Warn on unexpected libstd dependence #95
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Signed-off-by: Oliver Tale-Yazdi <[email protected]>
Signed-off-by: Oliver Tale-Yazdi <[email protected]>
Signed-off-by: Oliver Tale-Yazdi <[email protected]>
ggwpez
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Signed-off-by: Oliver Tale-Yazdi <[email protected]>
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Preparation for #3935 Changes: - Add some `default-features = false` for the case that a crate and that dependency both support nostd builds. - Shuffle files around of some benchmarking-only crates. These conditionally disabled the `cfg_attr` for nostd and pulled in libstd. Example [here](ggwpez/zepter#95). The actual logic is moved into a `inner.rs` to preserve nostd capability of the crate in case the benchmarking feature is disabled. - Add some `use sp_std::vec` where needed. - Remove some `optional = true` in cases where it was not optional. - Removed one superfluous `cfg_attr(not(feature = "std"), no_std..`. All in all this should be logical no-op. --------- Signed-off-by: Oliver Tale-Yazdi <[email protected]>
github-merge-queue bot
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Apr 17, 2024
Preparation for #3935 Changes: - Add some `default-features = false` for the case that a crate and that dependency both support nostd builds. - Shuffle files around of some benchmarking-only crates. These conditionally disabled the `cfg_attr` for nostd and pulled in libstd. Example [here](ggwpez/zepter#95). The actual logic is moved into a `inner.rs` to preserve nostd capability of the crate in case the benchmarking feature is disabled. - Add some `use sp_std::vec` where needed. - Remove some `optional = true` in cases where it was not optional. - Removed one superfluous `cfg_attr(not(feature = "std"), no_std..`. All in all this should be logical no-op. --------- Signed-off-by: Oliver Tale-Yazdi <[email protected]>
sandreim
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Apr 18, 2024
Preparation for #3935 Changes: - Add some `default-features = false` for the case that a crate and that dependency both support nostd builds. - Shuffle files around of some benchmarking-only crates. These conditionally disabled the `cfg_attr` for nostd and pulled in libstd. Example [here](ggwpez/zepter#95). The actual logic is moved into a `inner.rs` to preserve nostd capability of the crate in case the benchmarking feature is disabled. - Add some `use sp_std::vec` where needed. - Remove some `optional = true` in cases where it was not optional. - Removed one superfluous `cfg_attr(not(feature = "std"), no_std..`. All in all this should be logical no-op. --------- Signed-off-by: Oliver Tale-Yazdi <[email protected]>
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Warn when a crate could unexpectedly pull in libstd.
Example on Polkadot-SDK:
Since these crate do have both:
#![cfg_attr(not(feature = "std"), no_std)]and#![cfg(feature = "runtime-benchmarks")]which conditionally disables the nostd attribute.Note that this is just a warning for now. Could be made into an additional lint (plus failure condition) in the future.