diff options
| -rw-r--r-- | compiler/rustc_lint/src/context.rs | 2 | ||||
| -rw-r--r-- | tests/ui/check-cfg/cargo-feature.none.stderr | 15 | ||||
| -rw-r--r-- | tests/ui/check-cfg/cargo-feature.rs | 5 | ||||
| -rw-r--r-- | tests/ui/check-cfg/cargo-feature.some.stderr | 15 |
4 files changed, 29 insertions, 8 deletions
diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index 39c965e75d6..bd86a0be676 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -804,8 +804,6 @@ pub trait LintContext { db.span_suggestion(value_span, "there is a expected value with a similar name", format!("\"{best_match}\""), Applicability::MaybeIncorrect); } - } else if name == sym::feature && is_from_cargo { - db.help(format!("consider defining `{name}` as feature in `Cargo.toml`")); } else if let &[first_possibility] = &possibilities[..] { db.span_suggestion(name_span.shrink_to_hi(), "specify a config value", format!(" = \"{first_possibility}\""), Applicability::MaybeIncorrect); } diff --git a/tests/ui/check-cfg/cargo-feature.none.stderr b/tests/ui/check-cfg/cargo-feature.none.stderr index 44c8f7e3072..9a308429484 100644 --- a/tests/ui/check-cfg/cargo-feature.none.stderr +++ b/tests/ui/check-cfg/cargo-feature.none.stderr @@ -8,9 +8,18 @@ LL | #[cfg(feature = "serde")] = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default -warning: unexpected `cfg` condition name: `tokio_unstable` +warning: unexpected `cfg` condition name: `feature` --> $DIR/cargo-feature.rs:18:7 | +LL | #[cfg(feature)] + | ^^^^^^^ + | + = help: consider defining some features in `Cargo.toml` + = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration + +warning: unexpected `cfg` condition name: `tokio_unstable` + --> $DIR/cargo-feature.rs:23:7 + | LL | #[cfg(tokio_unstable)] | ^^^^^^^^^^^^^^ | @@ -19,7 +28,7 @@ LL | #[cfg(tokio_unstable)] = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration warning: unexpected `cfg` condition name: `CONFIG_NVME` - --> $DIR/cargo-feature.rs:22:7 + --> $DIR/cargo-feature.rs:27:7 | LL | #[cfg(CONFIG_NVME = "m")] | ^^^^^^^^^^^^^^^^^ @@ -27,5 +36,5 @@ LL | #[cfg(CONFIG_NVME = "m")] = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of a `build.rs` = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration -warning: 3 warnings emitted +warning: 4 warnings emitted diff --git a/tests/ui/check-cfg/cargo-feature.rs b/tests/ui/check-cfg/cargo-feature.rs index fe343d0a678..f2fd0fd6420 100644 --- a/tests/ui/check-cfg/cargo-feature.rs +++ b/tests/ui/check-cfg/cargo-feature.rs @@ -15,6 +15,11 @@ //[some]~^^ WARNING unexpected `cfg` condition value fn ser() {} +#[cfg(feature)] +//[none]~^ WARNING unexpected `cfg` condition name +//[some]~^^ WARNING unexpected `cfg` condition value +fn feat() {} + #[cfg(tokio_unstable)] //~^ WARNING unexpected `cfg` condition name fn tokio() {} diff --git a/tests/ui/check-cfg/cargo-feature.some.stderr b/tests/ui/check-cfg/cargo-feature.some.stderr index 92d63d01534..fc6951b5617 100644 --- a/tests/ui/check-cfg/cargo-feature.some.stderr +++ b/tests/ui/check-cfg/cargo-feature.some.stderr @@ -9,9 +9,18 @@ LL | #[cfg(feature = "serde")] = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default -warning: unexpected `cfg` condition name: `tokio_unstable` +warning: unexpected `cfg` condition value: (none) --> $DIR/cargo-feature.rs:18:7 | +LL | #[cfg(feature)] + | ^^^^^^^- help: specify a config value: `= "bitcode"` + | + = note: expected values for `feature` are: `bitcode` + = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration + +warning: unexpected `cfg` condition name: `tokio_unstable` + --> $DIR/cargo-feature.rs:23:7 + | LL | #[cfg(tokio_unstable)] | ^^^^^^^^^^^^^^ | @@ -20,7 +29,7 @@ LL | #[cfg(tokio_unstable)] = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration warning: unexpected `cfg` condition value: `m` - --> $DIR/cargo-feature.rs:22:7 + --> $DIR/cargo-feature.rs:27:7 | LL | #[cfg(CONFIG_NVME = "m")] | ^^^^^^^^^^^^^^--- @@ -31,5 +40,5 @@ LL | #[cfg(CONFIG_NVME = "m")] = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of a `build.rs` = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration -warning: 3 warnings emitted +warning: 4 warnings emitted |