Migrate run-make/link-framework to rmake.rs

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -89,7 +89,6 @@ run-make/libtest-junit/Makefile
 run-make/libtest-padding/Makefile
 run-make/libtest-thread-limit/Makefile
 run-make/link-cfg/Makefile
-run-make/link-framework/Makefile
 run-make/link-path-order/Makefile
 run-make/linkage-attr-on-static/Makefile
 run-make/llvm-ident/Makefile

tests/run-make/link-framework/rmake.rs

@@ -0,0 +1,29 @@
+// Check that linking to a framework actually makes it to the linker.
+
+//@ only-apple
+
+use run_make_support::{cmd, rustc};
+
+fn main() {
+    rustc().input("dep-link-framework.rs").run();
+    rustc().input("dep-link-weak-framework.rs").run();
+
+    rustc().input("empty.rs").run();
+    cmd("otool").arg("-L").arg("no-link").run().assert_stdout_not_contains("CoreFoundation");
+
+    rustc().input("link-framework.rs").run();
+    let out = cmd("otool").arg("-L").arg("link-framework").run();
+    out.assert_stdout_contains("CoreFoundation");
+    out.assert_stdout_not_contains("weak");
+
+    rustc().input("link-weak-framework.rs").run();
+    let out = cmd("otool").arg("-L").arg("link-weak-framework").run();
+    out.assert_stdout_contains("CoreFoundation");
+    out.assert_stdout_contains("weak");
+
+    // When linking the framework both normally, and weakly, the weak linking takes preference.
+    rustc().input("link-both.rs").run();
+    let out = cmd("otool").arg("-L").arg("link-both").run();
+    out.assert_stdout_contains("CoreFoundation");
+    out.assert_stdout_contains("weak");
+}