From ce030e8bf6a8f278eb3a571aef0f0df18875daa7 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 23 Aug 2016 08:43:06 +0200
Subject: Don't complete empty abs_dir_path

The empty value is used as a special indicator
---
 build2/variable.cxx | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'build2/variable.cxx')

diff --git a/build2/variable.cxx b/build2/variable.cxx
index 54b61b7..7a13618 100644
--- a/build2/variable.cxx
+++ b/build2/variable.cxx
@@ -598,10 +598,13 @@ namespace build2
   {
     dir_path d (value_traits<dir_path>::convert (move (n), r));
 
-    if (d.relative ())
-      d.complete ();
+    if (!d.empty ())
+    {
+      if (d.relative ())
+        d.complete ();
 
-    d.normalize (true); // Actualize.
+      d.normalize (true); // Actualize.
+    }
 
     return abs_dir_path (move (d));
   }
-- 
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