From 09f64367454b797a2b340d8390ff16d85d3a983a Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Mon, 25 Oct 2010 18:32:38 +0000
Subject: [PATCH] Use realpath() in make_canonical to properly resolve symlinks

---
 dtool/src/dtoolutil/filename.cxx | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dtool/src/dtoolutil/filename.cxx b/dtool/src/dtoolutil/filename.cxx
index dbfb3c82a8..315489e35c 100644
--- a/dtool/src/dtoolutil/filename.cxx
+++ b/dtool/src/dtoolutil/filename.cxx
@@ -1064,6 +1064,14 @@ make_canonical() {
     // The root directory is a special case.
     return true;
   }
+  
+#ifndef WIN32
+  // Use realpath in order to resolve symlinks properly
+  char newpath [PATH_MAX + 1];
+  if (realpath(c_str(), newpath) != NULL) {
+    (*this) = newpath;
+  }
+#endif
 
   Filename cwd = ExecutionEnvironment::get_cwd();
   if (!r_make_canonical(cwd)) {