diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_metadata/messages.ftl | 3 | ||||
| -rw-r--r-- | compiler/rustc_metadata/src/errors.rs | 14 |
2 files changed, 13 insertions, 4 deletions
diff --git a/compiler/rustc_metadata/messages.ftl b/compiler/rustc_metadata/messages.ftl index 13b3dac85d1..cc58d51befd 100644 --- a/compiler/rustc_metadata/messages.ftl +++ b/compiler/rustc_metadata/messages.ftl @@ -25,6 +25,9 @@ metadata_conflicting_alloc_error_handler = metadata_conflicting_global_alloc = the `#[global_allocator]` in {$other_crate_name} conflicts with global allocator in: {$crate_name} +metadata_consider_adding_std = + consider adding the standard library to the sysroot with `x build library --target {$locator_triple}` + metadata_consider_building_std = consider building the standard library from source with `cargo build -Zbuild-std` diff --git a/compiler/rustc_metadata/src/errors.rs b/compiler/rustc_metadata/src/errors.rs index fca06c0f47c..b6c82376f4e 100644 --- a/compiler/rustc_metadata/src/errors.rs +++ b/compiler/rustc_metadata/src/errors.rs @@ -646,12 +646,18 @@ impl IntoDiagnostic<'_> for CannotFindCrate { } else { diag.note(fluent::metadata_target_no_std_support); } - // NOTE: this suggests using rustup, even though the user may not have it installed. - // That's because they could choose to install it; or this may give them a hint which - // target they need to install from their distro. + if self.missing_core { - diag.help(fluent::metadata_consider_downloading_target); + if env!("CFG_RELEASE_CHANNEL") == "dev" { + diag.help(fluent::metadata_consider_adding_std); + } else { + // NOTE: this suggests using rustup, even though the user may not have it installed. + // That's because they could choose to install it; or this may give them a hint which + // target they need to install from their distro. + diag.help(fluent::metadata_consider_downloading_target); + } } + // Suggest using #![no_std]. #[no_core] is unstable and not really supported anyway. // NOTE: this is a dummy span if `extern crate std` was injected by the compiler. // If it's not a dummy, that means someone added `extern crate std` explicitly and |