Add link to core CStr stabilization announcement

dtolnay · dtolnay · commit 7e9826e17b15 · 2023-03-11T12:57:16.000-08:00
diff --git a/serde/build.rs b/serde/build.rs
@@ -116,6 +116,7 @@ fn main() {
     }
 
     // Support for core::ffi::CStr and alloc::ffi::CString stabilized in Rust 1.64.
+    // https://blog.rust-lang.org/2022/09/22/Rust-1.64.0.html#c-compatible-ffi-types-in-core-and-alloc
     if minor < 64 {
         println!("cargo:rustc-cfg=no_core_cstr");
     }

Original file line number	Diff line number	Diff line change
`@@ -116,6 +116,7 @@ fn main() {`
`116`	`116`	`}`
`117`	`117`
`118`	`118`	`// Support for core::ffi::CStr and alloc::ffi::CString stabilized in Rust 1.64.`
	`119`	`+ // https://blog.rust-lang.org/2022/09/22/Rust-1.64.0.html#c-compatible-ffi-types-in-core-and-alloc`
`119`	`120`	`if minor < 64 {`
`120`	`121`	`println!("cargo:rustc-cfg=no_core_cstr");`
`121`	`122`	`}`