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Diffstat (limited to 'cortex-m-rt/src/lib.rs')
| -rw-r--r-- | cortex-m-rt/src/lib.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/cortex-m-rt/src/lib.rs b/cortex-m-rt/src/lib.rs index cb85f4e..06ee551 100644 --- a/cortex-m-rt/src/lib.rs +++ b/cortex-m-rt/src/lib.rs @@ -485,7 +485,7 @@ #![deny(missing_docs)] #![deny(warnings)] #![feature(asm)] -#![feature(compiler_builtins_lib)] +#![cfg_attr(needs_cb, feature(compiler_builtins_lib))] #![feature(global_asm)] #![feature(lang_items)] #![feature(linkage)] @@ -493,6 +493,7 @@ #![feature(used)] #![no_std] +#[cfg(needs_cb)] extern crate compiler_builtins; #[cfg(target_arch = "arm")] extern crate cortex_m; |