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Use local_rebuild property to support new check-cfg in case of rebuild

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This commit is contained in:
Urgau 2023-10-23 14:57:20 +02:00
parent 276a34666b
commit ccbd304335
1 changed files with 5 additions and 5 deletions
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10
src/bootstrap/src/core/builder.rs
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@ -1401,8 +1401,8 @@ pub fn cargo(
rustflags.arg("-Zunstable-options");
}
// #[cfg(bootstrap)] should remove every code path where it's false
const USE_NEW_CHECK_CFG_SYNTAX: bool = false;
// #[cfg(bootstrap)]
let use_new_check_cfg_syntax = self.local_rebuild;
// Enable compile-time checking of `cfg` names, values and Cargo `features`.
//
@ -1411,7 +1411,7 @@ pub fn cargo(
// features but cargo isn't involved in the #[path] process and so cannot pass the
// complete list of features, so for that reason we don't enable checking of
// features for std crates.
if USE_NEW_CHECK_CFG_SYNTAX {
if use_new_check_cfg_syntax {
cargo.arg("-Zcheck-cfg");
if mode == Mode::Std {
rustflags.arg("--check-cfg=cfg(feature,values(any()))");
@ -1442,7 +1442,7 @@ pub fn cargo(
.collect::<String>(),
None => String::new(),
};
if USE_NEW_CHECK_CFG_SYNTAX {
if use_new_check_cfg_syntax {
let values = values.strip_prefix(",").unwrap_or(&values); // remove the first `,`
rustflags.arg(&format!("--check-cfg=cfg({name},values({values}))"));
} else {
@ -1463,7 +1463,7 @@ pub fn cargo(
// We also declare that the flag is expected, which we need to do to not
// get warnings about it being unexpected.
hostflags.arg("-Zunstable-options");
if USE_NEW_CHECK_CFG_SYNTAX {
if use_new_check_cfg_syntax {
hostflags.arg("--check-cfg=cfg(bootstrap)");
} else {
hostflags.arg("--check-cfg=values(bootstrap)");