port symlinked-libraries to rmake

Author: Oneirical

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -252,7 +252,6 @@ run-make/suspicious-library/Makefile
 run-make/symbol-mangling-hashed/Makefile
 run-make/symbol-visibility/Makefile
 run-make/symbols-include-type-name/Makefile
-run-make/symlinked-libraries/Makefile
 run-make/sysroot-crates-are-unstable/Makefile
 run-make/target-cpu-native/Makefile
 run-make/target-specs/Makefile

tests/run-make/symlinked-libraries/Makefile

@@ -0,0 +1,17 @@
+// When a directory and a symlink simultaneously exist with the same name,
+// setting that name as the library search path should not cause rustc
+// to avoid looking in the symlink and cause an error. This test creates
+// a directory and a symlink named "other", and places the library in the symlink.
+// If it succeeds, the library was successfully found.
+// See https://github.com/rust-lang/rust/issues/12459
+
+//@ ignore-cross-compile
+use run_make_support::{create_symlink, dynamic_lib, rustc, tmp_dir};
+use std::fs;
+
+fn main() {
+    rustc().input("foo.rs").arg("-Cprefer-dynamic").run();
+    fs::create_dir_all(tmp_dir().join("other")).unwrap();
+    create_symlink(dynamic_lib("foo"), tmp_dir().join("other"));
+    rustc().input("bar.rs").library_search_path(tmp_dir().join("other")).run();
+}