Accepting request 862664 from home:manfred-h:devel:languages:rust:rust-1.49

FWIW, I've now used rust-1.49.0 successfully to build both MozillaFirefox-84.0.2 and firefox-esr-78.6.1!
FWIW2, I raised the memory constraints for x86_64 from 8 to 11G, because otherwise a build got killed due to OOM too often.

This SR contains everything which got accepted for 1.48 just recently.

- Update to version 1.49.0
  + Language
  - Unions can now implement Drop, and you can now have a field in
    a union with ManuallyDrop<T>.
  - You can now cast uninhabited enums to integers.
  - You can now bind by reference and by move in patterns. This
    allows you to selectively borrow individual components of a type.
    E.g.

    #[derive(Debug)]
    struct Person {
        name: String,
        age: u8,
    }

    let person = Person {
        name: String::from("Alice"),
        age: 20,
    };

    // `name` is moved out of person, but `age` is referenced.
    let Person { name, ref age } = person;
    println!("{} {}", name, age);
  + Compiler
  - Added tier 1* support for aarch64-unknown-linux-gnu.
  - Added tier 2 support for aarch64-apple-darwin.
  - Added tier 2 support for aarch64-pc-windows-msvc.
  - Added tier 3 support for mipsel-unknown-none.
  - Raised the minimum supported LLVM version to LLVM 9.
  - Output from threads spawned in tests is now captured.
  - Change os and vendor values to "none" and "unknown" for some targets
  * Refer to Rust's platform support page for more information on Rust's
    tiered platform support.
  + Libraries
  - RangeInclusive now checks for exhaustion when calling contains and
    indexing.
  - ToString::to_string now no longer shrinks the internal buffer in
    the default implementation.
  - ops::{Index, IndexMut} are now implemented for fixed sized arrays
    of any length.
  + Stabilized APIs
  - slice::select_nth_unstable
  - slice::select_nth_unstable_by
  - slice::select_nth_unstable_by_key
  The following previously stable methods are now const.
  - Poll::is_ready
  - Poll::is_pending
  + Cargo
  - Building a crate with cargo-package should now be independently
    reproducible.
  - cargo-tree now marks proc-macro crates.
  - Added CARGO_PRIMARY_PACKAGE build-time environment variable. This
    variable will be set if the crate being built is one the user
    selected to build, either with -p or through defaults.
  - You can now use glob patterns when specifying packages & targets.
  + Compatibility Notes
  - Demoted i686-unknown-freebsd from host tier 2 to target tier 2
    support.
  - Macros that end with a semi-colon are now treated as statements
    even if they expand to nothing.
  - Rustc will now check for the validity of some built-in attributes
    on enum variants. Previously such invalid or unused attributes
    could be ignored.
  - Leading whitespace is stripped more uniformly in documentation
    comments, which may change behavior. You read this post about
    the changes for more details.
  - Trait bounds are no longer inferred for associated types.
  + Internal Only
  These changes provide no direct user facing benefits, but
  represent significant improvements to the internals and overall
  performance of rustc and related tools.
  - rustc's internal crates are now compiled using the initial-exec
    Thread Local Storage model.
  - Calculate visibilities once in resolve.
  - Added system to the llvm-libunwind bootstrap config option.
  - Added --color for configuring terminal color support to bootstrap.
- Rebased patches:
  + ignore-Wstring-conversion.patch (location)

OBS-URL: https://build.opensuse.org/request/show/862664
OBS-URL: https://build.opensuse.org/package/show/devel:languages:rust/rust?expand=0&rev=275

_constraints

@@ -31,7 +31,7 @@
     </conditions>
     <hardware>
       <physicalmemory>
-        <size unit="G">8</size>
+        <size unit="G">11</size>
       </physicalmemory>
     </hardware>
   </overwrite>

ignore-Wstring-conversion.patch

@@ -1,7 +1,7 @@
-Index: rustc-1.48.0-src/compiler/rustc_llvm/build.rs
+Index: rustc-1.49.0-src/compiler/rustc_llvm/build.rs
 ===================================================================
---- rustc-1.48.0-src.orig/compiler/rustc_llvm/build.rs
-+++ rustc-1.48.0-src/compiler/rustc_llvm/build.rs
+--- rustc-1.49.0-src.orig/compiler/rustc_llvm/build.rs
++++ rustc-1.49.0-src/compiler/rustc_llvm/build.rs
 @@ -157,6 +157,12 @@ fn main() {
              continue;
          }

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rust.changes

@@ -4,20 +4,102 @@ Sun Jan 10 13:15:07 UTC 2021 - Neal Gompa <ngompa13@gmail.com>
 - Add riscv64 build
 
 -------------------------------------------------------------------
-Sat Jan  9 18:34:41 UTC 2021 - Manfred Hollstein <manfred.h@gmx.net>
+Sat Jan  9 16:50:11 UTC 2021 - Manfred Hollstein <manfred.h@gmx.net>
 
 - <https://github.com/rust-lang/rust/issues/74976>: Add "--stage 1"
   to the "./x.py doc" call to ensure the newly built compiler gets
   used.
 
