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Make forward compatibility lint deprecated_cfg_attr_crate_type_name deny by default #99784

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Aug 27, 2022
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Make forward compatibility lint deprecated_cfg_attr_crate_type_name deny by default #99784

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4 changes: 2 additions & 2 deletions compiler/rustc_lint_defs/src/builtin.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3068,7 +3068,7 @@ declare_lint! {
///
/// ### Example
///
/// ```rust
/// ```rust,compile_fail
/// #![cfg_attr(debug_assertions, crate_type = "lib")]
/// ```
///
Expand All @@ -3088,7 +3088,7 @@ declare_lint! {
/// rustc instead of `#![cfg_attr(..., crate_type = "...")]` and
/// `--crate-name` instead of `#![cfg_attr(..., crate_name = "...")]`.
pub DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME,
Warn,
Deny,
"detects usage of `#![cfg_attr(..., crate_type/crate_name = \"...\")]`",
@future_incompatible = FutureIncompatibleInfo {
reference: "issue #91632 <https://github.com/rust-lang/rust/issues/91632>",
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5 changes: 2 additions & 3 deletions src/test/codegen/external-no-mangle-statics.rs
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@@ -1,12 +1,11 @@
// revisions: lib staticlib
// ignore-emscripten default visibility is hidden
// compile-flags: -O
// [lib] compile-flags: --crate-type lib
// [staticlib] compile-flags: --crate-type staticlib
// `#[no_mangle]`d static variables always have external linkage, i.e., no `internal` in their
// definitions

#![cfg_attr(lib, crate_type = "lib")]
#![cfg_attr(staticlib, crate_type = "staticlib")]

// CHECK: @A = local_unnamed_addr constant
#[no_mangle]
static A: u8 = 0;
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1 change: 0 additions & 1 deletion src/test/ui/cfg/future-compat-crate-attributes-using-cfg_attr.rs
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@@ -1,7 +1,6 @@
// check-fail
// compile-flags:--cfg foo

#![deny(warnings)]
#![cfg_attr(foo, crate_type="bin")]
//~^ERROR `crate_type` within
//~| WARN this was previously accepted
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15 changes: 5 additions & 10 deletions src/test/ui/cfg/future-compat-crate-attributes-using-cfg_attr.stderr
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@@ -1,20 +1,15 @@
error: `crate_type` within an `#![cfg_attr] attribute is deprecated`
--> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:5:18
--> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:4:18
|
LL | #![cfg_attr(foo, crate_type="bin")]
| ^^^^^^^^^^^^^^^^
|
note: the lint level is defined here
--> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:4:9
|
LL | #![deny(warnings)]
| ^^^^^^^^
= note: `#[deny(deprecated_cfg_attr_crate_type_name)]` implied by `#[deny(warnings)]`
= note: `#[deny(deprecated_cfg_attr_crate_type_name)]` on by default
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #91632 <https://github.com/rust-lang/rust/issues/91632>

error: `crate_name` within an `#![cfg_attr] attribute is deprecated`
--> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:10:18
--> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:9:18
|
LL | #![cfg_attr(foo, crate_name="bar")]
| ^^^^^^^^^^^^^^^^
Expand All @@ -23,7 +18,7 @@ LL | #![cfg_attr(foo, crate_name="bar")]
= note: for more information, see issue #91632 <https://github.com/rust-lang/rust/issues/91632>

error: `crate_type` within an `#![cfg_attr] attribute is deprecated`
--> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:5:18
--> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:4:18
|
LL | #![cfg_attr(foo, crate_type="bin")]
| ^^^^^^^^^^^^^^^^
Expand All @@ -32,7 +27,7 @@ LL | #![cfg_attr(foo, crate_type="bin")]
= note: for more information, see issue #91632 <https://github.com/rust-lang/rust/issues/91632>

error: `crate_name` within an `#![cfg_attr] attribute is deprecated`
--> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:10:18
--> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:9:18
|
LL | #![cfg_attr(foo, crate_name="bar")]
| ^^^^^^^^^^^^^^^^
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