Auto merge of #37973 - vadimcn:dllimport, r=alexcrichton

Implement RFC 1717

Implement the first two points from #37403.

r? @alexcrichton

3 files changed, 38 insertions, 6 deletions

diff --git a/src/test/compile-fail/feature-gate-linked-from.rs b/src/test/compile-fail/rfc1717/missing-link-attr.rs
index 8705684111e..810efdedfd6 100644
--- a/src/test/compile-fail/feature-gate-linked-from.rs
+++ b/src/test/compile-fail/rfc1717/missing-link-attr.rs
@@ -1,4 +1,4 @@
-// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,9 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#[linked_from = "foo"] //~ ERROR experimental feature
-extern {
-    fn foo();
-}
+// compile-flags: -l foo:bar
+// error-pattern: renaming of the library `foo` was specified
 
-fn main() {}
+#![crate_type = "lib"]
diff --git a/src/test/compile-fail/rfc1717/multiple-renames.rs b/src/test/compile-fail/rfc1717/multiple-renames.rs
new file mode 100644
index 00000000000..e75c1a14b24
--- /dev/null
+++ b/src/test/compile-fail/rfc1717/multiple-renames.rs
@@ -0,0 +1,17 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -l foo:bar -l foo:baz
+// error-pattern: multiple renamings were specified for library
+
+#![crate_type = "lib"]
+
+#[link(name = "foo")]
+extern "C" {}
diff --git a/src/test/compile-fail/rfc1717/rename-to-empty.rs b/src/test/compile-fail/rfc1717/rename-to-empty.rs
new file mode 100644
index 00000000000..ab8c238bc27
--- /dev/null
+++ b/src/test/compile-fail/rfc1717/rename-to-empty.rs
@@ -0,0 +1,17 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -l foo:
+// error-pattern: an empty renaming target was specified for library
+
+#![crate_type = "lib"]
+
+#[link(name = "foo")]
+extern "C" {}