tests/run-make: update for symlink helper changes

tests/run-make/invalid-symlink-search-path/rmake.rs

@@ -1,13 +1,14 @@
-// In this test, the symlink created is invalid (valid relative to the root, but not
-// relatively to where it is located), and used to cause an internal
-// compiler error (ICE) when passed as a library search path. This was fixed in #26044,
-// and this test checks that the invalid symlink is instead simply ignored.
+// In this test, the symlink created is invalid (valid relative to the root, but not relatively to
+// where it is located), and used to cause an internal compiler error (ICE) when passed as a library
+// search path. This was fixed in #26044, and this test checks that the invalid symlink is instead
+// simply ignored.
+//
 // See https://github.com/rust-lang/rust/issues/26006
 
 //@ needs-symlink
 //Reason: symlink requires elevated permission in Windows
 
-use run_make_support::{rfs, rustc};
+use run_make_support::{path, rfs, rustc};
 
 fn main() {
     // We create two libs: `bar` which depends on `foo`. We need to compile `foo` first.
@@ -20,9 +21,9 @@ fn main() {
         .metadata("foo")
         .output("out/foo/libfoo.rlib")
         .run();
-    rfs::create_dir("out/bar");
-    rfs::create_dir("out/bar/deps");
-    rfs::create_symlink("out/foo/libfoo.rlib", "out/bar/deps/libfoo.rlib");
+    rfs::create_dir_all("out/bar/deps");
+    rfs::symlink_file(path("out/foo/libfoo.rlib"), path("out/bar/deps/libfoo.rlib"));
+
     // Check that the invalid symlink does not cause an ICE
     rustc()
         .input("in/bar/lib.rs")

tests/run-make/symlinked-extern/rmake.rs

@@ -1,22 +1,22 @@
-// Crates that are resolved normally have their path canonicalized and all
-// symlinks resolved. This did not happen for paths specified
-// using the --extern option to rustc, which could lead to rustc thinking
-// that it encountered two different versions of a crate, when it's
-// actually the same version found through different paths.
-// See https://github.com/rust-lang/rust/pull/16505
-
-// This test checks that --extern and symlinks together
-// can result in successful compilation.
+// Crates that are resolved normally have their path canonicalized and all symlinks resolved. This
+// did not happen for paths specified using the `--extern` option to rustc, which could lead to
+// rustc thinking that it encountered two different versions of a crate, when it's actually the same
+// version found through different paths.
+//
+// This test checks that `--extern` and symlinks together can result in successful compilation.
+//
+// See <https://github.com/rust-lang/rust/pull/16505>.
 
 //@ ignore-cross-compile
 //@ needs-symlink
 
-use run_make_support::{cwd, rfs, rustc};
+use run_make_support::{cwd, path, rfs, rustc};
 
 fn main() {
     rustc().input("foo.rs").run();
     rfs::create_dir_all("other");
-    rfs::create_symlink("libfoo.rlib", "other");
+    rfs::symlink_file(path("libfoo.rlib"), path("other").join("libfoo.rlib"));
+
     rustc().input("bar.rs").library_search_path(cwd()).run();
-    rustc().input("baz.rs").extern_("foo", "other").library_search_path(cwd()).run();
+    rustc().input("baz.rs").extern_("foo", "other/libfoo.rlib").library_search_path(cwd()).run();
 }

tests/run-make/symlinked-libraries/rmake.rs

@@ -1,18 +1,15 @@
-// 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
+// Avoid erroring on symlinks pointing to the same file that are present in the library search path.
+//
+// See <https://github.com/rust-lang/rust/issues/12459>.
 
 //@ ignore-cross-compile
 //@ needs-symlink
 
-use run_make_support::{dynamic_lib_name, rfs, rustc};
+use run_make_support::{cwd, dynamic_lib_name, path, rfs, rustc};
 
 fn main() {
     rustc().input("foo.rs").arg("-Cprefer-dynamic").run();
     rfs::create_dir_all("other");
-    rfs::create_symlink(dynamic_lib_name("foo"), "other");
-    rustc().input("bar.rs").library_search_path("other").run();
+    rfs::symlink_file(dynamic_lib_name("foo"), path("other").join(dynamic_lib_name("foo")));
+    rustc().input("bar.rs").library_search_path(cwd()).library_search_path("other").run();
 }

tests/run-make/symlinked-rlib/rmake.rs

@@ -12,6 +12,6 @@ use run_make_support::{cwd, rfs, rustc};
 
 fn main() {
     rustc().input("foo.rs").crate_type("rlib").output("foo.xxx").run();
-    rfs::create_symlink("foo.xxx", "libfoo.rlib");
+    rfs::symlink_file("foo.xxx", "libfoo.rlib");
     rustc().input("bar.rs").library_search_path(cwd()).run();
 }