WIP

compiler/rustc_metadata/src/native_libs.rs

@@ -32,7 +32,7 @@ pub fn walk_native_lib_search_dirs<R>(
         f(&search_path.dir, false)?;
     }
     for search_path in sess.target_filesearch(PathKind::Framework).cli_search_paths() {
-        // Contrary to the `-L` docs only framework-specific paths are considered here.
+        // Frameworks are looked up strictly in framework-specific paths.
         if search_path.kind != PathKind::All {
             f(&search_path.dir, true)?;
         }
@@ -45,7 +45,7 @@ pub fn walk_native_lib_search_dirs<R>(
             | LinkSelfContainedComponents::UNWIND
             | LinkSelfContainedComponents::MINGW,
     ) {
-        f(&sess.target_filesearch(PathKind::Native).get_self_contained_lib_path(), false)?;
+        f(&sess.target_tlib_path.dir.join("self-contained"), false)?;
     }
 
     // Toolchains for some targets may ship `libunwind.a`, but place it into the main sysroot
@@ -59,7 +59,7 @@ pub fn walk_native_lib_search_dirs<R>(
         || sess.target.os == "fuchsia"
         || sess.target.is_like_osx && !sess.opts.unstable_opts.sanitizer.is_empty()
     {
-        f(&sess.target_filesearch(PathKind::Native).get_lib_path(), false)?;
+        f(&sess.target_tlib_path.dir, false)?;
     }
 
     // Mac Catalyst uses the macOS SDK, but to link to iOS-specific frameworks

src/doc/rustc/src/command-line-arguments.md

@@ -47,7 +47,7 @@ KIND=PATH` where `KIND` may be one of:
   directory.
 - `native` — Only search for native libraries in this directory.
 - `framework` — Only search for macOS frameworks in this directory.
-- `all` — Search for all library kinds in this directory. This is the default
+- `all` — Search for all library kinds in this directory, except frameworks. This is the default
   if `KIND` is not specified.
 
 <a id="option-l-link-lib"></a>

tests/run-make/native-lib-alt-naming/native.rs

@@ -0,0 +1,2 @@
+#[no_mangle]
+pub extern "C" fn native_lib_alt_naming() {}

tests/run-make/native-lib-alt-naming/rmake.rs

@@ -0,0 +1,15 @@
+// On MSVC the alternative naming format for static libraries (`libfoo.a`) is accepted in addition
+// to the default format (`foo.lib`).
+
+//REMOVE@ only-msvc
+
+use run_make_support::rustc;
+
+fn main() {
+    // Prepare the native library.
+    rustc().input("native.rs").crate_type("staticlib").output("libnative.a").run();
+
+    // Try to link to it from both a rlib and a bin.
+    rustc().input("rust.rs").crate_type("rlib").arg("-lstatic=native").run();
+    rustc().input("rust.rs").crate_type("bin").arg("-lstatic=native").run();
+}

tests/run-make/native-lib-alt-naming/rust.rs

@@ -0,0 +1 @@
+pub fn main() {}