diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/bootstrap/src/core/build_steps/dist.rs | 24 | ||||
| -rw-r--r-- | src/bootstrap/src/utils/proc_macro_deps.rs | 1 | ||||
| -rw-r--r-- | src/doc/rustc/src/targets/custom.md | 15 | ||||
| -rw-r--r-- | src/tools/tidy/src/deps.rs | 6 |
4 files changed, 46 insertions, 0 deletions
diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index a5f0718bc01..99a1062109a 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -590,6 +590,8 @@ impl Step for Rustc { // Debugger scripts builder.ensure(DebuggerScripts { sysroot: image.to_owned(), target }); + generate_target_spec_json_schema(builder, image); + // HTML copyright files let file_list = builder.ensure(super::run::GenerateCopyright); for file in file_list { @@ -618,6 +620,28 @@ impl Step for Rustc { } } +fn generate_target_spec_json_schema(builder: &Builder<'_>, sysroot: &Path) { + // Since we run rustc in bootstrap, we need to ensure that we use the host compiler. + // We do this by using the stage 1 compiler, which is always compiled for the host, + // even in a cross build. + let stage1_host = builder.compiler(1, builder.host_target); + let mut rustc = command(builder.rustc(stage1_host)).fail_fast(); + rustc + .env("RUSTC_BOOTSTRAP", "1") + .args(["--print=target-spec-json-schema", "-Zunstable-options"]); + let schema = rustc.run_capture(builder).stdout(); + + let schema_dir = tmpdir(builder); + t!(fs::create_dir_all(&schema_dir)); + let schema_file = schema_dir.join("target-spec-json-schema.json"); + t!(std::fs::write(&schema_file, schema)); + + let dst = sysroot.join("etc"); + t!(fs::create_dir_all(&dst)); + + builder.install(&schema_file, &dst, FileType::Regular); +} + /// Copies debugger scripts for `target` into the given compiler `sysroot`. #[derive(Debug, Clone, Hash, PartialEq, Eq)] pub struct DebuggerScripts { diff --git a/src/bootstrap/src/utils/proc_macro_deps.rs b/src/bootstrap/src/utils/proc_macro_deps.rs index 777c8601aa1..db2369097d6 100644 --- a/src/bootstrap/src/utils/proc_macro_deps.rs +++ b/src/bootstrap/src/utils/proc_macro_deps.rs @@ -43,6 +43,7 @@ pub static CRATES: &[&str] = &[ "rustc-hash", "self_cell", "serde", + "serde_derive_internals", "sha2", "smallvec", "stable_deref_trait", diff --git a/src/doc/rustc/src/targets/custom.md b/src/doc/rustc/src/targets/custom.md index 6c1494186a4..e1750e27f0b 100644 --- a/src/doc/rustc/src/targets/custom.md +++ b/src/doc/rustc/src/targets/custom.md @@ -16,6 +16,21 @@ rustc +nightly -Z unstable-options --target=wasm32-unknown-unknown --print targe To use a custom target, see the (unstable) [`build-std` feature](../../cargo/reference/unstable.html#build-std) of `cargo`. +<div class="warning"> + +The target JSON properties are not stable and subject to change. +Always pin your compiler version when using custom targets! + +</div> + +## JSON Schema + +`rustc` provides a JSON schema for the custom target JSON specification. +Because the schema is subject to change, you should always use the schema from the version of rustc which you are passing the target to. + +It can be found in `etc/target-spec-json-schema.json` in the sysroot (`rustc --print sysroot`) or printed with `rustc +nightly -Zunstable-options --print target-spec-json-schema`. +The existence and name of this schema is, just like the properties of the JSON specification, not stable and subject to change. + ## Custom Target Lookup Path When `rustc` is given an option `--target=TARGET` (where `TARGET` is any string), it uses the following logic: diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 60347b2ea64..a9804761400 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -267,6 +267,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "digest", "displaydoc", "dissimilar", + "dyn-clone", "either", "elsa", "ena", @@ -346,6 +347,8 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "rand_xorshift", // dependency for doc-tests in rustc_thread_pool "rand_xoshiro", "redox_syscall", + "ref-cast", + "ref-cast-impl", "regex", "regex-automata", "regex-syntax", @@ -357,11 +360,14 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "rustix", "ruzstd", // via object in thorin-dwp "ryu", + "schemars", + "schemars_derive", "scoped-tls", "scopeguard", "self_cell", "serde", "serde_derive", + "serde_derive_internals", "serde_json", "serde_path_to_error", "sha1", |