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Stabilize -Zcheck-cfg
as always enabled
#13571
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☔ The latest upstream changes (presumably #13621) made this pull request unmergeable. Please resolve the merge conflicts. |
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Update cargo 18 commits in 6087566b3fa73bfda29702632493e938b12d19e5..05364cb2f61a2c2b091e061c1f42b207dfb5f81f 2024-04-30 20:45:20 +0000 to 2024-05-03 16:48:59 +0000 - chore(deps): update msrv (3 versions) to v1.76 (rust-lang/cargo#13857) - Stabilize `-Zcheck-cfg` as always enabled (rust-lang/cargo#13571) - fix(lints): Prevent inheritance from bring exposed for published packages (rust-lang/cargo#13852) - refactor: remove unnecessary branch for link binary on macOS (rust-lang/cargo#13851) - perf(toml): Avoid inferring when targets are known (rust-lang/cargo#13849) - Update continuous-integration.md: Include CircleCI reference (rust-lang/cargo#13850) - chore(deps): update msrv (1 version) to v1.78 (rust-lang/cargo#13848) - Workaround copying file returning EAGAIN on ZFS on mac OS (rust-lang/cargo#13845) - Clean package perf improvements (rust-lang/cargo#13818) - fix(toml): Validate crates_types/proc-macro for bin like others (rust-lang/cargo#13841) - fix(toml): On 2024 Edition, disallow ignored `default-features` when inheriting (rust-lang/cargo#13839) - chore(ci): Ignore openssl deps (rust-lang/cargo#13840) - fix(lints): Remove ability to specify `-` in lint name (rust-lang/cargo#13837) - fix(resolver): Treat unset MSRV as compatible (rust-lang/cargo#13791) - fix(toml): Don't lose 'public' when inheriting a dep (rust-lang/cargo#13836) - chore(deps): update compatible (rust-lang/cargo#13834) - Error when unstable lints are specified but not enabled (rust-lang/cargo#13805) - fix(lint): Warn not Error on unsupported lint tool (rust-lang/cargo#13833) r? ghost Note: this includes the fix that was beta backported in rust-lang#124647
Update cargo 18 commits in 6087566b3fa73bfda29702632493e938b12d19e5..05364cb2f61a2c2b091e061c1f42b207dfb5f81f 2024-04-30 20:45:20 +0000 to 2024-05-03 16:48:59 +0000 - chore(deps): update msrv (3 versions) to v1.76 (rust-lang/cargo#13857) - Stabilize `-Zcheck-cfg` as always enabled (rust-lang/cargo#13571) - fix(lints): Prevent inheritance from bring exposed for published packages (rust-lang/cargo#13852) - refactor: remove unnecessary branch for link binary on macOS (rust-lang/cargo#13851) - perf(toml): Avoid inferring when targets are known (rust-lang/cargo#13849) - Update continuous-integration.md: Include CircleCI reference (rust-lang/cargo#13850) - chore(deps): update msrv (1 version) to v1.78 (rust-lang/cargo#13848) - Workaround copying file returning EAGAIN on ZFS on mac OS (rust-lang/cargo#13845) - Clean package perf improvements (rust-lang/cargo#13818) - fix(toml): Validate crates_types/proc-macro for bin like others (rust-lang/cargo#13841) - fix(toml): On 2024 Edition, disallow ignored `default-features` when inheriting (rust-lang/cargo#13839) - chore(ci): Ignore openssl deps (rust-lang/cargo#13840) - fix(lints): Remove ability to specify `-` in lint name (rust-lang/cargo#13837) - fix(resolver): Treat unset MSRV as compatible (rust-lang/cargo#13791) - fix(toml): Don't lose 'public' when inheriting a dep (rust-lang/cargo#13836) - chore(deps): update compatible (rust-lang/cargo#13834) - Error when unstable lints are specified but not enabled (rust-lang/cargo#13805) - fix(lint): Warn not Error on unsupported lint tool (rust-lang/cargo#13833) r? ghost Note: this includes the fix that was beta backported in rust-lang#124647
Would it make sense to add some common |
