rewrite dylib-chain to rmake

Author: Oneirical

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -23,7 +23,6 @@ run-make/dep-info-spaces/Makefile
 run-make/dep-info/Makefile
 run-make/dump-ice-to-disk/Makefile
 run-make/dump-mono-stats/Makefile
-run-make/dylib-chain/Makefile
 run-make/emit-path-unhashed/Makefile
 run-make/emit-shared-files/Makefile
 run-make/emit-to-stdout/Makefile

tests/run-make/dylib-chain/Makefile

@@ -0,0 +1,22 @@
+// In this test, m4 depends on m3, which depends on m2, which depends on m1.
+// Even though dependencies are chained like this and there is no direct mention
+// of m1 or m2 in m4.rs, compilation and execution should still succeed. Naturally,
+// removing those dependencies should cause execution to fail.
+// See https://github.com/rust-lang/rust/issues/10434
+
+//@ ignore-cross-compile
+// Reason: the compiled binary is executed
+
+use run_make_support::{dynamic_lib_name, fs_wrapper, run, run_fail, rustc};
+
+fn main() {
+    rustc().input("m1.rs").arg("-Cprefer-dynamic").run();
+    rustc().input("m2.rs").arg("-Cprefer-dynamic").run();
+    rustc().input("m3.rs").arg("-Cprefer-dynamic").run();
+    rustc().input("m4.rs").run();
+    run("m4");
+    fs_wrapper::remove_file(dynamic_lib_name("m1"));
+    fs_wrapper::remove_file(dynamic_lib_name("m2"));
+    fs_wrapper::remove_file(dynamic_lib_name("m3"));
+    run_fail("m4");
+}