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| author | Vadim Petrochenkov <vadim.petrochenkov@gmail.com> | 2020-11-11 20:10:15 +0300 |
|---|---|---|
| committer | Vadim Petrochenkov <vadim.petrochenkov@gmail.com> | 2020-11-11 20:24:14 +0300 |
| commit | 443b45fa9fd87cf0939e80a64bead413530e375c (patch) | |
| tree | bbd4f744a746b5c60e7bb09fa9a6bbf5a1f4493f | |
| parent | d4ea0b3e46a0303d5802b632e88ba1ba84d9d16f (diff) | |
| download | rust-443b45fa9fd87cf0939e80a64bead413530e375c.tar.gz rust-443b45fa9fd87cf0939e80a64bead413530e375c.zip | |
rustc_target: Change os from "unknown" to "none" for bare metal targets
x86_64-fortanix-unknown-sgx and wasm32-unknown-unknown still have os == "unknown" because both have libstd
| -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, |