diff options
| -rw-r--r-- | library/alloc/src/ffi/c_str.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/library/alloc/src/ffi/c_str.rs b/library/alloc/src/ffi/c_str.rs index 6a522c0cada..172a008e89a 100644 --- a/library/alloc/src/ffi/c_str.rs +++ b/library/alloc/src/ffi/c_str.rs @@ -6,7 +6,6 @@ use crate::boxed::Box; use crate::rc::Rc; use crate::slice::hack::into_vec; use crate::string::String; -use crate::sync::Arc; use crate::vec::Vec; use core::borrow::Borrow; use core::ffi::{c_char, CStr}; @@ -19,6 +18,9 @@ use core::slice; use core::slice::memchr; use core::str::{self, Utf8Error}; +#[cfg(target_has_atomic = "ptr")] +use crate::sync::Arc; + /// A type representing an owned, C-compatible, nul-terminated string with no nul bytes in the /// middle. /// @@ -859,6 +861,7 @@ impl<'a> From<&'a CString> for Cow<'a, CStr> { } } +#[cfg(target_has_atomic = "ptr")] #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From<CString> for Arc<CStr> { /// Converts a [`CString`] into an <code>[Arc]<[CStr]></code> by moving the [`CString`] @@ -870,6 +873,7 @@ impl From<CString> for Arc<CStr> { } } +#[cfg(target_has_atomic = "ptr")] #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From<&CStr> for Arc<CStr> { /// Converts a `&CStr` into a `Arc<CStr>`, |