From a8646be1a8e2025e0bfd18dfcebf968cfcb4645e Mon Sep 17 00:00:00 2001
From: "Felix S. Klock II" <pnkfelix@pnkfx.org>
Date: Fri, 25 Apr 2014 18:33:07 +0200
Subject: Output debug info on how `#[phase] extern crate foo;` gets resolved.

---
 src/libsyntax/ext/expand.rs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/libsyntax')

diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs
index 1898e8bf000..e3b1037ccc0 100644
--- a/src/libsyntax/ext/expand.rs
+++ b/src/libsyntax/ext/expand.rs
@@ -524,6 +524,9 @@ fn load_extern_macros(krate: &ast::ViewItem, fld: &mut MacroExpander) {
         None => return
     };
 
+    debug!("load_extern_macros: mapped crate {} to path {} and registrar {:s}",
+           crate_name, path.display(), registrar);
+
     let lib = match DynamicLibrary::open(Some(&path)) {
         Ok(lib) => lib,
         // this is fatal: there are almost certainly macros we need
-- 
cgit 1.4.1-3-g733a5