no -Ldependency

tests/sigabrt.rs

@@ -1,102 +1,11 @@
 #![feature(lazy_cell)]
 
-use std::collections::BTreeMap;
 use std::ffi::{OsStr, OsString};
 use std::io::{self, Write};
-use std::path::Path;
 use std::process::Command;
-use std::sync::LazyLock;
-use std::{env, fs, thread};
+use std::{env, thread};
 use walkdir::WalkDir;
 
-// Test dependencies may need an `extern crate` here to ensure that they show up
-// in the depinfo file (otherwise cargo thinks they are unused)
-extern crate clippy_lints;
-extern crate clippy_utils;
-extern crate futures;
-extern crate if_chain;
-extern crate itertools;
-extern crate parking_lot;
-extern crate quote;
-extern crate regex;
-extern crate syn;
-extern crate tokio;
-
-/// All crates used in UI tests are listed here
-static TEST_DEPENDENCIES: &[&str] = &[
-    "clippy_config",
-    "clippy_lints",
-    "clippy_utils",
-    "futures",
-    "if_chain",
-    "itertools",
-    "parking_lot",
-    "quote",
-    "regex",
-    "serde_derive",
-    "serde",
-    "syn",
-    "tokio",
-];
-
-/// Produces a string with an `--extern` flag for all UI test crate
-/// dependencies.
-///
-/// The dependency files are located by parsing the depinfo file for this test
-/// module. This assumes the `-Z binary-dep-depinfo` flag is enabled. All test
-/// dependencies must be added to Cargo.toml at the project root. Test
-/// dependencies that are not *directly* used by this test module require an
-/// `extern crate` declaration.
-static EXTERN_FLAGS: LazyLock<Vec<String>> = LazyLock::new(|| {
-    let current_exe_depinfo = {
-        let mut path = env::current_exe().unwrap();
-        path.set_extension("d");
-        fs::read_to_string(path).unwrap()
-    };
-    let mut crates = BTreeMap::<&str, &str>::new();
-    for line in current_exe_depinfo.lines() {
-        // each dependency is expected to have a Makefile rule like `/path/to/crate-hash.rlib:`
-        let parse_name_path = || {
-            if line.starts_with(char::is_whitespace) {
-                return None;
-            }
-            let path_str = line.strip_suffix(':')?;
-            let path = Path::new(path_str);
-            if !matches!(path.extension()?.to_str()?, "rlib" | "so" | "dylib" | "dll") {
-                return None;
-            }
-            let (name, _hash) = path.file_stem()?.to_str()?.rsplit_once('-')?;
-            // the "lib" prefix is not present for dll files
-            let name = name.strip_prefix("lib").unwrap_or(name);
-            Some((name, path_str))
-        };
-        if let Some((name, path)) = parse_name_path() {
-            if TEST_DEPENDENCIES.contains(&name) {
-                // A dependency may be listed twice if it is available in sysroot,
-                // and the sysroot dependencies are listed first. As of the writing,
-                // this only seems to apply to if_chain.
-                crates.insert(name, path);
-            }
-        }
-    }
-    let not_found: Vec<&str> = TEST_DEPENDENCIES
-        .iter()
-        .copied()
-        .filter(|n| !crates.contains_key(n))
-        .collect();
-    assert!(
-        not_found.is_empty(),
-        "dependencies not found in depinfo: {not_found:?}\n\
-        help: Make sure the `-Z binary-dep-depinfo` rust flag is enabled\n\
-        help: Try adding to dev-dependencies in Cargo.toml\n\
-        help: Be sure to also add `extern crate ...;` to tests/compile-test.rs",
-    );
-    crates
-        .into_iter()
-        .map(|(name, path)| format!("--extern={name}={path}"))
-        .collect()
-});
-
 #[test]
 fn test() {
     thread::scope(|s| {
@@ -119,18 +28,10 @@ fn check(thread: usize) {
             "-Ainternal_features",
             "-Zui-testing",
             "-Dwarnings",
-            &format!("-Ldependency={}", deps_path.display()),
         ]
         .map(OsString::from),
     );
 
-    // args.extend(EXTERN_FLAGS.iter().map(OsString::from));
-
-    if let Some(host_libs) = option_env!("HOST_LIBS") {
-        let dep = format!("-Ldependency={}", Path::new(host_libs).join("deps").display());
-        args.push(dep.into());
-    }
-
     let program = profile_path.join(if cfg!(windows) {
         "clippy-driver.exe"
     } else {