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//! Checks if selected rustc crates can be compiled on the stable channel (or a "simulation" of it).
//! These crates are designed to be used by downstream users.
use run_make_support::{cargo, rustc_path, source_root};
fn main() {
// Use the stage0 beta cargo for the compilation (it shouldn't really matter which cargo we use)
cargo()
// Ensure `proc-macro2`'s nightly detection is disabled
.env("RUSTC_STAGE", "0")
.env("RUSTC", rustc_path())
// We want to disallow all nightly features to simulate a stable build
.env("RUSTFLAGS", "-Zallow-features=")
.arg("build")
.arg("--manifest-path")
.arg(source_root().join("Cargo.toml"))
.args(&[
// Avoid depending on transitive rustc crates
"--no-default-features",
// Emit artifacts in this temporary directory, not in the source_root's `target` folder
"--target-dir",
"target",
])
// Check that these crates can be compiled on "stable"
.args(&[
"-p",
"rustc_type_ir",
"-p",
"rustc_next_trait_solver",
"-p",
"rustc_pattern_analysis",
"-p",
"rustc_lexer",
"-p",
"rustc_abi",
"-p",
"rustc_parse_format",
"-p",
"rustc_hashes",
])
.run();
}
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