diff options
| -rw-r--r-- | compiler/rustc_target/src/spec/avr_gnu_base.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_target/src/spec/mod.rs | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_target/src/spec/avr_gnu_base.rs b/compiler/rustc_target/src/spec/avr_gnu_base.rs index 9cc10032c71..67a7684da2c 100644 --- a/compiler/rustc_target/src/spec/avr_gnu_base.rs +++ b/compiler/rustc_target/src/spec/avr_gnu_base.rs @@ -11,7 +11,6 @@ pub fn target(target_cpu: String) -> Target { pointer_width: 16, options: TargetOptions { c_int_width: "16".to_string(), - os: "unknown".to_string(), cpu: target_cpu.clone(), exe_suffix: ".elf".to_string(), diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 2a4ae786fb7..dc8c41ecedc 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -713,6 +713,9 @@ pub struct TargetOptions { /// Width of c_int type. Defaults to "32". pub c_int_width: String, /// OS name to use for conditional compilation. Defaults to "none". + /// "none" implies a bare metal target without `std` library. + /// A couple of targets having `std` also use "unknown" as an `os` value, + /// but they are exceptions. pub os: String, /// Environment name to use for conditional compilation. Defaults to "". pub env: String, |