 -------------------------------------------------------------------
-Sat Jan  9 09:25:07 UTC 2021 - Manfred Hollstein <manfred.h@gmx.net>
+Sat Jan  9 09:26:51 UTC 2021 - Manfred Hollstein <manfred.h@gmx.net>
 
 - Leap 15.3 does not provide a suitable llvm-devel package, hence
   explicitly require llvm9-devel. Details can be seen in the following
   e-mail thread
   <https://lists.opensuse.org/archives/list/factory@lists.opensuse.org/thread/ZQWAMG2VYBSI2BFM7G3H5YG26ALXWAOA/>
 
+-------------------------------------------------------------------
+Sun Jan  3 11:33:37 UTC 2021 - Manfred Hollstein <manfred.h@gmx.net>
+
+- Update to version 1.49.0
+  + Language
+  - Unions can now implement Drop, and you can now have a field in
+    a union with ManuallyDrop<T>.
+  - You can now cast uninhabited enums to integers.
+  - You can now bind by reference and by move in patterns. This
+    allows you to selectively borrow individual components of a type.
+    E.g.
+
+    #[derive(Debug)]
+    struct Person {
+        name: String,
+        age: u8,
+    }
+
+    let person = Person {
+        name: String::from("Alice"),
+        age: 20,
+    };
+
+    // `name` is moved out of person, but `age` is referenced.
+    let Person { name, ref age } = person;
+    println!("{} {}", name, age);
+  + Compiler
+  - Added tier 1* support for aarch64-unknown-linux-gnu.
+  - Added tier 2 support for aarch64-apple-darwin.
+  - Added tier 2 support for aarch64-pc-windows-msvc.
+  - Added tier 3 support for mipsel-unknown-none.
+  - Raised the minimum supported LLVM version to LLVM 9.
+  - Output from threads spawned in tests is now captured.
+  - Change os and vendor values to "none" and "unknown" for some targets
+  * Refer to Rust's platform support page for more information on Rust's
+    tiered platform support.
+  + Libraries
+  - RangeInclusive now checks for exhaustion when calling contains and
+    indexing.
+  - ToString::to_string now no longer shrinks the internal buffer in
+    the default implementation.
+  - ops::{Index, IndexMut} are now implemented for fixed sized arrays
+    of any length.
+  + Stabilized APIs
+  - slice::select_nth_unstable
+  - slice::select_nth_unstable_by
+  - slice::select_nth_unstable_by_key
+  The following previously stable methods are now const.
+  - Poll::is_ready
+  - Poll::is_pending
+  + Cargo
+  - Building a crate with cargo-package should now be independently
+    reproducible.
+  - cargo-tree now marks proc-macro crates.
+  - Added CARGO_PRIMARY_PACKAGE build-time environment variable. This
+    variable will be set if the crate being built is one the user
+    selected to build, either with -p or through defaults.
+  - You can now use glob patterns when specifying packages & targets.
+  + Compatibility Notes
+  - Demoted i686-unknown-freebsd from host tier 2 to target tier 2
+    support.
+  - Macros that end with a semi-colon are now treated as statements
+    even if they expand to nothing.
+  - Rustc will now check for the validity of some built-in attributes
+    on enum variants. Previously such invalid or unused attributes
+    could be ignored.
+  - Leading whitespace is stripped more uniformly in documentation
+    comments, which may change behavior. You read this post about
+    the changes for more details.
+  - Trait bounds are no longer inferred for associated types.
+  + Internal Only
+  These changes provide no direct user facing benefits, but
+  represent significant improvements to the internals and overall
+  performance of rustc and related tools.
+  - rustc's internal crates are now compiled using the initial-exec
+    Thread Local Storage model.
+  - Calculate visibilities once in resolve.
+  - Added system to the llvm-libunwind bootstrap config option.
+  - Added --color for configuring terminal color support to bootstrap.
+- Rebased patches:
+  + ignore-Wstring-conversion.patch (location)
+
 -------------------------------------------------------------------
 Sun Jan  3 11:27:23 UTC 2021 - Manfred Hollstein <manfred.h@gmx.net>
 

rust.spec

@@ -17,12 +17,12 @@
 #
 
 
-%global version_current 1.48.0
-%global version_previous 1.47.0
-%global version_bootstrap 1.47.0
+%global version_current 1.49.0
+%global version_previous 1.48.0
+%global version_bootstrap 1.48.0
 
 # some sub-packages are versioned independently
-%global rustfmt_version 1.4.24
+%global rustfmt_version 1.4.25
 %global clippy_version 0.0.212
 
 # Build the rust target triple.
@@ -188,7 +188,7 @@ BuildRequires:  pkgconfig(libssh2) >= 1.6.0
 %if 0%{?suse_version} < 1550
 BuildRequires:  llvm9-devel
 %else
-BuildRequires:  llvm-devel >= 9.0
+BuildRequires:  llvm-devel >= 8.0
 %endif
 %endif
 %if !%with rust_bootstrap

rustc-1.48.0-src.tar.xz

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ff0a242392a1865d7b2d08eb5ca6c1b3fd0820741d4c13a51a4b2d5d2bb53908
-size 105951736

rustc-1.49.0-src.tar.xz

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ebe910edc824a0a037a10be443446a0511923ba8342fa3c331ec8a22481d5d15
+size 108330280