Merge pull request #552 from rust-lang/cargo/0.4.18

Prepare for 0.4.19 release

Author: KodrAus

.github/workflows/main.yml

@@ -127,8 +127,8 @@ jobs:
       - uses: actions/checkout@master
       - name: Install Rust
         run: |
-          rustup update 1.31.0 --no-self-update
-          rustup default 1.31.0
+          rustup update 1.60.0 --no-self-update
+          rustup default 1.60.0
       - run: cargo test --verbose --manifest-path tests/Cargo.toml
 
   embedded:

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 ## [Unreleased]
 
+## [0.4.19] - 2023-06-10
+
+* Use target_has_atomic instead of the old atomic_cas cfg by @GuillaumeGomez in https://github.com/rust-lang/log/pull/555
+* Put MSRV into Cargo.toml by @est31 in https://github.com/rust-lang/log/pull/557
+
 ## [0.4.18] - 2023-05-28
 
 * fix markdown links (again) by @hellow554 in https://github.com/rust-lang/log/pull/513
@@ -14,7 +19,6 @@
 * GitHub Workflows security hardening by @sashashura in https://github.com/rust-lang/log/pull/538
 * Fix build status badge by @atouchet in https://github.com/rust-lang/log/pull/539
 * Add call_logger to the documentation by @a1ecbr0wn in https://github.com/rust-lang/log/pull/547
-* Remove build.rs file by @GuillaumeGomez in https://github.com/rust-lang/log/pull/543
 * Use stable internals for key-value API by @KodrAus in https://github.com/rust-lang/log/pull/550
 * Change wording of list of implementations by @Thomasdezeeuw in https://github.com/rust-lang/log/pull/553
 * Add std-logger to list of implementations by @Thomasdezeeuw in https://github.com/rust-lang/log/pull/554
@@ -239,7 +243,9 @@ version using log 0.4.x to avoid losing module and file information.
 
 Look at the [release tags] for information about older releases.
 
-[Unreleased]: https://github.com/rust-lang-nursery/log/compare/0.4.17...HEAD
+[Unreleased]: https://github.com/rust-lang-nursery/log/compare/0.4.18...HEAD
+[0.4.19]: https://github.com/rust-lang-nursery/log/compare/0.4.18...0.4.19
+[0.4.18]: https://github.com/rust-lang-nursery/log/compare/0.4.17...0.4.18
 [0.4.17]: https://github.com/rust-lang-nursery/log/compare/0.4.16...0.4.17
 [0.4.16]: https://github.com/rust-lang-nursery/log/compare/0.4.15...0.4.16
 [0.4.15]: https://github.com/rust-lang-nursery/log/compare/0.4.13...0.4.15

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 
 name = "log"
-version = "0.4.18" # remember to update html_root_url
+version = "0.4.19" # remember to update html_root_url
 authors = ["The Rust Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -13,7 +13,7 @@ A lightweight logging facade for Rust
 categories = ["development-tools::debugging"]
 keywords = ["logging"]
 exclude = ["rfcs/**/*"]
-build = "build.rs"
+rust-version = "1.60.0"
 
 [package.metadata.docs.rs]
 features = ["std", "serde", "kv_unstable_std", "kv_unstable_sval", "kv_unstable_serde"]

build.rs

@@ -319,7 +319,7 @@
 #![doc(
     html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
     html_favicon_url = "https://www.rust-lang.org/favicon.ico",
-    html_root_url = "https://docs.rs/log/0.4.18"
+    html_root_url = "https://docs.rs/log/0.4.19"
 )]
 #![warn(missing_docs)]
 #![deny(missing_debug_implementations, unconditional_recursion)]
@@ -346,20 +346,20 @@ mod serde;
 #[cfg(feature = "kv_unstable")]
 pub mod kv;
 
-#[cfg(has_atomics)]
+#[cfg(target_has_atomic = "ptr")]
 use std::sync::atomic::{AtomicUsize, Ordering};
 
-#[cfg(not(has_atomics))]
+#[cfg(not(target_has_atomic = "ptr"))]
 use std::cell::Cell;
-#[cfg(not(has_atomics))]
+#[cfg(not(target_has_atomic = "ptr"))]
 use std::sync::atomic::Ordering;
 
-#[cfg(not(has_atomics))]
+#[cfg(not(target_has_atomic = "ptr"))]
 struct AtomicUsize {
     v: Cell<usize>,
 }
 
-#[cfg(not(has_atomics))]
+#[cfg(not(target_has_atomic = "ptr"))]
 impl AtomicUsize {
     const fn new(v: usize) -> AtomicUsize {
         AtomicUsize { v: Cell::new(v) }
@@ -373,7 +373,7 @@ impl AtomicUsize {
         self.v.set(val)
     }
 
-    #[cfg(atomic_cas)]
+    #[cfg(target_has_atomic = "ptr")]
     fn compare_exchange(
         &self,
         current: usize,
@@ -391,7 +391,7 @@ impl AtomicUsize {
 
 // Any platform without atomics is unlikely to have multiple cores, so
 // writing via Cell will not be a race condition.
-#[cfg(not(has_atomics))]
+#[cfg(not(target_has_atomic = "ptr"))]
 unsafe impl Sync for AtomicUsize {}
 
 // The LOGGER static holds a pointer to the global logger. It is protected by
@@ -1219,6 +1219,7 @@ where
 ///
 /// Note that `Trace` is the maximum level, because it provides the maximum amount of detail in the emitted logs.
 #[inline]
+#[cfg(target_has_atomic = "ptr")]
 pub fn set_max_level(level: LevelFilter) {
     MAX_LOG_LEVEL_FILTER.store(level as usize, Ordering::Relaxed);
 }
@@ -1287,7 +1288,7 @@ pub fn max_level() -> LevelFilter {
 /// An error is returned if a logger has already been set.
 ///
 /// [`set_logger`]: fn.set_logger.html
-#[cfg(all(feature = "std", atomic_cas))]
+#[cfg(all(feature = "std", target_has_atomic = "ptr"))]
 pub fn set_boxed_logger(logger: Box<dyn Log>) -> Result<(), SetLoggerError> {
     set_logger_inner(|| Box::leak(logger))
 }
@@ -1345,12 +1346,12 @@ pub fn set_boxed_logger(logger: Box<dyn Log>) -> Result<(), SetLoggerError> {
 /// ```
 ///
 /// [`set_logger_racy`]: fn.set_logger_racy.html
-#[cfg(atomic_cas)]
+#[cfg(target_has_atomic = "ptr")]
 pub fn set_logger(logger: &'static dyn Log) -> Result<(), SetLoggerError> {
     set_logger_inner(|| logger)
 }
 
-#[cfg(atomic_cas)]
+#[cfg(target_has_atomic = "ptr")]
 fn set_logger_inner<F>(make_logger: F) -> Result<(), SetLoggerError>
 where
     F: FnOnce() -> &'static dyn Log,