self-contained libc.a + liunwind.a

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -2065,16 +2065,20 @@ fn add_local_crate_metadata_objects(
 }
 
 /// Add sysroot and other globally set directories to the directory search list.
-fn add_library_search_dirs(_cmd: &mut dyn Linker, sess: &Session, self_contained: bool) {
-    // The default library location, we need this to find the runtime.
-    // The location of crates will be determined as needed.
-    let _lib_path = sess.target_filesearch(PathKind::All).get_lib_path();
-    // cmd.include_path(&fix_windows_verbatim_for_gcc(&lib_path));
-
+fn add_library_search_dirs(cmd: &mut dyn Linker, sess: &Session, self_contained: bool) {
     // Special directory with libraries used only in self-contained linkage mode
     if self_contained {
-        let _lib_path = sess.target_filesearch(PathKind::All).get_self_contained_lib_path();
-        // cmd.include_path(&fix_windows_verbatim_for_gcc(&lib_path));
+        let lib_path = sess.target_filesearch(PathKind::All).get_self_contained_lib_path();
+        cmd.include_path(&fix_windows_verbatim_for_gcc(&lib_path));
+    }
+
+    // The default library location, we need this to find the runtime.
+    // The location of crates will be determined as needed.
+    // `copy_third_party_objects`
+    if sess.target.vendor == "fortanix" || sess.target.os == "linux" || sess.target.os == "fuchsia"
+    {
+        let lib_path = sess.target_filesearch(PathKind::Native).get_lib_path();
+        cmd.include_path(&fix_windows_verbatim_for_gcc(&lib_path));
     }
 }