Rollup merge of #121680 - GuillaumeGomez:foreign-macro-jump-to-def, r=notriddle

Fix link generation for foreign macro in jump to definition feature

The crate name is already added to the link so it shouldn't be added a second time for local foreign macros.

r? ``@notriddle``

2 files changed, 21 insertions, 0 deletions

diff --git a/tests/rustdoc/auxiliary/jump-to-def-macro.rs b/tests/rustdoc/auxiliary/jump-to-def-macro.rs
new file mode 100644
index 00000000000..f442b9461e8
--- /dev/null
+++ b/tests/rustdoc/auxiliary/jump-to-def-macro.rs
@@ -0,0 +1,6 @@
+#[macro_export]
+macro_rules! symbols {
+    ($name:ident = $value:expr) => {
+        pub const $name: isize = $value;
+    }
+}
diff --git a/tests/rustdoc/jump-to-def-macro.rs b/tests/rustdoc/jump-to-def-macro.rs
new file mode 100644
index 00000000000..e8e97a442dd
--- /dev/null
+++ b/tests/rustdoc/jump-to-def-macro.rs
@@ -0,0 +1,15 @@
+//@ aux-build:jump-to-def-macro.rs
+//@ build-aux-docs
+//@ compile-flags: -Zunstable-options --generate-link-to-definition
+
+#![crate_name = "foo"]
+
+// @has 'src/foo/jump-to-def-macro.rs.html'
+
+#[macro_use]
+extern crate jump_to_def_macro;
+
+// @has - '//a[@href="../../jump_to_def_macro/macro.symbols.html"]' 'symbols!'
+symbols! {
+    A = 12
+}