Its a bit difficult to decide what is "common" enough to justify inclusion and what level of compatibility we should provide on these. For now, we are sticking with cfg's that are first-party to cargo. Something like https://internals.rust-lang.org/t/pre-rfc-mutually-excusive-global-features/19618 would allow registering more configs with Cargo in a declarative manner. It is unfortunate that hyper and tokio are disabling the lint to avoid the overhead of build scripts
Tokio at least has a custom CI job where they check it. I guess another alternative is a config file with the rustflags set though I always find that annoying when contributing to repos due to my personal workflow. |
I understand that including third-party In Tokio's case, there's probably no way around disabling it. We use too many |
We did, you can see the results here: rust-lang/rust#120701 (comment) Deciding what is common enough is difficult since every use-case can be vastly different, the Rust-for-Linux project probably don't want your In the stabilization report of |
Looks like I'll also have to silence the warning: microsoft/windows-rs#3022 |
I want to reiterate that this creates an issue and a lot of churn for crates that have valid Would it be possible for the code itself to define a list of correct (additional) attributes? To give a concrete example, Mio uses two #![expected_cfgs(mio_unsupported_force_poll_poll, mio_unsupported_force_waker_pipe)] I think this would also solve the "common third party" issue as Loom (and other crates) could recommend to put something like the above into the users code. |
See also rust-lang/rust#124800. It's probably best to keep the discussion in one place. |
Update cargo 18 commits in 6087566b3fa73bfda29702632493e938b12d19e5..05364cb2f61a2c2b091e061c1f42b207dfb5f81f 2024-04-30 20:45:20 +0000 to 2024-05-03 16:48:59 +0000 - chore(deps): update msrv (3 versions) to v1.76 (rust-lang/cargo#13857) - Stabilize `-Zcheck-cfg` as always enabled (rust-lang/cargo#13571) - fix(lints): Prevent inheritance from bring exposed for published packages (rust-lang/cargo#13852) - refactor: remove unnecessary branch for link binary on macOS (rust-lang/cargo#13851) - perf(toml): Avoid inferring when targets are known (rust-lang/cargo#13849) - Update continuous-integration.md: Include CircleCI reference (rust-lang/cargo#13850) - chore(deps): update msrv (1 version) to v1.78 (rust-lang/cargo#13848) - Workaround copying file returning EAGAIN on ZFS on mac OS (rust-lang/cargo#13845) - Clean package perf improvements (rust-lang/cargo#13818) - fix(toml): Validate crates_types/proc-macro for bin like others (rust-lang/cargo#13841) - fix(toml): On 2024 Edition, disallow ignored `default-features` when inheriting (rust-lang/cargo#13839) - chore(ci): Ignore openssl deps (rust-lang/cargo#13840) - fix(lints): Remove ability to specify `-` in lint name (rust-lang/cargo#13837) - fix(resolver): Treat unset MSRV as compatible (rust-lang/cargo#13791) - fix(toml): Don't lose 'public' when inheriting a dep (rust-lang/cargo#13836) - chore(deps): update compatible (rust-lang/cargo#13834) - Error when unstable lints are specified but not enabled (rust-lang/cargo#13805) - fix(lint): Warn not Error on unsupported lint tool (rust-lang/cargo#13833) r? ghost Note: this includes the fix that was beta backported in #124647
fix: remove rustc probe for `--check-cfg` support ### What does this PR try to resolve? This is a follow-up to #13571 as now everything for `-Z check-cfg` is stabilized. ### How should we test and review this PR? Existing test suite passes. ### Additional information
This PR stabilize the
-Zcheck-cfg
option as always enabled.Waiting on rust-lang/rust#82450 (comment) to complete, but is otherwise ready to be reviewed (in particular the documentation changes).(rust-lang/rust#123501)Fixes #10554