builds of std for sparc64-unknown-linux-gnu, aarch64-unknown-linux-fuchsia, and x86_64-unknown-linux-fuchsia.
    Initial support for aarch64-unknown-freebsd
    Initial support for i686-unknown-netbsd
    This release no longer includes the old makefile build system. Rust is built with a custom build system, written in Rust, and with Cargo.
    Add Debug implementations for libcollection structs
    TypeId implements PartialOrd and Ord
    --test-threads=0 produces an error
    rustup installs documentation by default
    The Rust source includes NatVis visualizations. These can be used by WinDbg and Visual Studio to improve the debugging experience.

Compatibility Notes

    Rust 1.17 does not correctly detect the MSVC 2017 linker. As a workaround, either use MSVC 2015 or run vcvars.bat.
    When coercing to an unsized type lifetimes must be equal. That is, disallow subtyping between T and U when T: Unsize<U>, e.g. coercing &mut [&'a X; N] to &mut [&'b X] requires 'a be equal to 'b. Soundness fix.
    format! and Display::to_string panic if an underlying formatting implementation returns an error. Previously the error was silently ignored. It is incorrect for write_fmt to return an error when writing to a string.
    In-tree crates are verified to be unstable. Previously, some minor crates were marked stable and could be accessed from the stable toolchain.
    Rust git source no longer includes vendored crates. Those that need to build with vendored crates should build from release tarballs.
    Fix inert attributes from proc_macro_derives
    During crate resolution, rustc prefers a crate in the sysroot if two crates are otherwise identical. Unlikely to be encountered outside the Rust build system.
    Fixed bugs around how type inference interacts with dead-code. The existing code generally ignores the type of dead-code unless a type-hint is provided; this can cause surprising inference interactions particularly around defaulting. The new code uniformly ignores the result type of dead-code.
    Tuple-struct constructors with private fields are no longer visible
    Lifetime parameters that do not appear in the arguments are now considered early-bound, resolving a soundness bug (#32330). The hr_lifetime_in_assoc_type future-compatibility lint has been in effect since April of 2016.
    rustdoc: fix doctests with non-feature crate attributes
    Make transmuting from fn item types to pointer-sized types a hard error

Revision 1.2 / (download) - annotate - [select for diffs], Thu Feb 23 09:35:16 2017 UTC (6 years, 9 months ago) by jperkin
Branch: MAIN
CVS Tags: pkgsrc-2017Q3-base, pkgsrc-2017Q3, pkgsrc-2017Q2-base, pkgsrc-2017Q2, pkgsrc-2017Q1-base, pkgsrc-2017Q1
Changes since 1.1: +2 -2 lines
Diff to previous 1.1 (colored)

Update lang/rust to 1.15.1.  Changes since 1.11.0 are too numerous to
list, but can be found here:

	https://github.com/rust-lang/rust/blob/master/RELEASES.md

Add a stage0-bootstrap target to simplify generation of bootstrap kits
for platforms which are not supported upstream (primarily SmartOS).

Revision 1.1 / (download) - annotate - [select for diffs], Tue Sep 6 10:36:49 2016 UTC (7 years, 3 months ago) by jperkin
Branch: MAIN
CVS Tags: pkgsrc-2016Q4-base, pkgsrc-2016Q4, pkgsrc-2016Q3-base, pkgsrc-2016Q3

Import rust 1.11.0 as lang/rust into pkgsrc.

pkgsrc notes:

  * The build requires binary bootstraps built by the Rust team.  Due
    to the requirement that only the previous version is supported as
    a bootstrap compiler, and new versions of Rust are released every
    6 weeks, it is unlikely to be practical to build TNF bootstraps.
    Users should evaluate whether they trust binaries from upstream.

  * There is currently no SunOS bootstrap provided by the Rust team,
    so for now a version built by myself is provided by Joyent.

  * Only Darwin/Linux/SunOS are currently supported.  The Rust team do
    provide NetBSD bootstraps so support should be easy enough to add.

Information about Rust from the DESCR:

Rust is a systems programming language focused on three goals: safety,
speed, and concurrency.  It maintains these goals without having a
garbage collector, making it a useful language for a number of use cases
other languages aren't good at: embedding in other languages, programs
with specific space and time requirements, and writing low-level code,
like device drivers and operating systems.

It improves on current languages targeting this space by having a number
of compile-time safety checks that produce no runtime overhead, while
eliminating all data races.  Rust also aims to achieve "zero-cost
abstractions" even though some of these abstractions feel like those of
a high-level language.  Even then, Rust still allows precise control
like a low-level language would.

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