Use a dedicated cfg for PathBuf::into_boxed_path

dtolnay · dtolnay · commit a00aee14950b · 2019-10-27T13:38:25.000-07:00
diff --git a/serde/build.rs b/serde/build.rs
@@ -34,6 +34,7 @@ fn main() {
     // https://doc.rust-lang.org/std/path/struct.PathBuf.html#method.into_boxed_path
     if minor >= 20 {
         println!("cargo:rustc-cfg=de_boxed_c_str");
+        println!("cargo:rustc-cfg=de_boxed_path");
     }
 
     // From<Box<T>> for Rc<T> / Arc<T> stabilized in Rust 1.21:
diff --git a/serde/src/de/impls.rs b/serde/src/de/impls.rs
@@ -1610,7 +1610,7 @@ impl<'de> Deserialize<'de> for PathBuf {
     }
 }
 
-#[cfg(all(feature = "std", de_boxed_c_str))]
+#[cfg(all(feature = "std", de_boxed_path))]
 forwarded_impl!((), Box<Path>, PathBuf::into_boxed_path);
 
 ////////////////////////////////////////////////////////////////////////////////

Original file line number	Diff line number	Diff line change
`@@ -34,6 +34,7 @@ fn main() {`
`34`	`34`	`// https://doc.rust-lang.org/std/path/struct.PathBuf.html#method.into_boxed_path`
`35`	`35`	`if minor >= 20 {`
`36`	`36`	`println!("cargo:rustc-cfg=de_boxed_c_str");`
	`37`	`+ println!("cargo:rustc-cfg=de_boxed_path");`
`37`	`38`	`}`
`38`	`39`
`39`	`40`	`// From<Box<T>> for Rc<T> / Arc<T> stabilized in Rust 1.21:`
Original file line number	Diff line number	Diff line change
`@@ -1610,7 +1610,7 @@ impl<'de> Deserialize<'de> for PathBuf {`
`1610`	`1610`	`}`
`1611`	`1611`	`}`
`1612`	`1612`
`1613`		`-#[cfg(all(feature = "std", de_boxed_c_str))]`
	`1613`	`+#[cfg(all(feature = "std", de_boxed_path))]`
`1614`	`1614`	`forwarded_impl!((), Box<Path>, PathBuf::into_boxed_path);`
`1615`	`1615`
`1616`	`1616`	`////////////////////////////////////////////////////////////////////////////////`