Resolve unexpected_cfgs warning

warning: unexpected `cfg` condition name: `serde_build_from_git`
      --> serde_derive_internals/lib.rs:45:12
       |
    45 | #[cfg_attr(serde_build_from_git, path = "../serde_derive/src/internals/mod.rs")]
       |            ^^^^^^^^^^^^^^^^^^^^
       |
       = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
       = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(serde_build_from_git)");` to the top of the `build.rs`
       = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
       = note: `#[warn(unexpected_cfgs)]` on by default

    warning: unexpected `cfg` condition name: `serde_build_from_git`
      --> serde_derive_internals/lib.rs:46:16
       |
    46 | #[cfg_attr(not(serde_build_from_git), path = "src/mod.rs")]
       |                ^^^^^^^^^^^^^^^^^^^^
       |
       = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(serde_build_from_git)");` to the top of the `build.rs`
       = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition value: `deserialize_in_place`
       --> serde_derive_internals/src/attr.rs:276:11
        |
    276 |     #[cfg(feature = "deserialize_in_place")]
        |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
        |
        = note: no expected values for `feature`
        = help: consider adding `deserialize_in_place` as a feature in `Cargo.toml`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
        --> serde_derive_internals/src/attr.rs:1797:31
         |
    1797 |         #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
         |                               ^^^^^^^^^^
         |
         = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
         = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive_internals/src/receiver.rs:110:35
        |
    110 |             #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                   ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive_internals/src/receiver.rs:181:47
        |
    181 |                         #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                               ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive_internals/src/receiver.rs:210:35
        |
    210 |             #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                   ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive_internals/src/receiver.rs:231:43
        |
    231 |                     #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                           ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
      --> serde_derive/src/lib.rs:62:23
       |
    62 | #![cfg_attr(all(test, exhaustive), feature(non_exhaustive_omitted_patterns_lint))]
       |                       ^^^^^^^^^^
       |
       = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
       = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
       = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
       = note: `#[warn(unexpected_cfgs)]` on by default

    warning: unexpected `cfg` condition name: `exhaustive`
        --> serde_derive/src/internals/attr.rs:1797:31
         |
    1797 |         #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
         |                               ^^^^^^^^^^
         |
         = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
         = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive/src/internals/receiver.rs:110:35
        |
    110 |             #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                   ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive/src/internals/receiver.rs:181:47
        |
    181 |                         #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                               ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive/src/internals/receiver.rs:210:35
        |
    210 |             #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                   ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive/src/internals/receiver.rs:231:43
        |
    231 |                     #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                           ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive/src/bound.rs:147:39
        |
    147 |                 #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                       ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive/src/bound.rs:199:51
        |
    199 | ...                   #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                             ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `exhaustive`
       --> serde_derive/src/bound.rs:228:39
        |
    228 |                 #![cfg_attr(all(test, exhaustive), deny(non_exhaustive_omitted_patterns))]
        |                                       ^^^^^^^^^^
        |
        = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
        = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration

    warning: unexpected `cfg` condition name: `systemtime_checked_add`
        --> test_suite/tests/test_de_error.rs:1527:7
         |
    1527 | #[cfg(systemtime_checked_add)]
         |       ^^^^^^^^^^^^^^^^^^^^^^
         |
         = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
         = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(systemtime_checked_add)");` to the top of the `build.rs`
         = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
         = note: `#[warn(unexpected_cfgs)]` on by default
This commit is contained in:
David Tolnay 2024-05-04 19:59:44 -07:00
parent 20306f493a
commit 220ca0ca9d
No known key found for this signature in database
GPG Key ID: F9BA143B95FF6D82
7 changed files with 33 additions and 1 deletions

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@ -13,6 +13,21 @@ fn main() {
None => return,
};
if minor >= 77 {
println!("cargo:rustc-check-cfg=cfg(doc_cfg)");
println!("cargo:rustc-check-cfg=cfg(no_core_cstr)");
println!("cargo:rustc-check-cfg=cfg(no_core_num_saturating)");
println!("cargo:rustc-check-cfg=cfg(no_core_try_from)");
println!("cargo:rustc-check-cfg=cfg(no_float_copysign)");
println!("cargo:rustc-check-cfg=cfg(no_num_nonzero_signed)");
println!("cargo:rustc-check-cfg=cfg(no_relaxed_trait_bounds)");
println!("cargo:rustc-check-cfg=cfg(no_serde_derive)");
println!("cargo:rustc-check-cfg=cfg(no_std_atomic)");
println!("cargo:rustc-check-cfg=cfg(no_std_atomic64)");
println!("cargo:rustc-check-cfg=cfg(no_systemtime_checked_add)");
println!("cargo:rustc-check-cfg=cfg(no_target_has_atomic)");
}
let target = env::var("TARGET").unwrap();
let emscripten = target == "asmjs-unknown-emscripten" || target == "wasm32-unknown-emscripten";

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@ -6,6 +6,7 @@ categories = ["no-std", "no-std::no-alloc"]
description = "Macros 1.1 implementation of #[derive(Serialize, Deserialize)]"
documentation = "https://serde.rs/derive.html"
edition = "2015"
exclude = ["build.rs"]
homepage = "https://serde.rs"
keywords = ["serde", "serialization", "no_std", "derive"]
license = "MIT OR Apache-2.0"

7
serde_derive/build.rs Normal file
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@ -0,0 +1,7 @@
fn main() {
// Warning: build.rs is not published to crates.io.
println!("cargo:rustc-cfg=check_cfg");
println!("cargo:rustc-check-cfg=cfg(check_cfg)");
println!("cargo:rustc-check-cfg=cfg(exhaustive)");
}

View File

@ -14,6 +14,7 @@
//! [https://serde.rs/derive.html]: https://serde.rs/derive.html
#![doc(html_root_url = "https://docs.rs/serde_derive/1.0.200")]
#![cfg_attr(not(check_cfg), allow(unexpected_cfgs))]
// Ignored clippy lints
#![allow(
// clippy false positive: https://github.com/rust-lang/rust-clippy/issues/7054

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@ -1,9 +1,17 @@
use std::path::Path;
fn main() {
// Warning: build.rs is not published to crates.io.
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-changed=src/mod.rs");
println!("cargo:rustc-cfg=check_cfg");
println!("cargo:rustc-check-cfg=cfg(check_cfg)");
println!("cargo:rustc-check-cfg=cfg(exhaustive)");
println!("cargo:rustc-check-cfg=cfg(serde_build_from_git)");
println!("cargo:rustc-check-cfg=cfg(feature, values(\"deserialize_in_place\"))");
// Sometimes on Windows the git checkout does not correctly wire up the
// symlink from serde_derive_internals/src to serde_derive/src/internals.
// When this happens we'll just build based on relative paths within the git

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@ -1,4 +1,5 @@
#![doc(html_root_url = "https://docs.rs/serde_derive_internals/0.29.0")]
#![cfg_attr(not(check_cfg), allow(unexpected_cfgs))]
// Ignored clippy lints
#![allow(
clippy::cognitive_complexity,

View File

@ -1524,7 +1524,6 @@ fn test_systemtime_overflow_struct() {
);
}
#[cfg(not(no_systemtime_checked_add))]
#[test]
fn test_systemtime_overflow() {
assert_de_tokens_error::<SystemTime>(